HITACHI Pro-H Manual

HITACHI Pro-H Manual

Below you will find brief information for Pro-H. Pro-H is a standard programming system for IEC designed PLCs and traditional PLCs. It is based on the standard IEC 61131-3 and includes the full range of IEC features. Pro-H offers powerful features for the different developing phases of a PLC application: Edit, Compile, Debug, Print.

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Pro-H
Manual
Contents
INTRODUCTION ........................................................................................................... 1-1
Pro-H - a highly efficient, powerful and complete tool ................................................1-1
What kind of documentation do you get?...................................................................1-2
Symbols and textual conventions ...............................................................................1-3
PRO-H AND IEC 61131-3 .......................................................................................... 2-1
What is IEC 61131-3?................................................................................................2-1
Configuration elements ..............................................................................................2-2
Configurations .......................................................................................................2-2
Resources .............................................................................................................2-2
Tasks ....................................................................................................................2-2
Configurations elements........................................................................................2-3
POUs, programs, function blocks and functions.........................................................2-4
Program organization units - POUs .......................................................................2-4
POUs ....................................................................................................................2-6
Instantiation...........................................................................................................2-6
Declaration and instruction part of a POU .............................................................2-7
Variables and data types............................................................................................2-8
Projects....................................................................................................................2-10
Libraries ...................................................................................................................2-10
Programming languages and SFC ...........................................................................2-11
Manual
Contents
i
GETTING STARTED ..................................................................................................... 3-1
System requirements .................................................................................................3-1
Hardware requirements .........................................................................................3-1
Software requirements ..........................................................................................3-1
Installing the program ................................................................................................3-2
Calling the program....................................................................................................3-2
Using mouse and keyboard .......................................................................................3-3
User interface ............................................................................................................3-4
Menu .....................................................................................................................3-5
Toolbars ................................................................................................................3-7
Defining keyboard shortcuts with the Shortcut Manager........................................3-9
Main screen and workspace ................................................................................3-13
Message window .................................................................................................3-14
Cross reference window ......................................................................................3-15
Status bar............................................................................................................3-19
Using help................................................................................................................3-20
Editors .....................................................................................................................3-21
The project manager - a powerful tool for program organization .........................3-21
The graphic editor - easy programming in SFC, FBD and LD..............................3-22
The text editors - easy programming in IL and ST...............................................3-23
The pagelayout editor - creating pagelayouts for printing ....................................3-23
The Edit Wizard .......................................................................................................3-24
Overview window for graphical worksheets..............................................................3-27
Saving changes while editing ...................................................................................3-28
Exiting worksheets ...................................................................................................3-28
Exiting the program..................................................................................................3-29
EDITING THE PROJECT STRUCTURE .............................................................................. 4-1
Creating a new project ...............................................................................................4-1
Changing the properties of existing POUs .................................................................4-3
Inserting new POUs ...................................................................................................4-5
Inserting worksheets ..................................................................................................4-6
Announcing libraries ..................................................................................................4-8
Deleting worksheets, POUs or libraries......................................................................4-9
Saving the existing project and zipping the project files .............................................4-9
Manual
Contents
viii
LITERALS, DATA TYPES AND VARIABLES ....................................................................... 5-1
Literals .......................................................................................................................5-1
Numeric literals......................................................................................................5-1
Character string literals .........................................................................................5-2
Duration literals .....................................................................................................5-2
Introduction to the IEC data types ..............................................................................5-2
Elementary data types ...............................................................................................5-3
Generic data types.....................................................................................................5-4
User defined data types .............................................................................................5-4
Array data types.........................................................................................................5-5
Declaring arrays ....................................................................................................5-5
Programming example ..........................................................................................5-6
Multi-dimensional arrays........................................................................................5-7
Initializing arrays....................................................................................................5-7
Structured data types.................................................................................................5-8
Programming example ..........................................................................................5-8
Arrays of structures ...............................................................................................5-8
Structures with arrays............................................................................................5-9
Initializing structures..............................................................................................5-9
String data types ......................................................................................................5-10
Programming example ........................................................................................5-10
Calling the text editor with the data type worksheet .................................................5-10
Editing type declarations using the Edit Wizard .......................................................5-11
Symbolic, located variables and directly represented variables................................5-13
Global and local variables ........................................................................................5-14
Retentive variables...................................................................................................5-14
Initializing variables ..................................................................................................5-15
Variable declaration keywords .................................................................................5-15
Declaring variables ..................................................................................................5-18
Instantiation .............................................................................................................5-20
Manual
Contents
ix
EDITING IN ST............................................................................................................ 6-1
Calling the text editor with a ST worksheet ................................................................6-1
Introduction to ST ......................................................................................................6-2
Inserting and editing assignment statements .............................................................6-3
Inserting and editing further statements .....................................................................6-4
Inserting statements using the Edit Wizard ................................................................6-5
Inserting variables......................................................................................................6-7
Calling functions or function blocks using the Edit Wizard .......................................6-10
EDITING IN IL ............................................................................................................. 7-1
Calling the text editor with an IL worksheet ................................................................7-1
Instructions, operators, modifiers and operands ........................................................7-2
Inserting instructions using the Edit Wizard ...............................................................7-4
Inserting variables......................................................................................................7-6
Using jumps and labels ..............................................................................................7-9
Calling functions or function blocks using the Edit Wizard .......................................7-10
EDITING IN FBD ......................................................................................................... 8-1
Calling the graphic editor with a FBD worksheet ........................................................8-1
Introduction to FBD ....................................................................................................8-2
Inserting functions and function blocks using the Edit Wizard....................................8-3
Changing the properties of functions and function blocks ..........................................8-5
Replacing functions and function blocks ....................................................................8-6
Inserting variables......................................................................................................8-6
Connecting objects ....................................................................................................8-9
Negation of inputs and outputs ................................................................................8-13
Duplicating inputs of functions .................................................................................8-14
EDITING IN LD............................................................................................................ 9-1
Calling the graphic editor with a LD worksheet...........................................................9-1
LD networks, contacts, coils and power rails..............................................................9-2
Inserting contacts and coils........................................................................................9-4
Inserting serial contacts and coils ..............................................................................9-5
Inserting parallel contacts or coils ..............................................................................9-6
Using the LD branch edit mode..................................................................................9-7
Changing the properties of contacts and coils............................................................9-8
Inserting variables....................................................................................................9-11
Calling functions or function blocks using the Edit Wizard .......................................9-11
Manual
Contents
x
EDITING IN SFC ....................................................................................................... 10-1
Calling the graphic editor with a SFC worksheet ......................................................10-1
Introduction to SFC ..................................................................................................10-2
Inserting a first SFC network....................................................................................10-3
Inserting more steps and transitions ........................................................................10-4
Changing an initial step into a normal step or vice versa..........................................10-6
Inserting alternative branches ..................................................................................10-7
Inserting simultaneous branches..............................................................................10-9
Using the SFC branch edit mode ...........................................................................10-11
Inserting variables for actions ................................................................................10-12
Inserting variables for transitions ...........................................................................10-14
Calling functions.....................................................................................................10-18
Action and transition details ...................................................................................10-18
COMPILING, DOWNLOADING AND DEBUGGING ............................................................. 11-1
Inserting configurations, resources and tasks ..........................................................11-1
Associating programs to tasks .................................................................................11-4
Compiling a project ..................................................................................................11-5
Compiling a project using 'Make'..............................................................................11-6
Patching POUs ........................................................................................................11-8
Downloading the project.........................................................................................11-10
Calling worksheets in online mode.........................................................................11-12
Switching between online and offline mode ...........................................................11-15
Switching to address status and powerflow............................................................11-16
Forcing and overwriting variables...........................................................................11-17
Setting and resetting breakpoints...........................................................................11-19
Debugging with set breakpoints .............................................................................11-20
Using the watch window.........................................................................................11-22
Debugging user defined data types using the watch window .................................11-24
Manual
Contents
xi
PRINTING YOUR PROJECT WITH A CUSTOMIZED PAGELAYOUT ....................................... 12-1
Printing the project ...................................................................................................12-1
Controlling the print process using the dialog 'Print Project' ................................12-1
Defining a pagelayout as default pagelayout .......................................................12-3
Using the pagelayout editor .....................................................................................12-5
Creating a new pagelayout ..................................................................................12-5
Defining the source area .....................................................................................12-6
Inserting elements in your pagelayout .................................................................12-8
Editing environment items ...................................................................................12-9
Using preview ........................................................................................................12-10
EDITING SPECIFIC INLINE CODE ..................................................................................A1-1
General information ................................................................................................ A1-1
Which information do you get in this appendix? ...................................................... A1-2
Editing specific inline code in IL .............................................................................. A1-3
Calling the text editor with an IL worksheet ........................................................ A1-3
Specific code blocks........................................................................................... A1-3
Inserting specific code blocks using the Edit Wizard .......................................... A1-4
Inserting and declaring variables of specific code statements ............................ A1-4
Editing specific inline code in LD............................................................................. A1-6
Calling the graphic editor with a LD worksheet ................................................... A1-6
Arithmetic box with specific inline code............................................................... A1-7
Inserting an arithmetic box connected to an existing LD network ....................... A1-8
Inserting an arithmetic box as a single object ................................................... A1-10
Connecting an arithmetic box to a LD network ................................................. A1-11
Online monitoring.................................................................................................. A1-14
Compiling and downloading the project ............................................................ A1-14
Calling worksheet in online mode
and displaying online values in IL and LD work sheet....................................... A1-14
COMPILING, DOWNLOADING, DEBUGGING AND UPLOADING...........................................A2-1
Inserting configurations, resources and tasks ......................................................... A2-1
Associating programs to tasks ................................................................................ A2-9
Compiling a project ............................................................................................... A2-10
Compiling a project using 'Make'........................................................................... A2-11
Patching POUs ..................................................................................................... A2-13
Downloading the project........................................................................................ A2-15
Calling worksheets in online mode........................................................................ A2-17
Switching between online and offline mode .......................................................... A2-20
Manual
Contents
xii
Overwriting variables............................................................................................. A2-21
Setting and resetting breakpoints.......................................................................... A2-22
Debugging with set breakpoints ............................................................................ A2-22
Using the watch window........................................................................................ A2-22
Uploading the project ............................................................................................ A2-25
DIRECTLY REPRESENTED VARIABLES SUPPORTED BY HIDIC PLCS .................................A3-1
IEC 61131-3 COMPLIANCE LIST FOR PRO-H 1.0 KERNEL AND PLC-SIMULATION BASED ON
PROCONOS 3.0 AND HIDIC PLC-ADAPTATION ...............................................................A4-1
LIST OF FIGURES
INDEX
Manual
Contents
xiii
Introduction
This chapter provides information
about...
Manual
o
Pro-H
o
the documentation for Pro-H
o
conventions used in this manual
Introduction
Introduction
Pro-H - a highly efficient, powerful and complete tool
Pro-H is a standard programming system for IEC designed PLCs and
traditional PLCs. It is based on the standard IEC 61131-3 and includes the
full range of IEC features.
Pro-H offers powerful features for the different developing phases of a PLC
application:
∗ Edit
∗ Compile
∗ Debug
∗ Print
The Pro-H system is based on a modern 32 bit windows technology,
providing comfortable handling using zooming, scrolling, customizable
toolbars, drag & drop operations, a shortcut manager and dockable
windows.
Pro-H allows especially handling of several configurations and resources
within one project, including libraries and disposes of a powerful debug
system. Projects are displayed and can be edited using a comfortable
project tree editor in order to make the complexity of the IEC 61131-3
structure as simple and transparent as possible. Owing to the project tree
editor easy inserting and editing of POUs, Data Types, Libraries and
configuration elements is possible.
Pro-H consists of a PLC independent kernel for programming in the various
IEC programming languages, such as the textual languages ST and IL as
well as the graphical languages FBD, LD and SFC. Each editor provides an
Edit Wizard for fast and easy inserting pre-edited keywords, statements,
operators, functions and function blocks. The Edit Wizard can also be used
to declare variables and data types.
The independent kernel is completed with specific parts adapted to the
different PLCs.
Manual
Introduction
1-1
The new easy Online handling and the 32 bit simulation offers fast
powerflow debug functionality and a real time multitasking test
environment.
A comfortable tool for project documentation is implemented for printing the
project documentation alternatively in a time-saving optimized way (using
less paper) or with a stylish customized page layout.
What kind of documentation do you get?
The documentation is divided into several parts. For an understanding of all
parts we are assuming knowledge about using MS-Windows.
The program manual provides all background information for a better
understanding of the concepts of the PLC programming system and of the
operations to be done. All steps from starting the program, editing
worksheets up to exiting are described with several examples and figures.
The manual should be used by users wishing to get a complete overview
about how to realize a PLC program.
The context-sensitive Help which can be called by pressing F1 provides
detailed and reference information for all program parts. The contextsensitive Help consists of two or more parts. A general part describes the
general, non-specific parts. The specific part describes all objects, dialogs
and operations which differ from PLC to PLC. It should be used by
experienced users having a concrete problem and searching for detailed
information. Context-sensitive Help is also available for functions and
function blocks, which can be inserted using the Edit Wizard.
&
Manual
Please refer also to your hardware documentation for PLC specific
information.
Introduction
1-2
Symbols and textual conventions
The following symbols are used in this manual:
*
is used for enumeration.
•
is used for an operation which has to be done.
ú
is used for an operation which is optional.
8
is used for a sequence of operations to be done with the mouse.
In the procedures described in this manual the instructions 'click'
and 'double click' relate to the left mouse button. If the right mouse
button is meant (e.g. to open an object context menu) this is
explicitly mentioned.
7
is used for a sequence of operations to be done with the
keyboard.
Notes are used to provide important information.
&
The book symbol is used to introduce references to other
documents or chapters of this manual.
The following textual conventions have been set up for this manual:
Manual
'
commas are used for names of icons, menu items or
proper names of objects e.g. menu item 'Cut'; function
block 'Level'.
<ALT>
brackets are used for the name of keys on your
keyboard and for words you have to enter.
<ALT> + <F4>
is used if you have to press two keys at the same time.
editor name
Italic letters are used as place holders for proper names.
Introduction
1-3
Pro-H and IEC
61131-3
This chapter provides information
about...
o
purpose and contents of IEC 61131-3
o
configuration elements
o
POUs, programs, function blocks and
functions
Manual
o
variables and data types
o
projects
o
libraries
o
programming languages and SFC
Pro-H and IEC 61131-3
Pro-H and IEC 61131-3
What is IEC 61131-3?
The standard IEC 61131 has been established to standardize the multiple
languages, sets of instructions and different concepts existing in the field of
automation systems. The great variety of PLC concepts has led to an
incompatibility between the different PLC platforms and manufacturers.
The result was a great effort to be made for training, hard- and software
investments.
IEC 61131 standardizes the programming languages, the interfaces
between PLC and programming system, the sets of instructions and the
handling and structuring of projects. The advantage of using IEC 61131
conform PLCs and programming systems is a portability of all platforms
and the use of same concepts reducing costs for automation systems.
The standard consists of several parts and technical reports. The third part
of the standard is dedicated to programming languages.
Obviously this standard has a great influence on the concept, structure,
features and the handling of a programming system such as Pro-H and the
way to program the system.
The main changes that have come with IEC 61131-3 are:
∗ Declaration of variables is similar to the variable declaration in higher
programming languages.
∗ Declaration of data types is possible.
∗ Global and local data can be differentiated.
∗ Programming means symbolic programming.
For a better understanding of Pro-H and an easier programming some IEC
basics and their realization in Pro-H are described in the following sections.
Manual
Pro-H and IEC 61131-3
2-1
Configuration elements
An IEC 61131-3 conform PLC programming system reflects the hardware
structure with the configuration elements.
These configuration elements are basically:
∗ Configurations
∗ Resources
∗ Tasks
Configurations
A configuration can be compared to a programmable controller system,
e.g. a rack. In a configuration one or several resources can be defined.
Resources
A resource can be compared to a CPU which can be inserted in the rack.
In a resource global variables can be declared, which are only valid within
this resource. In a resource one or several tasks can be executed.
Tasks
Tasks determine the time scheduling of the programs associated with
them. This means that programs have to be associated to tasks. The
settings of the task determine the time scheduling.
IEC 61131-3 describes different time scheduling which lead to three
different task types:
∗ Cyclic tasks are activated in a certain time interval and the program is
executed periodically.
∗ Error tasks will be activated if an error occurs in a different task.
∗ Event or interrupt tasks are activated if a certain event has happened.
Each task has a certain priority. In so called preemptive scheduling
systems, an active task with low priority is interrupted immediately, when a
task with higher priority becomes active due to a certain event. In systems
with non-preemptive scheduling, task interruptions by tasks with higher
priority are not possible.
The supported task types depend on the used PLC.
Manual
Pro-H and IEC 61131-3
2-2
Configurations elements
Configuration elements are represented graphically in the project tree.
They are grouped together in the subtree 'Physical Hardware'.
Configuration
Resource
Directory for tasks
Task 'DEFAULT'
Program instance of program CONTAIN
Worksheet for global variables
Worksheet for I/O configuration
Tab 'Hardware' activated
Figure 2-1: An example of configuration elements
The programming system reflects the structure of configuration elements in
the subtree 'Physical Hardware' which may differ from PLC to PLC. In
figure 2-1 the subtree 'Physical Hardware' with the configuration elements
for ProConOS is shown.
In general one or several configurations can be used. In every
configuration one or several resources can be declared. Several tasks with
their associated programs can be used within one resource.
Manual
Pro-H and IEC 61131-3
2-3
POUs, programs, function blocks and functions
Program organization units - POUs
Program organization units or POUs are the language elements of a PLC
program. They are small, independent software units containing the
program code. The name of a POU should be unique within the project.
In IEC 61131-3 three types of POUs are distinguished referring to their
different use:
∗ Functions
∗ Function blocks
∗ Programs
Functions
Functions are POUs with multiple input parameters and exactly one output
parameter. Calling a function with the same values returns always the
same result. Return values can be single data types. Within a function it is
possible to call another function but not a function block or a program.
Recursive calls are not allowed.
IEC 61131-3 lists different types of standard functions:
∗ Type conversion functions, such as INT_TO_REAL
∗ Numerical functions, such as ABS and LOG
∗ Standard arithmetic functions, such as ADD and MUL
∗ Bit-string functions, such as AND and SHL
∗ Selection and comparison functions, such as SEL and GE
∗ Character string functions, such as RIGHT and INSERT
∗ Functions of time data types, such as SUB with the data type TIME
Function blocks
Function blocks are POUs with multiple input/output parameters and
internal memory. The value returned by a function block depends on the
value of its internal memory. Within a function block it is possible to call
another function block or functions. Recursive calls are not allowed.
IEC 61131-3 lists different types of standard function blocks:
∗ Bistable elements, such as SR and RS
∗ Edge detection function blocks, such as R_TRIG and F_TRIG
∗ Counters, such as CTU and CTD
∗ Timer function blocks, such as TON and TOF
Manual
Pro-H and IEC 61131-3
2-4
Programs
Programs are POUs which contain a logical combination of functions and
function blocks according to the needs of the controller process. The
behavior and the use of programs are similar to function blocks. Programs
can have an internal memory. Programs must be associated to tasks.
Within a program it is possible to call functions and function blocks.
Recursive calls are not allowed.
Figure 2-2: Diagram of a default task with two programs
Manual
Pro-H and IEC 61131-3
2-5
POUs
Programs, function blocks and functions can be edited in the project tree.
You can either display the complete project tree or only the subtree 'Data
Types' and 'Logical POUs' by clicking on the tab 'POUs' as shown in the
following figure.
Directory node for POUs
Program 'Contain'
Function block 'Level'
Function 'Tempera'
Tab 'POUs' activated
Figure 2-3: Subtree 'Logical POUs'
Instantiation
For reusing function block definitions IEC 61131-3 provides the possibility
of instantiation. This means that the function block code body is defined
once and that its internal memory is allocated to different instances,
different memory regions. Each instance has an associated identifier
(called instance name) and contains the input and output parameter and
the internal memory of the function block. A function block can be
instantiated in another function block or in a program. The instance name
of a function block has to be declared in the VAR declaration of the
program or function block where it is going to be used. Programs can be
instantiated within resources.
Instances are also displayed in the project tree window. The related
subtree is made visible by clicking with the left mouse button on the tab
'Instances' as shown in the following figure.
Manual
Pro-H and IEC 61131-3
2-6
Directory node for the resource
Global variables of the resource
Functions
Directory node for the default task
Program instance of program CONTAIN
Tab 'Instances' activated
Figure 2-4: Project tree with the instances within the resource 'R_IPC'
Declaration and instruction part of a POU
Every POU consists of two different parts: The declaration part and the
code body part.
In the declaration part all necessary variables are declared.
The instruction or code body part of a POU is the part in which the
instructions are programmed in the desired programming language.
A POU consists of three types of worksheets. These three worksheets are
represented graphically by icons:
Directory node for POUs
Directory node for FB 'Level'
Description worksheet (optional)
Variables worksheet
Code body worksheet in FBD
Figure 2-5: Worksheets of a function block in FBD
In the description worksheet annotations can be added for documentation
purposes. In the variable worksheet all variables are going to be edited.
The code body worksheet contains the instructions.
In the case of a SFC POU you have two more icons: the directory nodes
for the action and transition worksheets.
Manual
Pro-H and IEC 61131-3
2-7
Directory node for SFC program
Description worksheet (optional)
Variable worksheet
Code body worksheet in SFC
Directory for transition worksheets
Directory for action worksheets
Figure 2-6: Icons of a SFC POU
Variables and data types
In IEC 61131-3 programming systems, variables are used instead of direct
addressing of memory regions in former systems. Variables are assigned
automatically to a memory region while compiling. IEC 61131-3
distinguishes different types of variable declarations e.g. VAR or
VAR_INPUT. For PLC inputs and outputs direct addressing is possible
using the keyword AT.
Variables with their properties are declared in the variable worksheet of the
POU.
Data types determine what kind of value the variable can have. Data types
define the initial value, range of possible values and the number of bits.
IEC 61131-3 distinguishes three kinds of data types:
∗ Elementary data types
∗ Generic data types
∗ User defined data types
Elementary data types are data types whose range of possible values and
number of bits is defined in IEC 61131-3. Elementary data types are e.g.
BYTE, WORD or BOOL.
Generic data types are data types which include groups of elementary data
types. They are called e.g. ANY_BIT or ANY_INT. ANY_INT includes e.g.
the elementary data types INT, SINT, DINT, UINT, USINT and UDINT.
Generic data types are necessary to define what kind of elementary data
types can be connected to inputs or outputs of functions. If a function can
be connected with ANY_INT it means that variables of the data types INT,
SINT, DINT, UINT, USINT and UDINT can be connected.
User defined data types are data types which can be declared by the user.
They have to be defined with a TYPE ... END_TYPE declaration. User
defined data types can be structures or arrays.
Manual
Pro-H and IEC 61131-3
2-8
User defined data types are declared in the data type worksheet in the
subtree 'Data Types'. You can either display the complete project tree or
only the subtree 'Data Types' and 'Logical POUs' by clicking on the tab
'POUs' as shown in the following figure.
Directory node for data type worksheets
Data type worksheet 'type1'
Tab 'POUs' activated
Figure 2-7: Subtree 'Data Types'
&
Manual
Variables and user defined data types and their declarations are
described in the chapter 'Declaring variables and user defined data types'
of this manual.
Pro-H and IEC 61131-3
2-9
Projects
An IEC 61131-3 project contains all necessary elements of an automation
system. It consists of libraries, data types, POUs and the set of
configuration elements (such as resources, tasks and programs) which are
represented in the subtree 'Physical Hardware'. A project is represented in
the project tree.
Subtree 'Libraries'
Subtree 'Data Types'
Subtree 'Logical POUs'
Subtree 'Physical Hardware'
Figure 2-8: The project with its subtrees
Libraries
Libraries are projects which have been announced as libraries. You can
reuse the programs, function blocks, functions and the user defined data
types of the library in the project you are editing.
Firmware libraries are libraries containing POUs prepared by your PLC
manufacturer. The file extension for firmware libraries is *.fwl.
User libraries are other projects you have done before and whose POUs
you want to reuse. The file extension for user libraries is *.pwt.
Libraries have an own subtree in the project tree. You can either display
the complete project tree or only the subtree 'Libraries' by clicking on the
tab 'Libraries' as shown in the following figure.
Manual
Pro-H and IEC 61131-3
2-10
Directory node for libraries
Announced library 'example'
Tab 'Libraries' activated
Figure 2-9: Subtree 'Library'
The subtree 'Library' consists of two or more icons. The first icon is a
directory node. The icons within this directory node represent the
announced libraries. In figure 2-9 you can see the announced user library
'example'.
Programming languages and SFC
IEC 61131-3 defines the syntax, the representation and the available
language elements of 4 programming languages.
The programming languages can be differentiated into 2 textual languages
and 2 graphical languages:
∗ The textual languages are Structured Text (ST) and Instruction List
(IL).
∗ The graphical languages are Function Block Diagram (FBD) and
Ladder Diagram (LD).
For structuring the internal organization of programs and function blocks
SFC or Sequential Function Chart elements are defined in IEC 61131-3.
&
Manual
SFC and the 4 programming languages are described in the
corresponding chapters of this manual.
Pro-H and IEC 61131-3
2-11
Getting started
This chapter provides information
about...
o
system requirements
o
installing the program
o
calling the program
o
using mouse and keyboard
o
the user interface
o
using the help system
o
editors
o
the Edit Wizard
o
overview window for graphical
worksheets
Manual
o
saving changes while editing
o
exiting worksheets
o
exiting the program
Getting started
Getting started
System requirements
Hardware requirements
To run the PLC programming system, the following workstation
requirements must at least be fulfilled:
Device
Minimum
Recommended
IBM compatible PC with
Pentium processor
133 MHz
200 MHz
System RAM
32 MB
64 MB
Hard disk
60 MB free
memory space
CD ROM drive or
floppy disk drive
VGA Monitor
Color settings
Resolution
256 colors
800 x 600
RS232 interface
optional
Mouse
recommended
True color
1024 x 768
Software requirements
To run the PLC programming system, the following software requirements
must at least be fulfilled:
• Microsoft Windows 95, 98 or Microsoft Windows NT
• DCOM95 (Windows95 user only)
• The installation of Microsoft smartdrive cache is recommended
Manual
Getting started
3-1
Installing the program
Using the installation program you can perform all necessary steps which
are required to install the software. In order to start the installation program
you have to perform the following steps:
• Insert the CD ROM disk into your CD ROM drive.
• Open the Windows 'Start' menu and choose 'Run'. The 'Run' dialog
appears.
• Type d:\setup.exe (where d is the appropriate CD ROM drive
indicator) and press <↵>.
• The installation includes several dialogs where you have to do the
corresponding entries.
After a successful installation, you will find the program group in the
Windows program menu.
Pro-H requires DCOM95 and may notify you that DCOM95 does
not exist on your PC when starting up. This may happen if your
operating system is Windows95. In this case, put the Pro-H CDROM into your CD-ROM drive again, and just execute
‘DCOM95.exe’ on the CD-ROM.
Calling the program
To call the program open the Windows 'Start' menu, choose the menu
'Program' and select 'Pro-H'.
The program will be opened with the last project you have used. If you start
the program for the first time it will be opened without any project.
To open an existing project, you have to perform the steps, which are
described in the example of the following section 'Using mouse and
keyboard'.
Manual
Getting started
3-2
Using mouse and keyboard
The program supports full use of the mouse or the keyboard. For
beginners it may be easier to start working with the mouse because it does
not make necessary to learn the keyboard shortcuts. In rough industrial
environments the keyboard may be more appropriate.
This manual explains both: the use of mouse and keyboard. In the next
sections the general use of mouse and keyboard for the menu and toolbars
is described.
The following is an example, how the usage of mouse and keyboard is
described in this manual:
8
7
Opening an existing project using the mouse
•
Click on the icon 'Open Project / Unzip Project' in the
toolbar. The dialog 'Open project' appears.
•
In the list box 'File type' select the desired file type.
•
Browse to the corresponding project folder and locate
the desired files (.mwt file for project file or .zwt file
for zipped project files).
•
Double click on the desired file name. The
corresponding project is opened. If you choose a
zipped project, the unzipping process is started
automatically.
Opening an existing project using keyboard shortcuts
•
Press <CTRL> + <O>.
The dialog 'Open project' appears.
•
In the list box 'File type' select the desired file type.
•
Browse to the corresponding project folder by typing
the folder names into the field 'file name' and
pressing <↵>.
Locate the desired files (.mwt file for project file or
.zwt file for zipped project files).
•
Open the desired project by typing the corresponding
file name and pressing <↵>.
The usage of mouse and keyboard in the different editors is described in
the following chapters.
Manual
Getting started
3-3
User interface
The program user interface consists basically of six parts: Menu, toolbars,
main screen, status bar, message window and cross reference window.
Menu
Toolbars
Main screen with
project tree
window and
worksheet area
Status bar
Message window
with various tabs
Cross reference window
Figure 3-1: Program user interface with sample project 'example'
Manual
Getting started
3-4
Menu
The menu is located below the title bar. It contains several submenus.
The menu items of these submenus change according to the
program part or editor you are working with.
∗ The submenu 'File' can be used to handle, save and zip/unzip projects.
It also contains commands for printing, print setup and print preview.
∗ The submenu 'Edit' contains all commands which are necessary for
editing such as marking, choosing different working modes or cutting
and pasting. Additionally it provides functionality for searching and
replacing text strings used to edit textual worksheets (e. g. description
worksheets, variable worksheets or structured text worksheets).
∗ The submenu 'View' can be used to hide or show the different windows
of the user interface (project tree window, message window, cross
reference window, watch window, Edit Wizard) and the status bar.
∗ The submenu 'Project' can be used to insert new objects (such as data
type worksheets and announced libraries), POUs and configurations.
∗ The submenu 'Build' consists of different commands for starting the
compilation after editing.
∗ The submenu 'Objects' is available if you are using an editor. The menu
item 'Variable' can be used to insert a new variable into the variable list
of the current POU. When editing a graphical worksheet, the submenu
provides additional menu items to insert and edit graphical objects, such
as connectors, jumps, contacts, coils, etc. Depending on the graphical
language you are using, some items may be grayed (i.e. inactive).
∗ The submenu 'Layout' is available if you are using the graphic editor. It
contains several designing utilities. You can display e.g. page borders or
a grid for better organizing the content of your worksheets. Furthermore
you can zoom into and out of the worksheet, modify the worksheet size,
the autoscroll speed and the object size. This submenu also disposes of
some features for the online layout.
∗ The submenu 'Online' offers you commands for debugging a project,
calling the Resource Control and activating the powerflow. In addition
the command 'Online Layout' allows to set the appearance of graphical
worksheets in online mode.
∗ The submenu 'Extras' can be used to call the dialogs 'Shortcut Keys'
and 'Options' as well as other optional tools, such as the pagelayout
editor. The dialog 'Shortcut Keys' (also known as Shortcut Manager)
allows you to define your own keyboard shortcuts or customize the
default shortcuts. The dialog 'Options' provides the facility to customize
the menus, toolbars, text editors and text colors.
∗ The submenu 'Window' can be used to arrange the windows and
symbols on your screen and to close all open windows in one step.
∗ The submenu 'Help' contains all commands for calling help.
Manual
Getting started
3-5
The following procedures illustrate, how to call a menu item using the
mouse and the keyboard.
8
Calling the menu item 'New Project...' with the mouse
• Click on the submenu 'File'. The submenu is opened
and you can see the menu items.
• Select the menu item 'New Project...' with a left
mouse click. The dialog 'New Project' appears.
7
Calling the menu item 'New Project...' using the keyboard
• Press <ALT> + <F>.
The submenu is opened and you can see the menu items.
• Press <w> as it is the underlined character of the menu item 'New
Project...'. The dialog 'New Project' appears.
All submenus or menu items and dialog fields and boxes can be
called pressing the underlined character of the corresponding
word.
Using shortcuts is the easiest way of calling a menu item with the
keyboard. For that reason the above mentioned method how to
open a submenu and to choose an item is described only one time
in this manual. In the following procedures the usage of shortcuts is
described.
7
Calling the menu item 'New Project...' using the keyboard shortcut
• Press <CTRL> + <N>. This is the default shortcut for creating a new
project.
The dialog 'New Project' appears.
Default shortcuts are already associated to the most important
menu items. If not, you can open the dialog 'Shortcut Keys'
(Shortcut Manager) and assign the corresponding menu item to
your own shortcut.
Manual
Getting started
3-6
Toolbars
The toolbars are located below the menu bar. By default all available
toolbars are visible, providing two lines of different icons.
If you place the mouse cursor on any icon (without clicking it), a short
description text, the so called tooltip appears. These tooltips display the
name of the current icon. Additionally the status bar displays the function of
the desired icon. The following figure shows an example:
Tooltip, displayed while the
mouse cursor is placed on
an icon
Status bar, showing the
related function of the icon.
Figure 3-2: Sample tooltip (icon 'Save') and the corresponding description displayed in the
status bar
If the tooltips are not shown, open the dialog 'Options' by
selecting the menu item 'Options' in the submenu 'Extras'.
Activate the checkbox 'Show Tooltips' on the page 'Toolbars' and
press 'OK' to confirm the dialog.
The toolbars have been implemented for realizing quickly often used
operations with the mouse. In those cases one mouse click on a toolbar
icon leads to the same result as doing several steps without the toolbar.
You can adapt the toolbars corresponding to your needs. For this purpose
you have to call the dialog 'Options' by selecting the menu item 'Options' in
the submenu 'Extras'. In order to hide one certain toolbar, deselect the
corresponding checkbox on the page 'Toolbars'.
Two different toolbar parts can be distinguished: General toolbars and
specific toolbars.
∗ General toolbars contain icons which are available everywhere in the
program.
∗ Specific toolbars contain icons which can be used only in specific
editors. All icons are visible but the icons which cannot be used in a
specific editor are grayed. You can hide each toolbar by using the dialog
'Options' as mentioned above.
Manual
Getting started
3-7
You can detach every toolbar from the other toolbar by double
clicking on the gray toolbar background. The toolbar is then
displayed in a window, which can be resized and moved to any
position on your screen. To reinsert the toolbar window, just double
click on the blue toolbar window title bar.
Toolbar 'Compile/Debug' attached
with other toolbars
Double click on
toolbar
background
Toolbar window,
movable and
resizable
Double click on blue toolbar window
title bar
Figure 3-3: Example of a detached toolbar window
8
Using the toolbar for creating a new project
•
Manual
Click on the icon 'New Project'.
The dialog 'New Project' appears, to select a template
for the new project.
Getting started
3-8
Defining keyboard shortcuts with the Shortcut Manager
As already mentioned in the section 'Menu' in this chapter, you can select
certain menu items easier and faster by using keyboard shortcuts. A
keyboard shortcut performs the same operation as the menu item to which
it is assigned by simply pressing only one key or a key combination. In your
PLC programming system several keyboard shortcuts can be used. The
most important menu items (i. e. operations) are already associated to
shortcuts by default. Assigned shortcuts are shown beneath the
corresponding menu item in the submenus.
Using the Shortcut Manager, you can add new shortcuts for a specific
menu item or modify existing shortcuts. For this purpose call the Shortcut
Manager as follows.
Many keyboard shortcuts are defined by default. Keep in mind,
that this manual describes those default shortcuts. After
modifying the default setting, some descriptions may not match
your actual setting.
8
Calling the Shortcut Manager for adding/modifying shortcuts
• Click on the submenu 'Extras' to see the menu items.
• Select the menu item 'Shortcuts'. The dialog 'Shortcut Keys' appears.
Figure 3-4: The 'Shortcut Manager' for adding/modifying keyboard shortcuts
The dialog shown in figure 3-4 is divided into three areas: The selection list
'Select a macro' contains a list of operations, which can be assigned to a
shortcut. Most of these entries are available as menu items in the
submenus. The field 'Description' displays a short text, describing the
functionality of the selected macro (if available). If a shortcut is already
assigned to the selected macro, this shortcut is displayed in the field
'Assigned shortcuts'.
Manual
Getting started
3-9
8
Adding/modifying a keyboard shortcut
• Click on the desired operation/menu item in the list 'Select a macro'. The
entry is highlighted. If available a short description is shown in the field
'Description'.
If a shortcut is already assigned, it is shown in the field 'Assigned
shortcuts'.
• To modify a shortcut, you have to remove the current shortcut and
assign a new shortcut (refer to the steps below).
• To remove a certain shortcut, select it with a left mouse click and press
'Remove'.
• To add a new shortcut, perform the steps described in the following
procedure. In this example, it is assumed, that you want to assign an
additional shortcut to the menu item 'Stop Compile' in the submenu
'Build'.
• To reset all shortcuts to their default settings, click on the button 'Reset
All'. All shortcuts you have created will be overwritten.
8
Assigning the shortcut <ALT> + <F6> to the macro
'Build:Stop Compile'
For the following description it is assumed, that the dialog 'Shortcut Keys' is
already opened.
• Double click on the desired macro 'Build:Stop Compile' in the field
'Select a macro'. The dialog 'Assign Shortcut' appears.
Figure 3-5: Dialog 'Assign Shortcut' before pressing
the desired shortcut keys
• Press the desired shortcut keys (in our example <ALT> and <F6>).
They are shown in the text field. Below the text field the Shortcut
Manager shows, whether the desired keys are already assigned to
another macro.
Manual
Getting started
3-10
Figure 3-6: Dialog 'Assign Shortcut' after pressing the
desired shortcut keys
• Confirm the new shortcut by clicking on 'OK'.
If the desired keys are already assigned to another macro and
you confirm your current selection, the shortcut keys will be
reassigned without a warning message.
The dialog 'Assign Shortcuts' is closed and the new assigned shortcut is
shown in the dialog 'Shortcut Keys'.
The following list contains the default shortcuts in alphabetical order,
assigned by the software manufacturer:
Manual
This operation/menu item is assigned to ...
... this default shortcut(s)
Activate: Cross References
<ALT> + <4>
Activate: Edit Wizard
<ALT> + <3>
Activate: Output
<ALT> + <2>
Activate: Watch Window
<ALT> + <5>
Activate: Workspace
<ALT> + <1>
Build: Compile Worksheet
<SHIFT> + <F9>
Build: Go to next Error/Tag
<CTRL> + <F12>
Build: Make
<F9>
Build: Patch POU
<ALT> + <F9>
Build: Rebuild Project
<CTRL> + <F9>
Edit: Connect Objects
<CTRL> + <L>
Edit: Copy
<CTRL> + <C>
<CTRL> + <INS>
Edit: Cut
<SHIFT> + <DEL>
<CTRL> + <X>
Edit: Delete
<DEL>
Edit: Find
<CTRL> + <F>
Edit: Insert
<INS>
Edit: Insert LD Branch
<CTRL> + <T>
Edit: Insert SFC branch
<CTRL> + <B>
Edit: Mark All Objects
<CTRL> + <A>
Getting started
3-11
This operation/menu item is assigned to ...
... this default shortcut(s)
Edit: Mark Object
<CTRL> + <M>
Edit: Paste
<CTRL> + <V>
<SHIFT> + <INS>
Edit: Replace
<CTRL> + <H>
Edit: Undo
<CTRL> + <Z>
File: New Project
<CTRL> + <N>
File: Open Project / Unzip Project
<CTRL> + <O>
File: Print
<CTRL> + <P>
File: Save
<CTRL> + <S>
Help Contents
<SHIFT> + <F1>
Help, context sensitive
<F1>
Layout: Default Size
<CTRL> + <#>
Layout: Overview window
<ALT> + <6>
Layout: Previous View
<CTRL> + <<>
Layout: Zoom in
<CTRL> + <+>
Layout: Zoom out
<CTRL> + <->
Objects: Action block
<ALT> + <F8>
Objects: Contact below
<CTRL> + <F7>
Objects: Contact left
<ALT> + <F7>
Objects: Contact network
<F6>
Objects: Contact right
<F7>
Objects: Duplicate FP
<CTRL> + <F5>
Objects: Function/Function block
<ALT> + <F5>
Objects: Simultaneous / Alternative Branches
(divergence)
<CTRL> + <F8>
Objects: Step/Transition
<F8>
Objects: Toggle contact/coil properties
<SHIFT> + <F7>
Objects: Toggle FP negation
<SHIFT> + <F5>
Objects: Variable
<F5>
Online: Debug
<F10>
Online: Resource Control
<CTRL> + <F10>
View: Cross References Window
<ALT> + <F2>
View: Edit Wizard
<SHIFT> + <F2>
View: Message Window
<CTRL> + <F2>
View: Project Tree Window
<F2>
Figure 3-7: Default shortcuts in alphabetical order
Manual
Getting started
3-12
Main screen and workspace
The main screen (see figure 3-1) is divided into two parts: The project tree
window and the workspace. The workspace contains the opened
worksheets. You can open a worksheet by double clicking on the
corresponding worksheet icon in the project tree.
If several worksheets are opened only one worksheet is visible. A sheet tab
is assigned to every opened worksheet as shown in the following figure.
You can select (activate) a particular worksheet by clicking on the
corresponding tab or by pressing <CTRL> + <TAB>.
Figure 3-8: Worksheet tabs in the workspace
If the worksheet tabs are not visible, open the dialog 'Options' by
selecting the menu item 'Options' in the submenu 'Extras'. Click
on the tab 'General' and activate the checkbox 'Workbook style'.
Confirm your selection with 'OK'.
It is also possible to arrange several worksheet windows in a desired
combination. For this purpose choose the menu items 'Cascade' and 'Tile'
in the submenu 'Window'. This way you can easily prepare the workspace
for different working phases.
You can maximize the workspace, which means, that the project tree is not
displayed and the workspace is enlarged to the whole main screen width.
This could be useful for displaying large networks in graphical editors.
8
Displaying/Hiding the project tree window with the mouse
•
7
Displaying/Hiding the project tree window with the keyboard
•
Manual
Click on the icon 'Project Tree'.
Depending on the previous state, the project tree
window is now visible or hidden.
Press <F2>.
Depending on the previous state, the project tree
window is now visible or hidden.
Getting started
3-13
Message window
The message window is located below the main screen. It contains several
pages, which are activated by clicking on the corresponding tab.
Figure 3-9: Message window with its different page tabs
The message window allows to display different steps during compiling, the
compiler errors and warnings and some other information.
One of the main benefits of the message window is the possibility of direct
accessing the worksheets in which the compiler detected errors. For this
purpose you just have to double click on the corresponding error.
You can toggle between hidden and visible message window.
8
Displaying/hiding the message window with the mouse
•
7
Click on the icon 'Messages'.
Depending on the previous state, the message
window is now visible or hidden.
Displaying/hiding the message window with the keyboard
•
Press <CTRL> + <F2>.
Depending on the previous state, the message
window is now visible or hidden.
The message window is a dockable window. This means, that you can
detach the window from the desktop by double clicking on the gray window
border. It is then displayed as a usual window, i.e. you can change the size
and move the window to any position on the screen. To reattach it into the
desk, just double click into the blue window title bar. The handling is similar
as for the toolbars.
In order to enlarge the message window, it is possible to float the window
into the main window, i. e. the workspace. The result of this operation is,
that the message window is displayed in the workspace like a worksheet,
having a sheet tab at it's border.
Manual
Getting started
3-14
8
Floating the message window in the workspace
• Place the mouse cursor into the message window.
• Click with the right mouse button on the window background to open the
context menu.
• Select the menu item 'Float In Main Window'.
The message window is opened in the same way as a worksheet.
• To reverse this operation, open again the context menu and deselect
the menu item 'Float In Main Window'.
Cross reference window
The cross reference list contains all external variables, local variables and
function blocks, which are used within the current project. It is a helpful tool
for debugging and fault isolation.
Every POU contains its own local data. That means if you open a
particular worksheet, the local variables in the cross reference
list are updated.
To use the cross reference list in an existing or a new project, you have to
build the cross references in order to display the required information in the
cross reference window.
In addition the program allows to toggle between hidden and visible cross
reference window.
8
Building the cross reference list with the mouse
•
If the cross reference window is not visible, click on
the icon 'Cross References'.
The cross reference window is now visible.
•
Place the mouse cursor in the cross reference
window.
•
Click with the right mouse button on the window
background to open the context menu.
•
Select the menu item 'Build Cross References'.
The cross reference list is created automatically as
shown in the following figure.
It is also possible to call the menu item 'Build
Cross References' in the submenu 'Build' or in
the editor context menu.
Manual
Getting started
3-15
7
Displaying/hiding the cross reference window with the keyboard
• Press <ALT> + <F2>.
Depending on the previous state, the cross reference window is now
visible or hidden.
Figure 3-10: Cross reference window
For each entry the following information are available:
∗ 'POU/Worksheet': POU name in which the variable/FB is declared and
the particular worksheet name where it is implemented.
∗ 'Access': The access of the variable is 'Read' (Load) or 'Write' (Stored).
∗ 'Command': Command in which the variable is used (only applicable for
IL and LD code body worksheets).
∗ 'I/O Address': Physical PLC address.
∗ 'Type': The associated data type.
∗ 'Comment': User-defined comment.
∗ 'Line/Position(X/Y)': Line number in textual worksheets or element
position in graphical worksheets.
To open the corresponding worksheet in which a particular
variable is used, just double click on the required line in the cross
reference window. The worksheet is opened automatically and
the variable is marked. Furthermore a variable is marked in the
cross reference window, if you select the variable in an editor.
You can filter the cross reference list, to show only a particular subset of
variables or function blocks.
Manual
Getting started
3-16
8
Filtering the cross reference list
• Move the mouse cursor into the cross reference window.
• Click with the right mouse button on the window background to open the
context menu.
• Choose the menu item 'Filter...'.
The dialog 'Cross Reference Filter' appears.
Figure 3-11: Dialog 'Cross Reference Filter', used to filter the
displayed entries in the cross reference list
• Choose the desired filter settings by selecting one or several
checkboxes. The filtered elements will be shown in the cross reference
list and the column 'Variable' will display the current filter settings in the
column head. The checkboxes 'Local', 'External' and 'FBs' are activated
by default.
To filter the list for a specific variable or FB name, mark the checkbox
'Enable Filter' and type the name into the text field. Only elements
matching this name will be displayed.
• Using wildcards in the dialog 'Cross Reference Filter':
In the text field you can use the wildcard symbol '*'. A wild card serves
as a placeholder for any character and is used in conjunction with other
characters.
Example: Let us assume, that you want to filter the cross reference list
in a way, that it displays the variables var1, var2 up to var10. For this
purpose you can use the wildcard in the following way:
Figure 3-12: Using the wildcard symbol in the
dialog 'Cross Reference Filter''
It is possible to sort the list entries alphabetically. Each column can be
used as sort criterion. The entries can be sorted in an ascending and
descending order. To sort the list, perform the following steps:
Manual
Getting started
3-17
8
Sorting the cross reference list
• Click on the column name, which is intended to be the sort criterion.
It is marked by an arrow, which indicates the sort order:
Ascending
or
descending sort order.
If you have specified a filter string this button would appear as follows:
This figure corresponds to the described example where the
checkboxes 'Local', 'External' and 'FBs' were activated and the string
'var1' was used.
• Click once more on the same column name to reverse the sort order.
Like the output window the cross reference window is dockable. This
means, that you can detach the window from the desktop by double
clicking in the gray window border. It is then displayed as a usual window,
i.e. you can change the size and move the window to any position on the
screen. To reattach it into the desk, just double click into the blue window
title bar. The handling is similar as for the toolbars.
8
Floating the cross reference window in the workspace
• Place the mouse cursor into the cross reference window.
• Click with the right mouse button on the window background to open the
context menu.
• Select the menu item 'Float In Main Window'.
The cross reference window is opened in the same way as a worksheet.
• To reverse this operation, open again the context menu and deselect
the menu item 'Float In Main Window'.
Manual
Getting started
3-18
Status bar
The status bar displays different messages while you are working with the
program.
The left part of the status bar provides information about operations you
have done or displays system messages. If your mouse pointer is placed
on an icon or a menu item (without selecting it) the status bar displays a
short description concerning the icon or menu item under the cursor.
The fields on the right show the cursor position in the editor: When using a
graphical editor, x-y-coordinates are shown, in text editors the fields display
the current row and column. Beneath the cursor position the free hard disk
space is displayed. If there is not enough disk space available, this field
appears red.
The different states of the programming system are represented in the
status bar by colors. The following colors are used for the different states:
∗ gray: offline
∗ green: online
∗ red: timeout.
It is possible to hide the status bar by selecting the menu item 'Status Bar'
in the submenu 'View'.
Manual
Getting started
3-19
Using help
The context-sensitive help system provides topics for each of the program
parts. Help is separated into two or more parts: A general help containg
general help topics and one or more specific help files with PLC specific
topics.
Both, the general and the specific help are arranged in a hierarchical
structure using three types of topics:
∗ Main topics: These help topics describe the general handling of editors.
Main topics are called pressing F1 while an editor is opened.
∗ Object topics. These help topics give background information about an
object that has been used in an editor. Object topics are called by
marking the object in the worksheet and pressing <SHIFT> + <F1>.
∗ Dialog topics: These help topics explain the meaning and the usage of
the dialog fields. Dialog topics are called by clicking the button 'Help' in
the dialog.
All these topics can be called context-sensitive. But it is also possible to call
the help contents or help index for getting an overview and then choosing
the topics to read. For this purpose you have to select the menu item 'Help
Topics' in the submenu 'Help'.
In the Edit Wizard you can call specific help to each function and function
block, by performing the following steps: Click with the right mouse button
on the specific function or function block in the Edit Wizard selection area.
The context menu appears. Select the menu item 'Help on FU/FB'. The
related help topics will be displayed.
The help topics for IEC 61131-3 functions and function blocks can also be
called choosing the menu item 'Help on IEC firmware' in the submenu
'Help' of the menu 'Pro-H 1.x' in the Windows start menu.
8
Searching a topic in the help system
• Select the menu item 'Help topics' in the submenu '?'. The general help
contents appears displaying the contained topic titles with the
hierarchical structure.
• If you are searching for an entire topic, click on the tab 'Index' and enter
the desired topic title.
• If you are searching for a specific word within the help information, click
on the tab 'Search'. Follow the instructions on your screen to create a
list of all words that are contained in the help file. When the search list
has been created, just type the word you are looking for and then select
one of the offered topics.
• Further information to a specific topic can be called by clicking on the
hypertext jumps at the end of the topic non scrolling region. These
jumps to other related topics appear as green underlined phrases.
Manual
Getting started
3-20
Editors
The project manager - a powerful tool for program organization
The project manager is a comfortable and powerful tool for program
organization and project management. It includes the project tree editor
and the instance tree.
The project tree editor allows you to edit the structure of your project. You
can edit your project within four subtrees. In the subtree 'Library' libraries
can be announced. In the subtrees 'Data Types' and 'Logical POUs' new
POUs and worksheets can be added for editing data type, variable and
code body worksheets. In the subtree 'Physical Hardware' all configuration
elements can be inserted, global variables can be declared and programs
can be associated to tasks.
The instance tree displays the project structure in the PLC and is used to
open the worksheets in online mode.
It is possible to display the complete project tree or only particular subtrees.
For this purpose the project tree window provides several tabs at it's
bottom. They can be used to switch between the various views.
Project - shows the complete tree
POUs - shows subtrees 'Data Types' and 'Logical POUs'
Libraries - shows the subtree 'Libraries'
Hardware - shows the subtree 'Physical Hardware'
Instances - shows the instance tree
Figure 3-13: Project tree window with sheet tabs
Manual
Getting started
3-21
The graphic editor - easy programming in SFC, FBD and LD
The graphic editor is one of the editors which have been implemented for
programming graphical code body worksheets of the POUs. The system
supports three graphical programming languages: SFC, FBD and LD.
The following features facilitate editing in graphical languages:
∗ An Edit Wizard provides full edit functionality for inserting and
exchanging functions and function blocks
∗ All graphical editors provide simple keyboard operation for inserting and
scrolling (Cursor keys /CTRL Cursor keys for Object mode and
SHIFT/SHIFT CTR Cursor keys for Mouse cursor mode).
∗ Duplication of function inputs can be done directly via keyboard, toolbar
and menu.
∗ Negation of Inputs, Outputs, Contacts and Coils can be done directly via
keyboard, toolbar and menu.
∗ Easy auto routing for standard editing cases is possible.
∗ Items can be inserted directly on a line or to the inputs or outputs of
already existing items (only in FBD editor).
∗ Splitter and overview windows are available.
∗ Freestyle editing allows to arrange items smoothly wherever you want.
∗ Double click on user functions and function blocks opens the contents of
an user POU.
It is possible to mix the graphical programming languages. The system
checks all user entries to detect and avoid invalid connections (e.g.
connection between two outputs). While inserting new graphical elements
the layout of the already existing network is adapted automatically.
Manual
Getting started
3-22
The text editor - easy programming in IL and ST
The text editor is used for programming textual code body worksheets of
the POUs. The system supports two textual programming languages: IL
and ST.
The text editor is also used to edit data type worksheets, variable
worksheets and I/O configuration worksheets.
The handling of the text editor is similar to the handling of a normal ASCIIeditor. The following features facilitate editing in IL and ST:
∗ An Edit Wizard provides full edit functionality for inserting pre-edited
Data types, Operands, Keywords, functions and function blocks.
∗ Full drag and drop functionality is provided.
∗ Optional line numbers can be displayed.
∗ Syntax highlighting is possible.
∗ Multiple Undo/Redo.
∗ Multiple Zooms.
∗ Different views via splitter window are possible.
The pagelayout editor - creating pagelayouts for printing
The pagelayout editor provides an easy way to create pagelayouts for
printing the project documentation.
A pagelayout represents a template which is used to print the contents of a
code body worksheet. It defines an area in which the content of the
worksheet is going to be printed.
Manual
Getting started
3-23
The Edit Wizard
The Edit Wizard is a useful tool, which facilitates the insertion and
replacement of
∗ keywords and statements (in ST),
∗ operators (in IL),
∗ function and function blocks (all languages).
The Edit Wizard for the various languages and worksheets is shown in the
following figure.
In general, the Edit Wizard is used as follows: Locate the code body
position in your worksheet, where a new keyword, statement, function or
function block has to be inserted and place the text cursor or insertion mark
at this position. Then determine the desired keyword, statement, function
or function block in the Edit Wizard selection area and insert it into the
code body with a left mouse double click.
Especially in text editors the usage of the Edit Wizard provides the
following advantages:
∗ It prevents from entering syntactical faults, such as forgotten
semicolons, selection or iteration statements without end statement, etc.
This is done by inserting pre-edited statements, functions or function
blocks, i. e. the statement structure is already prepared with place
holders. The variables and values are inserted as comments, which the
user simply has to overwrite.
∗ It is not necessary, that the user knows the syntax of all different
statement types, such as functions or function blocks.
Selection area
Edit Wizard in ST,
displaying ST keywords.
Edit Wizard in FBD, LD
and SFC, displaying
functions and function
blocks.
Edit Wizard in IL,
displaying LD operators.
Figure 3-14: Edit Wizard for the different languages
Manual
Getting started
3-24
The Edit Wizard can also be used to insert variable definitions in the
various variable worksheets as well as data types in a data type worksheet.
Edit Wizard in a variable
worksheet (all languages),
displaying variable
declaration keywords.
Edit Wizard in a data
type worksheet (subtree
'Data Type').
Figure 3-15: Edit Wizard for variables and data type worksheets
The dockable Edit Wizard window is divided into two areas: The list box
'Group' and the selection area. Depending on the selected group the
selection area displays the elements which can be inserted into the code
body.
The list box 'Group' contains the available groups of code body elements
for the corresponding language. The selection area displays the available
elements contained in the selected group.
Depending on the editor, the following groups are provided in the list box:
∗ 'Keywords', represented by the key symbol:
(only in ST).
∗ 'Operators', represented by the key symbol:
(only in IL).
∗ '<all FUs and FBs>', where functions are represented by the symbol
and FBs are represented by the symbol
.
,
∗ The color of a symbol points to the origin of the related FU or FB:
FIRMWARE FUs and FBs are displayed in red. LIBRARY FUs and FBs
are displayed in blue. USER FUs and FBs are displayed in green.
∗ 'Function blocks'. The selection area only offers function blocks. The
symbols and their colors are described above.
∗ 'Functions'. The selection area only offers functions. The symbols and
their colors are described above.
∗ 'PLC specific'. The selection area offers elements only available for a
specific PLC.
Manual
Getting started
3-25
∗ 'PROCESSOR specific'. The selection area offers elements only
available for a specific processor.
∗ 'String FUs'. The selection area only offers string functions. The symbols
and their colors are described above.
∗ 'project name'. One group is designated with the name of the project file.
This group only contains the user defined functions and function blocks,
which have already been created within the actual project. This is why
only green symbols are available.
∗ 'Type conv. FUs'. This group contains type converting functions, such as
'Bool to Integer' or 'Bool to Word'.
∗ 'Libraries name'. Each announced library is represented as an own
group.
If the Edit Wizard is not visible in the main screen area, perform the
following steps:
8
Calling the Edit Wizard with the mouse
•
7
Calling the Edit Wizard with the keyboard
•
&
Manual
Click on the icon 'Edit Wizard' in the toolbar.
Press the shortcut <SHIFT> + <F2>.
The usage of the Edit Wizard is described in detail for each editor in the
particular editor description chapter.
Getting started
3-26
Overview window for graphical worksheets
When using the graphic editor you can call the overview window to get an
overview of the complete contents of the worksheet. This simplifies
navigation in your worksheet.
8
Calling the overview window with the mouse
• Open a graphical worksheet in the graphic editor
by double clicking on the desired worksheet icon in
the project tree.
• Click on the submenu 'Layout'.
• Select the menu item 'Overview window'.
The overview window appears.
7
Calling the overview window with its shortcut
• Open a graphical worksheet in the graphic editor.
For this purpose mark the desired worksheet icon
in the project tree and press <↵>.
• Press <ALT> + <6>.
The overview window appears.
The overview window shows the entire contents of the current graphical
worksheet. You can use the overview window to move the worksheet area
which is visible in the editor.
8
Navigating in graphical worksheets using the overview window
• Click on the drawing in the overview window. A hand symbol is added to
the cursor and the visible area is represented as a rectangle.
• Keep the left mouse button pressed and drag the rectangle to the area
you want to be visible in the editor. When releasing the mouse button,
the area which is covered by the rectangle is visible in the editor
window.
The worksheet area which is covered by
this rectangle is visible in the graphic
editor
Figure 3-16: Navigating in a graphical worksheet using the overview window
Manual
Getting started
3-27
Saving changes while editing
While you are editing you should regularly save the changes you have
done. In case of a power failure or other events you risk loss of data if you
do not save your work. You can save at any time the changes of the
current worksheet.
The project tree is saved automatically.
8
Saving the changes of the current worksheet with the mouse
•
7
Click on the icon 'Save' in the toolbar.
The worksheet is saved.
Saving the changes of the current worksheet with the keyboard
•
Press <CTRL> + <S>.
The worksheet is saved.
When saving and closing an edited worksheet, the worksheet will
be compiled automatically.
Exiting worksheets
If you have finished editing the worksheet you can close the worksheet. A
dialog appears where you can save your changes or not.
For saving and exiting all opened worksheets choose the menu
item 'Close all' in the submenu 'Window'.
8
7
Exiting the worksheet with the mouse
•
Click on the submenu 'File'.
•
Select the menu item 'Close'.
The dialog 'Pro-H' appears.
Exiting the worksheet with the keyboard
•
Manual
Press <CTRL> + <F4>.
The dialog 'Pro-H' appears.
Getting started
3-28
Figure 3-17: Dialog 'Pro-H’
87
Using the dialog 'Pro-H'
• Click 'Yes' to exit the worksheet with saving the changes.
• Click 'No' to exit the worksheet without saving the changes.
• Click 'Cancel' to get back to the worksheet without exiting.
Exiting the program
If you exit the program, it does not matter whether one or several editors
are still open or all windows are already closed. If you have not saved the
changes you have done, a dialog appears and you can either save the
changes or close the corresponding windows without saving any changes.
8
Exiting the program with the mouse
• Choose the menu item 'Exit' in the submenu 'File'.
The program is closed.
7
Exiting the program using the keyboard
• Press <ALT> + <F4>.
The program is closed.
To exit the program you can also double click on the icon of the
system menu in the upper left window corner or click on the icon
'Close' in the upper right corner of the program window.
Manual
Getting started
3-29
Editing the
project structure
This chapter provides information
about...
Manual
o
creating a new project
o
changing properties of POUs
o
inserting POUs
o
inserting worksheets
o
announcing libraries
o
deleting worksheets, POUs or libraries
o
saving/zipping the project files
Editing the project structure
Editing the project structure
Creating a new project
The first step you have to do after calling the program is creating a new
project or opening an existing project. This section describes the steps,
which are necessary to create a new project.
While creating a new project the program copies the template you have
chosen to a project named 'Untitled'. The template consists of POUs,
worksheets or configuration elements necessary for the PLC type.
You can edit the project 'Untitled' and save it afterwards under the name
you want to use.
Every project is represented with its own project tree in the project
manager. It is recommended to leave the project manager open the whole
time while you are working with the program, because it gives you a better
orientation at what level you are working and what is left to do. You can
either edit the whole structure of the project tree and the single worksheets
or the POUs and worksheets immediately after inserting them.
8
Creating a new project with the mouse
• Click on the icon 'New Project' in the toolbar. The
dialog 'New Project' appears.
7
Creating a new project with the keyboard
• Press <CTRL> + <N>.
The dialog 'New Project' appears.
Manual
Editing the project structure
4-1
Figure 4-1: Dialog 'New Project' containing the available project templates
87
Using the dialog 'New Project'
• Choose the template for your PLC type with a left mouse click.
• Confirm the dialog.
The new project with the name 'Untitled' is created.
Your project tree should look like the following figure now:
Figure 4-2: Project 'Untitled' with program 'Untitle' and its worksheets
Manual
Editing the project structure
4-2
The project 'Untitled' includes automatically one POU: the program 'Untitle'.
The program has 3 worksheets:
∗ The description worksheet 'UntitleT' for the POU documentation
(optional)
∗ The variable worksheet 'UntitleV' for the declaration of variables and
function block instances
∗ The code body worksheet 'Untitle' for the code body definition
Some properties of this program can be changed. The default
language for the first autoinserted program is IL, thus the
language cannot be changed. If a program in another language
is required, you have to insert a new POU.
Changing the properties of existing POUs
Let us assume that you want to use the program 'Untitle' just with a
different name. In this case you have to change the properties of this
program.
Everywhere in the program you can change the properties of
existing objects choosing 'Object Properties...' in the context
menu of the object. In order to open the context menu of an
object, mark the object and click the right mouse button. The
context menu appears. The menu items always relate to the
marked object.
8
Changing the properties of existing POUs with the mouse
• Choose 'Properties...' in the context menu of the icon
'Program name'.
The dialog 'Properties' appears.
Or
• Click on the icon 'Program name' in the project tree,
to mark it.
• Click on the icon 'Change Node Properties'.
The dialog 'Properties' appears.
7
Changing the properties of existing POUs with the keyboard
• Press <â> or <á> to mark the icon 'Program name'.
• Press <ALT> + <↵>.
The dialog 'Properties' appears.
Manual
Editing the project structure
4-3
Figure 4-3: Dialog 'Properties' for changing the properties of existing POUs
87
Using the dialog 'Properties' for changing the properties of
existing POUs
• If desired, enter a new name for the POU.
• If required, change the POU type. The preselected language cannot be
changed for this POU.
• Confirm the dialog.
You can also edit the name of a particular worksheet in the
dialog 'Properties'. To perform this, mark the desired worksheet
icon in the project tree and click on the icon 'Change Node
Properties'. The dialog 'Properties' appears as shown above.
Enter the new name for the worksheet in the field 'Name' and
confirm the dialog.
If you have changed the name of a program, you also have to
change the name of the instantiated program in the task.
Otherwise an error occurs when compiling the project, because
the system is unable to find the renamed POU.
The steps to be performed for associating a program to a task
are described in section 'Associating programs to tasks' in the
chapter 'Compiling, downloading and debugging'.
Manual
Editing the project structure
4-4
Inserting new POUs
The next steps you would certainly like to do is inserting new POUs in
different programming languages.
8
Inserting a POU with the mouse
• To insert a new program click on the icon 'Add
program'. The dialog 'Insert' appears.
• To insert a new function block click on the icon 'Add
function block'. The dialog 'Insert' appears.
• To insert a new function click on the icon 'Add
function'. The dialog 'Insert' appears.
7
Inserting a POU with the keyboard
• Press <â> or <á> to mark the icon 'Logical POU'.
• Press <INS>.
The dialog 'Insert' appears.
Figure 4-4: Dialog 'Insert' for inserting a new POU
Manual
Editing the project structure
4-5
87
Using the dialog 'Insert' while inserting a new POU
• Enter a name for your new POU.
• Choose the POU type.
• Choose the programming language. The default language for a new
inserted POU is FBD.
• Confirm the dialog.
The new POU with its worksheets is inserted in the project tree.
Some programming languages may be grayed according to the
number of the available editors.
The new worksheets are marked with an asterisk in the project
tree. These asterisks mean that the worksheets have been
inserted or changed but not yet compiled.
Inserting worksheets
It is also possible to insert new worksheets in POUs. This feature is
necessary if you have big code bodies and you want to split them into
several pieces for better orientation. If you want to insert new worksheets in
POUs the language of the new worksheet is determined by the POU
language. This means all worksheets of a POU have the same language
e.g. FBD. The language of a new inserted worksheet is set automatically.
8
Inserting a code body worksheet in a POU with the mouse
• Click on the code body worksheet icon where the
new worksheet has to be inserted in the project tree.
• Choose the menu item 'Insert' from the context
menu.
Or:
Click on the icon 'Add Worksheet'.
In both cases, the dialog 'Insert' appears.
• Enter a name for the new worksheet in the field
'Name'.
• Determine, whether the new worksheet should be
inserted after ('Append') or before ('Insert') the
marked worksheet.
• Confirm the dialog 'Insert'.
The new code body worksheet is inserted in the
project tree.
Manual
Editing the project structure
4-6
8
Inserting a variable worksheet in a POU with the mouse
• Click on the variable worksheet icon where the new
worksheet has to be inserted in the project tree.
• Choose the menu item 'Insert' from the context
menu.
Or:
Click on the icon 'Add Worksheet'.
In both cases, the dialog 'Insert' appears.
• Click on the radio button 'VAR' in the 'Language' area
of the dialog.
• Enter a name for the new worksheet in the field
'Name'.
• Determine, whether the new worksheet should be
inserted after ('Append') or before ('Insert') the
marked worksheet.
• Confirm the dialog 'Insert'. The new variable
worksheet is inserted in the project tree.
The steps to insert a new description worksheet are similar to the steps
described for code body or variable worksheets. The only difference is, that
you have to mark an existing description worksheet, before calling the
dialog 'Insert'.
The steps to be done for inserting new data type worksheets in the subtree
'Data Types' are also similar to the steps described for inserting new code
body worksheets.
8
Inserting a data type worksheet with the mouse
• Click on the icon 'Data Types' in the project tree.
• Choose the menu item 'Insert' from the context
menu.
Or:
Click on the icon 'Add Worksheet'.
In both cases, the dialog 'Insert' appears.
• Choose a name and confirm the dialog. The new
data type worksheet is inserted in the subtree 'Data
Types'.
Inserting of worksheets (i. e. all types of worksheets) can also be done
using the keyboard.
7
Inserting a worksheet with the keyboard
• Press <â> or <á> to mark the desired icon. Which
icon you have to mark, depends on the worksheet
type you want to insert (refer to the preceding
descriptions).
• Press <INS>. The dialog 'Insert' appears.
• Fill in and confirm the dialog 'Insert'.
Manual
Editing the project structure
4-7
Announcing libraries
Having already finished one project, you can reuse these POUs and
worksheets in a new project. This feature makes it unnecessary to define
code bodies which already exist. To reuse POUs and worksheets of an
existing project you have to announce this project as an user library of your
new project.
It is also possible to use firmware functions and function blocks which are
prepared by your PLC manufacturer. Firmware functions and function
blocks have to be announced as firmware libraries.
You can use the programs, function blocks and functions of a library but
you can not view or edit them.
In the following section it is described how to announce an user defined
library. For announcing firmware libraries just choose a different file
extension.
8
Announcing a library with the mouse
• Click on the icon 'Libraries' to mark it.
• Choose the menu item 'Insert' from the context
menu.
Or:
Click on the icon 'Add Worksheet'.
In both cases, the dialog 'Insert library' appears.
• Choose the project you want to announce as a
library.
• Click on the button 'OK' to confirm the dialog.
7
Announcing a library with the keyboard
• Press <â> or <á> to mark the icon 'Libraries'.
• Press <INS>.
The dialog 'Announce Library' appears.
• Choose the project you want to announce as a
library.
• Press <↵> to confirm the dialog.
Your project tree should look like the following figure now:
Figure 4-5: Project with announced library 'Contain'
Manual
Editing the project structure
4-8
Deleting worksheets, POUs or libraries
It is possible to delete worksheets, whole POUs or libraries. In every case,
you first have to mark the object, which has to be deleted.
For the following description let us assume, that you want to delete the
POU 'Untitled'.
When deleting a whole POU, keep in mind, that all worksheets
contained in this POU are deleted too.
87
Deleting the POU 'Untitled'
• Click on the POU icon to be deleted.
Or:
Press <â> or <á> to mark the POU to be deleted.
• Press <DEL>.
A message box appears in which you can confirm or
abort the deletion.
• Confirm the dialog.
The POU is deleted.
Having confirmed the message box there is no way of restoring
the data. Use this feature very carefully!
Saving the existing project and zipping the project
files
The program allows to save the existing project under a new file name and
to zip all project files into one archive file. The zip archive contains all files
that are necessary for your project. This will include the project file
'projectname.mwt', the files with the code bodies and variable declarations
and some internal files.
It is recommended to zip your files regularly, e.g. once a day, and
to save your archive on a floppy disk to make sure that no loss of
data occurs.
The following procedures describe the necessary steps to be performed for
saving your existing project under a new name and zipping the project into
an archive file. In both cases the dialog 'Save project as' is used.
Manual
Editing the project structure
4-9
8
Saving the existing project under a new name with the mouse
• Click on the submenu 'File'.
• Select the menu item 'Save Project As/Zip Project as...'.
The dialog 'Save project as' appears.
• Ensure that the entry 'Project Files (*.mwt)' is selected in the list box
'File type' .
• Enter the new name in the field 'File name'. Use the extension 'mwt'.
• Choose a new path if you want and confirm the dialog.
7
Saving the existing project under a new name with the keyboard
• Press <ALT> + <F>. The submenu 'File' is opened.
• Press <á> or <â> to mark the menu item 'Save Project As/Zip Project
as...'.
• Press <↵>.
The dialog 'Save project as' appears.
• Ensure that the entry 'Project Files (*.mwt)' is selected in the list box
'File type' .
• Enter the new name in the field 'File name'.
• Choose a new path if you want and confirm the dialog by pressing <↵>.
8
Zipping the project files with the mouse
• Click on the submenu 'File'.
• Select the menu item 'Save Project As/Zip Project as...'.
The dialog 'Save project as' appears.
• In the list box 'File type' select the entry 'Zipped Project Files (*.zwt)'.
The checkboxes 'Zip user libraries', 'Zip frontend code' and 'Zip
pagelayouts' are now available.
• Enter a name for the zip file in the field 'File name'. Use the extension
'zwt' (for example contain.zwt).
• Activate the checkbox 'Zip user libraries' if you want to zip the library
too.
• Activate the checkbox 'Zip frontend code' if you want to zip the
compilation files too.
• Activate the checkbox 'Zip pagelayouts' if you want to zip pagelayouts
and bitmaps too.
Manual
Editing the project structure
4-10
• Press 'Zip' to start the zipping process.
The progress of the zipping process is displayed in the status bar.
• Confirm the message box after zipping.
Detailed information about the dialog 'Save project as' can be
found in the program help. The procedure how to unzip project
files is also described in the help.
Manual
Editing the project structure
4-11
Literals, data
types and
variables
This chapter provides information
about...
Manual
o
literals
o
data types
o
editing user defined data types
o
ways how to declare variables
o
types of variables and keywords
o
instantiation
Literals, data types and variables
Literals, data types and
variables
Literals
Literals can be used to enter external representation of data. Literals are
necessary for the representation of numeric, character strings and time
data. Every time you have to enter values you have to use literals.
Numeric literals
The numeric literals which can be used are shown in the following table:
Type
Examples
Integer literals
-12 0 123_456 +986
Real literals
-12.0 0.0 0.4560 3.14159_26
Real literals with exponents
-1.34E-12 -1.34e-12 1.0E+6
Base 2 literals
INT#2#1111_1111
Base 8 literals
INT#8#377
Base 16 literals
INT#16#FF SINT#16#ff
Boolean FALSE and TRUE
FALSE TRUE
Boolean 0 and 1
0, 1
Figure 5-1: Numeric literals
Literals which are used in variable worksheets, literals of data
type INT or BOOL can be used without keyword as it is shown in
the following examples:
For INT#16#ff
you can use 16#ff
For BOOL#FALSE
you can use FALSE.
In variable declarations you can use
"var1
:
DINT :=10"
but in the code body you have to use "LD DINT#10".
Manual
Literals, data types and variables
5-1
Character string literals
A character string literal is a sequence of zero or more characters included
in two single quote characters.
The character string literals which can be used are shown in the following
table:
Type
Examples
Empty string
''
String with a blank
''
Not empty string
'this is a text'
Figure 5-2: Character string literals
Duration literals
Duration data can be represented in hours, minutes, seconds, milliseconds
and in combination.
The duration literals which can be used are shown in the following table:
Type
Examples
Short prefix
T#14ms t#14ms t#12m18s3.5ms
T#25h_15m t#25h_15m
Long prefix
TIME#14ms time#14ms TIME#25h_15m
time#25h_15m
Figure 5-3: Duration literals
Introduction to the IEC data types
Data types define the bitsize, the value range and the initial value of a
variable. Elementary and user defined data types can be used. Generic
data types are basically used for describing the available data types of
inputs and outputs of functions.
Manual
Literals, data types and variables
5-2
Elementary data types
The value ranges and the bitsize of elementary data types are described in
IEC 61131-3.
Elementary data types are shown in the following table:
Data
type
Description
Size
Range
Default
initial
value
BOOL
Boolean
1
0 up to 1
0
SINT
Short
integer
8
-128 up to 127
0
INT
Integer
16
-32768 up to 32767
0
DINT
Double
integer
32
-2.147.483.648 up to
+2147.483.647
0
USINT
Unsigned
short integer
8
0 up to 255
0
UINT
Unsigned
integer
16
0 up to 65535
0
UDINT
Unsigned
double
integer
32
0 up to 4.294.967.295
0
REAL
Real
numbers
32
1.18 x 10-38 up to
3.40 x 1038
0.0
TIME
Duration
32
about 24 days
t#0s
BYTE
Bit string of
length 8
8
00 up to FF
0
WORD
Bit string of
length 16
16
0000 up to FFFF
0
DWORD
Bit string of
length 32
32
00000000 up to
FFFFFFFF
0
Figure 5-4: Elementary data types
The use of data types also depends on your hardware. Please
refer to your hardware documentation for information about the
supported data types.
The data type STRING is also an elementary data type but does
not belong to the above mentioned group. Its format in the
memory depends on your PLC type.
The data type STRING has the following structure:
Byte 0-1
offset to maximum length (0 corresponds to 80)
Byte 2-3
current length
Byte 4-83
characters
Byte 84
zero terminator
Manual
Literals, data types and variables
5-3
Generic data types
Generic data types are data types which include hierarchical groups of
elementary data types. ANY_INT includes the elementary data types DINT,
INT, SINT, UDINT, UINT and USINT. If a function can be connected with
ANY_INT it means that variables of the data types DINT, INT, SINT,
UDINT, UINT and USINT can be handled.
Generic data types are shown in the following table:
ANY
ANY_NUM
ANY_REAL
REAL
ANY_INT
DINT, INT, SINT
UDINT, UINT, USINT
ANY_BIT
DWORD, WORD, BYTE, BOOL
STRING
TIME
Figure 5-5: Generic data types
The use of data types also depends on your hardware. Please
refer to your hardware documentation for restrictions concerning
data types.
User defined data types
User defined data types can be declared to create new data types in
addition to the elementary data types defined in IEC 61131-3. This is useful
because new data types with different properties can be created for an
easier and quicker programming. User defined data types are also called
derived data types.
Three types of user defined data types can be declared:
∗ Array data types
∗ Structured data types
∗ String data types.
&
Manual
Please refer to your PLC documentation for information about available
user defined data types and restrictions. It is possible that the PLC does
not support all described possibilities of using user defined data types!
Literals, data types and variables
5-4
Array data types
Declaring arrays
Array data types include several elements of the same data type. The
particular elements within one array are identified and accessed using an
array index. An array can be used to declare several elements of the same
type with only one line in the type declaration.
TYPE
graph
END_TYPE
:
ARRAY[1..23]
OF INT;
Figure 5-6: Type declaration of an array data type
In the example the array 'graph' contains 23 elements of the data type
'INT'. All elements of an array are stored continuously one after another in
the PLC memory.
In order to declare an array, you first have to declare the array in
the type declaration of the data type worksheet. Subsequently
you can declare a variable in the variable worksheet of the POU
(refer to the following programming example).
Manual
Literals, data types and variables
5-5
Programming example
An array should be typically used for data describing the same subject. Let
us imagine that a process changes an input value every 3 seconds. It is
necessary to store each of these input values to compare them with set
points. All input values are of the same data type. In this case it is useful to
declare an array because in the code body declaration the two values can
be easily compared using an iteration statement (e.g. a FOR loop). The
single components of the array can be accessed using the array index.
Type declaration:
TYPE
graph
set_point
END_TYPE
:
:
Variable declaration:
VAR
input
:
values
:
i
:
run
:
ERROR
:
timer
:
END_VAR
ARRAY[1..23]
ARRAY[1..23]
OF INT;
OF INT;
graph; (* incoming values of the machine *)
set_point;
(* values to compare with *)
INT :=1; (* variable for array index *)
BOOL :=TRUE;
BOOL;
FB_TIMER;
(* declare FB instance *)
Code body declaration in ST:
timer (pt:=t#3s;in:=run);
IF timer.Q THEN
(* provide input values to array 'graph' *)
input[i] := %IW0;
(* assign input value to array *)
run := 0;
(* edge detection to start timer again *)
i := i+1;
(* higher array index *)
ELSE
run :=1;
(* count up *)
END_IF;
IF i = 23
FOR i:=1 TO 23 BY 1 DO
IF input[i] <> values[i] THEN
(* comparing array
'graph' to 'set point' *)
ERROR := TRUE;
END_IF;
END_FOR;
i := 1;
END_IF;
Figure 5-7: Programming example of an array data type
Manual
Literals, data types and variables
5-6
Multi-dimensional arrays
If multi-dimensional arrays are needed, arrays of arrays can be used. An
example for an array of an array is shown in the following figure:
TYPE
graph
my array
END_TYPE
:
:
ARRAY [1..10] OF INT;
ARRAY [1..3] OF graph;
Figure 5-8: Type declaration of an array of array
In an array of an array a single element is accessed using two indexes as
shown in the following figure:
Variable declaration:
VAR
var1
:
var2
:
END_VAR
my_array;
INT;
Code body declaration in ST:
var2 := var1[1] [3];
Figure 5-9: Accessing elements of an array of array
Initializing arrays
Arrays can be initialized, i. e. to each element contained in the array, a
value can be assigned. As already mentioned above, each single element
is accessed using its index. The initialization of an array can be done while
editing the code body declaration.
Variable declaration:
VAR
graph
:
END_VAR
ARRAY [1..10] OF INT;
Code body declaration in ST:
graph[1]:=7;
graph[2]:=1092;
.
.
.
graph[10]:=13;
Figure 5-10: Initializing elements of an array
It is not necessary to initialize all elements of an array. If no initial value is
used, the array element is initialized with the default initial value when
starting the program execution.
Manual
Literals, data types and variables
5-7
Structured data types
Declaring structures
Structured data types include several elements of the same or of different
data types.
TYPE
machine:
STRUCT
x_pos
y_pos
depth
rpm
:
:
:
:
REAL;
REAL;
INT;
INT;
END_STRUCT;
END_TYPE
Figure 5-11: Declaration of a structured data type
In the example the structure 'machine' consists of 4 components. All
components describe the characteristics of the machine.
Programming example
Structures should be used if data describing the same objects have to be
declared. For example a drilling machine drills several holes in one work
piece. All holes have a position in x and y position on the work piece, a
drilling depth and different revolutions per minutes to drill with. The
concrete values for the holes are different but the variables which are
needed are always the same. In this case it is useful to declare a structure
consisting of three components for the position, drilling depth and
revolutions per minute. For each hole different values can be assigned to
the components. The function block for the drilling process is just working
on the same variable being a structure.
Arrays of structures
It is possible to use a structure within arrays as it is shown in the following
example:
TYPE
machine:
STRUCT
x_pos
y_pos
depth
rpm
END_STRUCT;
my array
:
END_TYPE
:
:
:
:
REAL;
REAL;
INT;
INT;
ARRAY[1..10]
OF machine;
Figure 5-12: Declaration of an array of structure
Manual
Literals, data types and variables
5-8
An application example for arrays of structures could be a transfer line with
several drilling machines. Via the array index the concrete drilling machine
can be accessed and via the structure components the different values for
drilling can be assigned.
Structures with arrays
It is possible to use arrays in structures as it is shown in the following
example:
TYPE
graph
drive:
STRUCT
:
ARRAY[1..10]
rpm
:
inputs :
performance
of INT;
INT;
IN_BOOL;
:
graph;
END_STRUCT;
END_TYPE
Figure 5-13: Declaration of a structure of array
Initializing structures
Structures can be initialized by assigning the values to the components
while editing the code body declaration. An example is shown in the
following figure:
Variable declaration:
VAR
var1
:
first
:
END_VAR
machine;
BOOL :=TRUE;
Code body declaration in ST:
IF first THEN
var1.x-pos := REAL#1.3E+2
var1.rpm := 3000;
...
first := FALSE;
END_IF
...
Figure 5-14: Assigning values to components of a structure
Manual
Literals, data types and variables
5-9
String data types
Declaring strings
User defined string data types are strings with a variable number of
characters. Declaring a user defined string the length is set in parentheses
behind the data type.
Programming example
In the following example the string length is 10 characters:
TYPE
STRING10
END_TYPE
:
STRING(10)
Figure 5-15: Declaration of a string data type
Calling the text editor with the data type worksheet
The first step before editing user defined data types is to call the text editor
with the data type worksheet. This step is done using the project tree. Let
us assume for the following description that you want to edit the data type
worksheet 'Type'. Therefore you have to insert first the data type worksheet
'Type' in the project tree as it is described in the chapter 'Editing the project
structure'.
8
Calling the data type editor with the mouse
• Double click on the icon 'Data type worksheet'.
The text editor with the data type worksheet appears.
7
Calling the data type editor with the keyboard
• Press <â> or <á> to mark the icon 'Data type
worksheet'.
• Press <↵>.
The text editor with the data type worksheet appears.
Manual
Literals, data types and variables
5-10
Editing type declarations using the Edit Wizard
Type declaration of arrays and structures can be done using the Edit
Wizard.
After calling the Edit Wizard in a data type
worksheet, by pressing <SHIFT> + <F2>, the
Edit Wizard is opened. The list box 'Group'
contains only one entry: The group 'Data
types'.
The selection area contains two keywords:
ARRAY and STRUCT.
You can insert these keywords into your data
type worksheet. The Edit Wizard inserts preedited constructions, where you just have to
replace the green displayed comments by
your actual values and variables.
Figure 5-16: Edit Wizard in a
data type worksheet
The following figure shows both, an array and a structure, each inserted
using the Edit Wizard. For each keyword, a new declaration block is
inserted.
Green displayed comments, serving as
placeholders. They have to be replaced
by the actual values and names
Figure 5-17: Data type worksheet 'Type' with pre-edited keywords, inserted using the Edit
Wizard
General information about the Edit Wizard can be found in
chapter 'Getting started'.
Manual
Literals, data types and variables
5-11
8
Inserting a structure using the Edit Wizard with the mouse
• Locate the position, where the new structure is to be inserted in the data
type worksheet. Keep in mind, that every 'Wizard inserted' array or
structure is included in an own declaration block.
Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• In the list of available keywords in the Edit Wizard double click on the
keyword 'STRUCT'. It is automatically inserted at the text cursor
position. The actual variables and values are replaced by comments
(green text, enclosed by parentheses and asterisks) as shown in figure
5-17.
• Replace the comments by the actual names and values used in your
project.
7
Inserting a structure using the Edit Wizard with the keyboard
• Press <â> or <á> to move the text cursor to the position, where the
new structure is to be inserted in the data type worksheet. Keep in mind,
that every 'Wizard inserted' array or structure is included in an own
declaration block.
• Press <↵> to insert a new line.
• Press <ALT> + <3> to set your cursor into the Edit Wizard selection
area.
• Press <â> or <á> to mark the keyword 'STRUCT'.
• Press <↵> to insert the structure. It is automatically inserted at the text
cursor position. The actual variables and values are replaced by
comments (green text, enclosed by parentheses and asterisks) as
shown in figure 5-17.
• Replace the comments by the actual names and values used in your
project.
Manual
Literals, data types and variables
5-12
Symbolic, located variables and directly represented
variables
According to IEC 61131-3 variables are used for programming instead of
direct addressing inputs, outputs or flags. Symbolic, located or directly
represented variables can be declared.
A declaration of a symbolic variable consists of a variable name and a data
type. A declaration of a located variable consists of a variable name, the
variable location and a data type. A declaration of a directly represented
variable consists of the variable location and a data type.
Directly represented variables can only be declared in the
declaration of global variables or in programs.
In the following figure an example for each variable type is given:
VAR
name
name
AT
AT
%location
%location
:
:
:
data type;
data type;
data type;
END_VAR
Figure 5-18: Declaration of a symbolic, a located variable and a directly represented
variable
The location of the variable consists of a location prefix and a size prefix.
Location prefixes are I for inputs, Q for outputs and M for internal memory.
Size prefixes are X for single bits, B for byte, W for word and D for double
word.
Located and directly represented variables are stored at the
declared logical address and it is up to the application
programmer to check that no memory address is used twice.
Manual
Literals, data types and variables
5-13
Global and local variables
The scope of each variable which is determined by the use of the variable
keyword is limited either to a POU or to the whole project. Therefore two
types can be distinguished:
∗ Local variables
∗ Global variables
If a variable can be used only within a POU it is called local variable. In
those cases the variable keywords VAR, VAR_INPUT and VAR_OUTPUT
must be used.
If a variable can be used within the whole project it is called global variable.
It has to be declared as VAR_GLOBAL in the global declaration and as
VAR_EXTERNAL in each POU where it is used.
It might be useful to declare all I/Os as global variables. In the
global variable declaration they should be declared as located
variables and in the VAR_EXTERNAL declaration of the POU
they should be declared as symbolic variables. The typing effort
in case of address changes is minimized doing it this way.
Retentive variables
Retentive variables are variables whose values are stored even if the
power is switched off. In the case of a warm start the last value of the
variable is going to be used.
Retentive variables are declared using the keyword RETAIN as it is shown
in the following example:
VAR RETAIN
var1
END_VAR
:
BOOL
:= TRUE;
Figure 5-19: Example for the declaration of a retentive variable
In this example the variable has got the initial value 'TRUE' which is the
initial value for a cold start. In case of a warm start the current value of the
variable is used.
The keyword RETAIN can be used in combination with the keywords VAR,
VAR_OUTPUT and VAR_GLOBAL. It is not possible to declare retentive
variables with the keywords VAR_INPUT and VAR_EXTERNAL.
Manual
Literals, data types and variables
5-14
Initializing variables
According to IEC 61131-3 initial values can be assigned to variables. Initial
values can be given to all kind of variables except in VAR_EXTERNAL
declarations. If the PLC is started the variable is processed using the initial
value.
Initial values have to be inserted at the end of the declaration line of the
variable using ':=' as it is shown in the following figure:
VAR
name
name
AT
AT
%location
%location
:
:
:
data type
data type
data type
:= initial value;
:= initial value;
:= initial value;
END_VAR
Figure 5-20: Declaration and initialization of a symbolic, a located variable
and a directly represented variable
The initial value has to fit to the data type. It is not possible to use e.g. the
data type BOOL and an initial value '5'. In this case the system displays an
error message.
The initial value is optional. If no initial value is used, the variable is
initialized with the default initial value of the data type or with the retained
value in case of retentive variables.
Variable declaration keywords
According to IEC 61131-3 different types of variable declarations exist. For
each type a different keyword is used as you can see in the following table:
Keyword
Variable type / Explanation
VAR
for internal variables which can be used only
within a POU
for declaring the instances of function blocks
can be used for the declaration of directly
represented and located variables in programs
can be used for the declaration of symbolic
variables
can be used with the keyword 'RETAIN' for
declaring retentive variables
to be continued....
Manual
Literals, data types and variables
5-15
Keyword
Variable type / Explanation
VAR_INPUT
for variables which are inputs to functions,
function blocks and programs
to give a value to the POU coming e.g. from
another POU
its value is only read within the POU
can be used only for the declaration of symbolic
variables
VAR_OUTPUT
for variables which are outputs to function blocks
and programs
supplies an output value for e.g. other POUs
its value is written within the POU
it is also allowed to read the value
can be used only for the declaration of symbolic
variables
can be used with the keyword 'RETAIN' for
declaring retentive variables
VAR_IN_OUT
address of the variable is passed by reference
the variable can be read or written
typically used for complex data types such as
strings, arrays and structures.
VAR_EXTERNAL
for global variables in the POU
its value is supplied by the declaration of
VAR_GLOBAL
cannot be initialized
its value can be modified within the POU
can be used only for the declaration of symbolic
variables
VAR_EXTERNAL_PG
for global variables in the program
its value is supplied by the declaration of
VAR_GLOBAL_PG
cannot be initialized
its value can be modified within the program
can be used only for the declaration of symbolic
variables
VAR_EXTERNAL_FB
for global variables in the function block
its value is supplied by the declaration of
VAR_GLOBAL_FB
cannot be initialized
its value can be modified within the function
block
can be used only for the declaration of symbolic
variables
to be continued...
Manual
Literals, data types and variables
5-16
Keyword
Variable type / Explanation
VAR_GLOBAL
for global variables which can be used in all
programs and function blocks of the project
can be used for the declaration of directly
represented, located and symbolic variables
can be used with the keyword 'RETAIN' for
declaring retentive variables
VAR_GLOBAL_PG
for global variables which can be used in all
programs of the project
can be used for the declaration of directly
represented, located and symbolic variables
can be used with the keyword 'RETAIN' for
declaring retentive variables
VAR_GLOBAL_FB
for global variables which can be used in all
function blocks of the project
can be used for the declaration of directly
represented, located and symbolic variables
can be used with the keyword 'RETAIN' for
declaring retentive variables
END_VAR
to finish a variable declaration block
Figure 5-21: Table of keywords for variable declaration blocks
Global variables have to be declared as VAR_GLOBAL in the
global variable declaration of the resource and as
VAR_EXTERNAL in the variable declaration of the POU.
The keywords VAR_GLOBAL_PG, VAR_GLOBAL_FB,
VAR_EXTERNAL_PG and VAR_EXTERNAL_FB are IEC
extensions.
Manual
Literals, data types and variables
5-17
Declaring variables
You have two possibilities to declare variables:
∗ Declaring a variable while editing a code body
∗ Declaring variables in a variable worksheet using the text editor
The first method means inserting a variable in a code body worksheet
which has not been declared before. In this case the dialog 'Variable' with
its subdialog 'Automatic Variable Declaration' appears for the automatic
declaration of the variable. Confirming this dialog the variable declaration is
autoinserted in the variable worksheet and the new variable is inserted in
the code body worksheet. This method is described in the corresponding
chapters for the programming languages and SFC.
If the corresponding variable worksheet is opened (i. e. the
worksheet to which the new variable declaration has to be
autoinserted), it is closed automatically when the dialog 'Variable'
appears.
The second method means declaring variables just typing the declarations
in the variable worksheet. To perform this the Edit Wizard can be used to
insert the variable declaration keywords (VAR, VAR_INPUT, etc.).
After calling the Edit Wizard in a variable
worksheet, by pressing <SHIFT> + <F2>, the
Edit Wizard is opened. The list box 'Group'
contains only one entry: The group 'Variable
declaration'.
The selection area contains the available
variable declaration keywords.
You can insert these keywords into your
variable worksheet. The Edit Wizard inserts
pre-edited constructions, where you just have
to replace the green displayed comments by
your actual variable declarations.
Figure 5-22: Edit Wizard in a
variable worksheet
The following figure shows a VAR declaration inserted using the Edit
Wizard. Note, that for each keyword a new declaration block is inserted.
Manual
Literals, data types and variables
5-18
Green displayed comments, serving as
placeholders. They have to be replaced
by the actual declarations.
Figure 5-23: Variable worksheet with pre-edited keyword 'VAR', inserted using the Edit
Wizard
General information about the Edit Wizard can be found in
chapter 'Getting started'.
8
Inserting a VAR declaration using the Edit Wizard with the mouse
• Locate the position, where the VAR declaration is to be inserted in the
variable worksheet. This position must not be within another declaration
block.
Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• In the list of available keywords in the Edit Wizard double click on the
keyword 'VAR'. It is automatically inserted at the text cursor position.
The actual variable declarations are replaced by comments (green text,
enclosed by parentheses and asterisks) as shown in figure 5-23.
• Replace the comments by the actual declarations.
7
Inserting a VAR declaration using the Edit Wizard with the keyboard
• Press <â> or <á> to move the text cursor to the position, where the
VAR declaration is to be inserted in the variable worksheet. This position
must not be within another declaration block.
• Press <↵> to insert a new line.
• Press <ALT> + <3> to set your cursor into the Edit Wizard selection
area.
• Press <â> or <á> to mark the keyword 'VAR'.
Manual
Literals, data types and variables
5-19
• Press <↵> to insert the keyword. It is inserted automatically at the text
cursor position. The actual variable declarations are replaced by
comments (green text, enclosed by parentheses and asterisks) as
shown in figure 5-23.
• Replace the comments by the actual declarations.
Instantiation
IEC 61131-3 provides the possibility of instantiation. Instantiation means
that a function block is defined once and can be used several times. As
function blocks always have an internal memory it is necessary to store
their values for each time the function block is used to a different memory
region. This is done using instance names. The instance name is declared
in the variable declaration of the POU where the function block is going to
be used. In the following figure an example of a variable declaration for the
function block 'FB_exam' with two instances is shown:
VAR
drive1
drive2
END_VAR
:
:
FB_exam;
FB_exam;
Figure 5-24: Instantiation of a function block
The function block 'FB_exam', whose code body has been defined
somewhere in the project, has got two instances. The instance name of the
first instance is 'drive1', of the second 'drive2'. In the corresponding code
body worksheet you can use the function block 'FB_exam' twice, entering
in both cases the correct instance name.
Instance names are created automatically whenever a function
block is inserted using the Edit Wizard.
Function blocks can be instantiated within programs or other function
blocks. Functions can be called without instantiation because they do not
have an internal memory.
The instance tree shows all instances used in your project as it is shown in
the following example:
Manual
Literals, data types and variables
5-20
Task 'T_100ms'
Program instance of program
FBD
Instance of function block TLC,
named LEVEL_SIM.
Tab 'Instances' activated
Figure 5-25: Example of an instance tree
In this example one program instance of the program 'FBD' is used in the
task 'T_100ms'. The function block 'TLC' has been instantiated in the
program 'FBD'.
The instance tree is made visible by clicking with the left mouse button on
the tab 'Instances' at the bottom of the project tree (refer to figure 5-25).
Program instances are created just associating a program to a
task and entering an instance name in the corresponding dialog.
&
Manual
Associating programs to tasks is described in the chapter 'Compiling,
downloading and debugging' of this manual.
Literals, data types and variables
5-21
Editing in ST
This chapter provides information
about...
o
calling the text editor with a ST
worksheet
o
introduction to ST
o
inserting and editing assignment
statements
o
inserting and editing further
statements
o
inserting statements using the Edit
Wizard
o
inserting variables
o
calling functions or function blocks
using the Edit Wizard
Manual
Editing in ST
Editing in ST
Calling the text editor with a ST worksheet
Before editing a ST code body worksheet you have to call the text editor
with the ST worksheet, using the project tree.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
As an example, let us assume that you want to edit the ST worksheet of a
function block which is called ST_FB. For that purpose, you first have to
insert a function block with this name as it is described in the chapter
'Editing the project structure'. Keep in mind that the language of the
worksheet is determined by the POU language. It is set by inserting the
POU respectively the worksheet.
8
Calling the text editor for the ST code body worksheet with the mouse
• If the desired worksheet icon is not visible in the
project tree, open the corresponding subtree,
containing the POU worksheets. For this purpose
double click on the POU name (e.g. 'ST_FB').
• Double click on the icon 'Worksheet in ST' of the
function block 'ST_FB'.
The text editor with the ST worksheet appears.
Manual
Editing in ST
6-1
7
Calling the text editor for the ST code body worksheet
with the keyboard
• If the desired worksheet icon is not visible in the
project tree, open the 'ST_FB' subtree, containing the
POU worksheets as follows: Press <â> or <á> to
highlight the function block 'ST_FB'. Press <→> to
open the function block subtree.
• Press <â> or <á> to mark the desired icon
'Worksheet in ST' of the function block 'ST_FB'.
• Press <↵>.
The text editor with the ST worksheet appears.
Introduction to ST
A code body which is programmed in the textual language ST consists of
statements and expressions.
Different types of statements can be used while editing.
An expression which is part of a statement returns one value for the
execution of the statement. Expressions consist of operators and
operands. The operators have to be applied to the operands in the way that
the operator with the highest precedence is followed by the operators with
the next lower precedence.
Statements and expressions can be entered by just typing them or using
the Edit Wizard. The Edit Wizard simplifies editing in the text editors. In ST
it contains a lot of standard keywords, functions and function blocks which
can be inserted. When entering the statements by typing, it is
recommended for a better orientation to start each statement in a new line
and to use indents for statements and loops. Each statement has to end
with a semicolon. When using the Edit Wizard this is done automatically.
Comments can be inserted using asterisks and parentheses. Each line
starts with the line number. The syntax highlighting represents the different
elements by colors: keywords are blue; variables and instance names are
black; comments are green.
&
Manual
The usage of the Edit Wizard is described in the section 'Editing
statements using the Edit Wizard' in this chapter.
Editing in ST
6-2
Inserting and editing assignment statements
An assignment statement is a specific type of statement. It copies the value
of the expression on the right to the variable on the left as it is shown in the
following figure:
variable name
:=
expression;
Figure 6-1: Structure of an assignment statement in ST
Assignment statements are inserted using the Edit Wizard or by typing
them.
In assignment statements it is important that the variable on the left and the
value of the expression on the right are of the same data type. If not, a type
conversion must be used.
The expression on the right is composed of operands and operators.
Operands can be literals, variables, function calls or other expressions. IEC
61131-3 provides a list of possible operators which can be used to connect
the operands. These operators have a certain priority. The operator with
the highest priority is evaluated first. The list of possible operators is shown
in the following table. The operator with the highest priority is explained in
the first line, the operator with the lowest in the last.
Operator
Example
Value of example
Meaning
()
(2+3) * (4+5)
45
Parenthesization
**
3**4
81
Exponentiation
-
-10
-10
Negation
NOT
NOT TRUE
FALSE
Complement
*
10*3
30
Multiplication
/
6/2
3
Division
MOD
17 MOD 10
7
Modulo
+
2+3
5
Addition
-
4-2
2
Subtraction
<, >, <=,
>=
4 > 12
FALSE
Comparison
=
T#26h = T#1d2h
TRUE
Equality
<>
8 <>16
TRUE
Inequality
&, AND
TRUE & FALSE
FALSE
Boolean AND
XOR
TRUE XOR
FALSE
TRUE
Boolean
exclusive OR
OR
TRUE OR
FALSE
TRUE
Boolean OR
Figure 6-2: Table of operators in ST
Manual
Editing in ST
6-3
Inserting and editing further statements
While editing in ST more statements can be used in addition to the
assignment statements (such as selection statements, iteration statements
or return statements). The keywords of the statements, examples for using
the statements and their meanings are shown in the following table.
You can use the Edit Wizard for entering statements in ST. In
this case their structure is pre-edited.
For entering a statement using the Edit Wizard, perform the
steps described in the following section 'Inserting statements
using the Edit Wizard'.
Keyword
Example
Meaning
IF
IF a < b THEN c:=1;
ELSIF a=b THEN
c:=2;
ELSE c:=3;
END_IF;
selection statement: A group of
statements is executed only, if the
associated expression 'a<b' is
TRUE. If the condition is FALSE,
either no statement is executed or
the group of statements following
ELSE is executed.
CASE
CASE f OF
1: a:=3;
2..5: a:=4;
6: a:=2;
b:=1;
ELSE a:=0;
END_CASE;
selection statement: A group of
statements is executed according
to the value of the expression
following the keyword CASE. The
variable or expression 'f' must be of
the data type INT.
FOR
FOR a:=1 TO 10
BY 3 DO
f[a] :=b;
END_FOR;
iteration statement: A group of
statements is executed repeatedly
increasing the variable 'a' by '3',
beginning at '1' and finishing at '10'.
The starting point is indicated by
the assigned value of the control
variable 'a'. The final value is
indicated following 'TO' and the
increments are indicated following
'BY'. All values must be of the data
type ANY_INT.
Note: If 'BY' is not indicated, the
default value '1' is used. In this
case, all values must be of the data
type INT.
To be continued ....
Manual
Editing in ST
6-4
Keyword
Example
Meaning
WHILE
WHILE b > 1 DO
b:= b/2
END_WHILE;
iteration statement: A group of
statements is executed repeatedly,
until the associated expression
'b>1' is FALSE. The condition of the
statement is executed at the
beginning of the loop. If the
condition is FALSE, the loop is not
executed.
REPEAT
REPEAT
a := a*b;
UNTIL a < 10000
END_REPEAT;
iteration statement: A group of
statements is executed repeatedly
until the associated expression is
TRUE. The condition of the
statement is executed at the end of
the loop. If the condition is FALSE,
the loop is executed at least once.
RETURN
RETURN;
return statement: The return
statement exits the called function,
function block or program and
returns to the calling POU.
EXIT
FOR a:=1 TO 2 DO
IF flag THEN
EXIT;
END_IF
SUM := SUM + a
END_FOR
exit statement: The exit statement
can be used to abort the execution
of an iteration statement.
Figure 6-3: Table of statements in ST
Inserting statements using the Edit Wizard
As already mentioned above, the most comfortable and fault preventing
method to edit the code body (i. e. to insert statements) is to use the Edit
Wizard.
A general description of the Edit Wizard can be found in the
section 'The Edit Wizard' in chapter 'Getting started' in this
manual.
In ST worksheets the Edit Wizard contains keywords, functions and
function blocks, which can be easily inserted into the code body. Using the
Edit Wizard provides the following advantages:
∗ It prevents from entering syntactical faults, such as missing semicolons,
selection or iteration statements without END keywords, etc. This is
done by inserting pre-edited statements, functions or function blocks, i.
e. the statement structure is already completed by place holders. The
specific variables and values are inserted as comments, which the user
may simply overwrite.
Manual
Editing in ST
6-5
∗ It is not necessary, that the user knows the syntax of all different
statements, such as functions or function blocks.
If the Edit Wizard is not visible in the workspace, perform the following
steps:
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
The following procedure describes the steps how to insert a CASE
statement into the code body using the Edit Wizard with the mouse. It is
assumed, that the Edit Wizard is visible. Otherwise, call the Edit Wizard as
described above.
8
Inserting a CASE statement using the Edit Wizard with the mouse
• Locate the code body position, where the new statement is to be
inserted. Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Keywords'.
The available keywords are displayed in the selection area of the
Wizard.
• Locate the keyword 'CASE'.
• Double click on the CASE statement. It is inserted automatically at the
text cursor position as shown below. The actual variables and values are
replaced by comments (green text, enclosed by parentheses and
asterisks).
Text cursor
Comments, used as place
holders. They have to be
overwritten by the user.
Comments, used for code body
documentation.
Figure 6-1: Pre-edited CASE statement, inserted using the Edit Wizard
Manual
Editing in ST
6-6
The next step is to overwrite the comments, which serve as place holders
with the necessary variables and values.
87
Editing the new inserted statement
• Mark the green colored place holders and replace them by statements
and expressions (variables and values).
Inserting variables
While editing in ST there are three possibilities for using variables:
∗ Inserting variables, which have already been declared in the variable
worksheet of the POU.
∗ Inserting variables, which have not been declared before, and declaring
them afterwards in the variable worksheet of the POU.
∗ Inserting a variable and declaring it while editing.
In the first two cases, the variable is inserted in the code body worksheet
by just typing the variable name.
In the following section, the last case is described. Let us assume that you
want to insert the variable 'T_value' in your code body worksheet.
8
Inserting a variable with the mouse
• Type the variable at the desired code body
position.
• Mark it with a left mouse double click on the
variable name.
• Click on the icon 'Variable' in the toolbar.
The dialog 'Variable' appears. The variable name
is displayed in the field 'Variable list of POU
POUname'.
7
Inserting a variable with the keyboard
• Type the variable at the desired code body
position.
• Mark the variable name by holding the <SHIFT>
key and pressing <→> repeatedly.
• Press <F5>. The dialog 'Variable' appears. The
variable name is displayed in the field 'Variable list
of POU POUname'.
Manual
Editing in ST
6-7
It is also possible to open the dialog 'Variable' without having
marked the variable to be declared. In this case the dialog is
opened with the empty field 'Variable list of POU POUname'.
Figure 6-2: Dialog 'Variable'
87
Using the dialog 'Variable'
• Enter a variable name if not already shown (refer to the note above).
• Confirm the dialog 'Variable'.
The dialog 'Automatic Variables Declaration' appears.
Figure 6-3: Dialog 'Automatic Variables Declaration'
Manual
Editing in ST
6-8
87
Using the dialog 'Automatic Variables Declaration'
• Choose a variable keyword in the list box 'Usage'.
• Enter a location in the field 'AT' if you want to declare a located variable
(only possible in programs or for global variables).
• Choose the correct data type in the field 'Data type'.
• If required, enter an initial value.
• Mark the checkbox 'PDD' if the variable should be stored in the
ProConOS PDD (Process Data Directory), i.e. is intended to be used
with IEC 61131-5 communication function blocks.
• Mark the checkbox 'CSV' if the variable should be stored in the CSV file,
i.e. is intended to be used with the OPC Server. The OPC Server
processes only variables, which are declared in the CSV file, in order to
be used in an OPC client process (e. g. a visualization).
• Enter a comment if you want.
• Confirm the dialog.
The new variable is inserted in the code body worksheet and the
declaration of the variable is autoinserted in the variable declaration of
the POU.
When inserting variables, which have already been declared
before, the name of the variable appears in the listbox in the
dialog 'Variable'. Confirming the dialog, the variable is directly
inserted in the code body worksheet. The dialog 'Automatic
Variables Declaration' does not appear.
&
Manual
Detailed information about the OPC Server can be found in the 'OPC
Server Manual'.
Editing in ST
6-9
Calling functions or function blocks using the Edit
Wizard
Functions can be used in any expression e.g. within assignment
statements as it is shown in the following figure:
variable name
:=
function name(invar1, invar2);
Figure 6-4: Function call in ST
In the example the value of the function on the right is copied to the
variable on the left. Instead of the variables 'invar1' and 'invar2' also
constants can be used. In this way, either standard functions or user
defined functions can be called.
Function blocks can be called as a single statement using the instance
name, as it is shown in the following figure:
instance(invar1:=1, invar2:=2);
a:= instance.outvar1;
Figure 6-5: Function block call in ST
The order of the formal parameters does not have any importance. If
parameters are missing, the initial value or the value of the last call is used.
There is no difference in calling either standard function blocks or user
defined function blocks.
Do not forget to declare the instance of the function block in the
variable declaration of the POU, as it is described in the section
'Instantiation' in chapter 'Literals, variables and data types'.
The most comfortable and fault preventing method to insert function or
function blocks into the code body is to use the Edit Wizard.
If the Edit Wizard is not visible in the workspace, perform the following
steps:
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
Manual
Editing in ST
6-10
The following procedures describe the steps how to insert a MAX function
and a CTU function block into the code body using the Edit Wizard with the
mouse. It is assumed, that the Edit Wizard is visible. Otherwise, call the
Edit Wizard as described above.
8
Inserting a MAX function using the Edit Wizard with the mouse
• Locate the code body position, where the new function is to be inserted.
Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Functions'.
The available functions are displayed in the selection area of the
Wizard.
• Locate the function 'MAX'.
• Double click on the function 'MAX'. It is inserted automatically at the text
cursor position as shown in the following figure. Replace the green
comments (enclosed by parentheses and asterisks) with the necessary
elements.
8
Inserting a CTU function block using the Edit Wizard with the mouse
• Locate the code body position, where the new function block is to be
inserted. Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Function
blocks'. The available function blocks are displayed in the selection area
of the Wizard.
• Double click on the function block 'CTU'. The dialog 'FB Instances'
appears. The field 'FB Instances' displays the default instance name
(e.g. for a CTU the name 'CTU_n' is proposed, where n is the first
available number which is free for this instance name).
To define the name of the new FB you have the following possibilities:
∗ Enter a new instance name in the field.
∗ Accept the proposed name.
∗ Select an already existing name in the list box 'FB Instances'.
• Press 'OK' to confirm the dialog. If you have entered a new instance
name, the dialog 'Automatic FB Declaration' appears.
• Enter a comment if you want and press 'OK' to confirm the dialog. The
function block 'CTU' is inserted automatically at the text cursor position
as shown in the following figure . Replace the green comments
(enclosed by parentheses and asterisks) with the necessary elements.
Manual
Editing in ST
6-11
Pre-edited function
'MAX'
Pre-edited function
block 'CTU', named
CTU_1
Green comments, which serve as placeholders and have
to be overwritten by the actual values and names
Figure 6-6: Pre-edited MAX function and CTU function block, inserted using the Edit Wizard
Manual
Editing in ST
6-12
Editing in IL
This chapter provides information
about...
o
calling the text editor with an IL
worksheet
o
instructions, operators, modifiers and
operands
o
inserting instructions using the Edit
Wizard
o
inserting variables
o
using jumps and labels
o
calling functions or function blocks
using the Edit Wizard
Manual
Editing in IL
Editing in IL
Calling the text editor with an IL worksheet
The first step before editing an IL code body worksheet is to call the text
editor with the IL worksheet, using the project tree.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
As an example, let us assume that you want to edit the IL worksheet of a
function block which is called IL_FB. For that purpose, you first have to
insert a function block with this name as it is described in the chapter
'Editing the project structure'. Keep in mind, that the programming
language of the worksheet is determined by the POU language. It is set by
inserting the POU respectively the worksheet.
8
Calling the text editor for the IL code body worksheet with the mouse
• If the desired worksheet icon is not visible in the
project tree, open the corresponding subtree,
containing the POU worksheets. For this purpose
double click on the POU name (e.g. 'IL_FB').
• Double click on the icon 'Worksheet in IL' of the
function block 'IL_FB'.
The text editor with the IL worksheet appears.
Manual
Editing in IL
7-1
7
Calling the text editor for the IL code body worksheet with the
keyboard
• If the desired worksheet icon is not visible in the
project tree, open the 'IL_FB' subtree, containing the
POU worksheets as follows: Press <â> or <á> to
highlight the function block 'IL_FB'. Press <→> to
open the function block subtree.
• Press <â> or <á> to mark the desired icon
'Worksheet in IL' of the function block 'IL_FB'.
• Press <↵>.
The text editor with the IL worksheet appears.
Instructions, operators, modifiers and operands
An instruction list consists of several instructions. Each instruction starts at
a new line and contains an operator. Modifier and operand are optional. A
comment can be entered at the end of the line using parentheses and
asterisks. A line number is displayed in front of each line. The syntax
highlighting represents the different elements by colors: operators and their
modifiers are blue; variables and operands are black; comments are green.
An instruction list with three instructions is shown in the following example:
LD %IX2.2
ADD value
ST %QX2.2
(* input value *)
(* add value *)
(* result of addition *)
Figure 7-1: Example of an instruction list
In the example each instruction consists of an operator, an operand and a
comment.
While editing in IL the following operators, modifiers and operands can be
used:
Manual
Editing in IL
7-2
Operator
Modifier
Operand
Description
LD
N
ANY
Set current result
equal to operand
ST
N
ANY
Store current result to
operand location
S
BOOL
Set Boolean operand
to 1 if the current
result is 1
R
BOOL
Set Boolean operand
to 0 if the current
result is 1
AND
N,(
ANY_BIT
Boolean AND
OR
N, (
ANY_BIT
Boolean OR
XOR
N, (
ANY_BIT
Boolean exclusive OR
ADD
(
ANY_NUM
Addition
SUB
(
ANY_NUM
Subtraction
MUL
(
ANY_NUM
Multiplication
DIV
(
ANY_NUM
Division
GT
(
ANY_NUM +
ANY_BIT
Comparison: >
GE
(
ANY_NUM +
ANY_BIT
Comparison: >=
EQ
(
ANY_NUM +
ANY_BIT
Comparison: =
NE
(
ANY_NUM +
ANY_BIT
Comparison: <>
LE
(
ANY_NUM +
ANY_BIT
Comparison: <=
LT
(
ANY_NUM +
ANY_BIT
Comparison: <
JMP
C, N
LABEL
Jump to label
CAL
C, N
NAME
Call function block
RET
C, N
)
Return to the calling
function block or
program
Evaluate deferred
operation
Figure 7-2: Table of operators, modifiers and operands in IL
Manual
Editing in IL
7-3
The meaning of the modifiers is described in the following table:
Modifier
Description
N
negated
(
process the included expression first
C
conditional
Figure 7-3: Table of the modifiers in IL and their meaning
Inserting instructions using the Edit Wizard
Instructions can be inserted by just typing them or using the Edit Wizard.
The Edit Wizard is a feature to simplify editing in the text editors. In IL it
contains a lot of standard operators, functions and function blocks which
can be inserted.
&
A general description of the Edit Wizard can be found in the section 'The
Edit Wizard' in chapter 'Getting started' in this manual.
Using the Edit Wizard provides the following advantages:
∗ It prevents from entering syntactical faults, such as wrong instruction
sequences. This is done by inserting pre-edited operators, functions or
function blocks, i. e. the structure is already completed by placeholders.
The specific variables and values are inserted as comments, which the
user simply has to overwrite.
∗ It is not necessary, that the user knows the syntax of all different
operations, such as functions or function blocks.
Example: After inserting the operator 'ADD' and the function block 'RS'
using the Edit Wizard, the following instruction list is visible in your IL
worksheet:
Pre-edited operator
'ADD'
Pre-edited function
block 'RS', named
RS_1
Green comments, which serve as placeholders and have
to be overwritten by the actual values and names
Figure 7-4: Operator 'ADD' and FB 'RS', both inserted using the Edit Wizard
Manual
Editing in IL
7-4
If the Edit Wizard is not visible in the workspace, perform the following
steps:
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
The following procedure describes the steps how to insert an ADD operator
into the code body using the Edit Wizard with the mouse. It is assumed,
that the Edit Wizard is visible. Otherwise, call the Edit Wizard as described
above.
&
8
To insert functions or function blocks into the code body, the same
procedure must be performed with the exception of selecting the
appropriate function or function block group in the Edit Wizard. This
procedure is described in detail in section 'Calling functions or function
blocks using the Edit Wizard' in this chapter.
Inserting an ADD operator using the Edit Wizard
• Locate the code body position, where the new instructions are to be
inserted. Click the left mouse button to set a text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Operators'.
The available operators are displayed in the selection area of the
Wizard.
• Locate the operator 'ADD'.
• Double click on the operator. It is inserted automatically at the text
cursor position as shown in figure 7-4. The actual variables and values
are replaced by comments (green text, enclosed by parentheses and
asterisks).
The next step is to overwrite the comments, which serve as place holders
with the necessary variables and values.
87
Editing the new inserted instructions
• Mark the green colored place holders and replace them by the actual
operands (variables and values).
Manual
Editing in IL
7-5
• Now you have to declare the variables which have been inserted with
the operator. To perform this, double click on the variable to mark it.
Then press <F5> to open the dialog 'Variable'. You can also change the
names of the variables if necessary.
Inserting variables
If you are editing IL instructions manually by just typing them you have two
possibilities to insert variables. The first possibility is typing the variable
name in the code body worksheet and declaring the variable using the
variable editor or the variable dialog.
You can also insert variables by clicking on the icon 'Variable' in the toolbar
and using the dialog 'Variable'. In a second example at the end of this
section, we assume, that you want to insert a variable which has already
been declared in the global variable declaration of your project.
In the first example let us assume, that you have inserted the operator
'ADD' using the Edit Wizard. The required variable 'invar' is not yet
declared in the variable worksheet 'IL_FBV'.
8
Declaring a variable with the mouse
• Double click on the variable name to be declared.
• Click on the icon 'Variable' in the toolbar.
The dialog 'Variable' appears. The field 'Variable list
of POU POUname' displays the current variable
name.
7
Declaring a variable with the keyboard
• Mark the variable name by holding the <SHIFT> key
and pressing <→> repeatedly.
• Press <F5>. The dialog 'Variable' appears. The field
'Variable list of POU POUname' displays the current
variable name.
It is also possible to open the dialog 'Variable' without having
marked the variable to be declared. In this case the dialog is
opened and the field 'Variable list of POU POUname' is empty.
Manual
Editing in IL
7-6
Figure 7-5: Dialog 'Variable', called with a variable marked
87
Using the dialog 'Variable'
• Enter a variable name if not already shown (refer to the note above).
• Confirm the dialog 'Variable'.
The dialog 'Automatic Variables Declaration' appears.
Figure 7-6: Dialog 'Automatic Variables Declaration'
87
Using the dialog 'Automatic Variables Declaration'
• Choose a variable keyword in the list box 'Usage'.
• Enter a location in the field 'AT' if you want to declare a located variable
(only possible in programs or for global variables).
• Choose the correct data type in the field 'Data type'.
Manual
Editing in IL
7-7
• If required, enter an initial value.
• Mark the checkbox 'PDD' if the variable should be stored in the
ProConOS PDD (Process Data Directory), i.e. is intended to be used
with IEC 61131-5 communication function blocks.
• Mark the checkbox 'CSV' if the variable should be stored in the CSV file,
i.e. is intended to be used with the OPC Server. The OPC Server
processes only variables, which are declared in the CSV file, in order to
be used in an OPC client process (e. g. a visualization).
• Enter a comment if you want.
• Confirm the dialog.
The new variable is inserted in the code body worksheet and the
declaration of the variable is autoinserted in the variable declaration of
the POU.
When inserting variables, which have already been declared
before, the name of the variable appears in the listbox of the
dialog 'Variable'. Confirming the dialog, the variable is directly
inserted in the code body worksheet. The dialog 'Automatic
Variables Declaration' does not appear.
&
Detailed information about the OPC server can be found in the 'OPC
Server Manual'.
In a second example let us assume, that you want to insert a variable
which has already been declared in the global variable declaration of your
project.
8
Calling the dialog 'Variable' with the mouse
• Click on the icon 'Variable' in the toolbar.
The empty dialog 'Variable' appears.
7
Calling the dialog 'Variable' with the keyboard
• Press <F5>.
The empty dialog 'Variable' appears.
Manual
Editing in IL
7-8
Figure 7-7: Dialog 'Variable'
87
Using the dialog 'Variable' to insert a variable, which has already been
declared in the global variable declaration of the project
• Activate the radio button 'Global'.
• Check if the correct resource is listed.
• Choose the desired variable in the list box 'Variable list of resource
name'.
• Confirm the dialog.
The variable is inserted in the code body worksheet and additionally in
the variable declaration of the POU as VAR_EXTERNAL since it is a
global variable.
Using jumps and labels
Jumps can be used to jump to a line of the instruction list. In these cases
the operator 'JMP' and a label in front of the destination line is used as it is
shown in the following example:
LD
EQ
JMPC
LD
ADD
ST
label:
value1
INT#100
label
value2
value3
value4
LD
%IX2.2
Figure 7-8: Example of a jump
In the example a jump to the label is executed if 'value1' is 100. If it is not
100 no jump is executed and 'value2' is loaded.
Manual
Editing in IL
7-9
Calling functions or function blocks using the Edit
Wizard
Functions can be called in an instruction list by placing the function name
in the operator field. In the following figure an example of calling a function
with three input parameters and one output parameter is shown:
LD inpar1
function name
ST var1
inpar2, inpar3
Figure 7-9: Example of calling a function
The first declared input parameter has to be loaded in the preceeding line
of the function call. In the example the first input parameter is 'inpar1'. All
other input parameters have to be used in the second line as operands
separated by commas. The result is stored to the variable 'var1' as it is
shown in the last line of the figure.
This way either standard functions or user defined functions can
be called.
Function blocks can be called using the operator CAL and the name of
the function block in the operand field. Calling a function block needs more
typing effort than calling a function. For the next example let us imagine a
function block with two input parameters 'inpar1' and 'inpar2' and two
output parameters 'outpar1' and 'outpar2'. The function block is called
'FB_exam'. Its instance name is 'instance'.
For this example the function block call should look like the following figure:
LD
ST
LD
ST
CAL
LD
ST
LD
ST
var1
instance.inpar1
var2
instance.inpar2
FB_exam
instance.outpar1
var3
instance.outpar2
var4
Figure 7-10: Example of calling a function block
The function block call consists of three parts: input parameter introduction,
the proper call with the operator CAL and storing the output parameters.
Do not forget to declare the instances of function blocks in the
variable declaration of the POU as it is described in the chapter
'Literals, data types and variables'.
Manual
Editing in IL
7-10
The most comfortable and fault preventing method to insert functions or
function blocks into the code body is to use the Edit Wizard.
If the Edit Wizard is not visible in the workspace, perform the following
steps:
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
The following procedures describe the steps how to insert a MAX function
and an CTU function block into the code body using the Edit Wizard with
the mouse. It is assumed, that the Edit Wizard is visible. Otherwise, call the
Edit Wizard as described above.
8
Inserting a MAX function using the Edit Wizard with the mouse
• Locate the code body position, where the new function is to be inserted.
Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Functions'.
The available functions are displayed in the selection area of the
Wizard.
• Locate the function 'MAX'.
• Double click on the function 'MAX'. It is inserted automatically at the text
cursor position as shown in the following figure. Replace the green
comments (enclosed by parentheses and asterisks) with the necessary
elements.
8
Inserting a CTU function block using the Edit Wizard with the mouse
• Locate the code body position, where the new function block is to be
inserted. Click the left mouse button to position the text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Function
blocks'. The available function blocks are displayed in the selection area
of the Wizard.
Manual
Editing in IL
7-11
• Double click on the function block 'CTU'. The dialog 'FB Instances'
appears. The field 'FB Instances' displays the default instance name
(e.g. for a CTU the name 'CTU_n' is proposed, where n is the first
available number which is free for this instance name).
To define the name of the new FB you have the following possibilities:
∗ Enter a new instance name in the field.
∗ Accept the proposed name.
∗ Select an already existing name in the list box 'FB Instances'.
• Press 'OK' to confirm the dialog. If you have entered a new instance
name, the dialog 'Automatic FB Declaration' appears.
• Enter a comment if you want and press 'OK' to confirm the dialog. The
function block 'CTU' is inserted automatically at the text cursor position
as shown in the following figure. Replace the green comments
(enclosed by parentheses and asterisks) with the necessary elements.
Pre-edited function
'MAX'
Pre-edited function
block 'CTU', named
CTU_1
Green comments, which serve as placeholders and have
to be overwritten by the actual values and names
Figure 7-11: Pre-edited MAX function and CTU function block, inserted using the Edit
Wizard
Manual
Editing in IL
7-12
Editing in FBD
This chapter provides information
about...
o
calling the graphic editor with a FBD
worksheet
o
introduction to FBD
o
inserting functions and function blocks
using the Edit Wizard
o
changing the properties of functions
and function blocks
Manual
o
replacing functions and function blocks
o
inserting variables
o
connecting objects
o
negation of inputs and outputs
o
duplicating inputs of functions
Editing in FBD
Editing in FBD
Calling the graphic editor with a FBD worksheet
Before editing a FBD code body worksheet you have to call the graphic
editor with the FBD worksheet, using the project tree.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
As an example, let us assume that you want to edit the FBD worksheet of a
function block which is called FBD_FB. For that purpose you first have to
insert a function block with this name as it is described in the chapter
'Editing the project structure'. Keep in mind that the language of the
worksheet is determined by the POU language. It is set by inserting the
POU respectively the worksheet.
8
Calling the graphic editor for the FBD code body worksheet
with the mouse
• If the desired worksheet icon is not visible in the
project tree, open the corresponding subtree,
containing the POU worksheets. For this purpose
double click on the POU name (e.g. 'FBD_FB').
• Double click on the icon 'Worksheet in FBD' of the
function block 'FBD_FB'. The graphic editor with the
FBD worksheet appears.
7
Calling the graphic editor for the FBD code body worksheet
with the keyboard
• If the desired worksheet icon is not visible in the
project tree, open the 'FBD_FB' subtree, containing
the POU worksheets as follows: Press <â> or <á>
to highlight the function block 'FBD_FB'. Press <→>
to open the function block branch.
Manual
Editing in FBD
8-1
• Press <â> or <á> to mark the icon 'Worksheet in
FBD' of the function block 'FBD_FB'.
• Press <↵>.
The graphic editor with the FBD worksheet appears.
Introduction to FBD
A code body which is programmed in the graphical language FBD
(Functional Block Diagram) consists of functions, function blocks or
variables which are connected by lines. A line can also be connected to a
line. The set of connected objects is called a FBD network. In FBD
networks it is not possible to connect outputs with outputs.
In FBD code bodies, comments can be inserted using asterisks and
parentheses.
Functions and function blocks can be inserted using the Edit Wizard and
edited using the dialog 'Function/Function Block'. Both procedures are
described in this chapter. The Edit Wizard is a feature to simplify editing in
the graphical editor. It contains all functions and function blocks which can
be inserted.
The graphical programming language FBD provides many additional
features, which facilitate the creation of a program, FB or function code
body, e.g:
∗ The graphic editor provides simple keyboard operations for insertion and
scrolling (Cursor keys /CTRL Cursor keys for object mode and
SHIFT/SHIFT CTR Cursor keys for Mouse cursor mode).
∗ Duplication of inputs can be done directly via keyboard, toolbar and
menu.
∗ Negation of Inputs, Outputs, Contacts and Coils can be done directly via
keyboard, toolbar and menu.
∗ Easy auto routing for standard editing cases.
∗ Items can be inserted directly on a line or can be connected to the
inputs or outputs of present items.
∗ Splitter and overview windows are available.
∗ Freestyle editing allows to arrange items wherever you want.
∗ Double clicking on user functions and function blocks opens the
contents of the corresponding POU.
Manual
Editing in FBD
8-2
Inserting functions and function blocks using the
Edit Wizard
&
A general description of the Edit Wizard can be found in the section 'The
Edit Wizard' in chapter 'Getting started' in this manual.
In FBD worksheets the Edit Wizard contains functions and function blocks,
which can be easily inserted into the graphical language code body.
If the Edit Wizard is not visible in the workspace, perform the following
steps:
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
The following procedure describes the steps how to insert a CTU function
block into the FBD worksheet using the Edit Wizard with the mouse. It is
assumed that the Edit Wizard is visible. Otherwise, call the Edit Wizard as
described above.
Manual
Editing in FBD
8-3
8
Inserting the CTU function block using the Edit Wizard
• Click into the worksheet to set an insertion mark.
• Open the Edit Wizard list box 'Group' and select the group 'Function
blocks'. The available function blocks are displayed in the selection area
of the Wizard.
• Double click on the function block 'CTU'. The dialog 'FB Instances'
appears. The field 'FB Instances' displays the default instance name
(e.g. for a CTU the name 'CTU_n' is proposed, where n is the first
available number which is free for this instance name).
To define the name of the new FB you have the following possibilities:
∗ Enter a new instance name in the field.
∗ Accept the proposed name.
∗ Select an already existing name in the list box 'FB Instances'.
• Press 'OK' to confirm the dialog. If you have changed the instance
name, the dialog 'Automatic FB Declaration' appears. In this case enter
a comment if you want and press 'OK'.
The function block 'CTU' is automatically inserted into the worksheet
and the declaration of the function block instance is autoinserted into the
variable declaration of the POU.
With the next steps, the properties of the inserted function/function block
are edited and the element is connected to the FBD network.
&
Manual
The procedures how to change the properties of functions and function
blocks are described in the following section 'Changing the properties of
functions and function blocks'. For a description concerning the
connection of objects refer to the section 'Connecting objects' in this
chapter.
Editing in FBD
8-4
Changing the properties of functions and function
blocks
You can change the properties of any function or function block inserted
into the FBD worksheet by calling the dialog 'Function/Function Block'.
8
Calling the dialog 'Function/Function Block' for an existing
function/function block
• In the FBD worksheet click on the function or function block to be edited.
The marked object changes its color.
• Click with the right mouse button on the marked function or function
block to open the context menu for this object.
• Select the menu item 'Object properties'.
The dialog 'Function/Function Block' appears.
Figure 8-1: Dialog 'Function/Function Block'
87
Using the dialog 'Function/Function Block'
• The list boxes 'Group' and 'Name' are grayed and inactive because the
object is already created.
• Change the instance name if you want.
• Confirm the dialog.
If you have changed the instance name of a function block, the dialog
'Automatic FB Declaration' appears. Enter a comment if you want and
press 'OK' to confirm the dialog. The declaration of the function block
instance is autoinserted into the variable declaration of the POU.
Manual
Editing in FBD
8-5
Replacing functions and function blocks
To replace a specific function or function block by another, you can either
use the Edit Wizard or the dialog 'Function/Function Block'.
8
Replacing an object using the Edit Wizard
• Click on the specific object to be replaced. The marked object changes
its color.
• Replace the marked object by double clicking on a function/function
block in the selection area of the Edit Wizard as described in section
'Inserting functions and function blocks using the Edit Wizard'.
• Edit, if necessary, the new object as described in section 'Changing the
properties of functions and function blocks'.
8
Replacing an object using the dialog 'Function/Function block'
• Click on the specific object to be replaced. The marked object changes
its color.
• Click with the right mouse button on the marked object to open the
context menu. Choose 'Object properties'. The dialog 'Function/Function
Block' appears with the list boxes 'Group' and 'Name' grayed.
• Click on the check box 'Replace FB/FU'. The list boxes 'Group' and
'Name' become active.
• Define the new object to be inserted by selecting the required entries in
the list boxes 'Group' and 'Name'. An instance name is proposed by the
system.
• Continue editing the new object as described in section 'Changing the
properties of functions and function blocks'.
Inserting variables
For inserting variables in a FBD worksheet you have two possibilities:
∗ Inserting a variable which has already been declared as described in the
section 'Declaring variables' in the chapter 'Literals, data types and
variables'.
∗ Inserting and declaring a new variable.
Variables can be inserted anywhere in the FBD worksheet or directly
connected to an input/output (formal parameter) of functions or function
blocks.
Manual
Editing in FBD
8-6
For the next steps let us assume, that you want to insert a variable directly
connected to the formal parameter 'PV' of the function block 'CTU'. This
variable has not yet been declared.
8
Inserting a variable at the formal parameter 'PV' with the mouse
• Click on the formal parameter 'PV' to mark it. The
marked input changes its color.
• Click on the icon 'Variable' in the toolbar.
The dialog 'Variable' appears.
7
Inserting a variable at the formal parameter 'PV' with the keyboard
• Press the cursor keys to mark the formal parameter
'PV'.
• Press <F5>.
The dialog 'Variable' appears.
Figure 8-2: Dialog 'Variable'
87
Using the dialog 'Variable'
• Enter the variable name 'VAR1'.
• Confirm the dialog.
The dialog 'Automatic Variables Declaration' appears.
Manual
Editing in FBD
8-7
Figure 8-3: Dialog 'Automatic Variables Declaration'
87
Using the dialog 'Automatic Variables Declaration'
• Choose a variable keyword in the list box 'Usage'.
• Enter a location in the field 'AT' if you want to declare a located variable
(only possible in programs or for global variables).
• Choose the correct data type in the field 'Data type'.
• If required, enter an initial value.
• Mark the checkbox 'PDD' if the variable should be stored in the
ProConOS PDD (Process Data Directory), i.e. is intended to be used
with IEC 61131-5 communication function blocks.
• Mark the checkbox 'CSV' if the variable should be stored in the CSV file,
i.e. is intended to be used with the OPC Server. The OPC Server
processes only variables, which are declared in the CSV file, in order to
be used in an OPC client process (e. g. a visualization).
• Enter a comment if you want.
• Confirm the dialog.
The new variable is inserted in the code body worksheet and the
declaration of the variable is autoinserted in the variable declaration of
the POU.
When inserting variables, which have already been declared
before, the name of the variable appears in the list box of the
dialog 'Variable'. Confirming the dialog, the variable is directly
inserted in the code body worksheet. The dialog 'Automatic
Variables Declaration' does not appear.
Manual
Editing in FBD
8-8
&
Detailed information about the OPC Server can be found in the 'OPC
Server Manual'.
Connecting objects
If you have inserted functions, function blocks or variables into your
worksheet, you have to connect them to create a legal FBD network. To
connect objects in a FBD network you have the following possibilities:
∗ connecting objects using the connection mode
∗ connecting objects by drag & drop with the mouse
∗ connecting objects while inserting a new object
The connection mode can be used to connect all objects which have free
connection points. Connection points are represented as green and blue
dots. It is also possible to connect a new line to an existing one using the
connection mode.
Objects can be linked only using a horizontal line. So your line
should start at a connection point of an object and move away
from the object in a horizontal way.
While connecting inputs and outputs of functions and function blocks the
program provides an auto routing feature. Auto routing means that the
program will determine the routing of the connection line between two free
connection points automatically. In this case there is no need to mark any
corner.
Auto routing is only available if you connect an input to an output
or vice versa. If you create a feedback or the connection starts at
a connection line, auto routing is not possible.
For the following procedures let us assume that you want to connect the
function block 'CTU' with the function 'ADD'.
8
Connecting a function block output to a function input using the
connection mode with auto routing
• Click on the icon 'Connect objects' in the toolbar.
A symbol for a connection is added to the cursor.
During the connection mode, the icon appears
'pressed'.
• Click on the output of the function block 'CTU', which
you want to connect.
Manual
Editing in FBD
8-9
• Move the mouse to the input of the function 'ADD'
you want to connect. The connection line is displayed
red. If the program recognizes the desired connection
point, the line is routed automatically and the color of
the line changes to green.
• Click on the input.
The new connection line is auto rooted and inserted
automatically.
8
Connecting two objects using the connection mode without auto
routing
• Click on the icon 'Connect objects' in the toolbar.
A symbol for a connection is added to the cursor.
During the connection mode, the icon appears
'pressed'.
• Click at the point where you want to start drawing the
line.
• Move the mouse to the object you want to connect.
• Click with the left mouse button to mark a corner if
you want.
• Click at the point where you want the line to end.
8
Connecting two objects by drag & drop with the mouse
• Click on the function 'ADD' and keep the mouse button pressed.
• Move the mouse towards the function block 'CTU' so that the connection
points overlap.
• Release the mouse button.
The connection is set.
• If required, move either the function or the function block to a vacant
position.
Figure 8-4: Function and function block before establishing the connection
Manual
Editing in FBD
8-10
Figure 8-5: The connection is set
Figure 8-6: The function is moved to a vacant position.
The connection is routed automatically.
You can also connect a function or function block to another function or
function block by marking an output parameter and then inserting the
object as described in the following procedure.
8
Connecting an object to a new function/function block while inserting
• Click on the output 'CV' of the function block 'CTU', before the function
'ADD' is inserted. The marked output changes its color.
• Insert the new function 'ADD' using the Edit Wizard as described in the
section 'Inserting functions and function blocks using the Edit Wizard'.
The connection between the highlighted output 'CV' and the first input of
the 'ADD' function is established automatically.
• If required, move either the function or the function block to a vacant
position.
Manual
Editing in FBD
8-11
Figure 8-7: The output 'CV' of the FB 'CTU' is defined to
be one end of the connection before the 'ADD' function is
inserted
Figure 8-8: The connection is established automatically
when the new 'ADD' function has been inserted
Figure 8-9: The function is moved to a vacant position.
The connection is routed automatically.
Manual
Editing in FBD
8-12
Negation of inputs and outputs
Using the graphic editor, it is easy to negate and to toggle the negation of
inputs or outputs of functions and function blocks. There are several
possibilities to negate a FP (Formal Parameter). They are described in this
section using the output Q1 of an RS function block as an example.
8
Negating a formal parameter 'Q1' using the mouse
• Click on the formal parameter 'Q1' to mark it. The
marked output changes its color.
• Click on the icon 'Toggle negation of FP' in the
toolbar.
The output is shown with a circle as negation symbol.
To toggle the negation, just perform the described
steps again for the same output.
7
Negating a formal parameter 'Q1' with the keyboard
• Press the cursor keys to select the formal parameter
'Q1'. The marked output changes its color.
• Press the shortcut <SHIFT> + <F5>.
The output is shown with a circle as negation symbol.
To toggle the negation, just perform the described
steps again for the same output.
Manual
Editing in FBD
8-13
Duplicating inputs of functions
The program allows to duplicate inputs of extensible functions. Using this
feature you can add as many inputs to an extensible function as required
for your application.
It is only possible to duplicate the last input of a function.
For the following example let us assume that you want to duplicate the
input of the extensible function 'ADD'.
8
Duplicating an input of the function 'ADD' with the mouse
• Click on the last input of the function. The marked
input changes its color.
• Click on the icon 'Duplicate FP' in the toolbar.
The new input is added below the previously selected
input.
7
Duplicating an input of the function 'ADD' with the keyboard
• Press the cursor keys to select the last input. The
marked input changes its color.
• Press <CTRL> + <F5>.
The new input is added below the previously selected
input.
Manual
Editing in FBD
8-14
Editing in LD
This chapter provides information
about...
o
calling the graphic editor with a LD
worksheet
o
networks, contacts, coils and power
rails
o
inserting contacts and coils
o
inserting serial contacts and coils
o
inserting parallel contacts and coils
o
using the LD branch edit mode
o
changing the properties of contacts
and coils
o
inserting variables
o
calling functions or function blocks
using the Edit Wizard
Manual
Editing in LD
Editing in LD
Calling the graphic editor with a LD worksheet
The first step before editing a LD code body worksheet is to call the
graphic editor with the LD worksheet, using the project tree.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
As an example, let us assume that you want to edit the LD worksheet of a
function block which is called 'LD_FB'. For that purpose you first have to
insert a function block with this name as it is described in the chapter
'Editing the project structure'. Keep in mind, that the programming
language of the worksheet is determined by the POU language. It is set by
inserting the POU respectively the worksheet.
8
Calling the graphic editor for the LD code body worksheet
with the mouse
• If the desired worksheet icon is not visible in the
project tree, open the corresponding subtree,
containing the POU worksheets. For this purpose
double click on the POU name (e.g. 'LD_FB').
• Double click on the icon 'Worksheet in LD' of the
function block 'LD_FB'.
The graphic editor with the LD worksheet appears.
Manual
Editing in LD
9-1
7
Calling the graphic editor for the LD code body worksheet
with the keyboard
• If the desired worksheet icon is not visible in the
project tree, open the 'LD_FB' subtree, containing the
POU worksheets as follows: Press <â> or <á> to
highlight the function block 'LD_FB'. Press <→> to
open the function block subtree.
• Press <â> or <á> to mark the icon 'Worksheet in
LD' of the function block 'LD_FB'.
• Press <↵>.
The graphic editor with the LD worksheet appears.
LD networks, contacts, coils and power rails
A code body programmed in the graphic language LD is composed of
contacts and coils. According to IEC 61131-3 different types of contacts
and coils can be used:
Symbol
Name
Description
-- | | --
Normally open contact
The Boolean value is copied from
the left to the right if the state of
the associated variable is ON.
-- | / | --
Normally closed
contact
The Boolean value is copied from
the left to the right if the state of
the associated variable is OFF.
-- ( ) --
Coil
The Boolean value is copied from
the left to the right and to the
associated variable.
-- ( / ) --
Negated coil
The Boolean value is copied from
the left to the right. The negated
Boolean value is copied to the
associated variable.
-- ( S ) --
SET coil
The Boolean value is copied from
the left to the right. The
associated variable is set if the
left link is TRUE.
-- ( R ) --
RESET coil
The Boolean value is copied from
the left to the right. The
associated variable is reset if the
left link is TRUE.
Figure 9-1: Table of contacts and coils in LD
Manual
Editing in LD
9-2
Contacts and coils are connected by lines and are bound on the left and on
the right with power rails. The state of the left power rail is considered ON
all the time. The right power rail is optional.
In addition to the serial connections of contacts and coils parallel branches
can be created. Parallel branches are also called wired-ORs.
The set of connected objects is called a LD network. Every LD network
shall contain at least one contact, one coil and a left power rail.
Variables in LD used with contacts and coils are always Boolean variables.
While inserting contacts or coils the variable name can be entered. The
variable name is displayed above the contact or coil in the worksheet.
In LD code bodies comments can be inserted using asterisks and
parentheses.
The following figure shows an example for a simple LD network.
Figure 9-2: Example of a LD network
The example network consists of a left and right power rail which limits the
LD network to the left and to the right. In the middle you can see two
contacts and one coil connected with horizontal connection lines. The first
contact, called the normally open contact, passes the incoming value from
the left to the right if the value of variable 'var1' is TRUE. The second
contact passes the incoming value if the value of the variable 'var2' is
FALSE. The coil stores the incoming value to the linked variable 'var3'.
For compiling your worksheet it is necessary to declare the
variables as described in chapter 'Literals, data types and
variables'.
In LD code body worksheets it is possible to insert FBD elements
manually or using the Edit Wizard. The required steps are
described in the section 'Calling functions or function blocks
using the Edit Wizard' in this chapter.
Manual
Editing in LD
9-3
Inserting contacts and coils
For the next steps let us assume that you have already inserted a LD
function block called 'LD_FB' as it is described in the chapter 'Editing the
project structure'. Assuming furthermore that you want to insert a LD
network with four contacts in a first step.
8
Inserting a first LD network with the mouse
• Click into the worksheet to set an insertion mark.
• Click on the icon 'Contact network' in the toolbar.
A first LD network with one contact and one coil is
inserted.
7
Inserting a first LD network with the keyboard
• Press <SPACE> to set an insertion mark.
• Press <F6>.
A first LD network with one contact and one coil is inserted.
Your screen should look like the following figure:
Figure 9-3: First LD network inserted
Manual
Editing in LD
9-4
Inserting serial contacts and coils
For inserting more contacts and coils you can use the icons 'Contact left',
'Contact right' and 'Coil right' in the toolbar or the corresponding menu
items or keyboard shortcuts. For the next steps let us assume that you
want to insert one more serial contact in your LD network.
8
Inserting more serial contacts with the mouse
• Click on the contact 'C000' to mark it.
• Click on the icon 'Add contact right' in the toolbar.
The new contact 'C002' is inserted to the right of the
marked contact.
7
Inserting more serial contacts with the keyboard
• Press the cursor keys to mark the contact 'C000'.
• Press <F7>.
The new contact 'C002' is inserted to the right of the marked contact.
Figure 9-4: First LD network with inserted new contact 'C002'
Manual
Editing in LD
9-5
Inserting parallel contacts or coils
Up to now only serial LD networks have been considered. In LD it is also
possible to edit parallel branches or the so called Wired-ORs. For the next
steps let us assume that you want to insert a branch parallel to contact
'C002' in the LD network described in the previous section.
8
Inserting a parallel branch with the mouse
• Click on the contact 'C002' to mark it.
• Click on the icon 'Add contact/coil below' to insert a
parallel branch below contact 'C002'.
Or:
• Click on the icon 'Add contact/coil above' to insert a
parallel branch above contact 'C002'.
In both cases the new contact 'C003' is inserted.
7
Inserting a parallel branch with the keyboard
• Press the cursor keys to mark the contact 'C002'.
• Press <CTRL> + <F7> to insert a contact below contact 'C002'.
The new contact 'C003' is inserted.
Your screen should look like the following figure now:
Figure 9-5: LD network with a parallel branch
Manual
Editing in LD
9-6
Using the LD branch edit mode
For inserting new branches the LD branch edit mode is provided. The LD
branch edit mode allows to create complex branch structures rapidly. It is
used in existing LD networks. Before using the LD branch edit mode you
first have to insert a network with at least one contact or coil.
For the next description let us assume that you want to insert another
parallel contact.
8
Inserting a parallel branch with the mouse
• Click on the icon 'Insert LD branch' in the toolbar. A
symbol for a LD branch is added to the cursor. While
the LD branch edit mode is active, the icon appears
'pressed' in the toolbar.
• Click on a link between two objects where you want
to start your parallel branch (see step 1. in the figure
below).
• Move the mouse up or downwards to a free position
(see step 2. in the figure below).
• Click the left mouse button at the position where you
want to place the new object.
• Move the mouse to the desired end of the parallel
branch (see step 3. in the figure below).
• Click the left mouse button to set the connection.
1.
3.
2.
Figure 9-6: LD network with a parallel branch, inserted in LD branch edit mode
Manual
Editing in LD
9-7
Changing the properties of contacts and coils
Having inserted all objects in your LD worksheet you may change the
properties of the elements. You probably want to change normally open
contacts into normally closed contacts or coils into SET coils etc. For
changing the types of contacts and coils several icons in the toolbar can be
used. You get a short description text to the corresponding function of any
icon, if you position the mouse cursor on the particular icon (without
clicking it). Additionally the status bar displays the function of any icon.
For the next steps let us assume that you want to change one contact into
a normally closed contact.
8
Changing the properties of a contact with the mouse
• Click on a contact to mark it.
• Click on the icon 'Normally closed contact' in the
toolbar.
The contact type is changed.
7
Changing the properties of a contact with the keyboard
• Press the cursor keys to mark a contact.
• Press <SHIFT> + <F7> to toggle the contact properties.
The contact type is changed.
When toggling the properties of a coil, the various coil types (coil,
negated coil, set coil and reset coil) are toggled.
8
Changing the properties of a contact using the dialog 'Contact/Coil'
• Double click on the contact to be changed.
The dialog 'Contact/Coil' appears.
Manual
Editing in LD
9-8
Figure 9-7: Dialog 'Contact/Coil'
87
Using the dialog 'Contact/Coil'
• In the list box 'Type' choose the required contact type.
• Enter a name for the variable if you want.
• Confirm the dialog.
The dialog 'Automatic Variables Declaration' appears.
Figure 9-8: Dialog 'Automatic Variables Declaration'
Manual
Editing in LD
9-9
87
Using the dialog 'Automatic Variables Declaration'
• Choose a variable keyword in the list box 'Usage'.
• Enter a location in the field 'AT' if you want to declare a located variable
(only possible in programs or for global variables).
• Choose the correct data type in the field 'Data type'.
• If required, enter an initial value.
• Mark the checkbox 'PDD' if the variable should be stored in the
ProConOS PDD (Process Data Directory), i.e. is intended to be used
with IEC 61131-5 communication function blocks.
• Mark the checkbox 'CSV' if the variable should be stored in the CSV file,
i.e. is intended to be used with the OPC Server. The OPC Server
processes only variables, which are declared in the CSV file, in order to
be used in an OPC client process (e. g. a visualization).
• Enter a comment if you want.
• Confirm the dialog.
The new variable is inserted in the code body worksheet and the
declaration of the variable is autoinserted in the variable declaration of
the POU.
When inserting variables, which have already been declared
before, the name of the variable appears in the list box of the
dialog 'Variable'. Confirming the dialog, the variable is directly
inserted in the code body worksheet. The dialog 'Automatic
Variables Declaration' does not appear.
&
Detailed information about the OPC server can be found in the 'OPC
Server Manual'.
If you have done all steps of the programming example your screen should
look like the following figure:
Figure 9-9: LD network with changed properties
Manual
Editing in LD
9-10
Inserting variables
While inserting contacts and coils the graphic editor uses a place holder for
the name of the variable. These place holders start with the letter 'C'
followed by a number. In most cases you don't want to use these place
holders but your own variable names. In these cases you have to do the
same steps as described in the section 'Changing the properties of
contacts and coils' of this chapter.
The first step to do is calling the dialog 'Contact/Coil' by double clicking on
the contact or coil. In this dialog you first have to choose if you want to use
a local or global variable by activating the corresponding radio button. If the
variable is already declared, you may just select it in the listbox. If it is not
declared you can enter a name for the new variable. The dialog 'Automatic
Variables Declaration' appears. In both cases the variable name is
displayed in the LD worksheet after confirming the dialog. If necessary the
variable declaration is inserted automatically in the variable worksheet of
the POU.
Calling functions or function blocks using the Edit
Wizard
In a LD network also functions and function blocks can be called.
Functions and function blocks are represented as FBD elements,
i.e. LD and FBD elements are mixed in LD code body
worksheets.
You can insert a function or a function block anywhere in the worksheet
and connect it later or you can insert it directly in an existing LD network. In
this case the function or function block will be directly connected to the
network.
The most comfortable way to insert a FBD function or function block into
the LD worksheet is to use the Edit Wizard.
&
A general description of the Edit Wizard can be found in the section 'The
Edit Wizard' in chapter 'Getting started' in this manual.
If the Edit Wizard is not visible in the workspace, perform the following
steps:
Manual
Editing in LD
9-11
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
As an example, let us assume that you want to insert the function block
'CTU' connected to an existing LD network consisting of a left and a right
power rail, a contact and a coil.
8
Inserting the function block CTU into an existing LD network
using the Edit Wizard
• Click on a contact in the LD network to mark it.
• Open the Edit Wizard list box 'Group' and select the group 'Function
blocks'. The available function blocks are displayed in the selection area
of the Wizard.
• Double click on the function block 'CTU'. The dialog 'FB Instances'
appears. The field 'FB Instances' displays the default instance name
(e.g. for a CTU the name 'CTU_n' is proposed, where n is the first
available number which is free for this instance name).
To define the name of the new FB you have the following possibilities:
∗ Enter a new instance name in the field.
∗ Accept the proposed name.
∗ Select an already existing name in the list box 'FB Instances'.
• Press 'OK' to confirm the dialog. If you have entered a new instance
name, the dialog 'Automatic FB Declaration' appears.
• Enter a comment if you want and press 'OK' to confirm the dialog. The
function block 'CTU' is inserted automatically into the LD network.
7
Inserting the function block CTU into an existing LD network
with the keyboard
• Press the cursor keys to mark a contact in the LD network.
• Press <ALT> + <3> to activate the Edit Wizard.
• Press the <TAB> key to activate the list box 'Group' in the Edit Wizard.
Then press the cursor keys to browse through the available functions
and function blocks and select the group 'Function blocks'.
• Press the <TAB> key to activate the selection area and mark the
function block 'CTU' with the cursor keys.
Manual
Editing in LD
9-12
• Press <↵>. The dialog 'FB Instances' appears. The field 'FB Instances'
displays the default instance name (e.g. for a CTU the name 'CTU_n' is
proposed, where n is the first available number which is free for this
instance name).
To define the name of the new FB you have the following possibilities:
∗ Enter a new instance name in the field.
∗ Accept the proposed name.
∗ Select an already existing name in the list box 'FB Instances'.
• Press <↵> to confirm the dialog. If you have entered a new instance
name, the dialog 'Automatic FB Declaration' appears.
• Enter a comment if you want and press <↵> to confirm the dialog. The
function block 'CTU' is automatically inserted into the LD network.
Your screen should look like the following figure now:
Figure 9-10: LD network with function block 'CTU'
The unconnected formal parameters of the function block can be
connected to other contacts, coils or variables.
&
Manual
The steps to edit an inserted FBD function or function block are described
in the section 'Changing the properties of functions and function blocks' in
the chapter 'Editing in FBD'.
Editing in LD
9-13
Editing in SFC
This chapter provides information
about...
o
calling the graphic editor with a SFC
worksheet
o
SFC networks
o
inserting SFC networks and branches
o
inserting variables for actions and
transitions
Manual
o
calling functions
o
action and transition details
Editing in SFC
Editing in SFC
Calling the graphic editor with a SFC worksheet
The first step before editing a SFC code body worksheet is to call the
graphic editor with the SFC worksheet, using the project tree.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
As an example, let us assume that you want to edit the SFC worksheet of a
program which is called SFC_PROG. Therefore you first have to insert a
program with this name as it is described in the chapter 'Editing the project
structure'.
8
Calling the graphic editor for the SFC code body worksheet
with the mouse
• If the desired worksheet icon is not visible in the
project tree, open the corresponding subtree,
containing the POU worksheets. For this purpose
double click on the POU name (e.g. 'SFC_PROG').
• Double click on the icon 'Worksheet in SFC' of the
program 'SFC_PROG'.
The graphic editor with the SFC worksheet appears.
Manual
Editing in SFC
10-1
7
Calling the graphic editor for the SFC code body worksheet
with the keyboard
• If the desired worksheet icon is not visible in the
project tree, open the 'SFC_PROG' subtree,
containing the POU worksheets as follows: Press
<â> or <á> to highlight the program 'SFC_PROG'.
Press <→> to open the subtree.
• Press <â> or <á> to mark the icon 'Worksheet in
SFC' of the program 'SFC_PROG'.
• Press <↵>.
The graphic editor with the SFC worksheet appears.
Introduction to SFC
A code body programmed in SFC is composed of steps and transitions
which are connected by directed links.
One or several action blocks can be associated to a step. While the step is
active the associated action is executed according to the action qualifier.
The action can be a boolean variable. It is also possible to define code to
be executed in an additional code body worksheet i.e. detail. In this case
the name of the code body worksheet has to be used as the name for the
action. An action representing a detail appears in green, an action
representing a variable appears in red.
A transition represents the condition when execution moves from one step
to another. If a transition becomes TRUE the preceding step is executed
once again and the succeeding step becomes active. The transition can be
either a boolean variable or a directly connected boolean expression in
FBD or LD. It is also possible to define code to be executed in an additional
code body worksheet i.e. detail. In this case the name of the code body
worksheet has to be used as the name for the transition. A transition
representing a direct connection is displayed like a normal transition but
with a green connection point.
A set of connected objects is called SFC network. A SFC network must
always have one initial step which is the first step to be executed after a
cold start or warm start. An initial step is represented by a rectangle with a
double line. All steps are represented in blue.
Simultaneous or alternative branches can be inserted in the SFC network.
In SFC code bodies comments can be inserted using asterisks and
parentheses. Additionally it is possible to insert FBD or LD elements into a
SFC worksheet. For this purpose, you can use the Edit Wizard, as
described in the chapters 'Editing in FBD' or 'Editing in LD'.
Manual
Editing in SFC
10-2
Inserting a first SFC network
For the next descriptions let us start with a simple SFC network. In this first
example you may insert a SFC network with one step, one transition and
one action block.
8
Inserting a SFC network with the mouse
• Click into the worksheet to set an insertion mark.
• Click on the icon 'Create step transition sequence'.
A SFC network with one step and one transition is
inserted.
7
Inserting a SFC network with the keyboard
• Press <SPACE> to set an insertion mark.
• Press <F8>.
A SFC network with one step and one transition is inserted.
Your worksheet should look like the following figure:
Initial step
Action block
Transition
Figure 10-1: SFC network with one step and one transition
The figure shows a SFC network with one initial step (S001), the
corresponding action block (A001) and one transition (T001).
Manual
Editing in SFC
10-3
Inserting more steps and transitions
Let us assume that you want to insert three more steps and transitions into
your SFC network.
To keep the legal network, steps and transitions are always
inserted in pairs.
8
Inserting more steps and transitions with the mouse
• Click on the step, the new transition and step will
succeed.
• Click on the icon 'Insert step transition sequence'.
Another transition and step is inserted between the
marked step and the next transition.
• Repeat the steps for two additional step and
transition pairs.
If you mark a transition instead of a step and you insert a new
step-transition-sequence, the new step and transition is inserted
below the marked transition.
7
Inserting more steps and transitions with the keyboard
• Press the cursor keys to mark the step, the new transition and step will
succeed.
• Press <F8>.
Another transition and step is inserted after the marked step.
• Repeat the steps for two additional step and transition pairs.
If you mark a transition instead of a step and you insert a new
step-transition-sequence, the new step and transition is inserted
below the marked transition.
Your screen should look like the following figure now:
In the following sample network, three new step-transitionsequences were inserted by marking step S001 and then
pressing the icon/shortcut three times. Thus, the new sequences
are inserted between step S001 and transition T001.
Manual
Editing in SFC
10-4
Figure 10-2: SFC network with four steps
Manual
Editing in SFC
10-5
Changing an initial step into a normal step or vice
versa
Your first inserted step is an initial step. For the next sections let us
assume that you want the second step to be the initial step. Therefore you
have to change the first step into a normal step and the second step into
an initial step. In the following section it is described how to change the
initial step into a normal step.
8
Changing an initial step into a normal step with the mouse
• Double click on the initial step.
The dialog 'Step' appears.
7
Changing an initial step into a normal step with the keyboard
• Press the cursor keys to move to the position of the
initial step.
• Press <↵>.
The dialog 'Step' appears.
Figure 10-3: Dialog 'Step'
87
Using the dialog 'Step'
• Deactivate the checkbox 'Initial step'.
• Confirm the dialog.
Manual
Editing in SFC
10-6
Inserting alternative branches
Alternative branches mean that either one or another transition becomes
true and only one of the branches is executed. For the next description let
us assume that you want to insert an alternative branch following step
S002.
8
Inserting alternative branches with the mouse
• Click on step S002 to mark it.
• Click on the icon 'Insert Simultaneous/Alternative
Branches' in the toolbar.
The dialog 'Divergence' appears.
7
Inserting alternative branches with the keyboard
• Press the cursor keys to move to the position of step S002.
• Press <CTRL> + <F8>.
The dialog 'Divergence' appears.
Figure 10-4: Dialog 'Divergence'
87
Using the dialog 'Divergence'
• The value in the field 'Branch Count' determines, how many branches
are inserted below the marked step. In our example, you can confirm
the dialog with the default value.
Your screen should look like the following figure:
Manual
Editing in SFC
10-7
Symbol for beginning of
alternative branches
(divergence)
New inserted alternative branches.
While S002 is active, T007 and
T008 are evaluated. The first
transition, which becomes TRUE,
triggers S006 to be active.
Step S006 was inserted with the
new branches.
Figure 10-5: SFC network with 2 alternative branches
Manual
Editing in SFC
10-8
Inserting simultaneous branches
Simultaneous branches are branches where steps and their action blocks
are executed simultaneously. For the next description let us assume that
you want to insert a simultaneous branch following transition T004.
8
Inserting simultaneous branches with the mouse
• Click on transition T004 to mark it.
• Click on the icon 'Insert Simultaneous/Alternative
Branches' in the toolbar.
The dialog 'Divergence' appears.
7
Inserting simultaneous branches with the keyboard
• Press the cursor keys to move to the position of transition T004.
• Press <CTRL> + <F8>.
The dialog 'Divergence' appears.
Figure 10-6: Dialog 'Divergence'
87
Using the dialog 'Divergence'
• The value in the field 'Branch Count' determines, how many branches
are inserted below the marked transition. In our example, you can
confirm the dialog with the default value.
Your screen should look like the following figure:
Manual
Editing in SFC
10-9
Simultaneous branches.
S007 and S008 become
active simultaneously, if
transition T004 is true
Double line indicates
simultaneous branches
Figure 10-7: Part of SFC network with an alternative and a simultaneous branch
Manual
Editing in SFC
10-10
Using the SFC branch edit mode
You can insert branches using the SFC branch edit mode. The SFC branch
edit mode is a comfortable tool for inserting simultaneous or for alternative
branches.
While using the SFC branch edit mode always click on an object
and not on a line.
8
Inserting an alternative branch with the mouse
• Click on the icon 'Insert SFC branch'.
A symbol for a SFC branch is added to the cursor.
During the SFC branch edit mode, the icon appears
'pressed'.
• Click with the left mouse button in the lower half of a
step to insert an alternative branch.
• Move the cursor to a free position where you want to
drop the transition symbol. Avoid collisions with other
symbols. Click the left mouse button to place the
symbol.
• Move the cursor to the step where you want to close
the branch. Click the left mouse button at this point.
The SFC branch edit mode is terminated
automatically, after the new branch is inserted. For
inserting another branch, reselect the SFC branch
edit mode by clicking on the icon again.
8
Inserting a simultaneous branch with the mouse
• Click on the icon 'Insert SFC branch'.
A symbol for a SFC branch is added to the cursor.
During the SFC branch edit mode, the icon appears
'pressed'.
• Click with the left mouse button in the upper half of a
step to insert a simultaneous branch.
• Move the cursor to a free position where you want to
drop the transition symbol. Avoid collisions with other
symbols. Click the left mouse button to place the
symbol.
• Move the cursor to the transition where you want to
close the branch. Click the left mouse button at this
point.
The SFC branch edit mode is terminated
automatically, after the new branch is inserted. For
inserting another branch, reselect the SFC branch
edit mode by clicking on the icon again.
Manual
Editing in SFC
10-11
Inserting variables for actions
In SFC it is possible to connect boolean variables to actions. According to
the action qualifier the value of the variable is set.
Please refer to your PLC documentation or to the contextsensitive Help for detailed information about the available action
qualifiers.
8
Connecting variables to action blocks with the mouse
• Click on the action block 'A004' with the right mouse button to open the
context menu.
• Select the context menu item 'Object properties'.
The dialog 'Action' appears.
7
Connecting variables to action blocks with the keyboard
• Press the cursor keys to mark the action block 'A004'.
• Press <ALT> + <↵>.
The dialog 'Action' appears.
Figure 10-8: Dialog 'Action'
87
Using the dialog 'Action'
• Enter the name of the variable in the field 'Name'. For this purpose,
delete or overwrite the current entry (A004 in our example).
• Activate the radio button 'Variable'.
• Confirm the dialog.
The dialog 'Automatic Variables Declaration' appears.
Manual
Editing in SFC
10-12
Figure 10-9: Dialog 'Automatic Variables Declaration'
87
Using the dialog 'Automatic Variables Declaration'
• Choose a variable keyword in the list box 'Usage'.
• Enter a location in the field 'AT' if you want to declare a located variable
(only possible in programs or for global variables).
• Choose the correct data type in the field 'Data type'.
• If required, enter an initial value.
• Mark the checkbox 'PDD' if the variable should be stored in the
ProConOS PDD (Process Data Directory), i.e. is intended to be used
with IEC 61131-5 communication function blocks.
• Mark the checkbox 'CSV' if the variable should be stored in the CSV file,
i.e. is intended to be used with the OPC Server. The OPC Server
processes only variables, which are declared in the CSV file, in order to
be used in a OPC client process (e. g. a visualization).
• Enter a comment if you want.
• Confirm the dialog.
The new variable is inserted in the code body worksheet and the
declaration of the variable is autoinserted in the variable declaration of
the POU.
While inserting variables which have already been declared
before the name of the variable appears in the listbox of the
dialog 'Action'. Confirming the dialog, the variable is directly
inserted in the code body worksheet. The dialog 'Automatic
Variables Declaration' does not appear.
Manual
Editing in SFC
10-13
&
Detailed information about the OPC server can be found in the 'OPC
Server Manual'.
In the following figure you can see the action block with the variable name
'var2':
Figure 10-10: Action block with variable name
Inserting variables for transitions
If you want to connect a variable to a transition you have to do two main
steps. First changing the properties of the transition into a direct connection
and then inserting and connecting the variable. For the next procedures let
us assume that you want to connect a variable called 'var1' to transition
T003.
8
Changing the properties of the transition with the mouse
• Click on the transition 'T003' with the right mouse button to open the
context menu.
• Select the context menu item 'Object properties'.
The dialog 'Transition' appears.
Manual
Editing in SFC
10-14
7
Changing the properties of the transition with the keyboard
• Press the cursor keys to mark the transition 'T003'.
• Press <ALT> + <↵>.
The dialog 'Transition' appears.
Figure 10-11: Dialog 'Transition'
87
Using the dialog 'Transition'
• Activate the radio button 'Direct connection'.
• Confirm the dialog.
The transition is shown with a green connection point.
Figure 10-12: Transition, specified as direct connection with a green connection point
8
Manual
Inserting the variable with the mouse
•
Click on the transition to mark it.
•
Click on the icon 'Variable'.
The dialog 'Variable' appears.
Editing in SFC
10-15
7
Inserting the variable with the keyboard
• Press the cursor keys to mark the transition.
• Press <F5>.
The dialog 'Variable' appears.
Figure 10-13: Dialog 'Variable'
87
Using the dialog 'Variable'
• Enter a variable name.
• Confirm the dialog.
The dialog 'Automatic Variables Declaration' appears.
Figure 10-14: Dialog 'Automatic Variables Declaration'
Manual
Editing in SFC
10-16
87
Using the dialog 'Automatic Variables Declaration'
• Choose a variable keyword in the list box 'Usage'.
• Enter a location in the field 'AT' if you want to declare a located variable
(only possible in programs or for global variables).
• Choose the correct data type in the field 'Data type'.
• If required, enter an initial value.
• Mark the checkbox 'PDD' if the variable should be stored in the
ProConOS PDD (Process Data Directory), i.e. is intended to be used
with IEC 61131-5 communication function blocks.
• Mark the checkbox 'CSV' if the variable should be stored in the CSV file,
i.e. is intended to be used with the OPC Server. The OPC Server
processes only variables, which are declared in the CSV file, in order to
be used in a OPC client process (e. g. a visualization).
• Enter a comment if you want.
• Confirm the dialog.
The new variable is inserted in the code body worksheet and the
declaration of the variable is autoinserted in the variable declaration of
the POU.
While inserting variables which have already been declared
before the name of the variable appears in the listbox of the
dialog 'Variable'. Confirming the dialog, the variable is directly
inserted in the code body worksheet. The dialog 'Automatic
Variables Declaration' does not appear.
&
Detailed information about the OPC server can be found in the 'OPC
Server Manual'.
In the following figure you can see a variable connected to a transition:
Figure 10-15: Variable connected to a transition
Manual
Editing in SFC
10-17
Calling functions
Instead of variables as it has been described in the section above also
functions can be connected to transitions with direct connections. In these
cases you first have to insert the function and then connect it with the
connection point of the transition.
&
The steps how to insert and connect functions using the Edit Wizard are
described in the section 'Inserting functions and function blocks using the
Edit Wizard' in the chapter 'Editing in FBD' of this manual.
It is also possible to insert LD networks and connect them to the transition.
&
The steps how to insert contacts and coils are described in the chapter
'Editing in LD' of this manual.
Action and transition details
According to IEC 61131-3 it is possible to edit a code body for actions and
transitions instead of connecting variables. These code bodies are edited in
worksheets which you can find in the project tree below the directory nodes
for actions and transitions. For the following steps let us assume that you
have selected action A005 to be a detail.
8
Creating an action detail with the mouse
• Double click on the action block A005 in the SFC network.
The dialog 'Insert' appears.
7
Creating an action detail with the keyboard
• Press the cursor keys to mark the action block A005 in the SFC
network.
• Press <↵>.
The dialog 'Insert' appears.
Manual
Editing in SFC
10-18
Figure 10-16: Dialog 'Insert'
87
Using the dialog 'Insert'
• Choose a programming language.
• Confirm the dialog.
The worksheet is inserted in the project tree and it is opened for
immediate editing.
• Edit the code body for the action detail.
For transitions the same steps as for actions have to be done.
Manual
Editing in SFC
10-19
Compiling,
downloading and
debugging
This chapter provides information
about...
o
inserting configurations, resources and
tasks in the project tree
Manual
o
associating programs to tasks
o
compiling the project
o
patching POUs
o
downloading the project
o
calling worksheets in online mode
o
debug possibilities
Compiling, downloading and debugging
Compiling, downloading and
debugging
Inserting configurations, resources and tasks
The project tree normally has one configuration, one resource and one task
if you create a new project. It is possible to insert either new configurations,
resources or tasks using the project tree editor. The steps to be done are
almost the same independently if you are inserting configurations,
resources or tasks.
The PLC type of the configurations and the processor type of the
resources depend on the connected PLC.
For the next steps let us assume that the project already contains a
configuration and a resource and you want to insert a new resource called
'res_2' for IPC as processor type.
8
Inserting a new resource with the mouse
• Click with the right mouse button on the icon
'Resource name' in the project tree to open
the context menu.
• Select the menu item 'Insert'.
The dialog 'Insert' appears.
7
Inserting a new resource with the keyboard
• Press <â> or <á> to mark the icon
'Resource name' in the project tree.
• Press <INS>.
The dialog 'Insert' appears.
Manual
Compiling, downloading and debugging
11-1
Figure 11-1: Dialog 'Insert'
87
Using the dialog 'Insert'
• Enter 'res_2' as the name of the resource and select the desired
processor type.
• Confirm the dialog.
• Select the menu item 'PLC Settings...' in the context menu of the
resource.
The dialog 'Resource Settings...' appears.
Manual
Compiling, downloading and debugging
11-2
Figure 11-2: Dialog 'Resource Settings...'
87
Using the dialog 'Resource Settings...'
• Activate the radio button 'Simulation 1' to send the PLC program to
simulation 1 while downloading.
• If desired, change the properties of the resource.
• Activate the CSV checkboxes, if the resource variables are intended to
be used with the OPC Server. To store all global variables in the CSV
file, activate the checkbox 'All global variables'. If you want to store
variables explicitly marked as CSV variables in the CSV file, activate the
checkbox 'Marked variables'. The OPC Server processes these
variables and transfers their actual values to an OPC client (e. g. a
visualization).
• Confirm the dialog.
The resource is inserted in the project tree.
The easiest way to insert new configurations or tasks is just
marking the corresponding icon in the project tree and then
repeating the same steps as described above.
Manual
Compiling, downloading and debugging
11-3
&
Detailed information about the OPC Server are contained in the 'OPC
Server manual'.
Associating programs to tasks
If you have inserted a new resource you have to insert one or several
tasks. For the next steps let us assume that you have already inserted the
task 'DEFAULT' in 'res_2' following the steps described in the previous
section.
The next step to be done before compiling is to associate programs to
tasks. This means deciding in which task a program is processed.
8
Associating a program to a task with the mouse
• Click with the right mouse button on the task icon
in the project tree to open the context menu.
• Select the menu item 'Insert'.
The dialog 'Insert' appears
7
Associating a program to a task with the keyboard
• Press <á> or <â> to mark the task icon in the
project tree.
• Press <INS>.
The dialog 'Insert' appears.
Figure 11-3: Dialog 'Insert'
Manual
Compiling, downloading and debugging
11-4
87
Using the dialog 'Insert'
• Activate the radio button 'Program' as shown in figure 11-3.
• Enter the instance name of the program in the field 'Program instance'.
• Choose the name of the program which is contained in the list box
'Program type'.
• Confirm the dialog.
The icon of the program is inserted in the project tree.
Compiling a project
Compiling means translating and transforming the contents of the
worksheets in special code which can be executed by your PLC. The
compilation process is performed in several steps. It starts with compiling
(i.e. syntax checking) the different worksheets. During the second main
step the compiled worksheets are linked together and an intermediate IEC
code is generated. The last step generates the PLC code.
You have several possibilities for compiling either the whole project or only
parts of it. In the following list the different possibilities are described, which
are called using the menu items in the submenu 'Build' or the
corresponding icons in the toolbar.
∗ 'Make' - This is the standard mode for compiling the project when you
have finished editing. The menu item can be used to compile all
worksheets which have been edited. These worksheets are marked with
an asterisk in the project tree. After using 'Make' the PLC specific code
is generated and the project is ready for downloading to the PLC.
∗ 'Patch POU' - This menu item is used to compile changes, which have
been made e.g. after debugging a project. The changes are
automatically downloaded to the PLC, so that you can view them
immediately after switching into online mode.
∗ 'Compile worksheet' - This menu item is used to compile a single
worksheet after editing it. Choosing this menu item means, that syntax
errors within the current code body worksheet and the related variable
worksheet are going to be detected by the compiler. All detected errors
and warnings are displayed in the message window. By double clicking
on an error or warning you can open the related worksheet, where the
error was detected.
When closing a worksheet it is compiled automatically.
Using only the compiler no code is generated!
∗ 'Rebuild Project' - This menu item is used to compile the whole project
for the first time after editing. It should only be used, if 'Make' generates
compiler errors or you have unzipped your project without the front end
code.
Manual
Compiling, downloading and debugging
11-5
Using 'Rebuild Project' all worksheets are going to be compiled and
linked. Detected errors and warnings are displayed in the message
window. After the syntax checking the IEC code as well as the PLC
specific code is generated automatically. The project is then ready for
downloading to the PLC.
The compilation modes 'Make' and 'Patch POU' are described in the
following sections.
Compiling a project using 'Make'
This section describes the steps how to compile the changes you have
made in the worksheets. The other possibilities are described in the
context-sensitive Help.
Using the menu item/icon 'Make' the changed worksheets are compiled,
linked and the changed PLC code is going to be generated. After
successful execution the changed project is ready for downloading to the
PLC.
Before starting the compilation, ensure that the message window
is visible. This window displays the compilation process, any
detected errors and warnings and additional information to the
process. If the window is not visible, press <CTRL> + <F2>.
8
Compiling the changes with the mouse
• Click on the icon 'Make' in the toolbar. The
compilation process is displayed in the sheet 'Build'
of the message window. Errors and warnings
detected during compilation are logged in the
corresponding sheets of the message window.
7
Compiling the changes with the keyboard
• Press <F9>.
The compilation process is displayed in the page
'Build' of the message window. Errors and warnings
detected during compilation are logged in the
corresponding sheets of the message window.
In most cases while compiling for a first time the different compilers detect
programming errors, such as a variable name which has been used twice
or typing errors. In those cases a message appears in the sheet 'Build' of
the message window, announcing the number of detected errors and
warnings.
Manual
Compiling, downloading and debugging
11-6
Figure 11-4: Announced errors after making a project
To display the detected errors, click on the tab 'Errors' in the message
window. The error list is then shown in the message window.
Figure 11-5: Error list, displayed in the message window
In order to display the list of warnings, just click on the tab 'Warnings'.
In most cases double clicking on a displayed error/warning will open
directly the worksheet where the programming error/the reason for the
warning is occurred. The corresponding line or the object is marked. You
can also mark the error and press <F1> to get the corresponding help topic
with information about the cause of the error and what steps have to be
done now.
Having corrected the first error you can press <CTRL> + <F12>
to go directly to the worksheet with the next error.
Manual
Compiling, downloading and debugging
11-7
Patching POUs
To patch a POU means, that changes you have done while debugging a
project are compiled, the corresponding code is generated and
downloaded automatically to the PLC in one step.
If you have detected a programming error using the online mode and you
have switched to the offline mode to remove the programming error you
can use 'Patch POU' to compile these changes. The changes are
downloaded automatically so that you can view them immediately having
switched into online mode.
The following table lists the cases where Patch POU can be used.
Language
You can use Patch POU if ...
all
∗ new local variables have been inserted.
∗ you have inserted a new function call if the function has
already been called in the POU before.
∗ you have inserted a function block call if the function
block has already been instantiated in the POU before.
∗ new, empty lines has been inserted.
∗ comments have been changed or added.
∗ inserting global variables if they had already been
declared as VAR_EXTERNAL in the POU before.
∗ you have deleted variables which are not used in *.csv.
IL
∗ you have changed or inserted IL operators.
∗ you have changed the nesting level.
∗ new local variables have been declared.
ST
∗ you have changed statements or expressions.
FBD
∗ existing networks have been changed.
LD
∗ existing networks have been changed.
SFC
∗ FBD networks, LD networks or variables connected to
direct transitions have been changed.
∗ the time interval of time action qualifier has been
changed.
∗ the variable name in action blocks has been changed.
Figure 11-6: Premises for the use of the 'Patch POU' operation
If you want to use 'Patch POU' for POUs where new variables
have been added, you should activate the POU memory reserve
for Patch POU. Therefore activate the checkboxes 'Use reserve'
in the properties dialog of the POU and in the dialog 'Resource
settings'. In the dialog 'Data Area' the reserve size can be set.
Manual
Compiling, downloading and debugging
11-8
Patch POU cannot be used in the following cases:
∗ after changing string constants, user defined strings, variables, the
physical hardware and the formal parameters of functions and function
blocks (VAR_INPUT, VAR_OUTPUT and VAR_IN_OUT).
∗ after inserting new string constants, user defined strings, functions,
function block instances, global variables, POUs, libraries and CASE
statements without using the reserve.
∗ after deleting POUs or libraries.
The menu item 'Patch POU' is only available if you switch the
worksheet in offline mode by clicking on the icon 'Debug on/off'
in the toolbar.
8
Patching POUs with the mouse
• Make sure that the worksheet is the active window.
• Make sure that the worksheet is in offline mode. In
offline mode, the corresponding icon 'Debug on/off'
appears not pressed (as shown beneath).
• Edit your worksheet and correct any detected
programming errors.
• Click on the submenu 'Build' and select the menu
item 'Patch POU'.
The compilation process is started and its progress is
displayed in the message window.
Detected errors and warnings can be displayed in the
corresponding sheets of the message window.
&
Manual
The steps to display error and warning messages and to open the
corresponding worksheets are described in the previous section
'Compiling a project using Make'.
Compiling, downloading and debugging
11-9
Downloading the project
Having compiled your project using 'Make' or 'Rebuild Project' you have to
download it to the simulation or PLC. If you have patched a POU the new
generated code is downloaded automatically.
The target of the downloading process is set in the dialog
'Resource settings...'. Choose the menu item 'PLC Settings...' in
the context menu of the resource to call the dialog. You can see
to which simulation or port the PLC program is sent.
8
Downloading the project with the mouse
• Click on the icon 'Show Control Dialog' in the toolbar.
The control dialog appears directly if only one
resource is available.
If the project tree contains several resources, the
dialog 'Select resource' appears. In this case choose
the desired resource to which the project is to be
downloaded and confirm the dialog to display the
control dialog.
7
Downloading the project with the keyboard
• Press <CTRL> + <F10>.
The control dialog appears directly if only one resource is available.
If the project tree contains several resources, the dialog 'Select
resource' appears. In this case choose the desired resource to which
the project is to be downloaded and press <↵> to display the control
dialog.
Figure 11-7: Control dialog
87
Using the control dialog
• Press the button 'Download'.
The dialog 'Download' appears.
Manual
Compiling, downloading and debugging
11-10
Figure 11-8: Dialog 'Download'
87
Using the dialog 'Download'
• Press the button 'Download' in the 'Project' area.
The full project including POUs and the configuration data is
downloaded to the target.
The PLC passes into the state 'STOP', which is displayed below the title
bar in the control dialog.
• Press the button 'Cold' in the control dialog to start the program
execution.
&
Manual
Please refer to the context-sensitive Help for detailed information about
downloading.
Compiling, downloading and debugging
11-11
Calling worksheets in online mode
Having compiled and downloaded the project to the target it is possible to
call the editors in online mode for debugging the worksheets. To call the
worksheets in online mode you have the following possibilities:
∗ activate the icon 'Debug on/off' in the toolbar or press
<F10>. By activating this icon or pressing <F10> all
worksheets already opened are switched
automatically to online mode. If you open a new
worksheet from the project tree or instance tree, this
is also called in online mode. The icon 'Debug on/off'
appears pressed if online mode is switched on. Refer
also to the following note.
∗ choose the menu item 'Open instance' in the context menu of a POU in
the project tree or in the context menu of an already opened worksheet.
Refer also to the following note.
If already opened function block code bodies or program code
bodies are instantiated several times and you want to debug
these worksheets, i.e. calling in online mode by activating the
icon 'Debug on/off', a warning message appears indicating that
you have to use 'Open instance' to call these worksheets in
online mode. In this case choose the menu item 'Open instance'
in the context menu of the corresponding worksheets. Choosing
this menu item the dialog 'Open Instance' appears where you
have to choose the desired instance.
The dialog 'Open Instance' also appears if online mode is
switched on and you want to open a function block code body or
program code body from the project tree, which is instantiated
several times.
For the next steps let us assume that you want debug a textual worksheet
in online mode.
8
Calling a textual worksheet in online mode with the mouse
• If the desired worksheet is not yet opened, open the
corresponding subtree in the project tree, containing
the worksheet. For this purpose double click on the
POU name.
• Double click on the worksheet icon (e.g. 'IL'). The
worksheet is opened.
• Click on the icon 'Debug on/off'. All opened
worksheets are switched to online mode. If online
mode is switched on, the icon appears 'pressed'.
Manual
Compiling, downloading and debugging
11-12
7
Calling a textual worksheet in online mode with the keyboard
• If the desired worksheet is not yet opened, open the
corresponding subtree in the project tree, containing
the worksheet as follows: Press <á> or <â> to
highlight the POU name and press <à> to open the
subtree.
• Press <á> or <â> to mark the worksheet icon (e.g.
'IL') and then press <↵>.
The worksheet is opened.
• Press <F10>. All opened worksheets are switched to
online mode. If online mode is switched on, the icon
'Debug on/off' appears 'pressed'.
Figure 11-9: IL worksheet in online mode
In textual worksheets in online mode a gray line separates the worksheet
into two parts. On the left the online values are displayed. On the right the
code body is shown.
You can change the width of the columns by positioning the
mouse pointer on the gray separation line (when the correct
position is reached, the cursor changes to a double line),
pressing and holding the left mouse button while moving the
cursor to the left or to the right.
In the following figure an example for a graphical worksheet in online mode
is shown:
Manual
Compiling, downloading and debugging
11-13
Figure 11-10: Graphical worksheet in online mode
The colors which are used in textual and in graphical worksheets have the
following meanings:
Color
Meaning
Red
Boolean true
Blue
Boolean false
Green
integer values
Grey
a set breakpoint
Yellow
a reached breakpoint
Figure 11-11: Meaning of the colors in online mode
In graphical worksheets the way how the online values are
displayed can be changed choosing the menu item 'Online
Layout' in the submenu 'Online'.
Manual
Compiling, downloading and debugging
11-14
Switching between online and offline mode
If you have detected a programming error in any worksheet in online mode
it is possible to switch to the offline mode to correct the programming error
immediately. Having corrected the error the changes have to be compiled
and sent to the target using 'Patch POU'.
8
Switching between online and offline mode with the mouse
• Click on the icon 'Debug on/off' in the toolbar.
All opened worksheets are switched automatically to
offline mode. The icon appears not pressed if offline
mode is switched on.
• Correct the programming errors.
• Choose the menu item 'Patch POU' in the submenu
'Build'. The changes you have done are compiled and
sent to the target.
• Click on the icon 'Debug on/off' in the toolbar.
All worksheets are switched automatically to online
mode. The icon 'Debug on/off' appears pressed if
online mode is switched on.
7
Switching between online and offline mode with the keyboard
• Press <F10>.
All opened worksheets are switched automatically to offline mode. The
icon 'Debug on/off' appears not pressed if offline mode is switched on.
• Correct the programming errors.
• Press <ALT> + <F9>.
The changes you have done are compiled and sent to the target.
• Press <F10>.
All worksheets are switched automatically to online mode. The icon
'Debug on/off' appears pressed if online mode is switched on.
For information about calling function block code bodies and
program code bodies in online mode, which are instantiated
several times, refer to the previous section 'Calling worksheets in
online mode'.
Manual
Compiling, downloading and debugging
11-15
Switching to address status and powerflow
In online mode you use normally the variable status in which you can check
the behavior of the variables. In the variable status you get the values
stored in the I/O image at the end of a working cycle. But you can also
switch to the address status. The address status displays the current
values of the accumulator corresponding to the current moment of the
program execution. Having activated the address status you see also the
powerflow display. Powerflow means that it is displayed which program
parts are actually executed and which ones not. This is e.g. important for
debugging worksheets with conditional jumps.
It is not possible to switch to the address status without
powerflow. The address status and powerflow can only be used
together.
If you have opened a function worksheet in online mode the
address status with powerflow is always switched on.
8
Switching to address status and powerflow with the mouse
• Click on the submenu 'Online'.
The submenu is opened.
• Choose the menu item 'Powerflow'.
The worksheet is switched to the address status with powerflow.
In the text editor in online mode powerflow is displayed with three different
signs. The meaning of these signs is explained in the following table:
Powerflow sign
Meaning
Horizontal line
program part is not working
Vertical line
program part is working
Vertical, double line
program part is working in several
POUs
Figure 11-12: Meaning of the powerflow signs in text worksheets in online mode
In the graphic editor in online mode powerflow is displayed with colored
lines. The meaning of these lines is explained in the following table:
Powerflow sign
Meaning
Red line
True
Blue line
False
Small, horizontal line
program part is working
Small, vertical line
program part is not working
Small, vertical double line
program part is working in several
POUs
Figure 11-13: Meaning of the powerflow signs in graphic worksheets in online mode
Manual
Compiling, downloading and debugging
11-16
Forcing and overwriting variables
In online mode variables can be forced or overwritten. Forcing and
overwriting means assigning to a variable a new value. In the case of
overwriting the new value of the variable is only used for one working cycle.
Having finished this cycle the variable is processed normally. Forcing
means using the new value for the variable until the forced variable is reset
to its normal value by the user. The steps to do for forcing and overwriting
are nearly the same.
Be very careful forcing or overwriting variables while your PLC is
running. Forcing and overwriting variables mean that the PLC
program is executed with the values of the forced or overwritten
variable.
Only physical inputs and outputs can be forced.
8
Forcing variables with the mouse
• Choose the menu item 'Online dialog...' in the context menu of the
variable in your worksheet in online mode.
The dialog 'Online Debug' appears.
7
Forcing variables with the keyboard
• Press the cursor keys to go to the variable in your worksheet in online
mode.
• Press <SHIFT> and keep it pressed. Press <à> or <ß> to mark the
variable.
• Press <↵>.
The dialog 'Online Debug' appears.
Manual
Compiling, downloading and debugging
11-17
Figure 11-14: Dialog 'Online Debug'
87
Using the dialog 'Online Debug'
• Activate the radio button 'TRUE' or 'FALSE'.
If you force a non-Boolean variable the dialog includes an input field. In
this case enter the desired value.
• Press the button 'Force'.
• Confirm the dialog.
The variable is forced.
The programming system allows to reset a particular forced variable or all
forced variables at the same time.
8
Resetting forced variables
• Choose the menu item 'Online dialog...' in the context menu of the
forced variable in your worksheet in online mode.
The dialog 'Online Debug' appears as shown in figure 11-14.
• Press the button 'Reset force' to reset the marked variable.
• To reset all forced variables at the same time, press the button 'Info' in
the dialog 'Online Debug'.
The dialog 'Resource: resource name' appears.
• Activate the checkbox 'Reset forcelist' in the 'Force' area and confirm
the dialog. All forced variables are reset at the same time.
Manual
Compiling, downloading and debugging
11-18
Setting and resetting breakpoints
In online mode breakpoints can be set or reset in code body worksheets. If
a breakpoint is set the program execution halts at this point. The program
execution continues at the breakpoint if the button 'Go' in the control dialog
is pressed. To restart the program execution at the program beginning
press the button 'Restart' in the control dialog.
Be very careful using breakpoints while your PLC is running.
Breakpoints mean that the program execution is halted at the
point where the breakpoint has been set.
The behavior of the I/O's when reaching a breakpoint depends
on the PLC type.
Breakpoints cannot be set in function block instances. Setting a
breakpoint in an instance means automatically that the program
execution is halted each time when the function block is used.
8
Setting a breakpoint with the mouse
• Double click on a line or an object in your code body worksheet in online
mode.
The dialog 'Online Debug' appears.
7
Setting a breakpoint with the keyboard
• Press the cursor keys to go to the line or object in your code body
worksheet in online mode.
• Press <↵>.
The dialog 'Online Debug' appears.
Figure 11-15: Dialog 'Online Debug'
Manual
Compiling, downloading and debugging
11-19
87
Using the dialog 'Online Debug'
• Press the button 'Set'.
The breakpoint is set.
In any worksheets a set breakpoint is represented in gray, a
reached breakpoint in yellow color.
&
If you have set any breakpoints the programming system provides several
functions for debugging your PLC program. These functions are
described in the following section 'Debugging with set breakpoints'.
The programming system allows to reset a particular breakpoint or all
breakpoints at the same time.
8
Resetting breakpoints
• Double click on the line or object in your graphical worksheet in online
mode, for which a breakpoint has been set.
The dialog 'Online Debug' appears as shown in figure 11-15.
• Press the button 'Reset' to reset the breakpoint for the marked object.
• To reset all breakpoints at the same time, press the button 'Info' in the
dialog 'Online Debug'.
The dialog 'Resource: resource name' appears.
• Activate the checkbox 'Reset breakpoints' in the 'Breakpoints' area and
confirm the dialog. All breakpoints are reset at the same time.
Debugging with set breakpoints
The programming system provides a step and trace function which can be
used for debugging your PLC program. These functions allow to continue
the program execution line by line after a breakpoint has been reached.
Stepping means that if a function or a function block call is reached, the
call is stepped over, i.e. the code body of the function or function block is
not debugged. Tracing means that if a function or a function block call is
reached, the function or function block code body is opened for debugging.
Stepping and tracing is performed using the control dialog.
Stepping and tracing is only possible if a breakpoint has been
set.
For the next steps let us assume that you have set a breakpoint in a ST
code body worksheet in online mode.
Manual
Compiling, downloading and debugging
11-20
8
Stepping and tracing after a breakpoint is reached using the mouse
• If the control dialog is not visible, click on the icon
'Show Control Dialog' in the toolbar.
The control dialog appears.
7
Stepping and tracing after a breakpoint is reached using the keyboard
• If the control dialog is not visible, press <CTRL> + <F10>.
The control dialog appears.
Figure 11-16: Control dialog if a breakpoint is set
87
Using the control dialog
• Press the button 'Step' to go to the next line or object and to halt the
program execution at this point. If a function or function block call is
reached, the call is stepped over and the next line is highlighted.
• Press the button 'Trace' to go to the next line or object and to halt the
program execution at this point. If a function or function block call is
reached, the function or function block code body is opened for
debugging.
The line or the object where the program execution is halted after
pressing 'Step' or 'Trace' is highlighted in yellow color. In addition
in textual worksheets a yellow arrow is used to highlight the line
where the program execution is halted (as shown in the following
figure).
The following figure displays an example for a ST worksheet in online
mode with set breakpoint and halted program execution.
Manual
Compiling, downloading and debugging
11-21
Set breakpoint
Program is halted at
this point after using
'Step' or 'Trace'
Figure 11-17: ST worksheet in online mode with set breakpoint
Using the watch window
The watch window can be used to collect variables from different
worksheets to get an appreciation about how these variables work
together. If a variable is added once to the watch window, the associated
worksheet must not be opened to monitor the current value. Furthermore
the watch window is used to debug elements of user defined data types
such as arrays and structures.
The procedures how to debug user defined data types using the
watch window is described in the following section 'Debugging
user defined data types using the watch window'.
In the watch window you can insert and delete variables. There is no limit
for the number of variables inserted in the watch window. In addition you
can use the watch window to force and overwrite variables and to set and
reset breakpoints. This is performed by choosing the menu item 'Online
dialog...' in the context menu of a variable.
For the next description let us assume that you want to insert a variable to
the watch window. The first step to do is to call the watch window and then
to write the variable into it.
Manual
Compiling, downloading and debugging
11-22
8
Calling the watch window with the mouse
• Click on the submenu 'View'.
The submenu is opened.
• Choose the menu item 'Watch Window'.
The watch window appears.
7
Calling the watch window with the keyboard
• Press <ALT> + <V> to open the submenu 'View'.
• Press <A> to open the watch window.
The watch window is displayed as follows:
Figure 11-18: Watch window with several variables inserted
The watch window contains the following information:
∗ 'Variable': Displays the variable name. User defined data types such as
arrays and structures are marked with a '+' (as for example 'Container
States' in the above figure). To display the elements of these data types,
click on the '+' sign. Normal variables are displayed such as 'Level' in
the above example.
∗ 'Value': Displays the current value of the variable.
∗ 'Type': Displays the data type.
∗ 'Instance': Displays the instance path where the variable is used. The
path always contains the configuration, resource, task, the associated
program name and variable name.
The watch window allows to manage several pages where every page can
be used independently. The individual pages are called by clicking on the
sheet tabs at the bottom of the watch window.
Manual
Compiling, downloading and debugging
11-23
8
Inserting variables in the watch window with the mouse
• Mark the variable in the worksheet in online mode.
• Click the right mouse button to open the context menu.
• Choose the menu item 'Add to Watch Window'.
The variable is inserted in the watch window.
If you want to delete variables in the watch window, mark the
desired variable in the watch window and choose 'Delete' in the
context menu of the variable.
Debugging user defined data types using the watch
window
For debugging user defined data types such as arrays and structures the
watch window has to be used. The first step is to call the watch window and
then to write the variable being an array or a structure into it. The second
step is debugging the elements of the array or structure in the watch
window.
For the next steps let us assume that you want to debug an array of
structure. The first thing to do is to call the watch window and to insert the
variable being the array of structure as it is has been described in the
previous section 'Using the watch window' of this chapter. Figure 11-18
shows how an array of structure (e.g. 'Container States') is displayed in the
watch window. Having inserted the array of structure in the watch window
the components of the array of structure must be displayed.
8
Debugging an array of structure with the mouse
• In the watch window click on the '+' sign
associated to the array of structure.
The components of the array of structure are
displayed.
• Click on the '+' sign associated to a structure
(e.g. [0]).
The components of the structure are displayed as shown in the
following figure.
Manual
Compiling, downloading and debugging
11-24
7
Debugging an array of structure with the keyboard
• In the watch window press <á> or <â> to go
to the line with the array of structure.
Press <à> to display the components of the
array of structure.
• Press <â> to go to a structure (e.g. [0]) and
press <à> to display the components of the
structure.
The components of the structure are displayed as shown in the
following figure.
Figure 11-19: Watch window with opened array of structure
Having displayed the components of an user defined data type
you can use the watch window to force and overwrite variables
and to set and reset breakpoints. This is performed by choosing
the menu item 'Online dialog...' in the context menu of a variable
in the watch window.
&
Manual
The procedures how to force and overwrite variables and to set and reset
breakpoints are described in the sections 'Forcing and overwriting
variables' and 'Setting and resetting breakpoints' in this chapter.
Compiling, downloading and debugging
11-25
Printing your
project with a
customized
pagelayout
This chapter provides information
about...
Manual
o
printing your project
o
using the pagelayout editor
o
using preview
Printing your project with a pagelayout
Printing your project with a
customized pagelayout
Printing the project
The submenu 'File' contains the commands used to define the printer
settings, to display the preview of the current page and to print the entire
project or parts of it.
The program offers several possibilities to print your project
documentation. To set the printing options, the program provides two
dialogs:
∗ In the dialog 'Print Project' you can select the items to be printed and the
used print mode.
∗ On the page 'Default Pagelayout' in the dialog 'Options' you can define
the pagelayout which is used to print the data.
The above mentioned dialogs and the various print modes are described in
the following sections.
Controlling the print process using the dialog 'Print Project'
If you want to print only parts of your project, you first have to select the
desired folder icon in the project tree (e.g. a POU icon) before calling the
dialog 'Print Project'.
It is not possible to print libraries and worksheets in online mode.
Manual
Printing your project with a pagelayout
12-1
8
Selecting the desired folder icon (node) in the project tree
• Select the desired folders in the project tree, which you want to print.
This could be for example a single POU or the whole subtree 'Logical
POUs'. If you want to print the whole project, skip this step and proceed
with the next step.
8
Calling the dialog 'Print Project'
• Select the menu item 'Print Project' in the submenu 'File'. The dialog
'Print Project' appears as shown in the following figure.
Figure 12-1: Dialog 'Print Project'
8
Using the dialog 'Print Project'
• Select the range to be printed.
∗ 'All' means the entire project, including all subtrees in the project tree.
∗ 'Selected' means, that only the nodes which are marked in the project
tree before calling the dialog 'Print Project' are printed.
• Select the items to be printed by activating/deactivating the
corresponding checkboxes in the area 'Print'. Keep in mind, that each
checkbox relates to the marked range ('All' or 'Selected').
Example: If you mark the checkboxes 'Description Worksheet', 'Variable
Worksheet' and 'Code Worksheet' only those worksheets are going to
be printed, which are within the selected range.
Manual
Printing your project with a pagelayout
12-2
• Select the desired print mode:
∗ 'Standard' means, that each selected item is printed with the
associated default pagelayout.
In order to set the default pagelayout for the standard print mode call
the dialog 'Options', open the page 'Default Pagelayout' and edit the
fields 'Text' and 'Graphic'.
∗ 'Optimized' means that the selected items are printed with less
paper as possible. All worksheets are printed one after the other. A
new page is only used, if a new POU or a new step (in SFC) starts.
While using optimized printing a table of contents and cross
references can be printed.
The default pagelayout which is used for optimized printing is set in
the dialog 'Options' on the page 'Default Pagelayout' (list box
'Optimized Printing').
&
The steps to define a certain pagelayout as default
pagelayout for the different print modes are described in
the section 'Defining a pagelayout as default pagelayout'
in this chapter.
&
The procedures how to create and edit a pagelayout are
described in the section 'Editing a pagelayout' in this
chapter.
• If desired, change the number of copies to be printed.
• Enter another page number for the first page to be printed.
• Confirm the dialog.
The selected data are printed on the standard printer.
Defining a pagelayout as default pagelayout
You can define a pagelayout as default pagelayout (e.g. a customized
pagelayout, using the pagelayout editor). This default pagelayout is used
automatically when printing your project or parts of it. The default
pagelayout is set in the dialog 'Options'.
8
Calling the page 'Default Pagelayouts' in the dialog 'Options'
• Select the menu item 'Options' in the submenu 'Extras'.
The dialog 'Options' appears.
• Click on the tab 'Default Pagelayouts'.
Manual
Printing your project with a pagelayout
12-3
Figure 12-2: Page 'Default Pagelayouts' in the dialog 'Options'
8
Using the dialog 'Default Pagelayouts'
The page provides three list boxes used to define different default
pagelayouts. Each list box contains all pagelayouts which are stored in the
corresponding pagelayout directory. This can either be predefined layouts
(delivered with the program) or customized layouts, which you have
created using the pagelayout editor.
In figure 12-2 the customized pagelayout 'My_layout' is defined as default
pagelayout for text and graphic in standard print mode. For the print mode
'Optimized' the predefined layout 'Portrait' is selected.
• Open each list box and select the desired pagelayout.
∗ 'Text': Defines the pagelayout for textual worksheets, such as
description worksheets, variable worksheets, textual code bodies,
cross references, etc. The setting in the field 'Text' is only relevant
when using the print mode 'Standard'.
∗ 'Graphic': Defines the pagelayout for graphical worksheets, such as
code bodies in FBD, LD or SFC. The setting in the field 'Graphic' is
only relevant when using the print mode 'Standard'.
∗ 'Optimized Printing': Defines the pagelayout for text and graphic
when using the print mode 'Optimized'.
• Confirm the dialog.
Using the pagelayout editor
The pagelayout editor is a tool which allows you to create new pagelayouts
or edit existing pagelayouts.
Manual
Printing your project with a pagelayout
12-4
After saving a new pagelayout, it is stored in the corresponding directory
and can be selected as default pagelayout in the dialog 'Options'.
The first step before editing your own pagelayout is to call the pagelayout
editor.
8
Calling the pagelayout editor
• Choose the menu item 'Pagelayout Editor' in the submenu 'Extras'.
The pagelayout editor is opened.
The pagelayout editor is normally opened with the default
pagelayout.
Creating a new pagelayout
To create a new pagelayout, perform the following steps:
8
Creating a new pagelayout with the mouse
• Choose the menu item 'New' in the submenu 'File'.
The pagelayout editor with the pagelayout 'untitled' is opened.
7
Creating a new pagelayout with the keyboard
• Press <ALT> + <F>.
The submenu 'File' is opened.
• Press <N>.
The pagelayout editor with the pagelayout 'untitled' is opened.
Manual
Printing your project with a pagelayout
12-5
Figure 12-3: Pagelayout editor with a new pagelayout
Defining the source area
Having created a new pagelayout you should first define the area where
you want to place the contents of the worksheets. This area is called
'source area' and is represented with a red rectangle.
8
Defining the source area with the mouse
• Click on the icon 'Source area' in the toolbar.
A rectangle is added to the shape of the cursor.
• Place the mouse cursor to the position of one
intended source area corner.
• Press the left mouse button and keep it pressed.
• Move the mouse drawing a rectangle.
• Release the mouse button.
The source area is drawn.
Manual
Printing your project with a pagelayout
12-6
7
Defining the source area with the keyboard
• Press <S>.
A rectangle is added to the shape of the cursor.
• Press the cursor keys to move to the position of one intended source
area corner.
• Press <SPACE> and keep it pressed.
• Press the cursor keys to move to the position of the opposite corner of
the rectangle.
• Release <SPACE>.
The source area is drawn.
Figure
-4
To move the new source to another position on the page, mark it
with a left mouse click and keep the mouse button pressed.
mouse.
To change the source code area size after creating it, click on
properties...'. The dialog 'Settings source area' appears. Using
this dialog you can change the position, size and other source
Manual
Printing your project with a pagelayout
12-7
Inserting elements in your pagelayout
You can insert several elements in your pagelayout, such as rectangles,
horizontal line at the bottom of the page.
8
Inserting a line with the mouse
Click on the icon 'Line' in the toolbar.
• Press the left mouse button and keep it pressed.
Move the mouse drawing a line.
•
The line is drawn.
Inserting a line with the keyboard
•
A line is added to the shape of the cursor.
•
• Press the cursor keys to move to the position where you want the line to
• Release <SPACE>.
The ways how rectangles, texts and bitmaps can be inserted in
the pagelayout
Manual
Printing your project with a
12-
Editing environment items
Another kind of objects which can be inserted in a pagelayout are
. Environment items are place holders for e.g. page
numbers, the company name or other kind of texts. Several standard
.
Editing environment items with the mouse
•
in the toolbar.
A 'T' is added to the shape of the cursor.
Click in the editing field where you want to insert the
environment item.
7
• Press <V>.
• Press the cursor keys to go to the position where you want to insert the
• Press <SPACE>.
87
•
•
•
The place holder with the name of the item is inserted in the pagelayout.
existing items are explained in the context-sensitive Help.
To view the contents of the place holder you can use preview.
Manual
Printing your project with a
12-
Using preview
allows to get an appreciation of the appearance of your worksheet
as it would be for printing. It helps you to organize the elements on the
Preview means that the content of the active window is shown with the
with the default pagelayout.
Cross references are not displayed using preview.
8
• Make sure that the desired worksheet is the active window.
Choose the menu item 'Print Preview...' in the submenu 'File'.
Preview is called and the active worksheet is displayed.
7
Calling preview with the keyboard
Make sure that the desired worksheet is the active window.
•
The submenu 'File' is opened.
•
Preview is called and the active worksheet is displayed.
Manual
pagelayout
12 10
APPENDIX 1
Editing specific
inline code
This chapter provides information
about...
o
editing specific inline code statements
in IL
o
editing specific inline code statements
in LD
o
online monitoring of worksheets
containing specific inline code
statements
Appendix
Editing specific inline code
Editing specific inline code
General information
This appendix contains only information relevant for editing
specific inline code statements and for online monitoring of
textual and graphical worksheets containing these statements. All
procedures, which are generally applicable are described in detail
in the preceding chapters of this manual.
Specific inline code statements can be used in the textual language IL and
the graphical language LD. Specific means, that the statements are
provided by a distinct PLC manufacturer and that they are only applicable
in conjunction with this specific PLC. For compiling and linking these inline
code statements the appropriate DLLs, delivered with the programming
system are required.
In IL the specific statements are embedded in a code block, which uses the
keywords BEGIN_SPECIFIC and END_SPECIFIC to switch between the
IEC mode and the specific mode. In LD the programming system provides
a so called arithmetic box, in which the user has to enter the specific code
statements. This arithmetic box can be inserted already connected to an
existing LD network or as a single object, which has to be connected to the
LD network using the connection mode.
When editing specific code statements in LD in the arithmetic box, the
programming system provides a helpful syntax check function, which
allows to check the entered statements directly within in the arithmetic box.
If the programming system detects any errors in the syntax the
corresponding dialog box is extended automatically by a new field
containing the error and warning messages detected by the check routines.
The error handling is then equal to the error handling in the general
programming system, i.e. by double clicking on a particular error message,
the corresponding error is marked in the arithmetic box.
Appendix
Editing specific inline code
A1-1
Which information do you get in this appendix?
This appendix is divided into the following main sections:
∗ Editing specific inline code in IL - describes the necessary steps to edit
specific inline code statements in IL worksheets. It contains information
how to insert the specific keywords using the Edit Wizard and to embed
these keywords in an existing instruction list.
∗ Editing specific inline code in LD - contains information about using the
arithmetic box in LD networks, in which the specific code statements has
to be entered. The chapter describes the procedures how to insert the
arithmetic box as a single object or in an existing LD network. When
inserted as a single object, the necessary steps are explained how to
connect the arithmetic box to the LD network.
∗ Online monitoring - describes the online handling of IL and LD
worksheets, which contain specific code statements and explains how
the online values are displayed in the worksheets. Additionally the
necessary steps are described for using the watch window to monitor
the online values.
&
Appendix
All general information and procedures, which are valid for both, the
general programming and the specific code programming are described
in the preceding chapters of this manual.
Editing specific inline code
A1-2
Editing specific inline code in IL
Calling the text editor with an IL worksheet
Before editing specific inline code in IL you have to call the text editor with
the IL worksheet, using the project tree. To perform this, double click on
the POU name in the project tree to open the corresponding subtree which
contains the relevant IL worksheet. Having performed this, double click on
the icon 'Worksheet in IL' in the project tree to open the worksheet.
&
For a detailed description how to call the text editor for the IL code body
worksheet refer to section 'Calling the text editor with an IL worksheet' in
chapter 'Editing in IL'.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
Specific code blocks
In IL the keywords BEGIN_SPECIFIC and END_SPECIFIC are used to
define the code blocks containing the specific code statements. These
keywords indicate the switch between IEC mode and the specific mode.
They can be inserted by just typing them or using the Edit Wizard.
&
For a description how to insert the specific keywords using the Edit
Wizard refer to the following section 'Inserting specific code blocks using
the Edit Wizard'.
Following the start keyword BEGIN_SPECIFIC, which introduces
programming in the specific mode, the code statements has to be entered
in the usual way, i.e. the complete text editor functionality can be used
when entering the specific code. When editing specific code comments can
also be inserted using asterisks and parentheses according to editing in
IEC IL. Having entered the statements the keyword END_SPECIFIC is
required to finish the specific code block and to switch back to the IEC
mode. The following figure shows how a specific code block is defined in
an IL worksheet.
BEGIN_SPECIFIC
R1 = WX10 == WX20
R2 = WX10 < WX20
R3 = WX20 < WX10
END_SPECIFIC
(* introducing specific code *)
(* finishing specific code *)
Figure A1-1: Example of a specific code block in IL
Appendix
Editing specific inline code
A1-3
In order to execute the statements in the specific code block, a condition
must be loaded into the accumulator in the preceding IEC IL, which
decides whether the following specific code is executed or not. If the
preceding IEC IL operator returns the boolean value TRUE, the specific
statements are executed otherwise the code block is ignored.
The following figure shows an example for an instruction list with
embedded specific code statements. In this example the code statements
are executed in any case, as the preceding operator 'LD' returns the
boolean value TRUE.
LD
AND(
OR
)
ANDN
ST
LD
X2
X0
R0
R1
R0
TRUE
BEGIN_SPECIFIC
R1 = WX10 == WX20
R2 = WX10 < WX20
R3 = WX20 < WX10
END_SPECIFIC
(* introducing specific code *)
(* finishing specific code *)
Figure A1-2: Example of a specific code block embedded in an IEC IL
Inserting specific code blocks using the Edit Wizard
Specific inline code blocks can be inserted by just typing them or using the
Edit Wizard. Using the Edit Wizard simplifies editing in the text editors and
prevents from entering syntactical faults, such as wrong instruction
sequences. By applying the Edit Wizard pre-edited operators are inserted,
i.e. the structure is already completed by placeholders.
&
A general description of the Edit Wizard can be found in the section 'The
Edit Wizard' in chapter 'Getting started' in this manual.
For the next steps let us assume that you want to insert a specific code
block in an existing IL worksheet, which already contains an IEC instruction
list using the Edit Wizard. When inserting the code block, note that the
specific statements are only executed, if the preceding IEC IL operator
returns the boolean value TRUE, as already described in the previous
section.
If the Edit Wizard is not visible in the workspace, perform the following
steps:
Appendix
Editing specific inline code
A1-4
8
Calling the Edit Wizard with the mouse
• Click on the icon 'Edit Wizard' in the toolbar. The Edit
Wizard window appears.
7
Calling the Edit Wizard with the keyboard
• Press <SHIFT> + <F2>.
The Edit Wizard window appears.
If the Edit Wizard is visible, perform the following steps to insert the
specific code block using the Edit Wizard with the mouse.
8
Inserting the specific code block using the Edit Wizard
• Locate the code body position, where the new code block (including the
keywords BEGIN_SPECIFIC and END_SPECIFIC) is to be inserted.
Click the left mouse button to set a text cursor.
• Press <↵> to insert a new line.
• Open the Edit Wizard list box 'Group' and select the group 'Operators'.
The available operators are displayed in the selection area of the
Wizard.
• Locate the operator 'BEGIN_SPECIFIC'.
• Double click on the operator. The keywords BEGIN_SPECIFIC and
END_SPECIFIC are inserted automatically at the text cursor position.
The next step is to enter the specific code statements following the
keyword BEGIN_SPECIFIC.
87
Entering the specific code statements
• Position the text cursor behind the keyword BEGIN_SPECIFIC and
press <↵> to insert a new line.
• Enter the specific code statements in the usual way using the complete
text editor functionality. Note that new statements has to start always in
a new line.
The following figure shows how the specific code block is embedded in the
IEC instruction list.
Appendix
Editing specific inline code
A1-5
IEC IL code
Specific code statements
Figure A1-3: Instruction list including IEC IL code and specific code statements
Inserting and declaring variables of specific code statements
While editing the specific code statements in IL you can insert and declare
variables in the same way as already described for editing IEC IL code in
the chapter 'Editing in LD'. You can either type the variable name in the
code body worksheet and declare it afterwards in the variable worksheet of
the POU or you can insert and declare a variable while editing the code
body worksheet.
If you want to declare a variable of a specific code statement when editing
the specific code, perform the following steps:
• call the dialog 'Variable' for the desired variable by marking the variable
either with the mouse or the keyboard and clicking on the icon 'Variable'
in the toolbar or pressing <F5>.
• If you have made the required settings in the dialog 'Variable', confirm
the dialog to display the dialog 'Automatic Variables Declaration'.
• In the dialog 'Automatic Variables Declaration' define the different
parameters for the new variable, for example the data type, an initial
value etc.
• Having performed these settings, confirm the dialog 'Automatic
Variables Declaration'. The new variable declaration is then inserted
automatically in the variable declaration of the POU.
&
Appendix
For detailed information about inserting variables while editing IEC code
and using the dialogs 'Variable' and 'Automatic Variables Declaration'
refer to section 'Inserting variables' in the chapter 'Editing in IL' in this
manual.
Editing specific inline code
A1-6
Editing specific inline code in LD
Calling the graphic editor with a LD worksheet
Before editing specific inline code in LD you have to call the graphic editor
with the LD worksheet, using the project tree. To perform this, double click
on the POU name in the project tree to open the corresponding subtree
which contains the relevant LD worksheet. Having performed this, double
click on the icon 'Worksheet in LD' in the project tree to open the LD
worksheet.
&
For a detailed description how to call the graphic editor for the LD code
body worksheet refer to section 'Calling the graphic editor with a LD
worksheet' in chapter 'Editing in LD'.
&
A general description of handling the project tree and browsing through
POUs and worksheets is contained in the chapters 'Getting started' and
'Editing the project structure' in this manual.
Arithmetic box with specific inline code
Editing the specific inline code in LD is done using a specific input dialog
box, the so called arithmetic box. The statements according to the specific
code will be entered directly in this arithmetic box. It includes a text editor
functionality, which provides all standard functions of a conventional text
editor, such as copying, cutting, pasting etc. IEC comments are also
possible using parenthesis and asterisks. While editing in the arithmetic
box a maximum of 19 code and comment lines are allowed. If this
maximum number is exceeded the following code lines are cut.
An arithmetic box can be inserted already connected to an existing LD
network or as a single object. Having inserted the arithmetic box as a
single object, you can connect the box to an existing LD network using the
connection mode.
An arithmetic box can only be inserted in an existing LD network
next to the right power rail, i.e. there are no following objects
possible on the right side of the arithmetic box. If you try to insert
an arithmetic box for example between two LD objects (e.g. two
contacts) a collision message is displayed.
The specific code entered in the arithmetic box is only executed,
if the object left to the arithmetic box returns the boolean value
TRUE otherwise the specific code is ignored.
Appendix
Editing specific inline code
A1-7
A helpful tool when editing the statements in the arithmetic box is the
available syntax check function. This function allows you to check the
entered code directly within the arithmetic box. If there are no errors a box
with the message 'Check successful!' appears, otherwise the
corresponding dialog box is extended automatically by a new field
containing the error and warning messages detected by the check routines.
Double clicking on a particular message marks the related line
automatically.
Inserting an arithmetic box connected to an existing LD network
For the next steps let us assume that you have already inserted a LD
network in a LD worksheet consisting of a left and right power rail and one
contact as shown in the following figure and you want to insert an
arithmetic box connected automatically to this LD network.
Note that the specific code entered in the arithmetic box is only executed, if
the object left to the arithmetic box returns the boolean value TRUE
otherwise the specific code is ignored. This means for the following
example that contact 'C001' must return the boolean value TRUE in order
to execute the statements in the arithmetic box.
Figure A1-4: Simple LD network
&
For a detailed description how to insert a LD network and LD objects in an
existing LD network please refer to chapter 'Editing in LD' in this manual.
As already mentioned in the section before, an arithmetic box can only be
inserted next to the right power rail, i.e. there are no following objects
possible on the right side of the arithmetic box. In our example this means
that you can only insert the arithmetic box between contact 'C001' and the
right power rail.
8
Inserting an arithmetic box in an existing LD network with the mouse
• Click on the contact 'C001' to mark it.
• Click on the icon 'Create inline box' in the toolbar.
The empty dialog 'Inline Code' appears.
Appendix
Editing specific inline code
A1-8
Figure A1-5: Dialog 'Inline Code'
87
Using the dialog 'Inline Code'
• In the editing field enter the statements according to the specific code.
IEC comments are also allowed using parenthesis and asterisks.
A maximum of 19 code and comment lines are possible in the
dialog 'Inline Code'. If this maximum number is exceeded the
following code lines are cut.
• When you have finished entering the specific code, press the button
'Check' to check the syntax of the entered code. If there are no syntax
errors a box with the message 'Check successful!' appears, otherwise
the dialog box is extended automatically by a new field containing the
error and warning messages detected by the check routines. Double
clicking on a particular message in this field marks the related line
automatically in the arithmetic box.
• After editing and checking the specific statements confirm the dialog.
The arithmetic box is now inserted behind contact 'C001' in the LD
network as shown in the following figure.
The height of the arithmetic box is automatically extended in
accordance with the amount of lines. Following objects
underneath the edited arithmetic box are moved automatically.
Appendix
Editing specific inline code
A1-9
Arithmetic box with
specific code statements
Figure A1-6: LD network with inserted arithmetic box
If you want to edit the contents in the dialog 'Inline Code' just double click
on the arithmetic box in the LD network. The dialog is opened and you can
edit the statements in the usual way.
Inserting an arithmetic box as a single object
An arithmetic box can be inserted as a single object at any free position in
the LD worksheet. This is done by setting an insertion mark and using the
corresponding icon in the toolbar. Having inserted the dialog box, you have
to connect it to an existing LD network (for this procedure refer to the
following section 'Connecting an arithmetic box to a LD network'). For the
next steps let us assume that you want to insert an arithmetic box in a LD
worksheet.
8
Inserting an arithmetic box as a single object with the mouse
• Locate the position where you want to place the
arithmetic box. Click into the worksheet to set an
insertion mark.
• Click on the icon 'Create inline box' in the toolbar.
The empty dialog 'Inline Code' appears.
Figure A1-7: Dialog 'Inline Code'
Appendix
Editing specific inline code
A1-10
87
Using the dialog 'Inline Code'
• In the editing field enter the statements according to the specific code.
IEC comments are also allowed using parenthesis and asterisks.
A maximum of 19 code and comment lines are possible in the
dialog 'Inline Code'. If this maximum number is exceeded the
following code lines are cut.
• When you have finished entering the specific code, press the button
'Check' to check the syntax of the entered code. If there are no syntax
errors a box with the message 'Check successful!' appears, otherwise
the dialog box is extended automatically by a new field containing the
error and warning messages detected by the check routines. Double
clicking on a particular message in this field marks the related line
automatically in the arithmetic box.
• After editing and checking the specific statements confirm the dialog.
The arithmetic box is now inserted in the LD worksheet.
The height of the arithmetic box is automatically extended in
accordance with the amount of lines. Following objects
underneath the edited arithmetic box are moved automatically.
Connecting an arithmetic box to a LD network
If you have inserted an arithmetic box as a single object in a LD worksheet
as described in the previous section, you have to connect it to the existing
LD network in order to create a legal network. This connection is done
using the connection mode.
When connecting the arithmetic box to the LD network, note that
the specific code entered in the arithmetic box is only executed, if
the object left to the arithmetic box returns the boolean value
TRUE otherwise the specific code is ignored.
For the next step let us assume that your LD worksheet contains a simple
LD network consisting of one left and right power rail and one contact and
you want to connect the already inserted arithmetic box to this network as
shown in the following figure.
Figure A1-8: Simple LD network and arithmetic box inserted as a single object
Appendix
Editing specific inline code
A1-11
When connecting an arithmetic box to a LD network using the
connection mode, the left (green) connection point of the box
must be connected to the output of a LD object, which
represents the condition, whether the inline code is executed or
not. This means the previous LD object must return the boolean
value TRUE in order to execute the specific code statements.
When using the connection mode, objects can be linked only
using a horizontal line. So your line should start at the connection
point of the arithmetic box and move away from the box in a
horizontal way.
8
Connecting an arithmetic box to an existing LD network using the
connection mode with the mouse
• Click on the icon 'Connect objects' in the toolbar.
A symbol for a connection is added to the cursor.
• Click on the left (green) connection point of the
arithmetic box.
• Move the mouse to the output of the last object in the LD
network (in our example the output of contact 'C001').
• Click on the output (line) to insert the new connection line.
Your screen should look like the following figure now:
Figure A1-9: LD network with connected arithmetic box
As already mentioned above the right power rail is an optional object. Thus
the right connection point of the arithmetic box must not be connected to
the right power rail. Nevertheless you can connect the arithmetic box to the
right power rail as described in the following procedure.
8
Connecting an arithmetic box to the right power rail using the
connection mode with the mouse
• Click on the icon 'Connect objects' in the toolbar.
A symbol for a connection is added to the cursor.
• Click on the right (blue) connection point of the
arithmetic box.
Appendix
Editing specific inline code
A1-12
• Move the mouse to the right power rail and press the
right mouse button when the mouse pointer is
positioned on the power rail.
The connection is established and the power rail is
extended automatically as shown in the following
figure.
Figure A1-10: LD network and arithmetic box connected to the right power rail
Appendix
Editing specific inline code
A1-13
Online monitoring
Compiling and downloading the project
When you have finished editing the worksheets containing specific code
statements and you want to call these worksheets in online mode you first
have to compile the contents of the worksheets to generate the specific
PLC code. This is done by using the menu items from the submenu 'Build'.
There is no difference in compiling worksheets containing specific code
statements or not, i.e. in both cases the same functions and commands are
provided by the programming system.
&
For a detailed description about compiling a project using the several
menu items in the submenu 'Build' refer to the chapter 'Compiling,
downloading and debugging' in this chapter and to the Help system.
If you are compiling a project or parts of it containing specific code
statements for the first time, in many cases the compiler detects
programming errors. In those cases a message appears in the sheet 'Build'
of the message window, announcing the number of detected errors and
warnings. This is regardless of whether the worksheets contain specific
inline code or not. The corresponding error messages are then displayed in
the sheet 'Errors' of the message window.
According to the general error handling, you can open directly the
worksheet where the programming error is occurred by double clicking on
the error message in the sheet 'Errors'. The corresponding line or the
object is marked automatically in the worksheet.
If the specific code statements in an arithmetic box in LD
worksheets contain an error, double clicking on the error
message in the message window opens directly the arithmetic
box and the corresponding line in the box where the error was
detected is marked.
Having compiled your project using the menu items in the submenu 'Build'
and the compiler detects no errors you have to download it to the
simulation or PLC. This is performed using the dialog 'Download', which is
called from the control dialog.
&
Appendix
For a detailed description of downloading the project to the simulation or
PLC and using the control dialog and the dialog 'Download' refer to
section 'Downloading the project' in the chapter 'Compiling, downloading
and debugging' in this manual.
Editing specific inline code
A1-14
Calling worksheets in online mode and displaying online values in
IL and LD worksheets
Having compiled and downloaded the project to the target it is possible to
call the editors in online mode for displaying the online values. This is
performed using the icon 'Debug on/off' in the toolbar or the menu item
'Open instance' in the context menu of a POU in the project tree or in the
context menu of an already opened worksheet.
&
For a detailed description of calling worksheets in online mode and the
notes you have to take into account refer to section 'Calling worksheets in
online mode' in the chapter 'Compiling, downloading and debugging'.
For the next procedure let us assume that you want to display the online
values in an IL worksheet which contains specific code statements.
8
Calling an IL worksheet containing specific code statements in online
mode with the mouse
• If the desired worksheet is not yet opened, open the
corresponding subtree in the project tree, containing
the IL worksheet. For this purpose double click on the
POU name.
• Double click on the IL worksheet icon. The worksheet
is opened.
• Click on the icon 'Debug on/off'. All opened
worksheets are switched to online mode. If online
mode is switched on, the icon appears 'pressed'.
7
Calling an IL worksheet containing specific code statements in online
mode with the keyboard
• If the desired worksheet is not yet opened, open the
corresponding subtree in the project tree, containing
the IL worksheet as follows: Press <á> or <â> to
highlight the POU name and press <à> to open the
subtree.
• Press <á> or <â> to mark the IL worksheet icon and
then press <↵>.
The worksheet is opened.
• Press <F10>. All opened worksheets are switched to
online mode. If online mode is switched on, the icon
'Debug on/off' appears 'pressed'.
The following figure shows an IL worksheet in online mode, which contains
both, IEC code and specific code.
Appendix
Editing specific inline code
A1-15
IEC IL code
Specific code statements
Figure A1-11: IL worksheet with specific code statements in online mode
All textual worksheets in online mode contain a gray line, which separates
the worksheet into two parts. On the left the online values are displayed.
On the right the code body is shown.
For specific code statements the online values on the left side are
displayed in the order of the code statement variables as shown in the
above figure. This means the first online value on the left corresponds to
the first variable on the right. In the above example the value 'FALSE'
relates to the variable 'R1'.
In general up to 4 values can be displayed at once for a single
code statement line.
You can change the width of the columns by positioning the
mouse pointer on the gray separation line (when the correct
position is reached, the cursor changes to a double line),
pressing and holding the left mouse button while moving the
cursor to the left or to the right.
In the following figure an example for a LD worksheet in online mode,
which contains an arithmetic box with specific code statements is shown:
Appendix
Editing specific inline code
A1-16
Figure A1-12: Part of a LD worksheet with included arithmetic box in online mode
If you want to display the online values of the specific code statements in
an arithmetic box, you have to move and position the mouse cursor onto a
particular line of the arithmetic box. Subsequently a tooltip is displayed
containing several values according to the content of the line, i.e. the
amount of data and the order they are displayed in.
In the following figure, the mouse has been placed on the second line of
the arithmetic box. The tooltip values correspond to the PLC values in the
order of displayed data, i.e. the first value 'TRUE' relates to the variable
'R2' in the second arithmetic box code line. The values in the tooltip are
continuously updated, if the mouse cursor is not moved.
Appendix
Editing specific inline code
A1-17
Figure A1-13: Part of a LD worksheet in online mode with online values displayed in the
tooltip of the arithmetic box
In general up to 4 values can be displayed at once for a single
code statement line.
&
Appendix
For further information about displaying the online values and the
used colors in textual and graphical worksheets refer to section
'Calling worksheets in online mode' in the chapter 'Compiling,
downloading and debugging'.
Editing specific inline code
A1-18
PRELIMINARY
APPENDIX 2
Compiling,
downloading,
debugging and
uploading
This chapter provides information
about...
o
inserting configurations, resources and
tasks in the project tree
o
associating programs to tasks
o
compiling the project
o
patching POUs
o
downloading the project
o calling worksheets in online mode
o debug possibilities
o uploading the project
Appendix 2
Compiling, downloading, debugging and uploading
PRELIMINARY
Compiling, downloading,
debugging and uploading
Inserting configurations, resources and tasks
The project tree normally has one configuration and one resource (and one
DEFAULT task in case of an IPC_30 simulator) if you create a new project.
It is possible to insert either new configurations, resources or tasks using
the project tree editor. The steps to be done are almost the same
independently if you are inserting configurations, resources or tasks.
The PLC type of the configurations and the processor type of the
resources depend on the connected PLC.
The configuration name and the resource name are fixed in case
of a HIDIC PLC.
For the next steps let us assume that the project contains no configuration
nor resource and you want to insert a new configuration ‘Conf_HIDIC’ and
a resource called ‘RES_EH150' for HIDIC EH-150 PLC as processor type.
8
Inserting a new configuration with the mouse
• Click with the right mouse
button on the icon ‘Physical
Hardware’ in the project tree to
open the context menu.
• Select the menu item 'Insert'.
The dialog 'Insert' appears.
Appendix 2
Compiling, downloading and debugging and uploading A2-1
PRELIMINARY
7
Inserting a new configuration with the keyboard
• Press <â> or <á> to mark the
icon ‘Physical Hardware’ in the
project tree.
• Press <INS>.
The dialog 'Insert' appears.
Figure A2-1: Dialog 'Insert'
87
Using the dialog 'Insert'
• Enter 'Conf_HIDIC' as the name of the configuration and select ‘HIDIC’
as the PLC type.
• Confirm the dialog.
The configuration is inserted in the project tree.
8
Inserting a new resource with the mouse
• Click with the right mouse
button on the icon 'Configuration
name' in the project tree to
open the context menu.
• Select the menu item 'Insert'.
The dialog 'Insert' appears.
Appendix 2
Compiling, downloading and debugging and uploading A2-2
PRELIMINARY
7
Inserting a new resource with the keyboard
• Press <â> or <á> to mark the
icon 'Configuration name' in the
project tree.
• Press <INS>.
The dialog 'Insert' appears.
Figure A2-2: Dialog 'Insert'
87
Using the dialog 'Insert'
• Enter 'RES_EH150' as the name of the resource and select ‘EH150’ as
the processor type.
• Confirm the dialog.
The resource is inserted in the project tree.
• Select the menu item 'Settings...' in the context menu of the resource.
The dialog 'Resource Settings for HIDIC' appears.
Appendix 2
Compiling, downloading and debugging and uploading A2-3
PRELIMINARY
Figure A2-3: Dialog 'Resource Settings for HIDIC'
87
Using the dialog 'Resource Settings for HIDIC'
• Activate the radio button 'Self' to send the PLC program to directly
connected PLC while downloading. If you want to send the PLC
program to other PLC, activate the radio button ‘Other’ and choose the
Loop No. and Station No, from the pull down menus.
• Activate the radio button 'RS232C' you use to connect your PC to the
PLC and choose the COM port and the baud rate from the pull down
menus. If you want to use Ethernet, activate the radio button ‘Ethernet’
fill the hostname of the PLC and the port No.
• Confirm the dialog.
Appendix 2
Compiling, downloading and debugging and uploading A2-4
PRELIMINARY
8
Configuring other parameters for a resource with ‘Resource
Configuration’ dialog
• Double click with left mouse button on the icon ‘Resource Configuration’
in the project tree.
Then the ‘Resource Configuration’ dialog opens.
Figure A2-4: Dialog ‘Resource Configuration’
87
Using the dialog 'I/O Configuration'
• Click with left mouse button on the ‘I/O Configuration’ button in the
‘Resource Configuration’ dialog to open the ‘I/O Configuration’ dialog.
• Choose which PLC’s I/Os of you want to configure from the ‘Type’
menu. You can choose from STANDARD (= the PLC directly connected
to the PC which this software runs) and Remote Master PLC 1to 4.
• Fill the necessary slots with I/O modules by double-clicking each slot
and choosing the correct I/O module from the menu on the dialog ‘SLOT
assignment.’
• Confirm the dialog.
Appendix 2
Compiling, downloading and debugging and uploading A2-5
PRELIMINARY
Figure A2-5: Dialog ‘I/O Configuration’
87
Using the dialog ‘CPU settings’
• Click with left mouse button on the ‘Memory Allocation’ button in the
‘Resource Configuration’ dialog to open the ‘CPU settings’ dialog.
• Choose the correct memory size from the ‘Memory Allocation’ buttons.
• Set the retain areas on each memory areas if needed.
• Confirm the dialog.
For more detailed information on memory allocation, see your
PLC’s application manual.
Appendix 2
Compiling, downloading and debugging and uploading A2-6
PRELIMINARY
Figure A2-6: Dialog ‘CPU settings’
87
Using the dialog ‘Operation parameters’
• Click with left mouse button on the ‘Operation parameters’ button in the
‘Resource Configuration’ dialog to open the ‘CPU settings’ dialog.
• Set each operation parameter.
• Confirm the dialog.
Figure A2-7: Dialog ‘Operation parameters’
Appendix 2
Compiling, downloading and debugging and uploading A2-7
PRELIMINARY
For more detailed information on these parameters, see your
PLC’s application manual.
8
Inserting a new task with the mouse
• Click with the right mouse
button on the icon ‘Tasks’ in the
project tree to open the context
menu.
• Select the menu item 'Insert'.
The dialog 'Insert' appears.
7
Inserting a new task with the keyboard
• Press <â> or <á> to mark the
icon ‘Tasks’ in the project tree.
• Press <INS>.
The dialog 'Insert' appears.
Figure A2-8: Dialog 'Insert'
Appendix 2
Compiling, downloading and debugging and uploading A2-8
PRELIMINARY
87
Using the dialog 'Insert'
• Enter the task name and select the task type.
• Confirm the dialog.
If you choose ‘CYCLIC’ or ‘EVENT’ as the task type, you will need to set
more parameters according to the task type setting dialog.
The easiest way to insert new configurations, resources or tasks
is just marking the corresponding icon in the project tree and
then repeating the same steps as described above.
Associating programs to tasks
If you have inserted a new resource you have to insert one or several
tasks. For the next steps let us assume that you have already inserted the
task 'DEFAULT' in ‘RES_EH150' following the steps described in the
previous section.
The next step to be done before compiling is to associate programs to
tasks. This means deciding in which task a program is processed.
8
Associating a program to a task with the mouse
• Click with the right mouse button
on the task icon in the project tree
to open the context menu.
• Select the menu item 'Insert'.
The dialog 'Insert' appears
7
Associating a program to a task with the keyboard
• Press <á> or <â> to mark the
task icon in the project tree.
• Press <INS>.
The dialog 'Insert' appears.
Appendix 2
Compiling, downloading and debugging and uploading A2-9
PRELIMINARY
Figure A2-9: Dialog 'Insert'
87
Using the dialog 'Insert'
• Activate the radio button 'Program' as shown in figure A2-5.
• Enter the instance name of the program in the field 'Program instance'.
• Choose the name of the program which is contained in the list box
'Program type'.
• Confirm the dialog.
The icon of the program is inserted in the project tree.
Compiling a project
Compiling means translating and transforming the contents of the
worksheets in special code which can be executed by your PLC. The
compilation process is performed in several steps. It starts with compiling
(i.e. syntax checking) the different worksheets. During the second main
step the compiled worksheets are linked together and an intermediate IEC
code is generated. The last step generates the PLC code.
You have several possibilities for compiling either the whole project or only
parts of it. In the following list the different possibilities are described, which
are called using the menu items in the submenu 'Build' or the
corresponding icons in the toolbar.
∗ 'Make' - This is the standard mode for compiling the project when you
have finished editing. The menu item can be used to compile all
worksheets which have been edited. These worksheets are marked with
an asterisk in the project tree. After using 'Make' the PLC specific code
is generated and the project is ready for downloading to the PLC.
Appendix 2
Compiling, downloading and debugging and uploading A2-10
PRELIMINARY
∗ 'Patch POU' - This menu item is used to compile changes, which have
been made e.g. after debugging a project. The changes are
automatically downloaded to the PLC, so that you can view them
immediately after switching into online mode.
∗ 'Compile worksheet' - This menu item is used to compile a single
worksheet after editing it. Choosing this menu item means, that syntax
errors within the current code body worksheet and the related variable
worksheet are going to be detected by the compiler. All detected errors
and warnings are displayed in the message window. By double clicking
on an error or warning you can open the related worksheet, where the
error was detected.
When closing a worksheet it is compiled automatically.
Using only the compiler no code is generated!
∗ 'Rebuild Project' - This menu item is used to compile the whole project
for the first time after editing. It should only be used, if 'Make' generates
compiler errors or you have unzipped your project without the front end
code.
Using 'Rebuild Project' all worksheets are going to be compiled and
linked. Detected errors and warnings are displayed in the message
window. After the syntax checking the IEC code as well as the PLC
specific code is generated automatically. The project is then ready for
downloading to the PLC.
The compilation modes 'Make' and 'Patch POU' are described in the
following sections.
Compiling a project using 'Make'
This section describes the steps how to compile the changes you have
made in the worksheets. The other possibilities are described in the
context-sensitive Help.
Using the menu item/icon 'Make' the changed worksheets are compiled,
linked and the changed PLC code is going to be generated. After
successful execution the changed project is ready for downloading to the
PLC.
Before starting the compilation, ensure that the message window
is visible. This window displays the compilation process, any
detected errors and warnings and additional information to the
process. If the window is not visible, press <CTRL> + <F2>.
8
Compiling the changes with the mouse
• Click on the icon 'Make' in the toolbar. The
compilation process is displayed in the sheet 'Build'
of the message window. Errors and warnings
detected during compilation are logged in the
corresponding sheets of the message window.
Appendix 2
Compiling, downloading and debugging and uploading A2-11
PRELIMINARY
7
Compiling the changes with the keyboard
• Press <F9>.
The compilation process is displayed in the page
'Build' of the message window. Errors and warnings
detected during compilation are logged in the
corresponding sheets of the message window.
In most cases while compiling for a first time the different compilers detect
programming errors, such as a variable name which has been used twice
or typing errors. In those cases a message appears in the sheet 'Build' of
the message window, announcing the number of detected errors and
warnings.
Figure A2-10: Announced errors after making a project
To display the detected errors, click on the tab 'Errors' in the message
window. The error list is then shown in the message window.
Figure A2-11: Error list, displayed in the message window
In order to display the list of warnings, just click on the tab 'Warnings'.
In most cases double clicking on a displayed error/warning will open
directly the worksheet where the programming error/the reason for the
warning is occurred. The corresponding line or the object is marked. You
can also mark the error and press <F1> to get the corresponding help topic
with information about the cause of the error and what steps have to be
done now.
Having corrected the first error you can press <CTRL> + <F12>
to go directly to the worksheet with the next error.
Appendix 2
Compiling, downloading and debugging and uploading A2-12
PRELIMINARY
Patching POUs
To patch a POU means, that changes you have done while debugging a
project are compiled, the corresponding code is generated and
downloaded automatically to the PLC in one step.
If you have detected a programming error using the online mode and you
have switched to the offline mode to remove the programming error you
can use 'Patch POU' to compile these changes. The changes are
downloaded automatically so that you can view them immediately having
switched into online mode.
The following table lists the cases where Patch POU can be used.
Language
You can use Patch POU if ...
all
∗ new local variables have been inserted.
∗ new, empty lines has been inserted.
∗ comments have been changed or added.
∗ inserting global variables if they had already been
declared as VAR_EXTERNAL in the POU before.
∗ you have deleted variables.
IL
∗ you have changed or inserted IL operators.
∗ you have changed the nesting level.
∗ new local variables have been declared.
ST
∗ you have changed statements or expressions.
FBD
∗ existing networks have been changed.
LD
∗ existing networks have been changed.
SFC
∗ LD networks or variables connected to direct transitions
have been changed.
∗ the time interval of time action qualifier has been
changed.
∗ the variable name in action blocks has been changed.
Figure A2-12: Premises for the use of the 'Patch POU' operation
Appendix 2
Compiling, downloading and debugging and uploading A2-13
PRELIMINARY
Patch POU cannot be used in the following cases:
∗ after changing the physical hardware and the formal parameters of
functions and function blocks (VAR_INPUT, VAR_OUTPUT and
VAR_IN_OUT).
∗ after inserting functions, function block instances, global variables,
POUs and libraries
∗ after deleting POUs or libraries.
The menu item 'Patch POU' is only available if you switch the
worksheet in offline mode by clicking on the icon 'Debug on/off'
in the toolbar.
8
Patching POUs with the mouse
• Make sure that the worksheet is the active window.
• Make sure that the worksheet is in offline mode. In
offline mode, the corresponding icon 'Debug on/off'
appears not pressed (as shown beneath).
• Edit your worksheet and correct any detected
programming errors.
• Click on the submenu 'Build' and select the menu
item 'Patch POU'.
The compilation process is started and its progress is
displayed in the message window.
Detected errors and warnings can be displayed in the
corresponding sheets of the message window.
&
Appendix 2
The steps to display error and warning messages and to open the
corresponding worksheets are described in the previous section
'Compiling a project using Make'.
Compiling, downloading and debugging and uploading A2-14
PRELIMINARY
Downloading the project
Having compiled your project using 'Make' or 'Rebuild Project' you have to
download it to the simulation or PLC. If you have patched a POU the new
generated code is downloaded automatically.
The target of the downloading process is set in the dialog
'Resource settings...'. Choose the menu item 'PLC Settings...' in
the context menu of the resource to call the dialog. You can see
to which simulation or port the PLC program is sent.
8
Downloading the project with the mouse
• Click on the icon 'Show Control Dialog' in the toolbar.
The control dialog appears directly if only one
resource is available.
If the project tree contains several resources, the
dialog 'Select resource' appears. In this case choose
the desired resource to which the project is to be
downloaded and confirm the dialog to display the
control dialog.
7
Downloading the project with the keyboard
• Press <CTRL> + <F10>.
The control dialog appears directly if only one resource is available.
If the project tree contains several resources, the dialog 'Select
resource' appears. In this case choose the desired resource to which
the project is to be downloaded and press <↵> to display the control
dialog.
Figure A2-13: Control dialog
Appendix 2
Compiling, downloading and debugging and uploading A2-15
PRELIMINARY
87
Using the control dialog
• Press the button 'Download'.
The full project including POUs and the configuration data is
downloaded to the target.
The PLC passes into the state 'STOP', which is displayed below the title
bar in the control dialog.
• Press the button 'Cold' in the control dialog to start the program
execution.
&
Appendix 2
Please refer to the context-sensitive Help for detailed information about
downloading.
Compiling, downloading and debugging and uploading A2-16
PRELIMINARY
Calling worksheets in online mode
Having compiled and downloaded the project to the target it is possible to
call the editors in online mode for debugging the worksheets. To call the
worksheets in online mode you have the following possibilities:
∗ activate the icon 'Debug on/off' in the toolbar or press
<F10>. By activating this icon or pressing <F10> all
worksheets already opened are switched
automatically to online mode. If you open a new
worksheet from the project tree or instance tree, this
is also called in online mode. The icon 'Debug on/off'
appears pressed if online mode is switched on. Refer
also to the following note.
∗ choose the menu item 'Open instance' in the context menu of a POU in
the project tree or in the context menu of an already opened worksheet.
Refer also to the following note.
If already opened function block code bodies or program code
bodies are instantiated several times and you want to debug
these worksheets, i.e. calling in online mode by activating the
icon 'Debug on/off', a warning message appears indicating that
you have to use 'Open instance' to call these worksheets in
online mode. In this case choose the menu item 'Open instance'
in the context menu of the corresponding worksheets. Choosing
this menu item the dialog 'Open Instance' appears where you
have to choose the desired instance.
The dialog 'Open Instance' also appears if online mode is
switched on and you want to open a function block code body or
program code body from the project tree, which is instantiated
several times.
For the next steps let us assume that you want debug a textual worksheet
in online mode.
8
Calling a textual worksheet in online mode with the mouse
• If the desired worksheet is not yet opened, open the
corresponding subtree in the project tree, containing
the worksheet. For this purpose double click on the
POU name.
• Double click on the worksheet icon (e.g. 'IL'). The
worksheet is opened.
• Click on the icon 'Debug on/off'. All opened
worksheets are switched to online mode. If online
mode is switched on, the icon appears 'pressed'.
Appendix 2
Compiling, downloading and debugging and uploading A2-17
PRELIMINARY
7
Calling a textual worksheet in online mode with the keyboard
• If the desired worksheet is not yet opened, open the
corresponding subtree in the project tree, containing
the worksheet as follows: Press <á> or <â> to
highlight the POU name and press <à> to open the
subtree.
• Press <á> or <â> to mark the worksheet icon (e.g.
'IL') and then press <↵>.
The worksheet is opened.
• Press <F10>. All opened worksheets are switched to
online mode. If online mode is switched on, the icon
'Debug on/off' appears 'pressed'.
Figure A2-14: IL worksheet in online mode
In textual worksheets in online mode a gray line separates the worksheet
into two parts. On the left the online values are displayed. On the right the
code body is shown.
You can change the width of the columns by positioning the
mouse pointer on the gray separation line (when the correct
position is reached, the cursor changes to a double line),
pressing and holding the left mouse button while moving the
cursor to the left or to the right.
In the following figure an example for a graphical worksheet in online mode
is shown:
Appendix 2
Compiling, downloading and debugging and uploading A2-18
PRELIMINARY
Figure A2-15: Graphical worksheet in online mode
The colors which are used in textual and in graphical worksheets have the
following meanings:
Color
Meaning
Red
Boolean true
Blue
Boolean false
Green
integer values
Grey
a set breakpoint
Yellow
a reached breakpoint
Figure A2-16: Meaning of the colors in online mode
In graphical worksheets the way how the online values are
displayed can be changed choosing the menu item 'Online
Layout' in the submenu 'Online'.
Appendix 2
Compiling, downloading and debugging and uploading A2-19
PRELIMINARY
Switching between online and offline mode
If you have detected a programming error in any worksheet in online mode
it is possible to switch to the offline mode to correct the programming error
immediately. Having corrected the error the changes have to be compiled
and sent to the target using 'Patch POU'.
8
Switching between online and offline mode with the mouse
• Click on the icon 'Debug on/off' in the toolbar.
All opened worksheets are switched automatically to
offline mode. The icon appears not pressed if offline
mode is switched on.
• Correct the programming errors.
• Choose the menu item 'Patch POU' in the submenu
'Build'. The changes you have done are compiled and
sent to the target.
• Click on the icon 'Debug on/off' in the toolbar.
All worksheets are switched automatically to online
mode. The icon 'Debug on/off' appears pressed if
online mode is switched on.
7
Switching between online and offline mode with the keyboard
• Press <F10>.
All opened worksheets are switched automatically to offline mode. The
icon 'Debug on/off' appears not pressed if offline mode is switched on.
• Correct the programming errors.
• Press <ALT> + <F9>.
The changes you have done are compiled and sent to the target.
• Press <F10>.
All worksheets are switched automatically to online mode. The icon
'Debug on/off' appears pressed if online mode is switched on.
For information about calling function block code bodies and
program code bodies in online mode, which are instantiated
several times, refer to the previous section 'Calling worksheets in
online mode'.
Appendix 2
Compiling, downloading and debugging and uploading A2-20
PRELIMINARY
Overwriting variables
In online mode variables can be overwritten. Overwriting means assigning
to a variable a new value. The new value of the variable is only used for
one working cycle. Having finished this cycle the variable is processed
normally.
Be very careful overwriting variables while your PLC is running.
Overwriting variables mean that the PLC program is executed
with the values of the overwritten variable.
8
Overwriting variables with the mouse
• Choose the menu item 'Online dialog...' in the context menu of the
variable in your worksheet in online mode.
The dialog 'Online Debug' appears.
7
Overwriting variables with the keyboard
• Press the cursor keys to go to the variable in your worksheet in online
mode.
• Press <SHIFT> and keep it pressed. Press <à> or <ß> to mark the
variable.
• Press <↵>.
The dialog 'Online Debug' appears.
Figure A2-17: Dialog 'Online Debug'
87
Using the dialog 'Online Debug'
• Activate the radio button 'TRUE' or 'FALSE'.
If you force a non-Boolean variable the dialog includes an input field. In
this case enter the desired value.
Appendix 2
Compiling, downloading and debugging and uploading A2-21
PRELIMINARY
• Press the button 'Overwrite'.
• Confirm the dialog.
The variable is overwritten.
Setting and resetting breakpoints
“Setting and resetting breakpoints” is not supported.
Debugging with set breakpoints
“Debugging with set breakpoints” is not supported.
Using the watch window
The watch window can be used to collect variables from different
worksheets to get an appreciation about how these variables work
together. If a variable is added once to the watch window, the associated
worksheet must not be opened to monitor the current value. Furthermore
the watch window is used to debug elements of user defined data types
such as arrays and structures.
The procedures how to debug user defined data types using the
watch window is described in the following section 'Debugging
user defined data types using the watch window'.
In the watch window you can insert and delete variables. There is no limit
for the number of variables inserted in the watch window. In addition you
can use the watch window to force and overwrite variables and to set and
reset breakpoints. This is performed by choosing the menu item 'Online
dialog...' in the context menu of a variable.
For the next description let us assume that you want to insert a variable to
the watch window. The first step to do is to call the watch window and then
to write the variable into it.
Appendix 2
Compiling, downloading and debugging and uploading A2-22
PRELIMINARY
8
Calling the watch window with the mouse
• Click on the submenu 'View'.
The submenu is opened.
• Choose the menu item 'Watch Window'.
The watch window appears.
7
Calling the watch window with the keyboard
• Press <ALT> + <V> to open the submenu 'View'.
• Press <A> to open the watch window.
The watch window is displayed as follows:
Figure A2-18: Watch window with several variables inserted
The watch window contains the following information:
∗ 'Variable': Displays the variable name. User defined data types such as
arrays and structures are marked with a '+' (as for example 'Container
States' in the above figure). To display the elements of these data types,
click on the '+' sign. Normal variables are displayed such as 'Level' in
the above example.
∗ 'Value': Displays the current value of the variable.
∗ 'Type': Displays the data type.
∗ 'Instance': Displays the instance path where the variable is used. The
path always contains the configuration, resource, task, the associated
program name and variable name.
The watch window allows to manage several pages where every page can
be used independently. The individual pages are called by clicking on the
sheet tabs at the bottom of the watch window.
Appendix 2
Compiling, downloading and debugging and uploading A2-23
PRELIMINARY
8
Inserting variables in the watch window with the mouse
• Mark the variable in the worksheet in online mode.
• Click the right mouse button to open the context menu.
• Choose the menu item 'Add to Watch Window'.
The variable is inserted in the watch window.
If you want to delete variables in the watch window, mark the
desired variable in the watch window and choose 'Delete' in the
context menu of the variable.
Appendix 2
Compiling, downloading and debugging and uploading A2-24
PRELIMINARY
Uploading the project
You have the possibility to upload the project residing on the memory of the PLC.
The target of the uploading process is set in the dialog 'Resource
settings...'. Choose the menu item 'PLC Settings...' in the context
menu of the resource to call the dialog.
All POUs and tasks in your project you are now editing will be
lost after uploading process. Make the backup copy of your
current project before uploading. Uploading to the new blank
project may be a good idea.
8
Uploading the project with the mouse
• Click on the icon 'Show Control Dialog' in the toolbar.
The control dialog appears.
7
Uploading the project with the keyboard
• Press <CTRL> + <F10>.
The control dialog appears.
Figure A2-19: Control dialog
87
Using the control dialog
• Press the button 'Upload'.
The project on the PLC is uploaded and a POU including the program is
generated in the project tree.
Appendix 2
Compiling, downloading and debugging and uploading A2-25
PRELIMINARY
The uploaded program is a raw ladder program including some
commands for controlling tasks for special purpose only . Be
careful to reuse the uploaded program.
&
Appendix 2
For more detailed information on these special commands, see your
PLC’s application manual.
Compiling, downloading and debugging and uploading A2-26
PRELIMINARY
APPENDIX 3
Directly Represented
Variables Supported
by HIDIC PLCs
Appendix 3
Directly Represented Variables Supported by HIDIC PLCs
PRELIMINARY
Directly Represented Variables Supported by HIDIC PLCs
For further information, see the HIDIC PLC manuals.
Location
External
Inputs
Bit
Byte
Word
External
Outputs
Double
word
Bit
Byte
Word
Internal
Memory
Double
word
Bit
Byte
Word
Double
word
CPU
Link
area
Bit
Byte
Word
Double
word
*1
Directly Represented Variables
IEC Standard
HIDIC Specific
%I(X)0.[0-5].[0-10].[0-95]
%X0[0-5][0-A][00-95]
%I(X)[1-4].[0-5].[0-10].[0-95]
%X[1-4][0-9][0-9][00-95]
%IB0.[0-5].[0-10].[0-7]
(Not Supported)
%IB[1-4].[0-9].[0-9].[0-7]
(Not Supported)
%IW0.[0-5].[0-10].[0-7]
%WX0[0-5][0-A][0-7]
%IW[1-4].[0-9].[0-9].[0-7]
%WX[1-4][0-9][0-9][0-7]
%ID0.[0-5].[0-10].[0-6]
%DX0[0-5][0-A][0-6]
%ID[1-4].[0-9].[0-9].[0-6]
%DX[1-4][0-9][0-9][0-6]
%Q(X)0.[0-5].[0-10].[0-95]
%Y0[0-5][0-A][00-95]
%Q(X)[1-4].[0-5].[0-10].[0-95] %Y[1-4][0-9][0-9][00-95]
%QB0.[0-5].[0-10].[0-7]
(Not Supported)
%QB[1-4].[0-9].[0-9].[0-7]
(Not Supported)
%QW0.[0-5].[0-10].[0-7]
%WY0[0-5][0-A][0-7]
%QW[1-4].[0-9].[0-9].[0-7]
%WY[1-4][0-9][0-9][0-7]
%QD0.[0-5].[0-10].[0-6]
%DY0[0-5][0-A][0-6]
%QD[1-4].[0-9].[0-9].[0-6]
%DY[1-4][0-9][0-9][0-6]
%MX0.[0-1023].[0-15]
%XM[000-3FF][0-F]
%MX1.0.[0-2047]
%R[000-7FF]
%MB0.[0-1023]
(Not Supported)
%MB1.[0-50175]
(Not Supported)
%MB2.[0-511]
(Not Supported)
%MW0.[0-1023]
%WM[000-3FF]
%MW1.[0-50175]*1
%WR0[0000-C3FF]*1
%MW2.[0-511]
%WRF[000-1FF]
%MD0.[0-1022]
%DM[000-3FE]
*1
%MD1.[0-50174]
%DR0[0000-C3FE]*1
%MD2.[0-510]
%DRF[000-1FE]
%MX3.[0-1023].[0-15]
%L0[000-3FF][0-F]
%MX4.[0-1023].[0-15]
%L1[000-3FF][0-F]
%MB3.[0-1023]
(Not Supported)
%MB4.[0-1023]
(Not Supported)
%MW3.[0-1023]
%WL0[000-3FF]
%MW4.[0-1023]
%WL1[000-3FF]
%MD3.[0-1022]
%DL0[000-3FE]
%MD4.[0-1022]
%DL1[000-3FE]
HIDIC Conventional
Address Format
X0[0-5][0-A][00-95]
X[1-4][0-9][0-9][00-95]
(Not Supported)
(Not Supported)
WX0[0-5][0-A][0-7]
WX[1-4][0-9][0-9][0-7]
DX0[0-5][0-A][0-6]
DX[1-4][0-9][0-9][0-6]
Y0[0-5][0-A][00-95]
Y[1-4][0-9][0-9][00-95]
(Not Supported)
(Not Supported)
WY0[0-5][0-A][0-7]
WY[1-4][0-9][0-9][0-7]
DY0[0-5][0-A][0-6]
DY[1-4][0-9][0-9][0-6]
M[000-3FF][0-F]
R[000-7FF]
(Not Supported)
(Not Supported)
(Not Supported)
WM[000-3FF]
WR[0000-C3FF]*1
WRF[000-1FF]
DM[000-3FE]
DR0[0000-C3FE]*1
DRF[000-1FE]
L0[000-3FF][0-F]
L1[000-3FF][0-F]
(Not Supported)
(Not Supported)
WL0[000-3FF]
WL1[000-3FF]
DL0[000-3FE]
DL1[000-3FE]
The area depends on PLC models
Appendix 3
Directly Represented Variables Supported by HIDIC PLCs A3-1
PRELIMINARY
APPENDIX 4
IEC 61131-3
COMPLIANCE List
for Pro-H 1.0 Kernel
and PLC-Simulation
based on ProConOS
3.0 and HIDIC PLCAdaptation
Appendix 4
IEC 61131-3 COMPLIANCE LIST
PRELIMINARY
IEC 61131-3 COMPLIANCE LIST for Pro-H 1.0 Kernel and PLCSimulation based on ProConOS 3.0 and HDIC PLC-Adaptation
Legend
ü
-Pro-H
Version
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Appendix 4
Supported by ProConOS or HIDIC PLC
Not supported by ProConOS or HIDIC PLC
Feature
2.1.1 Table 1 Character set
1
Windows character set
2
Lower case characters
3a
Number sign (#)
4a
Dollar sign ($)
5a
Vertical bar (|)
6a
left and right brackets "[ ]"
2.1.2 Table 2 Identifier features
1
Upper case and numbers
2
Upper and lower case, numbers, embedded
underlines
3
Upper and lower case, numbers, leading or
embedded underlines
2.1.5 Table 3 Comments
2.2.1 Table 4 Numeric literals
1
Integer literals
2
Real literals
3
Real literals with exponents
4
Base 2 literals
5
Base 8 literals
6
Base 16 literals
7
Boolean zero and one
8
Boolean FALSE and TRUE
2.2.2 Table 5 Character string literal features Feature 1
2.2.2 Table 6 Two-character combinations in character strings
2
Dollar sign
3
Single quote
4
Line feed
5
Newline
6
Formfeed (page)
7
Carriage return
8
Tab
2.2.3.1 Table 7 Duration literal features
1a
Short prefix without underlines
1b
Long prefix without underlines
2a
Short prefix with underlines
2b
Long prefix with underlines
2.2.3.2 Table 8 Date and time of day literals
1
DATE#
2
D#
3
TIME_OF_DAY#
4
TOD#
5
DATE_AND_TIME#
6
DT#
2.2.3.2 Table 9 Examples of date and time of day literals
ProConOS
(Simulator)
HIDIC
PLC
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
--
ü
ü
----
---
ü
ü
ü
ü
ü
--
--------
--------
ü
ü
ü
ü
-----
--------
--------
IEC 61131-3 COMPLIANCE LIST A4-1
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
Appendix 4
2.3.1 Table 10 Elementary data types
1
BOOL
2
SINT
3
INT
4
DINT
6
USINT
7
UINT
8
UDINT
10
REAL
12
TIME
13
DATE
14
TIME_OF_DAY / TOD
15
DATE_AND_TIME / DT
16
STRING
17
BYTE
18
WORD
19
DWORD
2.3.3.2 Table 12 Data type declaration feature
1
Direct derivation from elementary types
2
Enumerated data types
3
Subrange data types
4
Array data types
5
Structured data types
2.3.3.2 Table 13 Default initial values
- target dependent
2.4.1.1 Table 15 Directly represented variables
1
Input location
2
Output location
3
Memory location
4
Single bit size (Prefix X)
5
Single bit size (Prefix None)
6
Byte (8 bits) size
7
Word Size
8
Double word (32 bits) size
2.4.3 Table 16 Variable declaration keywords
VAR
VAR_INPUT
VAR_OUTPUT
VAR_IN_OUT
VAR_EXTERNAL
VAR_GLOBAL
AT
RETAIN
ü
ü
ü
ü
ü
ü
ü
ü
ü
---ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
------ü
ü
ü
----
ü
ü
------
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
--
IEC 61131-3 COMPLIANCE LIST A4-2
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
1.0
2.4.3.1 Table 17 Variable type assignment features (-> Table 39)
1
Declaration of directly represented, non-retentive
variables
2
Declaration of directly represented, retentive
variables
3
Declaration of locations of symbolic variables
4
Array location assignment (by own data type
declaration) 1
5
Automatic memory allocation of symbolic variables
7
Retentive array declaration (arrays as derived data
Type)
8
Declaration of structured variables
2.4.3.2 Table 18 Variable initial value assignment features
(-> Table 39)
1
Initialization of directly represented, non retentive
variables
2
Initialization of directly represented retentive
variables
3
Location and initial value assignment to symbolic
variables
4
Array location assignment and initialization (by own
data type declaration) 1
5
initialization of symbolic variables
6
Array initialization (by own data type declaration)
7
Retentive array declaration and initialization
(by own data type declaration)
2.5.1.1 Table 19 Graphical negation of boolean signals
1
Negated input
2
Negated output
2.5.1.2 Table 20 Use of EN input and ENO output
1
Required for LD (corresponding to changed IEC
1131-3)
2
Optional for FBD
3
FBD without "EN" and "ENO"
2.5.1.4 Table 21 Typed and overloaded functions
1
Overloaded functions
2
Typed functions
2.5.1.5.1 Table 22 Type conversion function features
1
*_TO_*
2
TRUNC
3
BCD_TO_*
4
*_TO_BCD
ü
ü
ü
ü
ü
ü
ü
ü
ü
--
ü
--
ü
ü
ü
ü
ü
ü
--
--
ü
-ü
ü
---
ü
ü
ü
ü
--
ü
-ü
-ü
ü
ü
ü
ü
ü
ü
ü
ü
---
--
ü
ü2
ü2
1
Array location assignment not possible in variable worksheet. First the array need to be defined in data type
worksheets. The assignment of direct addresses can be done later in the variable worksheet.
2
INT and DINT are available for *.
Appendix 4
IEC 61131-3 COMPLIANCE LIST A4-3
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
1.0
Appendix 4
2.5.1.5.2 Table 23 Standard functions of one numeric variable
1
ABS
2
SQRT
3
LN
4
LOG
5
EXP
6
SIN
7
COS
8
TAN
9
ASIN
10
ACOS
11
ATAN
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
2.5.1.5.2 Table 24 Standard arithmetic functions
12
ADD
13
MUL
14
SUB
15
DIV
16
MOD
17
EXPT
18
MOVE
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
---
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
--
------
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
2.5.1.5.3 Table 25 Standard bit-shift functions
(FBD overloaded, IL typed)
1
SHL
2
SHR
3
ROR
4
ROL
2.5.1.5.4 Table 26 Standard bitwise boolean functions
5
AND
6
OR
7
XOR
8
NOT
2.5.1.5.4 Table 27 Standard selection functions
(typed, non extensible)
1
SEL
2a
MAX
2b
MIN
3
LIMIT
4
MUX
2.5.1.5.4 Table 28 Standard comparison functions (non extensible)
5
GT
6
GE
7
EQ
8
LE
9
LT
10
NE
-----------
--
ü
IEC 61131-3 COMPLIANCE LIST A4-4
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
3
2.5.1.5.5 Table 29 Standard character string functions
1
LEN
2
LEFT
3
RIGHT
4
MID
5
CONCAT
6
INSERT
7
DELETE
8
REPLACE
9
FIND
2.5.1.5.7 Table 30 Functions of time data type
1
ADD (TIME, ...)
2
ADD (TIME_OF_DAY, ...)
3
ADD (DATE_AND_TIME, ...)
4
SUB (TIME, ...)
5
SUB (DATE, ...)
6
SUB (TIME_OF_DAY, ...)
8
SUB (TIME_OF_DAY, ...)
9
SUB (DATE_AND_TIME, ...)
10
MUL (TIME, ...)
11
DIV (TIME, ...)
12
CONCAT
13
DATE_AND_TIME_TO_TIME_OF_DAY
14
DATE_AND_TIME_TO_DATE
2.5.1.5.7 Table 31 Functions of enumerated data types
(target dependant)
1
SEL
2
MUX
3
EQ
4
NE
2.5.2.2 Table 33 Function block declaration features (-> Table 39)
1
RETAIN qualifier on internal variables
2
RETAIN qualifier on output variables
4a
Input/output declaration (textual)
2.5.2.3.1 Table 34 Standard bistable function blocks
1
SR
2
RS
2.5.2.3.2 Table 35 Standard edge detection function blocks
1
R_TRIG
2
F_TRIG
2.5.2.3.3 Table 36 Standard counter function blocks
1
CTU
2
CTD
3
CTUD
2.5.2.3.4 Table 37 Standard timer function blocks
1
TP
2a
TON
3a
TOF
ü
ü
ü
ü
ü
ü
ü
ü
ü
----------
ü
--ü
----ü
ü
----
--------------
-----
-----
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
--3
--3
--3
ü
ü
ü
--3
--3
--3
Similar functions are available but not completely same as IEC standard functions.
Appendix 4
IEC 61131-3 COMPLIANCE LIST A4-5
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.5.3 Table 39 Program declaration features
1
RETAIN qualifier on internal variables
2
RETAIN qualifier on output variables
11
Declaration of directly represented, non-Retentive
variables
12
Declaration of directly represented retentive
variables
13
Declaration of locations of symbolic variables
14
Array location assignment (by own data type
declaration) 5
15
Initialization of directly represented, non retentive
variables
16
Initialization of directly represented retentive
variables
17
Location and initial value assignment to symbolic
variables
18
Array location assignment and initialization
(by own data type declaration) 2
19
Use of directly represented variables
2.6.2 Table 40 Step features
1
Step, initial step (graphical form)
3a, 3b
Step flag
2.6.3 Table 41 Transitions and transition conditions
2
Transition condition using LD language
3
Transition condition using FBD language
4,4a,4b Use of connector
7
Use of transition name
7a
Transition condition using LD
7b
Transition condition using FBD
7c
Transition condition using IL
7d
Transition condition using ST
2.6.4.1 Table 42 Declaration of actions
1
Any boolean variable can be an action
2l
Graphical declaration in LD language
2f
Graphical declaration in FBD language
3s
Textual declaration in ST language
3i
Textual declaration in IL language
2.6.4.2 Table 43 Step/action association
1
Action block
2
Concatenated action blocks
2.6.4.3 Table 44 Action block
1
Qualifier
2
Action name
2.6.4.4 Table 45 Action qualifiers
2
Non-stored
3
overriding Reset
4
Set (Stored)
5
time limited
6
time delayed
7
Pulse
8
Stored and time delayed
9
Delayed and stored
10
Stored and time limited
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
--
ü
ü
ü
--
--
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
--
--
5
Array location assignment not possible in variable worksheet. First the array need to be defined in data type
worksheets. The assignment of direct addresses can be done later in the variable worksheet.
Appendix 4
IEC 61131-3 COMPLIANCE LIST A4-6
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
6
2.6.5 Table 46 Sequence evolution
1
Single sequence
2a
Divergence of sequence selection
3
Convergence of sequence selection
4
Simultaneous sequences
5a
Sequence skip
6a
Sequence loop
7
Directional arrows
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
2.7.1 Table 49 Configuration and resource declaration features
1
CONFIGURATION
3
RESOURCE
4
VAR_GLOBAL within RESOURCE
5a
Periodic TASK
5b
Non-periodic TASK
6a
PROGRAM with PROGRAM-to-TASK association
6c
PROGRAM with no TASK association
7
Declaration of directly represented variables
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
2.7.2 Table 50 Task features
1a
Textual declaration of periodic TASK
(by project tree)
1b
Textual declaration of non-periodic TASK
(by project tree)
3a
Textual association with PROGRAMs
(by project tree)
4b
Graphical association with FUNCTION BLOCKS 6
5a
Preemptive scheduling (Target dependent)
5b
Non-preemptive scheduling (Target dependent)
3.2.2 Table 52 Instruction list (IL) operators
1
LD
2
ST
3
S, R
4
AND
6
OR
7
XOR
8
ADD
9
SUB
10
MUL
11
DIV
12
GT
13
GE
14
EQ
15
NE
16
LE
17
LT
18
JMP
19
CAL
20
RET
21
)
3.2.3 Table 53 Function block invocation features for IL language
2
CAL with load/store of inputs
--
ü
--
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü7
ü7
ü7
ü7
ü7
ü7
ü
ü
ü
ü
ü
ü
We do not support of chapter 2.7.2 of the IEC 1131-3 part 7a and 7b, but the compiler shows a warning if this
feature is used in the project.
7
Data type BOOL is not supported for inputs.
Appendix 4
IEC 61131-3 COMPLIANCE LIST A4-7
PRELIMINARY
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Appendix 4
3.3.1 Table 55 Operators on the ST language
1
Parenthesization
2
Function evaluation
3
Exponentiation
4
Negation
5
Complement
6
Multiply
7
Divide
8
Modulo
9
Add
10
Subtract
11
Comparison
12
Equality
13
Inequality
14
Boolean AND (&)
15
Boolean AND
16
Boolean exclusive OR
17
Boolean OR
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
3.3.2 Table 56 ST language statements
1
Assignment
2
FB invocation and FB output usage
3
RETURN
4
IF
5
CASE
6
FOR (only upwards)
7
WHILE
8
REPEAT
9
EXIT
10
Empty statement
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
4.1.3 Table 57 Representation of line and block
2
Horizontal lines
4
Vertical lines
6
Horizontal/vertical connection (with connection dot)
8
Line crossings without connection (without gap)
10
Connected and non connected corners
12
Blocks with connecting lines
14
Graphic connectors
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
-ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
4.1.3 Figure 23 Feedback path
a
Explicit loop
b
Implicit loop
c
LD language equivalent
4.1.4 Table 58 Graphic execution control elements
1
Unconditional jump FBD
2
Unconditional jump LD
3
Conditional jump FBD
4
Conditional jump LD
5
Conditional return LD
6
Conditional return FBD
8
Unconditional Return LD
4.2.1 Table 59 Power rails
1
Left power rail
2
Right power rail
4.2.2 Table 60 Link elements
1
Horizontal link
2
Vertical link
--
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
IEC 61131-3 COMPLIANCE LIST A4-8
PRELIMINARY
1.0
1.0
Pro-H
Version
1.0
Appendix 4
4.2.3 Table 61 Contacts
1
Normally open contact
3
Normally closed contact
5, 7
Positive transition-sensing contact
(target dependent)
4.2.4 Table 62 Coils
1
Coil
2
Negated coil
3
SET (latch) coil
4
RESET (unlatch) coil
Feature
IEC 1131 Extensions
2
TR2: constant type specifier e.g. INT#12, BOOL#1
ü
ü
ü
ü
--
--
ü
ü
ü
ü
ü
ü
ü
ü
ProConOS
(Simulator)
HIDIC
PLC
ü
ü
IEC 61131-3 COMPLIANCE LIST A4-9
List of figures
Figure 2-1:
An example of configuration elements...........................................................................2-3
Figure 2-2:
Diagram of a default task with two programs.................................................................2-5
Figure 2-3:
Subtree 'Logical POUs' ..................................................................................................2-6
Figure 2-4:
Project tree with the instances within the resource 'R_IPC' ...........................................2-7
Figure 2-5:
Worksheets of a function block in FBD..........................................................................2-7
Figure 2-6:
Icons of a SFC POU ......................................................................................................2-8
Figure 2-7:
Subtree 'Data Types'......................................................................................................2-9
Figure 2-8:
The project with its subtrees ........................................................................................2-10
Figure 2-9:
Subtree 'Library' ..........................................................................................................2-11
Figure 3-1:
Program user interface with sample project 'example' ..................................................3-4
Figure 3-2:
Sample tooltip (icon 'Save') with corresponding description displayed
in the status bar..............................................................................................................3-7
Figure 3-3:
Example of a detached toolbar window .........................................................................3-8
Figure 3-4:
The 'Shortcut Manager' for adding/modifying keyboard shortcuts .................................3-9
Figure 3-7:
Default shortcuts in alphabetical order.........................................................................3-12
Figure 3-8:
Worksheet tabs in the workspace................................................................................3-13
Figure 3-9:
Message window with its different page tabs...............................................................3-14
Figure 3-10:
Cross reference window...............................................................................................3-16
Figure 3-13:
Project tree window with sheet tabs.............................................................................3-21
Figure 3-14:
Edit Wizard for the different editors..............................................................................3-24
Figure 3-15:
Edit Wizard for variables and data type worksheets ....................................................3-25
Figure 3-16:
Navigating in a graphical worksheet using the overview window................................3-27
Figure 3-17:
Dialog 'Pro-H' ...............................................................................................................3-29
Figure 4-1:
Dialog 'New Project' containing the available project templates ....................................4-2
Figure 4-2:
Project 'Untitled' with program 'Untitle' and its worksheets ............................................4-2
Figure 4-3:
Dialog 'Properties' while changing the properties of existing POUs...............................4-4
Figure 4-4:
Dialog 'Insert' while inserting a new POU ......................................................................4-5
Figure 4-5:
Project with announced library 'Contain' ........................................................................4-8
Figure 5-1:
Numeric literals ..............................................................................................................5-1
Figure 5-2:
Character string literals ..................................................................................................5-2
Figure 5-3:
Duration literals ..............................................................................................................5-2
Figure 5-4:
Elementary data types....................................................................................................5-3
Manual
List of figures
1
Figure 5-5:
Generic data types .........................................................................................................5-4
Figure 5-6:
Type declaration of an array data type...........................................................................5-5
Figure 5-7:
Programming example of an array data type.................................................................5-6
Figure 5-8:
Type declaration of an array of array .............................................................................5-7
Figure 5-9:
Accessing elements of an array of array........................................................................5-7
Figure 5-10:
Initializing elements of an array......................................................................................5-7
Figure 5-11:
Declaration of a structured data type .............................................................................5-8
Figure 5-12:
Declaration of an array of structure................................................................................5-8
Figure 5-13:
Declaration of a structure of array..................................................................................5-9
Figure 5-14:
Assigning values to components of a structure .............................................................5-9
Figure 5-15:
Declaration of a string data type ..................................................................................5-10
Figure 5-16:
Edit Wizard in a data type worksheet...........................................................................5-11
Figure 5-17:
Data type worksheet 'Type' with pre-edited keywords,
inserted using the Edit Wizard .....................................................................................5-11
Figure 5-18:
Declaration of a symbolic, a located variable and a directly represented variable.......5-13
Figure 5-19:
Example for the declaration of a retentive variable......................................................5-14
Figure 5-20:
Declaration and initialization of a symbolic, a located variable
and a directly represented variable ..............................................................................5-15
Figure 5-21:
Table of keywords for variable declaration blocks .......................................................5-17
Figure 5-22:
Edit Wizard in a variable worksheet............................................................................5-18
Figure 5-23:
Variable worksheet with pre-edited keyword 'VAR', inserted using the Edit Wizard....5-19
Figure 5-24:
Instantiation of a function block....................................................................................5-20
Figure 5-25:
Example of an instance tree ........................................................................................5-21
Figure 6-1:
Structure of an assignment statement in ST..................................................................6-3
Figure 6-2:
Table of operators in ST ................................................................................................6-3
Figure 6-3:
Table of statements in ST ..............................................................................................6-5
Figure 6-1:
Pre-edited CASE statement, inserted using the Edit Wizard .........................................6-6
Figure 6-2:
Dialog 'Variable' .............................................................................................................6-8
Figure 6-3:
Dialog 'Automatic Variables Declaration' .......................................................................6-8
Figure 6-4:
Function call in ST........................................................................................................6-10
Figure 6-5:
Function block call in ST ..............................................................................................6-10
Figure 6-6:
Pre-edited MAX function and CTU function block, inserted using the Edit Wizard......6-12
Figure 7-1:
Example of an instruction list .........................................................................................7-2
Figure 7-2:
Table of operators, modifiers and operands in IL ..........................................................7-3
Figure 7-3:
Table of the modifiers in IL and their meaning...............................................................7-4
Figure 7-4:
Operator 'ADD' and FB 'RS', both inserted using the Edit Wizard .................................7-4
Figure 7-5:
Dialog 'Variable', called with a variable marked .............................................................7-7
Figure 7-6:
Dialog 'Automatic Variables Declaration' .......................................................................7-7
Figure 7-7:
Dialog 'Variable' .............................................................................................................7-9
Figure 7-8:
Example of a jump .........................................................................................................7-9
Figure 7-9:
Example of calling a function .......................................................................................7-10
Manual
List of figures
2
Figure 7-10:
Example of calling a function block..............................................................................7-10
Figure 7-11:
Pre-edited MAX function and CTU function block, inserted using the Edit Wizard......7-12
Figure 8-1:
Dialog 'Function/Function Block' ....................................................................................8-5
Figure 8-2:
Dialog 'Variable' .............................................................................................................8-7
Figure 8-3:
Dialog 'Automatic Variables Declaration' .......................................................................8-8
Figure 8-4:
Function and function block before establishing the connection..................................8-10
Figure 8-5:
The connection is set ...................................................................................................8-11
Figure 8-6:
The function is moved to a vacant position. The connection is routed automatically. .8-11
Figure 8-7:
The output 'CV' of the FB 'CTU' is defined to be one end of the
connection before the 'ADD' function is inserted ........................................................8-12
Figure 8-8:
The connection is established automatically when
the new 'ADD' function has been inserted ...................................................................8-12
Figure 8-9:
The function is moved to a vacant position. The connection is routed automatically. .8-12
Figure 9-1:
Table of contacts and coils in LD ...................................................................................9-2
Figure 9-2:
Example of a LD network...............................................................................................9-3
Figure 9-3:
First LD network inserted ...............................................................................................9-4
Figure 9-4:
First LD network with inserted new contact 'C002'.........................................................9-5
Figure 9-5:
LD network with a parallel branch ..................................................................................9-6
Figure 9-6:
LD network with a parallel branch, inserted in LD branch edit mode.............................9-7
Figure 9-7:
Dialog 'Contact/Coil' .......................................................................................................9-9
Figure 9-8:
Dialog 'Automatic Variables Declaration' .......................................................................9-9
Figure 9-9:
LD network with changed properties............................................................................9-10
Figure 9-10:
LD network with function block 'CTU'...........................................................................9-13
Figure 10-1:
SFC network with one step and one transition.............................................................10-3
Figure 10-2:
SFC network with four steps ........................................................................................10-5
Figure 10-3:
Dialog 'Step' .................................................................................................................10-6
Figure 10-4:
Dialog 'Divergence' ......................................................................................................10-7
Figure 10-5:
SFC network with 2 alternative branches.....................................................................10-8
Figure 10-6:
Dialog 'Divergence' ......................................................................................................10-9
Figure 10-7:
Part of SFC network with an alternative and a simultaneous branch ........................10-10
Figure 10-8:
Dialog 'Action'.............................................................................................................10-12
Figure 10-9:
Dialog 'Automatic Variables Declaration' ...................................................................10-13
Figure 10-10: Action block with variable name.................................................................................10-14
Figure 10-11: Dialog 'Transition'.......................................................................................................10-15
Figure 10-12: Transition, specified as direct connection with a green connection point ..................10-15
Figure 10-13: Dialog 'Variable' .........................................................................................................10-16
Figure 10-14: Dialog 'Automatic Variables Declaration' ...................................................................10-16
Figure 10-15: Variable connected to a transition..............................................................................10-17
Figure 10-16: Dialog 'Insert'..............................................................................................................10-19
Figure 11-1:
Dialog 'Insert'................................................................................................................11-2
Figure 11-2:
Dialog 'Resource Settings...' ........................................................................................11-3
Manual
List of figures
3
Figure 11-3:
Dialog 'Insert'................................................................................................................11-4
Figure 11-4:
Announced errors after making a project.....................................................................11-7
Figure 11-5:
Error list, displayed in the message window ................................................................11-7
Figure 11-6:
Premises for the use of the 'Patch POU' operation......................................................11-8
Figure 11-7:
Control dialog .............................................................................................................11-10
Figure 11-8:
Dialog 'Download'.......................................................................................................11-11
Figure 11-9:
IL worksheet in online mode ......................................................................................11-13
Figure 11-10: Graphical worksheet in online mode..........................................................................11-14
Figure 11-11: Meaning of the colors in online mode ........................................................................11-14
Figure 11-12: Meaning of the powerflow signs in text worksheets in online mode ..........................11-16
Figure 11-13: Meaning of the powerflow signs in graphic worksheets in online mode ....................11-16
Figure 11-14: Dialog 'Online Debug'.................................................................................................11-18
Figure 11-15: Dialog 'Online Debug'.................................................................................................11-19
Figure 11-16: Control dialog if a breakpoint is set ............................................................................11-21
Figure 11-17: ST worksheet in online mode with set breakpoint......................................................11-22
Figure 11-18: Watch window with several variables inserted...........................................................11-23
Figure 11-19: Watch window with opened array of structure ...........................................................11-25
Figure 12-1:
Dialog 'Print Project' .....................................................................................................12-2
Figure 12-2:
Page 'Default Pagelayouts' in the dialog 'Options' .......................................................12-4
Figure 12-3:
Pagelayout editor with a new pagelayout .....................................................................12-6
Figure 12-4:
Pagelayout with the new source area ..........................................................................12-7
Figure A1-1: Example of a specific code block in IL ........................................................................ A1-3
Figure A1-2: Example of a specific code block embedded in an IEC IL.......................................... A1-4
Figure A1-3: Instruction list including IEC IL code and specific code statements............................ A1-6
Figure A1-4: Simple LD network ...................................................................................................... A1-8
Figure A1-5: Dialog ‘Inline Code’ ..................................................................................................... A1-9
Figure A1-6: LD network with inseted arithmetic box .................................................................... A1-10
Figure A1-7: Dialog ‘Inline Code’ ................................................................................................... A1-10
Figure A1-8: Simple LD network and arithmetic box inserted as a single object........................... A1-11
Figure A1-9: LD network with connected arithmetic box ............................................................... A1-12
Figure A1-10: LD network and arithmetic box connected to the right power rail ............................. A1-13
Figure A1-11: IL worksheet with specific code statements in online mode ..................................... A1-16
Figure A1-12: Part of a LD worksheet with included arithmetic box in online mode........................ A1-17
Figure A1-13: Part of a LD worksheet in online mode with online values displayed
in the tooltip of the arithmetic box ............................................................................. A1-18
Figure A2-1: Dialog 'Insert'............................................................................................................... A2-2
Figure A2-2: Dialog 'Insert'............................................................................................................... A2-3
Figure A2-3: Dialog 'Resource Settings for HIDIC' .......................................................................... A2-4
Figure A2-4: Dialog 'Resource Configuration’.................................................................................. A2-5
Figure A2-5: Dialog 'I/O Configuration’ ............................................................................................ A2-5
Manual
List of figures
4
Figure A2-6: Dialog 'CPU settings’................................................................................................... A2-7
Figure A2-7: Dialog 'Operation parameters’ .................................................................................... A2-7
Figure A2-8: Dialog 'Insert'............................................................................................................... A2-8
Figure A2-9: Dialog 'Insert'............................................................................................................. A2-10
Figure A2-10: Announced errors after making a project.................................................................. A2-12
Figure A2-11: Error list, displayed in the message window ............................................................. A2-12
Figure A2-12: Premises for the use of the 'Patch POU' operation................................................... A2-13
Figure A2-13: Control dialog ............................................................................................................ A2-15
Figure A2-14: IL worksheet in online mode ..................................................................................... A2-18
Figure A2-15: Graphical worksheet in online mode......................................................................... A2-19
Figure A2-16: Meaning of the colors in online mode ....................................................................... A2-19
Figure A2-17: Dialog 'Online Debug'................................................................................................ A2-21
Figure A2-18: Watch window with several variables inserted.......................................................... A2-23
Figure A2-19: Control dialog ............................................................................................................ A2-25
Manual
List of figures
5
Index
A
ABS • 2-4
Action • 10-2, 10-12
detail • 10-18
qualifier • 10-2, 10-12
Action block • 10-3
ADD • 2-4, 7-3
Addition • 7-3, 6-3
Address status • 11-15
Alternative branch in SFC • 10-2, 10-7
AND • 2-4, 7-3
Announcing a library • 4-8
ANY_BIT • 5-4
ANY_INT • 5-4
ANY_NUM • 5-4
Archive • 4-9
Arithmetic functions • 2-4
Array data types
array of structure • 5-8
debug • 11-24
multidimensional array • 5-7
structures with arrays • 5-9
Array data types • 5-5
assignment statement • 6-3
Associating programs to tasks • 11-4
B
B • see size prefix
Bistable function blocks • 2-4
Bitmap in pagelayout • 12-8
Bit-string functions • 2-4
BOOL • 5-3
Boolean AND • 7-3, 6-3
Boolean exclusive OR • 7-3, 6-3
Boolean OR • 7-3, 6-3
Branch
alternative in SFC • 10-2
parallel in LD • 9-3
simultaneous in SFC • 10-2
Breakpoint • 11-18
BY • 6-4
BYTE • 5-3
C
CAL • 7-3, 7-10
Manual
Calling
function block in IL • 7-3
functions and function blocks in IL • 7-10
CASE • 6-4
Character string functions • 2-4
Character string literal • 5-2
Code body part • 2-7
Coil • 9-2
change properties • 9-8
inserting • 9-4
Colors in online mode • 11-14
Colors of the status bar • 3-19
Comment
FBD • 8-2
IL • 7-2
LD • 9-3
SFC • 10-2
ST • 6-2
Comparison • 7-3, 6-3
Comparison functions • 2-4
Compiling • 11-5
Compile worksheet • 11-5
errors • 11-6
Make • 11-6
Patch POU • 11-8, 11-15
Complement • 6-3
Configuration • 2-2, 2-3
insert • 11-1
Configuration elements • 2-2
Connecting graphical objects while inserting •
8-11
Connecting objects in FBD • 8-9
Connection line • 9-3
Contact • 9-2
change properties • 9-8
inserting • 9-4
Context-sensitive help • 3-20
Correcting programming errors • 11-15
Counter function blocks • 2-4
Creating a new project • 4-1
Cross reference window • 3-15
Cyclic task • 2-2
D
D • see size prefix
Data type
array • 5-5
Index
1
derived • 5-4
elementary • 5-3
generic • 5-4
initial value • 5-15
string • 5-10
structure • 5-8
user defined • 5-4
Data type declaration
editing using the Edit Wizard • 5-11
Data type worksheet • 3-23, 5-10
Data types • 2-8
declaration • 2-8
Debugging • 11-15, 11-24
Declaration part • 2-7
Default initial value • 5-15
Default pagelayout • 12-4
Derived data types • 2-8, 5-4
Detail • 10-2, 10-18
Dialog
Action • 10-12
Assign Shortcut • 3-10
Automatic FB Declaration • 7-12, 6-11, 9-12,
8-4
Automatic Variables Declaration • 10-13, 1016, 7-7, 6-9, 9-10, 9-11, 8-8
Contact/Coil • 9-9
Control Dialog • 11-11, 11-21
Cross Reference Filter • 3-17
Customize • 12-4
Default Pagelayout • 12-4
Divergence • 10-7, 10-9
Download • 11-11
FB Instances • 7-12, 9-12, 8-4
Function/Function Block • 8-5
Insert • 4-6, 10-19, 11-2, 11-5
New Project • 4-2
Online Debug • 11-18, 11-19
Print Project • 12-2
Properties • 4-4
Resource Settings... • 11-3
Save changes? • 3-29
Save Project As • 4-10
Settings Environment Text • 12-9
Settings source area • 12-7
Shortcut keys • 3-9
Step • 10-6
Transition • 10-15
Variable • 10-16, 7-6, 7-7, 7-9, 6-8, 8-7
DINT • 5-3
Direct connection • 10-2
Directly represented variable • 5-13
Disk space, display in the status bar • 3-19
DIV • 7-3
Division • 7-3, 6-3
DO • 6-4, 6-5
documentation
context-sensitive help • 3-20
context-sensitive help • 1-2
Manual • 1-2
symbols • 1-3
textual conventions • 1-3
Downloading • 11-10
Manual
Drag & drop in graphic worksheets • 8-9
Duplicating function inputs • 8-14
Duration literal • 5-2
DWORD • 5-3
E
Edge detection function blocks • 2-4
Edit Wizard • 7-5, 8-2
Calling functions/FBs in IL • 7-10
calling functions/FBs in ST • 6-10
editing data type declarations • 5-11
general description • 3-24
in ST • 6-2
Inserting functions/FBs in FBD • 8-3
Inserting functions/FBs in LD • 9-11
Inserting instructions in IL • 7-4
Inserting statements in ST • 6-5
inserting variable declaration keywords • 5-18
listbox 'Group' • 3-25
replacing functions/FBs • 8-6
selection area • 3-25
Editor
editing FBD worksheets • 8-1
editing IL worksheets • 7-1
editing LD worksheets • 9-1
editing SFC worksheet • 10-1
editing ST worksheets • 6-1
worksheets in online mode • 11-12
Elementary data types • 2-8, 5-3
ELSE • 6-4
ELSIF • 6-4
END_CASE • 6-4
END_FOR • 6-4
END_IF • 6-4
END_REPEAT • 6-5
END_VAR • 5-17
END_WHILE • 6-5
Environment item • 3-23, 12-9
EQ • 7-3
Equality • 6-3
Error list (message window) • 11-7
Error task • 2-2
Errors
correct programming errors • 11-15
displayed in the message window • 3-14
while compiling • 11-6
Event task • 2-2
EXIT • 6-5
Exiting
Pro-H • 3-29
worksheet • 3-28
Exponentiation • 6-3
Expression • 6-2, 6-3
F
FBD • 8-2
call editor • 8-1
comment • 8-2
connect objects • 8-9
insert variable • 8-6
Index
2
mix with SFC • 10-18
negating inputs and outputs • 8-13
network • 8-2, 8-9
FBD worksheets • 3-22
Filtering the cross reference window • 3-17
Firmware library • 2-10, 4-8
FOR • 6-4
Forcing • 11-17
Formal parameter • 7-10, 8-7, 8-13
Function
call in IL • 7-10
call in LD • 9-11
call in ST • 6-10
changing the properties • 8-5
duplicating inputs • 8-14
firmware • 4-8
general description • 2-4
Inserting in FBD using the Edit Wizard • 8-3
negating inputs and outputs • 8-13
replacing using the Edit Wizard • 8-6
types of functions • 2-4
Function block
call in IL • 7-3, 7-10
call in LD • 9-11
call in ST • 6-10
changing the properties • 8-5
declare instance • 5-15, 5-20
firmware • 4-8
general description • 2-4
instance • 2-6
negating inputs and outputs • 8-13
replacing using the Edit Wizard • 8-6
types of function blocks • 2-4
Function block diagram • see FBD
G
GE • 7-3
Generic data types • 2-8, 5-4
Global variable • 5-14
Graphic editor
edit FBD • 8-1
edit LD • 9-1
edit SFC • 10-1
general description • 3-22
GT • 7-3
Manual
H
Hardware requirements • 3-1
Help function • see context-sensitive help
I
I • see location prefix
I/O configuration worksheet • 3-23
I/Os, declaring • 5-14
Icon
Add contact right • 9-5
Add contact/coil below • 9-6
Add function • 4-5
Add function block • 4-5
Add Program • 4-5
Add worksheet • 4-6, 4-7, 4-8
Change Node Properties • 4-3
code body worksheet name • 4-6
Connect objects • 8-9
Contact network • 9-4
Data type worksheet • 5-10
date type folder • 4-7
Duplicate FP • 8-14
Edit Wizard • 7-5, 7-11, 6-6, 6-10, 9-12, 8-3
Environment items • 12-9
FBD worksheet name • 8-1
Insert LD branch • 9-7
Insert SFC branch • 10-11
Insert Simultaneous/Alternative Branches •
10-7, 10-9
Insert step/transition • 10-3, 10-4
LD worksheet name • 9-1
libraries folder • 4-8
Line • 12-8
Make • 11-6
Normally closed contact • 9-8
Online on/off • 11-9, 11-15
POU name • 4-9
Program name • 4-3
Resource name' • 11-1
Save • 3-28
SFC worksheet name • 10-1
Show Control Dialog • 11-10, 11-20
Source area • 12-6
ST Worksheet name • 7-1, 6-1
Task name • 11-4
Toggle negation of FP • 8-13
Variable • 10-15, 7-6, 7-8, 6-7, 8-7
variable worksheet name • 4-7
Icons
description in the status bar • 3-7
tooltips, activating • 3-7
IEC 61131 • 2-1
IEC 61131-3
configuration • 2-2
configuration elements • 2-2
data types • 2-8
function • 2-4
function blocks • 2-4
instantiation • 2-6
POU • 2-4
Index
3
program • 2-5
programming language • 2-11
resource • 2-2
task • 2-2
variables • 2-8
IEC code • 11-5
IF • 6-4
IL • 7-2
call editor • 7-1
call function • 7-10
call function block • 7-10
comment • 7-2
insert variable • 7-6
instruction • 7-2
Jump • 7-9
label • 7-9
modifier • 7-2, 7-4
operand • 7-2
operator • 7-2
IL worksheets • 3-23
Inequalitiy • 6-3
initial step • 10-2, 10-3
change • 10-6
Initial value • 5-15
Initializing variables • 5-15
Installation • 3-2
Instance • 2-6, 5-20
Instance name • 2-6, 5-20, 11-5
Instance tree • 2-6, 3-21, 5-20, 11-12
Instantiation • 2-6, 5-20
of function blocks • 7-12, 9-12, 8-4
Instruction
IL • 7-2
Inserting in IL using the Edit Wizard • 7-4
instruction list • see IL
INT • 5-3
Internal memory • 2-5, 2-6, 5-20
Interrupt task • 2-2
Iteration statement • 6-4
J
JMP • 7-3, 7-9
Jump • 7-3, 7-9
K
Keyboard Shortcuts • see shortcuts
Keyboard, general usage • 3-3
Keywords in ST • 6-2
Manual
L
Label • 7-9
Ladder diagram • see LD
Language element • 2-4
LD • 9-2
Branch edit mode • 9-7
call editor • 9-1
call functions or function blocks • 9-11
change properties of contacts/coils • 9-8
coil • 9-2
comment • 9-3
connection line • 9-3
contact • 9-2
insert coil • 9-4
insert contact • 9-4
insert variable • 9-11
mix with SFC • 10-18
network • 9-3
operator • 7-3
Parallel branch • 9-3, 9-6, 9-7
power rail • 9-3
variable • 9-3
wired-OR • 9-3, 9-6
LD worksheets • 3-22
LE • 7-3
Library • 2-10
announce • 2-11, 4-8
print • 12-1
Line
pagelayout • 12-8
Literal
character string • 5-2
duration • 5-2
general description • 5-1
numeric • 5-1
Local variable • 5-14
Located variable • 5-13
Location • 5-13
prefix • 5-13
LT • 7-3
M
M • see location prefix
Main screen • 3-13
Make • 11-5, 11-6
Menu bar • 3-5
Message window • 3-14
errors while compiling • 11-7
Warnings while compiling • 11-7
mixing
FBD and LD • 9-11
Modifier
IL • 7-2, 7-4
Modulo • 6-3
Mouse, general usage • 3-3
MUL • 7-3
Multiplication • 7-3, 6-3
Pro-H
exit • 3-29
installation • 3-2
Index
4
starting the program • 3-2
user interface • 3-4
N
NE • 7-3
Negated coil • 9-2
Negating inputs and outputs • 8-13
Negation • 6-3
Network
FBD • 8-2, 8-9
insert SFC network • 10-3
LD • 9-3
SFC • 10-2
Normally closed contact • 9-2
Normally open contact • 9-2, 9-3
Numeric literal • 5-1
Numerical functions • 2-4
O
Online mode • 11-12
address status • 11-15
colors • 11-14
debug arrays and structures • 11-24
function worksheet • 11-16
Layout • 11-14
powerflow • 11-15
powerflow in graphic worksheets • 11-16
powerflow in text worksheets • 11-16
switching on/off • 11-15
variable status • 11-15
watch window • 11-22
Operand
IL • 7-2
ST • 6-2, 6-3
Operator
IL • 7-2
ST • 6-2, 6-3
Optimized printing • 12-3, 12-4
OR • 7-3
Overview window • 3-27
Overwriting variables • 11-17
P
Pagelayout
creating a new • 12-5
defining as default • 12-3
preview • 12-10
Pagelayout editor • 3-23
call • 12-5
define source area • 12-6
environment item • 3-23
insert a bitmap • 12-8
insert a line • 12-8
insert a rectangle • 12-8
insert a system item • 12-9
insert a text • 12-8
insert an environment item • 12-9
Parallel branch in LD • 9-3, 9-6, 9-7
parenthesization • 6-3
Manual
Patch POU • 11-5, 11-8, 11-15
PLC code • 11-5
POU
change properties • 4-3
Delete • 4-9
insert • 4-5
types of POUs • 2-4
Power rail • 9-3
Powerflow • 11-15
Preview • 3-23, 12-10
Printing • 12-1
print mode 'Optimized printing' • 12-3
print mode 'Standard' • 12-3
select items • 12-2
select range • 12-2
Program
associate to task • 11-4
general description • 2-5
instance • 2-6, 5-21, 11-5
internal memory • 2-5
Program modules • 2-4
Program organization unit • see POU
Programming errors • 11-15
Programming language
FBD • 8-2
graphical • 2-11
IL • 7-2
LD • 9-2
ST • 6-2
textual • 2-11
Project
compile • 11-5
create • 4-1
downloading • 11-10
Save • 4-9
template • 4-1
Untitled • 4-1
Zip into an archive file • 4-9, 4-10
Project tree • 2-10
configuration elements • 2-2
insert configuration • 11-1
insert library • 4-8
insert POU • 4-5
insert resource • 11-1
insert task • 11-1
insert worksheet • 4-6
subtree 'Data types' • 2-9, 3-21
subtree 'Instances' • 2-6
subtree 'Library' • 2-11, 3-21
subtree 'Logical POUs' • 2-6, 3-21
subtree 'Physical Hardware' • 2-2, 3-21
Project tree editor • 3-21
Properties • 4-3
Index
5
Q
Q • see location prefix
Qualifier in SFC • 10-2, 10-12
R
R • 7-3
Rail • 9-3
REAL • 5-3
Rebuild project • 11-6
Rectangle in pagelayout • 12-8
REPEAT • 6-5
RESET coil • 9-2
Resource • 2-2, 2-3
control dialog • 11-11, 11-21
insert • 11-1
Settings • 11-3
RET • 7-3
RETAIN • 5-14
Retentive variable • 5-14
initial value • 5-15
Return • 7-3, 6-5
S
S • 7-3
Save as... • 4-10
Saving • 3-28
Scope
variable • 5-14
Selection functions • 2-4
Selection statement • 6-4
Sequential function chart • see SFC
SET coil • 9-2
Setup • 3-2
SFC • 10-2
action • 10-2
action block • 10-2
action qualifier • 10-2, 10-12
alternative branch • 10-7
Branch edit mode • 10-11
call editor • 10-1
change network • 10-6
comment • 10-2
detail • 10-2, 10-18
insert network • 10-3, 10-4
insert variable • 10-12, 10-14
mix with FBD • 10-18
mix with LD • 10-18
network • 10-2
simultaneous branch • 10-9
step • 10-2
transition • 10-2
SFC worksheets • 3-22
Shortcut Manager • 3-9
Shortcuts • 3-9
adding/modifying • 3-9
assigning new shortcuts • 3-10
list of default shortcuts • 3-11
Simultaneous branch in SFC • 10-2, 10-9, 1011
Manual
SINT • 5-3
Size prefix • 5-13
Software requirements • 3-1
Sorting the cross reference list • 3-18
Source area • 12-6
ST • 7-3
assignment statement • 6-10
call editor • 6-1
call function • 6-10
call function block • 6-10
CASE statement • 6-4
comment • 6-2
edit assignment statements • 6-3
edit statements • 6-4
EXIT statement • 6-5
expression • 6-2, 6-3
FOR statement • 6-4
general description • 6-2
IF statement • 6-4
insert variable • 6-7
operand • 6-2, 6-3
operator • 6-2, 6-3
REPEAT statement • 6-5
RETURN statement • 6-5
statement • 6-2
statement keywords • 6-4
WHILE statement • 6-5
ST worksheets • 3-23
Standard function blocks • 2-4
Standard print mode • 12-3
Starting the program • 3-2
Statement • 6-2
assignment statement • 6-3, 6-10
control statement • 6-4
Inserting in ST using the Edit Wizard • 6-5
iteration statement • 6-4
keywords • 6-4
selection statement • 6-4
Status bar • 3-19
Step • 10-2
change properties • 10-6
initial • 10-2
insert • 10-3, 10-4
Step (debugging) • 11-21
STRING • 5-4
String data types • 5-10
Structured data types • 5-8
debug • 11-24
initialized • 5-9
structures with arrays • 5-9
Structured text • see ST
SUB • 7-3
Submenus, general description • 3-5
Subtraction • 7-3, 6-3
Subtree 'Data types' • 2-9, 3-21
Subtree 'Instances' • 2-6
Subtree 'Library' • 2-11, 3-21
Subtree 'Logical POUs' • 2-6, 3-21
Subtree 'Physical Hardware' • 2-2, 3-21
Symbolic variable • 5-13
System item • 12-9
Index
6
T
V
Task • 2-2, 2-3
associate a program • 11-4
insert • 11-1
Template • 4-1
Text editor
declaring data types • 5-10
edit IL • 7-1
edit ST • 6-1
general description • 3-23
TIME • 5-3, 5-4
Time scheduling • 2-2
Timer function blocks • 2-4
TO • 6-4
Toolbar • 3-7
Tooltips • 3-7
Trace • 11-21
Transition • 10-2, 10-3
changing properties • 10-14
detail • 10-18
direct connection • 10-2
insert • 10-3, 10-4
variable • 10-14
Type conversion functions • 2-4
VAR • 5-15
VAR_EXTERNAL • 5-14, 5-16
VAR_EXTERNAL_FB • 5-16
VAR_EXTERNAL_PG • 5-16
VAR_GLOBAL • 5-14, 5-17
VAR_GLOBAL_FB • 5-17
VAR_GLOBAL_PG • 5-17
VAR_IN_OUT • 5-16
VAR_INPUT • 5-14, 5-16
VAR_OUTPUT • 5-14, 5-16
Variable • 2-8
declare • 5-18
declare using the variable editor • 5-18
declare while editing a code body • 5-18
directly represented • 5-13
force • 11-17
global • 5-14
initialize • 5-15
insert in FBD • 8-6
insert in IL • 7-6
insert in LD • 9-11
insert in SFC • 10-12, 10-14
insert in ST • 6-7
inserting into watch window • 11-22
keywords • 5-15
local • 5-14
located • 5-13
overwrite • 11-17
retentive • 5-14
scope • 5-14
status in online mode • 11-15
symbolic • 5-13
watch window • 11-22
Variable declaration • 2-7, 2-8
function block instance • 5-20
inserting keywords using the Edit Wizard • 518
instantiation • 5-15
keywords • 5-15
location • 5-13
location prefix • 5-13
size prefix • 5-13
types • 5-15
Variable worksheets • 3-23
U
UDINT • 5-3
UINT • 5-3
UNTIL • 6-5
User defined data types • 2-8, 5-4
array • 5-5
strings • 5-10
structures • 5-8
User interface
cross reference window • 3-15
Edit Wizard • 3-24
general description • 3-4
mainscreen • 3-13
menu bar • 3-5
message window • 3-14
overview window • 3-27
status bar • 3-19
submenus • 3-5
toolbar • 3-7
workspace • 3-13
User library • 2-10, 4-8
USINT • 5-3
Manual
Index
7
W
W • see size prefix
Warnings, displayed in the message window •
3-14
Watch window • 11-22
Debug arrays and structures • 11-24
insert variable • 11-22
WHILE • 6-5
Wildcards • 3-17
Wired-OR • 9-3, 9-6
WORD • 5-3
Worksheet
code body • 4-3
delete • 4-9
description • 4-3
exit • 3-28
insert • 4-6
Manual
online mode • 11-12
preview • 12-10
print in online mode • 12-1
save • 3-28
variable • 4-3
Workspace • 3-13
X
X • see size prefix
XOR • 7-3
Z
Zipping a project • 4-10
zwt files • 4-10
Index
8
Imprint:
Valid from Mar. 1999
English release 1.0
All rights reserved, including those of translation, reprint and reproduction of parts of this
manual. No part of this work may be duplicated or reproduced in any shape by using
electronic systems, nor for educational purposes, without the editor's authorization.
Modifications reserved, as we are continually working on improvements.
©
Hitachi Ltd. Industrial Components & Equipment Division
46-1. Ooaza-Tomioka, Nakajo-machi,
Kitakanbara-gun, Niigata-ken 959-2608, Japan
Tel. ++81 254 46 5513
Fax. ++81 254 46 3321
e-mail: [email protected]
Manual

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Key Features

  • Powerful features for PLC application development
  • Based on standard IEC 61131-3
  • Supports various IEC programming languages
  • Includes a powerful debug system
  • Provides a 32-bit simulation environment
  • Offers online handling and powerflow debug functionality
  • Includes a tool for project documentation

Frequently Answers and Questions

What is Pro-H?
Pro-H is a standard programming system designed for IEC PLCs and traditional PLCs, built on the IEC 61131-3 standard.
What are the main features of Pro-H?
Pro-H offers features for various stages of PLC application development, including editing, compiling, debugging, and printing. It supports different programming languages and has a built-in debug system.
What is the purpose of Pro-H?
Pro-H is a programming tool for PLCs, allowing users to create and manage PLC applications.
Is Pro-H compatible with other PLC platforms?
Pro-H is based on the IEC 61131-3 standard, promoting compatibility with various PLC platforms.
What are the advantages of using Pro-H over other programming systems?
Pro-H offers features like a comfortable user interface, support for various programming languages, a powerful debug system, and compatibility with IEC 61131-3.
How does Pro-H handle multiple configurations and resources?
Pro-H allows users to work with multiple configurations and resources within a single project, making it possible to manage complex PLC applications.

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