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05/2011 MN04802091Z-EN
User Manual XSoft-CoDeSys-2
PLC programming XV100
M003940-02
Imprint
Manufacturer
Eaton Automation AG
Spinnereistrasse 8-14
CH-9008 St. Gallen
Switzerland
www.eaton-automation.com
www.eaton.com
Support
Region North America
Eaton Corporation
Electrical Sector
1111 Superior Ave.
Cleveland, OH 44114
United States
877-ETN-CARE (877-386-2273)
www.eaton.com
Other regions
Please contact your local distributor or send an
e-mail to:
[email protected]
Original instructions
German
Editor
Daniel Lenherr
Brand and product names
All brand and product names are trademarks or registered trademarks of the owner concerned.
Copyright
© Eaton Automation AG, CH-9008 St. Gallen
All rights reserved, also for the translation.
None of this documents may be reproduced or processed, duplicated or distributed by electronic
systems in any form (print, photocopy, microfilm or any other process) without the written permission
of Eaton Automation AG, St. Gallen.
Subject to alteration
2
XSoft-CoDeSys-2
PLC programming XV100 05/2011 MN04802091Z-EN M003940-02 www.eaton.com
Contents
Contents
1
1.1
1.2
1.3
General...............................................................................................................................5
Purpose of this document ...................................................................................................5
Comments about this document .........................................................................................5
Additional documentation....................................................................................................5
2
2.1
2.2
2.3
2.4
Install..................................................................................................................................6
Equipment supplied.............................................................................................................6
System requirements ..........................................................................................................6
Install PLC programming tool..............................................................................................7
Install PLC target systems ..................................................................................................8
3
3.1
3.2
Uninstall .............................................................................................................................9
Uninstall PLC programming tool .........................................................................................9
Uninstall PLC target systems ..............................................................................................9
4
4.1
4.2
4.2.1
4.3
4.4
4.5
Target settings ................................................................................................................10
Target platform..................................................................................................................10
Memory layout...................................................................................................................11
Overview memory layout...................................................................................................12
General .............................................................................................................................13
Network functionality .........................................................................................................14
Visualization ......................................................................................................................15
5
5.1
5.1.1
5.2
5.3
5.3.1
5.3.2
5.3.3
5.4
5.4.1
5.4.2
5.5
5.5.1
5.5.2
5.5.3
5.6
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
PLC configuration ...........................................................................................................16
Working in the PLC configuration......................................................................................16
Project specific configuration files and device files ...........................................................18
General settings ................................................................................................................19
Configuration as CAN-Master ...........................................................................................20
Configuration of CAN-Master ............................................................................................21
Configuration of CAN-Nodes.............................................................................................24
Bus diagnostic...................................................................................................................30
Configuration as CAN-Device ...........................................................................................31
Configuration of CAN-Device ............................................................................................32
Configuration of CAN-Device in CAN-Master ...................................................................36
Configuration as Profibus-Master......................................................................................37
Configuration of Profibus-Master ......................................................................................38
Configuration of Profibus-Slaves.......................................................................................43
Bus diagnostic...................................................................................................................49
SmartWire-DT configuration..............................................................................................50
Configuration of the SWD master and SWD module selection .........................................51
Bus diagnostic...................................................................................................................55
Acyclic Communication .....................................................................................................55
SmartWire-DT LEDs .........................................................................................................55
Config button.....................................................................................................................56
Browser commands ..........................................................................................................57
6
Operation .........................................................................................................................58
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3
Contents
4
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.9.1
Startup behaviour..............................................................................................................58
Switch off behaviour..........................................................................................................58
Operating state of controller..............................................................................................59
Switching the operating state ............................................................................................60
Start behaviour..................................................................................................................61
Stop behaviour ..................................................................................................................62
Reset behaviour ................................................................................................................62
Test and startup ................................................................................................................63
Program transfer ...............................................................................................................64
Create boot project............................................................................................................65
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.9.1
7.9.2
Program execution and system time.............................................................................66
Program execution ............................................................................................................66
Task configuration.............................................................................................................67
Multitasking .......................................................................................................................69
Task monitoring / Watchdog timing...................................................................................69
Data retention....................................................................................................................72
Direct pheriphery access...................................................................................................72
Interrupt processing ..........................................................................................................72
System libraries, function blocks and functions ................................................................73
Process image / IO-Update...............................................................................................73
CAN-Bus ...........................................................................................................................74
Profibus .............................................................................................................................74
8
8.1
Connection establishment programming PC – Controller..........................................75
Connection establishment with ethernet ...........................................................................75
9
Parameter manager / Object directory ..........................................................................78
10
PLC browser ....................................................................................................................79
11
Alarm configuration ........................................................................................................80
12
12.1
12.2
Connecting to visualization / Generating of the symbol file.......................................81
Configure symbol file.........................................................................................................81
Download symbol file ........................................................................................................84
13
Target system installation and firmware update..........................................................85
14
14.1
14.2
14.3
14.4
Licensing .........................................................................................................................87
PLC programing tool .........................................................................................................87
PLC runtime system..........................................................................................................87
Target visualization ...........................................................................................................87
Web visualization ..............................................................................................................87
15
Alteration index ...............................................................................................................88
XSoft-CoDeSys-2
PLC programming XV100 05/2011 MN04802091Z-EN M003940-02 www.eaton.com
1 General
1
General
1.1
Purpose of this document
This document describes the use of the PLC programming tool "XSoft-CoDeSys-2" and the PLC
runtime system for XV100 device type with Windows CE. This document serves as addition of the
user manual PLC programming tool CoDeSys V2.3 of the company 3S-Smart Software Solutions
GmbH.
→
1.2
Dialogs and examples in this document are standardized. Depending on selection of the
controller type therefore dialogs can differ.
Comments about this document
Please send any comments, recommendations or suggestions relating to this document to
[email protected]
1.3
Additional documentation
The following documents may be helpful in the use of the device in addition to this document.
The following documents are available in the form of PDF file for download from our home page
(www.eaton-automation.com):
[1] MN05010007Z-EN
System description Windows CE
[2] Various
Documentations concerning PLC function libraries
MN04802103Z-EN
SWD_Util library
[3] System description CiA Draft Standard DSP301
[4] User manual PLC programming tool CoDeSys V2.3
[5] MN05006001Z-EN
SmartWire-DT slave
[6] MN05006002Z-EN
System description SmartWire-DT
[7] MN05013002Z-EN
SmartWire-DT Gateways
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5
2 Install
2
Install
The "XSoft-CoDeSys-2" product is an independent software package. It consists of a software
component (PLC programming tool with appropriate PLC target systems) which is installed on any
programming PC, and a software component which is installed on PLC target systems with Windows
CE ( Chap. 14) provided this has sufficient license points.
→
2.1
If you have any questions on license products, please contact your local Eaton sales
distributor.
Equipment supplied
Designation
Software "XSoft-CoDeSys-2" incl. user manual
Version
2.3.9 SP2 or
2.3.9 SP2 (Patch 1)
Consisting of:
Designation
CoDeSys
CoDeSys Gateway
CoDeSys OPC-Server 1
PLC target system
XV-1xx-V2.3.9 SP2 (Patch 1)
2.2
Version
2.3.9.26
2.3.9.21
2.3.13.7
PLC runtime system
PLCWinCE V 2.4.9 (xxx)
Operating system (OS)
Windows CE 5.0
Image Release 2.24.5 (xxx)
System requirements
Operating system
Windows XP, Windows Vista, Windows 7
1
6
Optional installation, component is not part of this documentation
XSoft-CoDeSys-2
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2 Install
2.3
Install PLC programming tool
Insert the installation CD into your PC and start the installation with 'Setup.exe'.
→
If no series number or license key is available by the installation of the PLC programming
tool, the target systems are installed in the demo mode.
The installation will create the following directories by default:
Directory
Programming system directory
C:\Program Files\Eaton\XSoft-CoDeSys V2.3.9 SP2
Target system directory
C:\Program Files\Common Files\CAA-Targets\Eaton
Automation\V2.3.9 SP2
resp.
C:\Program Files\Common Files\CAA-Targets\Eaton
Automation\V2.3.9 SP2 (patch name)
Description
PLC programming tool
Target specific components such as libraries
and configuration data incl. firmware for PLC
target systems
Behaviour in relation to installed PLC programming tool
Already installed versions of PLC programming tool "XSoft-CoDeSys-2" and appropriate PLC target
systems are not affected.
→
All PLC target systems appropriate for installation are assigned a new designation or
identification.
→
If you would like to update PLC projects, which are created with older version of the PLC
programming tool, then the PLC target system must be changed. After closing and renewed
opening of the PLC project, the PLC project will updated and the new libraries merged.
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2 Install
2.4
Install PLC target systems
The PLC target systems appropriate for the PLC programming tool are installed by default with the
setup.
However, it is also possible to install or remove PLC target systems at a later time using the
'InstallTarget' function.
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3 Uninstall
3
Uninstall
3.1
Uninstall PLC programming tool
When the PLC programming tool is uninstalled, only installed files and components are removed.
Files and directories in the programming system directory must therefore be removed manually if
necessary.
3.2
Uninstall PLC target systems
When the PLC programming tool is uninstalled, the target specific components such as libraries and
configuration data in the target system directory are not removed.
The installed PLC target systems must be removed using appropriate uninstall routine.
→
Alternatively installed PLC target systems can also be removed from the PLC programming
tool using the 'InstallTarget' function.
Subsequently, the target specific components in the target system directory must be
removed manually.
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4 Target settings
4
Target settings
This dialog opens automatically if a new project is created. Otherwise it is reached via <Target
settings> in the 'Resources' tab.
In the target settings, select the appropriate PLC type. This configuration selects optimum settings for
processor type and memory size. The entry 'None' automatically activates Simulation mode.
→
Changes to the preset target settings can have an effect on the behaviour of the target
system!
If necessary the Default button resets the changed configuration to the standard configuration.
4.1
Target platform
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4 Target settings
4.2
Memory layout
Code size
Default 1024KB (16#100000) memory for program code. This memory is allocated automatically.
Global size
Default 256KB (16#40000) memory for global data. This memory is allocated automatically.
Maximum number of POUs
Each POU needs 12Byte memory automatically. Altogether 12KB memory is needed for the function
pointer table (1024 components -> 12KB). This memory is added to the PLC data memory.
→
The calculation of the number of POUs used in the program includes all functions and
function blocks of inserted libraries.
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4 Target settings
4.2.1
Overview memory layout
Default settings with online change
Number of data segments = 1
Size of data segment = 256KB
32KB retentive data area
12KB Function pointer table
12KB In/Output marker data
1 * 256KB global data storage area
1024KB program code
(Online Change)
1024kB program code
→
12
During the standard compilation of the PLC program the PLC programming tool displays the
size of the data area to the user.
The PLC browser and the command 'sysinfo' can be used to determine the size of the PLC
program online ( Chap. 10)
XSoft-CoDeSys-2
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4 Target settings
4.3
General
No address check
If this option is activated, the addresses are not checked during the compilation.
Download symbol file
If this option is activated, a symbol file will be created during the compilation and will be downloaded
Support preemptive Multitasking
Multitasking is supported by default (cannot changed by user)
Byte addressing mode
If this option is activated, the addressing takes place bytewise (e.g.: %QD4 corresponds to %QB4).
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4 Target settings
4.4
Network functionality
Support parameter manager
If this option is activated, the entry Parameter Manager appears in the 'Resources' tab. This makes it
possible to create an object directory for variables and parameters, which are used for a controlled
and active data exchange with other PLCs.
→
The object directory functionality is supported in conjunction with an inserted CAN-Device in
the PLC configuration.
→
Please refer to detailed information in the CoDeSys V2.3 user manual or the online help of
the PLC programming tool.
Support network variables
If this option is activated, the network variables can be used. They are used for automatic data
exchange with other PLCs.
→
14
Please refer to detailed information in the CoDeSys V2.3 user manual or the online help of
the PLC programming tool.
XSoft-CoDeSys-2
PLC programming XV100 05/2011 MN04802091Z-EN M003940-02 www.eaton.com
4 Target settings
4.5
Visualization
Depending on the used PLC target system, Target visualization and Web visualization are supported.
Appropriately information is given in the table below.
PLC target system
PLC runtime system
≥ XV-1xx-V2.3.9 SP1
≥ PLCWinCE V 2.4.7 (xxx)
→
Target-Visu
Web-Visu
✔
✔
Please refer to detailed information in the CoDeSys V2.3 user manual, the CoDeSys
visualization user manual or the online help of the PLC programming tool.
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5 PLC configuration
5
PLC configuration
The PLC configuration is found as an object on the 'Resources' tab in the 'Object Organizer'.
The PLC configuration enables inputs and outputs to be configured or bus-compatible I/O modules to
be connected. Configuration files (* cfg) and device files (e.g. *.gsd, *.eds) are used as the basis for
work in the PLC configuration.
The PLC configuration is displayed in the editor in tree structure and can be edited using menu
commands and dialogs. The configuration contains input and/or output elements and also
management elements which themselves also have subelements (for example, CAN, PROFIBUS).
Input and output appear in the editor with the IEC address by which they can be accessed. Each
input and output can be tagged with a symbolic name which is located before IEC address.
5.1
Working in the PLC configuration
The PLC configuration editor is divided up in two parts. In the left window the configuration tree is
displayed. In the right window the currently available configuration dialogs are shown on one or
several tabs.
At the top of the configuration tree the entry of the "root" module is shown with a name which has
been defined in the configuration file *.cfg. Below this are shown hierarchically indented the other
elements of the configuration: Modules of different types (CAN, PROFIBUS, I/O), channels or bit
channels.
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5 PLC configuration
Selecting elements
In order to select elements, click the mouse on the corresponding element, or use the arrow keys to
move the dotted rectangle onto the desired element.
Elements that begin with a plus sign are organization elements and contain subelements. To open an
element, select the element and double-click the plus sign or press <Enter>. You can close opened
elements (minus sign in front of the element) the same way.
Inserting elements, <Insert> <Insert element>, <Insert> <Append subelement>
Depending on the definitions in the configuration file(s) and on the available device files, which have
been read when the project was opened, a basic composition of elements is automatically positioned
in the configuration tree. If one of those elements is selected, further elements may be added if this is
allowed by the definitions in the configuration file and if the needed device files are available:
Menu item <Insert> <Insert element>: An element can be selected and inserted before the element
which is currently marked in the configuration tree.
Menu item <Insert> <Append subelement>: An element can be selected and inserted as subelement
of the element which is currently marked in the configuration tree. It will be inserted at the last
position.
The most important commands are found in the context menu (right mouse button).
Replacing/switching elements, <Extras> <Replace element>
Depending on the definition in the configuration file, the currently selected element can be replaced
by another. It is also possible to switch channels, which are set up in a way that they can be used as
input or as output elements. Use the menu item <Extras> <Replace element>.
Recalculation of Module addresses, <Extras> <Calculate addresses>
If the option Calculate addresses is activated in the dialog 'Settings' of the PLC configuration editor,
then the command 'Extras', 'Calculate addresses' will start to recalculate the addresses of the
modules. All modules starting with the one, which is currently selected in the configuration tree, will
be regarded.
Return to standard configuration, <Extras> <Standard configuration>
The command 'Extras', 'Standard configuration' can be used to restore the original PLC configuration,
which is defined by the configuration file *.cfg of the target system.
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5 PLC configuration
5.1.1
Project specific configuration files and device files
Customized directories for configuration file(s) and device file(s) can be defined project specific with
menu item <Project> <Options>. In the project specific library and configuration path, relative
directory paths to the project can be defined (e.g. .\Libraries, .\PLCconf).
→
18
The project must be closed after defining project specific directories for the configuration
file(s) and device file(s).
After subsequent opening of project the additional configuration file(s) and device file(s) are
visible in the PLC configuration and can be inserted.
XSoft-CoDeSys-2
PLC programming XV100 05/2011 MN04802091Z-EN M003940-02 www.eaton.com
5 PLC configuration
5.2
General settings
Automatic calculation of addresses
If this option is activated, each newly inserted module is automatically allocated with an address,
which the result of the address of the module inserted beforehand plus the size of this address. If a
module is removed from the configuration, the addresses of the subsequent modules are adjusted
automatically. When the command 'Extras', 'Calculate addresses' is executed, all addresses starting
at the selected node (module) will be recalculated.
Check for overlapping addresses
If this option is activated, the project will be checked for overlapping addresses during compilation
and a corresponding message will be displayed
Save configuration files in project
If this option is activated, the information which is contained in the configuration file(s) and the device
description files will be saved in the project.
XSoft-CoDeSys-2
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5 PLC configuration
5.3
Configuration as CAN-Master
The PLC programming tool supports a hardware configuration according to the CANopen Draft
Standard 301. This requires a configuration file, which allows CAN modules to be inserted.
All EDS files (Electronic Data Sheet) and DCF files (Device Configuration File) which are stored in the
defined configuration files directory, can be integrated, edited and displayed in the PLC configuration.
In the EDS file the configuration options of a CAN module are described. If you add a module which
is described in a DCF file, only the IEC addresses can be modified.
The modules receive a configuration, which describes the timing and error behaviour of the data
transmission. Furthermore, the mapping of the PDOs (Process Data Objects) is specified for each
module, which is used for sending and receiving (Receive PDO Mapping or Send PDO Mapping
dialogs). The values of the available SDOs (Service Data Objects) can be changed (Service Data
Objects dialog).
Additional parameters of a CAN module or a CAN Master can be configured in the dialog parameter.
→
20
In the PLC configuration defined PDOs, which have inputs or outputs that are not used in the
PLC program, are not updated by default in the process image.
XSoft-CoDeSys-2
PLC programming XV100 05/2011 MN04802091Z-EN M003940-02 www.eaton.com
5 PLC configuration
5.3.1
Configuration of CAN-Master
5.3.1.1
Base parameters
Node number
The node number is defined by an entry in the configuration file or - if there is no entry - by the
position of the module in the configuration structure and is not editable (not to be confused with the
node-Id, which can be defined by the user).
Input address, Output address
This contains the IEC addresses starting from which the PDOs (Process Data Object) in the project
can be addressed. It depends on the general settings and the definitions in the configuration file,
which addresses are already predefined, which address mode is valid and whether the addresses
can still be edited here.
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5 PLC configuration
5.3.1.2
CAN parameters
In this dialog the global settings and monitoring parameters for the CAN bus are defined.
Baud rate
Baud rate for the transmission between CAN-Master and CAN modules.
Com. Cycle Period, Sync. Window Length, Sync. COB-ID
PDOs (Process Data Object) are either for synchronous or asynchronous transmit modes. The
Communication Cycle Period [µsec] is the time interval in microseconds, in which the
synchronization telegram with the unique number Sync. COB-ID (Communication Object Identifier) is
transmitted.
This option must be activated if synchronization telegrams between CAN-Master and CAN-Slaves are
to be sent.
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5 PLC configuration
Com. Cycle Period
Sync. Window Length
SYNC
telegram
SYNC
telegram
t
Synchronous PDOs
Asynchronous PDOs
The synchronous PDOs are transmitted directly after the synchronization telegram in the defined time
slot Sync. Window Length [µsec]. If Com. Cycle Period and Sync. window length are 0, then no
synchronization telegrams are transmitted.
→
If the synchronization telegram is defined in this dialog, timing jitters between the individual
synchronization telegrams may occur due to the software architecture of the PLC runtime
system.
Alternatively, the task synchronous transmitting of synchronization telegrams can be
configured in the PLC program.
Node-Id
The Node-Id is the unique identification of the CAN module It corresponds to the number which is set
between 1 and 127 on the CAN module itself. The Node-Id must be entered as a decimal number
(not to be confused with the node number, which is used also in the PLC configuration)
Automatic startup
If the option Automatic startup is activated, all CAN modules will be automatically initialized and
started when the PLC program starts up. If the option 'Automatic start' is not activated, the CAN
modules must be manually started up in the PLC program.
Support DSP301, V4.01 and DSP306
This option must be activated, if CAN modules are implemented in the PLC program, which support
this CiA standard.
Heartbeat Master
Monitoring functionality: The CAN-Master transmits heartbeat telegrams with Guard COB-ID
(Communication Object Identifier) at the appropriately defined interval. The default interval for the
transmitting of heartbeat telegrams is 0 ms and is therefore deactivated.
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5 PLC configuration
5.3.2
Configuration of CAN-Nodes
5.3.2.1
Base parameters
Node number
The node number is defined by an entry in the configuration file or - if there is no entry - by the
position of the module in the configuration structure and is not editable (not to be confused with the
node-Id, which can be defined by user).
Input address, Output address
This contains the IEC addresses starting from which the PDOs (Process Data Object) in the project
can be addressed. It depends on the general settings and the definitions in the configuration file,
which addresses are already predefined, which address mode is valid and whether the addresses
can still be edited here.
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5 PLC configuration
5.3.2.2
CAN parameters
Node-Id
The Node-ID is the unique identification of the CAN module. It corresponds to the number which is
set between 1 and 127 on the module itself. The Node-Id must be entered as a decimal number (not
to be confused with the node number, which is used also in the PLC configuration).
Write DCF
If the option write DCF is activated, a DCF file will be created in the defined directory for the compiled
files after an EDS file is inserted. The DCF file name is made up of the name of the EDS file and the
corresponding Node-Id.
Create all SDOs
If the option Create all SDOs is activated, all SDOs will be created and transferred to the CAN-Node.
Otherwise only SDOs are transferred which are different to the default value of the EDS file.
Reset node
If the option Reset node is activated, then the CAN-Slave will be reset before downloading the
configuration by SDO command ‘restore all default parameters’ (Index 16#1011 Sub-Index 1 with
value "Load", 16#23 11 10 01 6C 6F 61 64).
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5 PLC configuration
Optional device
If the option Optional device is activated, only in certain circumstances is the presence of the CAN
node on the CAN bus checked after the start of the PLC program.
If the CAN node is not on the CAN bus, no node monitoring takes place. The node monitoring in the
CAN diagnostic system takes place without the optional CAN node.
If the CAN node is connected on the CAN bus before the start of the PLC program, node monitoring
is activated and evaluated in the CAN diagnostic system.
If the CAN node is connected on the CAN bus after the start of the PLC program, the CAN diagnostic
system detects a node error.
No initialization
If the option No initialization is activated, the PLC program is starting without an initialization and
starting of the CAN node.
Nodeguard settings
If the option Nodeguarding is activated, a guard telegram will be transmitted to the CAN module
according to the interval set by Guard Time in milliseconds. If the CAN module does not then send a
guard telegram with the given Guard COB-ID (Communication Object Identifier), it will receive the
status "timeout".
As soon as the number of attempts (Life Time Factor) has been reached, the CAN module will
receive the status "not OK". The status of the CAN module will be stored in the CAN diagnostic
system and can be checked in the PLC program.
No monitoring of the CAN module will occur if the variables Guard Time and Life Time Factor are not
defined (0).
→
Nodeguard functionality serves as alternative to heartbeat functionality.
Heartbeat settings
If the option activate heartbeat generation is activated, the CAN module transmits heartbeat
telegrams with the given Guard COB-ID (Communication Object Identifier) according to the interval
set by Heartbeat Producer Time. The CAN master expects this heartbeat telegram in this interval. If
the CAN master does not receive this heartbeat telegram, the CAN module is detected as "not OK".
The status of the CAN module will be stored in the CAN diagnostic system and could be checked in
the PLC program.
If the option activate heartbeat consumer is activated, the CAN module expects heartbeat
telegrams of the CAN master with the given Guard COB-ID (Communication Object Identifier)
according to the interval set by Heartbeat Master.
→
26
Heartbeat functionality serves as alternative to nodeguard functionality
XSoft-CoDeSys-2
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5 PLC configuration
Emergency telegram
A module sends an emergency message, with a unique COB-ID, when there is an internal error.
These messages, which vary from module to module, are stored in the diagnostic system and can be
checked in the PLC program.
Info-Button
The entries "FileInfo" and "DeviceInfo" of the EDS or DCF file from the corresponding module
manufacturer are hidden behind the Info button.
5.3.2.3
Module selection
If the inserted CAN module has a modular design and if it supports the appropriate standards (DSP
301, V4.01 and DSP 306), then the tab CAN Module selection appears. The configuration of the
appropriate structure can be made by adding with Add button or removing with Remove button.
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5 PLC configuration
5.3.2.4
PDO-Mapping (Receive, Send)
The tabs Receive PDO mapping and Send PDO mapping in the configuration dialog allow the
"mapping" of the module described in the EDS file to be changed.
All "mappable" objects in the EDS file are located on the left side and can be added to the right side
to the PDOs (Process Data Object) with >> button or removed again with Remove button.
The StandardDataTypes can be inserted to create empty spaces in the PDO.
The Insert Element button can be used to create further PDOs and to add appropriate objects to
them. The allocation of inputs or outputs to the IEC addresses can be achieved via the inserted
PDOs. The setting which has been made in the PLC configuration will become visible after the dialog
is left. The individual objects can be defined there with symbolic names.
→
28
The communication channels send and receive are from the point of view of the CAN
module. This means that inputs configured in the PLC program are from the point of view of
the CAN module in the send channel and outputs are in the receive channel
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5 PLC configuration
The standard set properties of the PDOs can be edited with Properties button. The field appears in
grey and cannot be edited if an option is not supported by the module or if the value cannot be
changed.
COB-ID
Each PDO message requires a unique COB-ID (Communication Object Identifier).
Inhibit Time
The Inhibit Time is the minimum time between two messages from this PDO. This is to prevent PDOs
which are sent when the value is changed from being sent too often.
Transmission Type, Number of Sync’s, Event-Time
Transmission Type offers you a selection of possible transmission modes for these PDOs:
acyclic – synchronous : the PDO will be transmitted synchronously but not periodically.
cyclic – synchronous : the PDO will be transmitted synchronously, whereby the Number of Sync's
specifies the number of synchronization messages between two transmissions of this PDO.
cyclic – RTR only : the PDO will be updated after each synchronization message but not sent. It is
only sent when there is an explicit request to do so (Remote Transmission Request).
asynchronous – RTR only : the PDO will only be updated and transmitted when there is an explicit
request to do so (Remote Transmission Request).
asynchronous – manufacturer specific and asynchronous – device profile specific : the PDO
will only be transmitted when specific events occur. An addition event can be defined with the EventTime. Enter here in milliseconds (ms) the interval between two transmissions.
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5 PLC configuration
5.3.2.5
Service Data Objects
The following is a list of all objects in the EDS or DCF file which are in the area of the Index 0x2000 to
0x9FFF and which are marked as writable.
The properties Index, Name, Value, Type and Default are displayed for every object. The value can
be changed. Mark the value and press the <Space bar>. After making the change confirm the new
value with <Enter> or reject it with the <Escape> pushbutton.
The set values are transmitted in the form of SDOs (Service Data Object) to the CAN modules at the
initialization of the CAN bus
5.3.3
Bus diagnostic
Various function libraries are available for configuring the bus diagnostics in the PLC program.
→
30
Please refer to the detailed function descriptions in the relevant documentation of the
function libraries.
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5 PLC configuration
5.4
Configuration as CAN-Device
A device which is programmed with the PLC programming tool "XSoft CoDeSys-2" can appear and
be used in a CAN network as CANopen Slave (called in the following CAN-Device).
The parameter manager, PLC configuration and library functions make the following options
available:
Configuration of the variable or parameter lists, which are used for data exchange between CANDevice and CAN-Masters (parameter manager, provide the object listing).
Configuration of the nodeguard/heartbeat functionality, the emergency message, the node
number Node-Id and the baud rate.
Configuration of default PDO mapping based on the variable or parameter lists.
Generation of the EDS file, which describes the CAN-Device and which can be inserted in the
PLC program of the CAN-Master.
Library functions for CAN-Device to monitor and administrate the object listing
The following functions are not available:
dynamic SDO or SDO identifier
SDO block transfer
Implicit generation of emergency messages. Emergency messages must always be generated
by the application. The library provides for this an FB which can be used by the application.
Dynamic changes of the PDO properties/runtime properties
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5 PLC configuration
5.4.1
Configuration of CAN-Device
5.4.1.1
Default setting
Bus identifier
Currently not used!
Name of update task
Name of the task, in which the CAN-Device is called.
EDS file generation
If the option EDS file generation is activated, it will generate an EDS file with the Name of the EDS
file in order to be able to use the current configuration later in any master configuration.
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5.4.1.2
CAN settings
Node-Id
The Node-ID is the unique identification of the CAN-Device. It corresponds to the number which is
set between 1 and 127 on the CAN-Device itself. The Node-Id must be entered as a decimal number
(not to be confused with the node number, which is used also in the PLC configuration).
→
The Node-ID can be overlaid by means of library functions in the PLC program. Thus it is
possible to write a PLC program for several CAN-Devices, without changing the PLC
configuration of the CAN-Devices.
Device type
The Device type (default value of object 0x1000) of the device is predefined with 0x191 (standard IO
Device) and can be changed by the user.
Baud rate
Baud rate for the transmission between CAN-Master and CAN-Device
Automatic startup
If the option Automatic startup is activated, the CAN bus will be automatically initialized and started
by PLC program start.
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5 PLC configuration
Nodeguard settings
Parameterization of Guard COB-ID (Communication Object Identifier), Guard Time in milliseconds
and Life Time Factor. These parameters are inserted as default values into the EDS file of the CANDevice and can be changed afterwards in the PLC configuration of the CAN-Master.
→
Nodeguard functionality serves as an alternative to heartbeat functionality.
Heartbeat settings
Parameterization of Heartbeat Producer Time and Heartbeat Consumer Time in milliseconds.
These parameters are inserted as default values into the EDS file of the CAN-Device and can be
changed afterwards in the PLC configuration of the CAN-Master.
→
Heartbeat functionality serves as an alternative to nodeguard functionality.
Emergency telegram
Parameterization of Emergency message with a unique COB-ID. These parameters are inserted as
default values into the EDS file of the CAN-Device and can be changed afterwards in the PLC
configuration of the CAN-Master.
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Default PDO mapping
The variable or parameter lists are created in the Parameter Manager, which are available afterwards
in the PDO mapping of the CAN-Device.
→
In order to be able to open the Parameter Manager, it must be activated and defined with
correct index/subindex ranges in the map 'Network functionality' of the target settings.
The Default-PDO-Mapping tab allows the entries which are defined in the Parameter Manager to be
assigned/modified to the "Mapping" of the CAN-Device.
All "mappable" objects are located on the left side and can be added in the right side to the PDOs
(Process Data Object) with button >> or removed again with button Remove.
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5 PLC configuration
The properties of the PDOs can be edited with button Properties. These can be changed afterwards
in the PLC configuration of the CAN-Master.
5.4.2
Configuration of CAN-Device in CAN-Master
After insert of CAN-Device, PLC configuration makes the following options available:
Configuration of the nodeguard/heartbeat functionality, the emergency message and the node
number Node-Id.
Configuration of PDO mapping based on the default PDO mapping if the EDS file.
→
36
Please refer to the detailed information in the chapter 'Configuration of CAN-Nodes' (
Chap. 5.3.2).
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5 PLC configuration
5.5
Configuration as Profibus-Master
The PLC programming tool supports a hardware configuration according to Profibus-DP Standard.
This requires a configuration file which allows Profibus modules to be inserted.
All GSD files which are stored in the defined configuration files directory, can be integrated, edited
and displayed in the PLC configuration. The configuration options of a Profibus module are described
in the GSD file.
The modules are assigned a configuration, which describes the timing and error behaviour of the
transmission.
→
Objects defined in the PLC configuration for which the inputs or outputs are not used in the
PLC program are not updated by default in the process image.
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5 PLC configuration
5.5.1
Configuration of Profibus-Master
The following Profibus-Masters is implemented in the PLC configuration:
Designation
DP-Master CMM-MPI
(MPDP4D09.GSD)
5.5.1.1
Description
Profibus-Master DP-V1 for Profibus DP / FMS and MPI
Base parameters
Node id
The node identification is defined by an entry in the configuration file or - if there is no entry - by the
position of the module in the configuration structure and is not editable (not to be confused with the
node ID, which can be defined by user).
Input address, Output address
This contains the IEC addresses starting from which the inputs or outputs in the project can be
addressed. It depends on the general settings and the definitions in the configuration file, which
addresses are already predefined, which address mode is valid and whether the addresses can still
be edited here.
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5.5.1.2
DP parameters
Station address
The Station address is the unique identification of the Profibus-Master. It is predefined with the value
1 and does not have to be edited by the user.
Highest station address
It corresponds to the highest station address existing on the Profibus (adjustable by user, or
calculated by PLC programming tool).
Auto Clear Modus
Each Profibus-Slave has a watchdog, which monitors whether the Profibus-Slave is addressed
cyclically by the Profibus-Master. If this is not the case, the Profibus-Slave switches autonomously
into the safe operating state. If this means a high safety risk, the option Auto Clear Mode causes the
Profibus-Master to switch automatically from operating state "operate" to operating state "clear". This
in turn causes all other Profibus-Slave to be switched to the operating state "clear". Digital outputs
are set to 0 and analogue outputs are set to the configured substitute values (FailSafe).
Automatic startup
If the option Automatic startup is activated, the Profibus will be automatically initialized and started.
→
Must be always selected (a manual start is not supported).
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5 PLC configuration
Groups
→
Freeze- and Sync-Mode are not supported.
The Groups button opens the 'Group properties' dialog. The Group properties pertain to the slaves
assigned to the master. Up to eight groups can be set up. For each group, enter whether it is to
operate in Freeze mode and/or Sync mode. By assigning the slaves to various groups, data
exchange from the master can be synchronized via a global control command. With a Freeze
command, a master instructs a slave or a group to "freeze" inputs in their instantaneous state and to
transfer this data in the next data exchange. With a Sync command, the slaves are instructed to
synchronously switch to the outputs at the next Synch command all data received from the master
following the first command.
In the dialog 'Group properties' can be edited the group names and activated and/or deactivated the
appropriate transmit modes.
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5 PLC configuration
5.5.1.3
Bus parameters
The bus parameters describe the timing of the communication.
Baud rate
Baud rate for the transmission between Profibus-Master and Profibus-Slaves
Use setpoint values
If Use defaults is activated, a default parameter set is used for selected baud rate. If this option is not
activated, the parameters can be changed manually.
→
This option does not take the configured I/Os into account. If optimized parameters for the
bus topology are needed, then these parameters must be determined with an external
Profibus configuration tool (e.g. Sycon supplied by Hilscher).
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5 PLC configuration
Parameters
Name, value and unit are indicated for each object. The value can be changed. Mark the value and
press <Space>. After any changes press <Return> to confirm or press <Escape> to reject the value.
Parameter
Slot Time
(TSL)
Min. Station Delay
(Min. TSDR)
Max. Station Delay
(Max. TSDR)
Quiet Time
(TQUI)
Setup Time
(TSET)
Target Rotation Time
(TTR)
Gap Update Factor
(GAP)
Max. Retry Limit
Min. Slave Interval
Poll Timeout
Data Control Time
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XSoft-CoDeSys-2
Description
Maximum time during which the master waits, after sending a
request message, for the receipt of the first character of the slave's
reply message.
Minimum response time, after which a Slave may reply.
Maximum response time, within which a Slave must reply
Idle period which must be taken into account during conversion of
NRZ (Non Return to Zero) signals to other codings (changeover time
for repeater).
Time, which may lapse between the receipt of a telegram and the
following reaction on the Slave.
Token cycle time setting: Projected time interval in which a master
should receive the token. Result of the sum of the token stop times
of all masters on the bus.
GAP update factor G: Number of bus cycles after which the master's
GAP (address range from its own bus address to the address of the
next active station) searches for an additional, newly inserted active
station.
Maximum number of repeated request attempts by the master when
it has not received a valid response from the slave
Time between two bus cycles in which the slave can process a
request from the master (time basis 100µs). The value entered here
must be checked against the respective specifications in the slave's
GSD file.
Maximum time after which the master's reply in a master-master
communication must be retrieved by the requester (Class 2 DP
master) (time basis 1ms).
Time in which the master reports its status to the slaves assigned to
it. At the same time, the master monitors whether at least one data
exchange each has taken place with the slaves within this period,
and updates the Data_Transfer_List.
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5 PLC configuration
5.5.2
Configuration of Profibus-Slaves
5.5.2.1
Base parameters
Node id
The node identification is defined by an entry in the configuration file or - if there is no entry - by the
position of the module in the configuration structure and is not editable (not to be confused with the
station address, which can be defined by user).
Input address, Output address
This contains the IEC addresses, starting from which the inputs or outputs in the project can be
addressed. These addresses refer to the module. It depends on the general settings and the
definitions in the configuration file, which addresses are already predefined, which address mode is
valid and whether the addresses can still be edited here.
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5 PLC configuration
5.5.2.2
DP parameters
Station address
The Station address is the unique identification of the Profibus module. It corresponds to the number
which is set between 0 and 126 on the Profibus module itself. The station address must be entered
as a decimal number.
Activation
If the option Activation is deactivated, the configuration data is transferred to the Profibus-Slave
during Download, but a data exchange does not occur.
Standard parameter
The Identnumber is assigned by the PNO and is the unique identification number for this device
type. It allows unambiguous reference between Profibus-Slave and the corresponding GSD file. The
parameter TDSR (Time Station Delay Responder) corresponds to the response time after which the
Profibus-Slave may respond at the earliest to the Profibus-Master. Time unit for the transmission of a
bit via Profibus: Reciprocal value of the data baud rate: e.g. 1 TBit at 12MBaud=1/12.000.000
Bit/sec=83ns. The parameter Lock/Unlock enables the Profibus-Slave to be locked or released for
other Profibus-Masters:
0: min.TSDR and slave-specific parameters may be overwritten
1: Slave released to other masters
2: Slave locked to other masters, all parameters are accepted
3: Slave released to other masters
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5 PLC configuration
Watchdog
If the option watchdog control is activated, the defined watchdog time applies. If the Profibus-Slave
has not been accessed by the Profibus-Master within this time, it is reset to its initialization state.
→
The same watchdog control time must be set on all slaves.
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5 PLC configuration
5.5.2.3
Module selection
If the inserted Profibus module has a modular design and if it supports the appropriate standards,
then the Input/Output tab appears. The configuration of the appropriate structure can be made by
adding with the Add button or removing with the Remove button.
The Properties button opens the 'Module properties' dialog for the input or output module currently
selected in the left or the right list. It shows the name, the configuration (module description coding
according to PROFIBUS standard) and the input and output lengths of the module in bytes. If the
module description in the GSD file contains specific parameters in addition to the standard set, these
are listed here with their values and range of values. If the Symbolic names option is activated, the
symbolic names are then used.
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5 PLC configuration
5.5.2.4
User parameters
This tab lists various extended parameters of a Profibus-Slave defined in the GSD file. The column
Parameters shows the name of the parameter. The parameter values entered in column Value can
be changed. The Value range is also specified.
If symbolic names are also specified for the parameters in the GSD file, the option Symbolic names
can be activated, so that the values can be displayed with these names. The Length of user
parameters is also given above the table as information.
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5 PLC configuration
5.5.2.5
Groups
→
Freeze- and Sync-Mode are not supported.
This dialog is used for assigning the Profibus-Slave to one or more of the eight possible groups. The
universally applicable group properties (Sync. Mode and/or Freeze Mode), on the other hand, are
defined during configuration of the Profibus-Master's properties. This dialog can also be reached via
the Global Group Properties button.
The group(s) to which the Profibus-Slave is assigned are marked with a plus sign. The assignment to
or removal from a group is accomplished by selecting the group name in the Group Membership
column and pressing 'Add slave to group' or 'Remove slave from group' with the right mouse button,
or by clicking again with the mouse to the left of the group name.
A Profibus-Slave device can only be assigned to those groups whose properties it supports. The
relevant properties of each slave (Sync. Mode / Freeze Mode) are displayed above the table. The
modes supported by the device are checked.
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5.5.3
Bus diagnostic
For configuring the bus diagnostics in the PLC program various function libraries are available.
→
Please refer to the detailed function descriptions in the relevant documentation of the
function libraries.
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5 PLC configuration
5.6
SmartWire-DT configuration
The PLC programming environment supports the configuration and operation of a SmartWire-DT
network.
The adding of SmartWire-DT slaves requires the use of an 'SWD-Master.gsd' configuration file that
contains the relevant data for the slaves. This file is located in the folder 'SWDConf'.
→
A general description of the SmartWire-DT system is provided in the document "SmartWireDT System", MN05006002Z-EN.
→
Function descriptions and information about the input/output data volume of the individual
SmartWire-DT slaves is provided in the document "SmartWire-DT slaves", MN05006001ZEN.
System requirements
50
PLC target system
PLC runtime system
≥ XV-1xx-V2.3.9 SP2 (Patch 1)
≥ PLCWinCE V 2.4.9 (xxx)
Operating system (OS)
Windows CE 5.0
≥ Image Release 2.24.5 (xxx)
→
Objects defined in the PLC configuration for which the inputs or outputs are not used in the
PLC program are not updated by default in the process image.
→
The update time of SmartWire-DT IOs depends on the total number of SmartWire-DT IOs
and the baud rate used.
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5 PLC configuration
5.6.1
Configuration of the SWD master and SWD module selection
The following SWD master is provided in the PLC configuration:
Designation
SWD Master
Description
Coordinator : V1.00 Build 1
In the PLC configuration choose Append subelement
5.6.1.1
SWD master….
Base parameters
Node id
The node identification is defined by an entry in the configuration file or - if there is no entry - by the
position of the module in the configuration structure and is not editable.
Input address, Output address
Here you enter the IEC addresses, starting from which the inputs or outputs in the project can be
addressed. The general settings and the definitions in the configuration file determine which
addresses are already predefined, which address mode is used in the configuration, and whether the
addresses can still be edited here.
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5 PLC configuration
5.6.1.2
Slave selection
Change over to the Inputs/Outputs tab.
The slaves (modules) can then be added to the inserted SmartWire-DT master. The known slaves
appear in the left-hand window of the Inputs/Outputs tab. The configuration of the appropriate
structure can be made by selecting or removing SmartWire-DT slaves.
Please heed of the correct sequence. The modules must be configured just as they will be arranged
afterwards in your application.
A total of 99 SmartWire-DT slaves can be connected on a SmartWire-DT line. The length of the
SmartWire-DT network can be extended up to 600 meters.
Clicking the Properties button opens the Module Properties dialog of the currently selected
SmartWire-DT slave. It shows the name, the Config (coding of the IO image in accordance with the
PROFIBUS standard) and the input and output length of the module in bytes.
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The parameters 'Presence of device on SWD' and 'Replacement by universal module' are standard
parameters for all SmartWire-DT slaves.
The 'Presence of device on SWD' entry determines whether a slave in the SmartWire-DT network is
classed as necessary (Device shall be present) or as optional (Device may not be present). The
absence of a necessary slave switches the SmartWire-DT network to the FAILSAFE state. The
absence of an optional slave has no effect on the state of the SmartWire-DT network. The default
setting is 'Device shall be present'.
The entry 'Replacement by universal module' defines whether a slave in the SmartWire-DT network
can be replaced by a universal slave. The default setting is 'not allowed'.
If the slave contains additional parameters, these are also listed here with the corresponding value
and value range. If the Symbolic names option is activated, the possible settings are represented
with symbolic names.
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5 PLC configuration
5.6.1.3
User parameters
Move to the User parameters tab
This is where you carry out the general settings of the SmartWire-DT network.
The 'Baudrate' parameter is used to set the SmartWire-DT baud rate. Permissible values: 125kBaud
/ 250kBaud (default setting).
The parameter 'Compatible devices allowed' defines whether a device that is compatible with the
configured device is also allowed instead of it.
Default setting = No
For example, an M22-SWD-K22LED-W is used in the network instead of a configured M22-SWDK11LED-W. Only slaves with an identical "Family code" and a higher "Device Code" are accepted
as compatible slaves.
The parameter 'All slaves optional' enables all configured SmartWire-DT slaves to be classed as
optional slaves via a switch.
Default setting = Defined for each slave
'Delay betw. Cyclic exchange(ms)' is used to set a delay time between two cyclical data telegrams.
Default value = 0
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5.6.2
Bus diagnostic
Each SmartWire-DT slave always provides status information in its first input byte:
Bit 0-3:
Slave-specific user data.
Bit 4:
TRUE = Extended diagnostics message present for the slave.
Bit 5:
Reserved.
Bit 6:
TRUE = The slave is present.
Bit 7:
TRUE = The slave is replaced by a universal module.
Other status messages on the SmartWire-DT coordinator and the connected slaves can be called
using the functions and function blocks of the SWD_Util library. Description in document
MN04802103Z-EN.
5.6.3
Acyclic Communication
Acyclic communication with SmartWire-DT slaves can be started with the function block
SWD_ACYCLICREQUEST in the SWD_Util library.
5.6.4
SmartWire-DT LEDs
Three LEDs are provided on the XV100-SWD hardware. These are called POW, CONFIG and SWD.
POW-LED
State
Description
OFF
Power supply of the local SmartWire-DT not present.
Green continuous Power supply of the local SmartWire-DT ASIC OK.
light
CONFIG-LED
For a data exchange the created configuration (= designed configuration) must match the
configuration actually present in the SWD master (target configuration). The result of the check is
indicated via the SmartWire-DT Config LED.
State
OFF
Green continuous
light
Flashing (green)
Red continuous
light
XSoft-CoDeSys-2
Description
No project configuration or faulty target configuration (see SWD LED).
Project configuration identical to stored target configuration.
Project configuration compatible with stored target configuration.
Project configuration and stored target configuration are not compatible.
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5 PLC configuration
SWD-LED
If a configuration is stored in the SWD master, each time the supply voltage is switched, a check is
made whether the slaves actually found on the network match the stored gateway target
configuration. The result of the check is displayed via the SWD LED.
State
OFF
flashing orange
Green continuous
light
Flashing (green)
Red continuous
light
Flashing (red)
5.6.5
Description
No target configuration present.
Reading and storing the actual slave list as a new target configuration.
The slaves found on the SmartWire-DT line match the target configuration.
Slave search / slave addressing is active.
Short-circuit on the 15 V power supply or no SmartWire-DT slave found.
The slaves found on the SmartWire-DT line do not match the target
configuration, or a SmartWire-DT slave configured as necessary is missing.
Config button
The current configuration can be stored as the target configuration via the Config button on the
XV100-SWD hardware. This function is provided as long as the SmartWire-DT network is not in the
states "SWD_RUN_FAILSAFE" or "SWD_RUN_NORMAL" (Config LED not green).
The target configuration must be carried out every time a slave is exchanged on the SmartWire-DT
network.
The target configuration can also be read and stored via the browser command "swd_setnew".
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5 PLC configuration
5.6.6
Browser commands
The XV100 SmartWire-DT master supports the following browser commands:
Command
?
swd_targetconfig
swd_projectconfig
swd_setnew
swd_version [arg]
swd_data [arg]
swd_state
swd_diag [arg]
swd_param [arg]
swd_umodules
XSoft-CoDeSys-2
Description
Gets the list of implemented and available commands
Shows a list of the SmartWire-DT slaves contained in the currently stored
target configuration.
Shows a list of the SmartWire-DT slaves contained in the currently loaded
project configuration.
Stores the slaves currently found on the SmartWire-DT line as the target
configuration.
Shows version information for one / all SmartWire-DT slave(s).
Shows the current status of the user data on the SmartWire-DT line.
Shows status information of the SmartWire-DT network.
Shows extended diagnostics information of SmartWire-DT slaves.
Shows extended parameter settings of SmartWire-DT slaves.
Shows SmartWire-DT slaves replaced by universal modules.
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6 Operation
6
Operation
6.1
Startup behaviour
After startup the controller executes a system test. If there is no error detected, the controller
switches to the operating state "stop" or "run". The system test contains the following tests:
Memory test
PLC-Program test
The result is visualized in the PLCWinCE window.
In addition the operating state of the controller depends of defined startup characteristics (
6.4)
6.2
Chap.
Switch off behaviour
With a voltage drop the program processing is immediately terminated and all necessary information
for the restart is stored. After renewed switching on, the controller executes a restart.
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6 Operation
6.3
Operating state of controller
Stop
The operating state "stop" is characterized by the following characteristics:
A PLC program is located on the controller
The PLC program is not executed
The operating state "stop" is assumed:
After voltage switch on with defined startup characteristics "stop" (
Chap. 6.4)
Via the PLC programming tool on the PC
After a cycle time timeout / watchdog
Run
In the operating state RUN the PLC program is executed cyclically.
The operating state RUN is assumed:
After the power supply is switched on with defined "warm" start characteristics
Via the PLC programming tool on the PC
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6 Operation
6.4
Switching the operating state
The operating state is switched via the PLCWinCE window or via the PLC programming tool.
It is also possible to define the startup behaviour after power supply switch on by means of the file
PlcRts.reg in the directory PlcRts.
PlcRts.reg
[HKEY_LOCAL_MACHINE\SOFTWARE\Eaton\PLC Runtimesystem]
...
…
"Startup"="WARM"
…
…
The following settings are possible:
Stop "Startup"="STOP”
Warm start (Default setting) "Startup"="WARM”
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6 Operation
6.5
Start behaviour
Procedure
Voltage on
Hardware
ok?
No
No
PLC
program present?
Retentive
?
No
Reset cold
Start (Startup)
Startup=
STOP
?
PLC state:
”- - -”
(No program)
PLC state:
”STOPPED”
No
Startup=
WARM
?
PLC state
”RUNNING”
PLC state:
”STOPPED”
Cold start
A cold start is initiated on the first start after loading the PLC program on the controller or after each
reset cold. All variables of the PLC program are initialized with their startup values and the PLC
program is started.
Warm start
With all further starts of the loaded PLC program or after each reset/reset warm takes place a warm
start. The retentive (RETAIN, RETAIN PERSISITENT) variables keep their values, all remaining
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6 Operation
variables are initialized with their startup values. Variables without explicit startup values are
initialized with their standard startup values.
6.6
Stop behaviour
The processing of the PLC program is stopped at the end of the program cycle. Subsequently, a
reset/reset warm takes place.
6.7
Reset behaviour
Reset / Reset warm
Corresponds to the initialization of warm start
Reset cold
This command resets all variables, also the retentive (RETAIN, RETAIN PERSISTENT) variables to
the startup value.
Reset original
This command resets all variables, also the retentive (RETAIN, RETAIN PERSISTENT) variables to
the startup value and deletes the PLC program on the controller. The controller is set back to the
original state.
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6 Operation
6.8
Test and startup
The controller supports following test and startup possibilities:
Breakpoint/Single step mode
Single cycle mode
Force mode
Online change
→
The power flow control is not implemented and is not supported.
Breakpoint / Single step mode
Breakpoints can be set in the PLC program. During the execution of an instruction tagged with a
breakpoint, the PLC program is stopped task specific on the breakpoint. The subsequent instructions
can be executed in single step mode. In this case the watchdog timing is deactivated.
→
The PLC program stops only on breakpoints of the task, which is defined in the task
configuration as debug task.
Single cycle mode
If single cycle mode is activated, only one task specific program cycle is executed. The outputs are
enabled during the program cycle. At the end of the program cycle the output image is deleted. At the
end of the program cycle the output image is deleted and the outputs are switched off. In this case
the watchdog timing is deactivated.
Force mode
All variables of PLC program can be forced.
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6 Operation
6.9
Program transfer
If the PLC program was compiled without errors in the PLC programming tool (PC), it can be
downloaded to the main memory of the controller and can be started afterwards (
Chap. 8)
During a program transfer from the PC to the controller, the program in the controller is compared
with the program on the PC. If they are not identical, a prompt asks whether the program to be
overwritten is. If this prompt is confirmed, then the controller is switched to the operating mode "stop"
and the new program is loaded to the main memory.
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6 Operation
Communication error
If no connection can be established between the PLC programming tool and the controller, the
following points are to be checked:
Physical connection
Communication parameters in the PLC programming tool
TCP/IP settings in the system settings on the programming PC
TCP/IP settings in the system settings on the control
6.9.1
Create boot project
A PLC program is only power failure protected, if before voltage failure a boot project is created
online and afterwards transferred to the controller.
→
Boot project can only be created "online".
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7 Program execution and system time
7
Program execution and system time
7.1
Program execution
The operational sequence time of a PLC program is called a "task". In addition to the actual PLC
program, all relevant system activities are processed as well.
For example, this includes the following system activities:
Communication with the PLC programming tool
Online changes
Processing of CANopen protocol stack
Processing of process images (IO-Update)
Program execution without task configuration
The first program unit, which is created in a new PLC program, carries automatically the name
PLC_PRG. This starts program execution. The controller processes the PLC_PRG cyclically and free
running with a minimum interval of 10 ms.
Program execution with task configuration
In addition to declaring the special program unit PLC_PRG, the processing of the PLC program can
also be controlled via the task configuration. If a task configuration is defined, a program unit with the
name PLC_PRG does not have to be created.
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7 Program execution and system time
7.2
Task configuration
The task configuration is reached by via <Task configuration> in the 'Resources' tab.
Each task can be assigned a sequence by programs, which are to be executed by the call of the task.
The task priority and task condition specify, in which timing sequence the tasks are to be processed.
A PLC program can consist of several tasks of the same or a different priority, which are processed
cyclically in parameterized time intervals or when particular events occur.
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7 Program execution and system time
The correct definition of a task consists of following parameters:
Task name
Task priority
Task type or task condition
Task monitoring / Watchdog
Task name
Unique task name
Task priority
In order to prioritize the tasks, different task priorities can be assigned. The task priorities can be
defined between 0 and 31. 0 corresponds of the highest and 31 of the lowest priority.
→
Tasks with same priority do not interrupt themselves mutually.
Task type or Task condition
The task condition can be either one time interval, after which the task is to be executed (cyclically),
or a global variable, which causes their execution in the case of a rising edge (event-controlled).
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7 Program execution and system time
An event-controlled task presupposes a cyclic task, which must be programmed in the program of the
cyclic task. Each rising edge of the event initiates afterwards the execution program of the eventcontrolled task.
Task monitoring / Watchdog
Each task can be monitored with the help of the watchdog function (
7.3
Chap. 7.4)
Multitasking
The PLC runtime system is a multitask system. This means that several tasks are processed at the
same time. In a multitask system, individual tasks of different priority can interrupt each other.
The consequence of this is that the consistency of the input/output image is only ensured within the
task which accesses the input/output image. If several tasks of different priority access the same
input/outputs, consistency is only present with the task with the highest priority ( Chap. 7.9)
→
7.4
Always avoid the access of the physical input/outputs by several tasks in order to ensure a
clear controller process.
Task monitoring / Watchdog timing
The task monitoring supervises the cyclic tasks of the PLC program. The task monitoring interrupts
program processing, if the task exceeds a defined time in a defined frequency. By default the outputs
of the controller are switched off when the watchdog time is triggered and the controller is switched
into the operating state "stop". Afterwards the PLC program must be set back with "Reset".
The correct definition of a task monitoring consists of following parameters:
Watchdog on/off
Watchdog time
Watchdog sensitivity
→
If the watchdog for the appropriate task is deactivated in the task configuration, no task
monitoring will take place.
→
In a PLC program without a task configuration, the task monitoring is defined and activated
with a watchdog time of 10ms by default.
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7 Program execution and system time
Functionality
The watchdog is started at the beginning of each processing cycle and terminated after successful
processing. The watchdog is triggered if the task duration is longer than the defined task interval.
The triggering of the watchdog depends further on watchdog sensitivity. The watchdog sensitivity
specifies how many timeouts of the sequential task duration will cause the watchdog to be triggered.
The watchdog is triggered:
with a watchdog sensitivity of 1, on the first timeout of the watchdog timing.
with a watchdog sensitivity of x, only after there have been x timeouts in succession of the
watchdog.
The watchdog is also triggered by a continuous loop if the task duration is longer than the result
from watchdog time * watchdog sensitivity. This criterion is used to detect and respond to
continuous loops with pre selected watchdog functionality.
If you define a watchdog time of 10ms and the watchdog sensitivity of 5, the task is terminated at the
latest after 10ms * 5 = 50ms.
The following examples should explain context of task interval, task duration and watchdog time.
defined task interval = 8ms
defined watchdog time = 8ms
defined sensitivity = 2
Example 1
Task interval
Task duration: 4 ms
Task interval
Task interval
Task interval
Task interval
..
4 ms
4 ms
4 ms
4 ms
4 ms
The watchdog timing is not triggered, because the task duration remains continually within the
defined task interval.
Example 2
Task interval
Task duration: 12 ms
Task interval
Task interval
Task interval
Task interval
4 ms
4 ms
12 ms
..
The watchdog timing is not triggered, because 2 timeouts of the sequential task duration do not occur
in succession.
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7 Program execution and system time
Example 3
Task interval
Task interval
Task duration: 12 ms
Task interval
Task interval
Task interval
..
12 ms
The watchdog is triggered 8ms after the beginning of second task processing, because both task
durations are longer than the indicated watchdog time and occur consecutively.
Example 4 (continuous loop)
Task interval
Task interval
Task interval
Task interval
Task interval
..
Task duration: 16 ms
The watchdog timing is triggered, because the task duration is longer than the multiplication of
watchdog time and watchdog sensitivity.
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7 Program execution and system time
7.5
Data retention
The controller has a storage area for retentive data (RETAIN, RETAIN PERSISTENT). This data is
stored when switching the controller off.
If in certain circumstances a voltage drop terminates program processing in the middle of the
program cycle, the data of the current program cycle will not be consistent.
With the next startup the controller is initialized with the data which was still written correctly by
voltage drop.
Variable behaviour
Action
VAR
VAR RETAIN
VAR PERSISTENT
VAR RETAIN
After Stop → Start
Initialization value
Value retained
Initialization value
Value retained
After warm start or
reset / reset warm
Initialization value
Value retained
Initialization value
Value retained
After cold start or
reset cold
Initialization value
Initialization value
Initialization value
Initialization value
After reset original
Initialization value
Initialization value
Initialization value
Initialization value
After 'Clear all'
and subsequent
program download
Initialization value
Initialization value
Value retained
Value retained
PERSISTENT
→
7.6
Direct pheriphery access
→
7.7
Direct periphery accesses (e.g. process image) are implemented for each specific target.
Interrupt processing
→
72
The variable behaviour of global variables corresponds also to the variable behaviour of local
variables.
Direct interrupt processing is not supported.
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7 Program execution and system time
7.8
System libraries, function blocks and functions
For designing the PLC program various function libraries are available.
→
7.9
Please refer to the detailed function descriptions in the relevant documentation of the
function libraries.
Process image / IO-Update
During compilation of the PLC program the configuration of the inputs or outputs used in each task is
attached to them.
Input image
An instruction "myVar := %IX0.0" leads to an entry in the configuration file, which describes that the
value of the input %IX0.0 must be processed. If the byte %IB0 is used at the same time, the whole
byte is processed instead of a bitwise access.
This configuration is created for each task and attached to the relevant task. Based on this
configuration the inputs are read at the beginning of the task.
Output image
An instruction "%QX0.0 := myVar" leads in the configuration file to an entry, which describes that the
value of the output %QX0.0 must be processed. If the byte %QB0 is used at the same time, the
whole byte is processed instead of a bitwise access.
This configuration is created for each task and attached to the relevant task. Based on this
configuration the outputs are read at the end of the task.
→
When creating the program concurrent accesses (i.e. access to the same input/output
address from several tasks) should be avoided. This can lead to an inconsistent input/output
image!
Warnings of concurrent access are displayed in the message window when compiling the
PLC program.
The processing of the input/output image varies according to the different bus systems and the
corresponding transmission mechanisms.
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7 Program execution and system time
7.9.1
CAN-Bus
The inputs or outputs are packed in PDOs up to 8 byte data length. The Rx- and Tx-PDOs are
updated in the task with the highest priority, which the PDO references.
The used inputs or Rx-PDOs are read at the beginning of the task and transferred to the input image.
The used outputs or Tx-PDOs are taken from the output image at the end of the task and written
afterwards.
→
7.9.2
If the same Rx- or Tx-PDOs are used in different tasks, this can lead to cycle-inconsistent
data:
With inputs it may occur that values are changed within a lower priority task cycle, because
the inputs are read again by a task with higher priority.
Outputs can be sent too soon by another task, because the outputs are written again by a
higher priority task.
Profibus
Profibus-Master CMM-MPI
The inputs and outputs are updated in an additional cyclic system task (driver task). This takes place
asynchronously to the tasks of the PLC program.
The used inputs are read from the driver task at the beginning of the task and transferred to the input
image.
The used outputs are taken from the output image at the end of the task, transferred to the driver task
and written afterwards.
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8 Connection establishment programming PC – Controller
8
Connection establishment programming PC – Controller
8.1
Connection establishment with ethernet
Communication of the programming PC to the controller takes place with Ethernet and the TCP/IP
protocol. For a direct connection, without Ethernet hub or switch, a crossed cable "Crossover" is to be
used. On the controller a standard RJ45 jack is attached.
crossed RJ45 TwistedPair-Cable
For a connection to the PLC via an Ethernet hub or switch a straight (uncrossed) cable should be
used.
Straight RJ45 TwistedPair-Cable
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8 Connection establishment programming PC – Controller
Communication parameters
The 'Communication parameters' dialog is reached in the PLC programming tool via menu item
<Online> <Communication parameters>. In this dialog the parameters are defined, which are valid for
the communication between the programming PC and the controller.
All already created communication routes are listed in the 'Communication parameters' dialog under
"Channels". Select now one of the channels, by clicking an entry with the mouse. The appropriate
parameters are then indicated in the table. For a connection via Ethernet a channel of the type Tcp/Ip
(level 2 route) should be used. The parameter address specifies the IP address of the controller
which is used to communicate by this channel.
Setting a new channel
Click the button New. The 'Communication parameters: New channel' dialog appears:
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8 Connection establishment programming PC – Controller
The name used for the last entered channel is automatically proposed in the Name entry field. You
can edit here the channel names. The channel names are solely for information, unicity is not
mandatory but is recommended.
The available device drivers on the gateway computer are listed in the table under Device. In the
Name column, click the driver Tcp/Ip (Level 2 Route) in order to select it. The corresponding
comment, if any, appears in the Info column.
If you close the dialog 'New channel' with OK, the newly defined channel appears in the
'Communication Parameters' dialog as a new entry in Channels at the lowest position under the
minus sign. So far, it is only stored locally in the project. At this point you can edit the Value column.
Double click on the column value/row address and put the IP address of the controller and complete
the entry with Return. Now confirm the entered parameters with OK, thus leaving the
'Communication Parameters' dialog.
The parameters for a channel already known by the gateway server can no longer be edited in the
configuration dialog. The parameter fields appear grey. You can, however, delete the connection as
long as it is not active.
Please note that the deletion of a channel is not reversible. It occurs at the moment that you press on
the button Remove !
→
Save your PLC program with the new communication parameters, compile this and
afterwards log on the controller.
→
Make sure that the IP addresses of the programming PC and the controller belong to the
same address family. Please refer to detailed information in the documentation "Networks in
brief".
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9 Parameter manager / Object directory
9
Parameter manager / Object directory
If the option is activated, the entry Parameter Manager appears in the 'Resources' tab. This makes it
possible to create an object directory for variables and parameters, which serve a purposeful active
data exchange with other controllers.
78
→
The object directory functionality is supported in connection with an inserted CAN-Device in
the PLC configuration.
→
Please refer to detailed information in the CoDeSys V2.3 user manual or the online help of
the PLC programming tool.
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10 PLC browser
10
PLC browser
The PLC browser is a text-based controller monitor (terminal). Commands for the request of specific
information from the controller are entered in an entry line and sent as string to the controller. The
returned response string is displayed in a result window of the PLC browser. This functionality is used
for diagnostics and debugging tasks.
The PLC browser is reached via <PLC-Browser> in 'Resources' tab.
The available commands were divided into two groups:
Standard browser commands
Target system specific browser commands
These commands are managed in a file and implemented accordingly in the PLC runtime system.
Command
?
...
→
Description
Gets the list of implemented and available commands
...
In order to use the PLC browser functionality, you must be connected online with the target
system.
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11 Alarm configuration
11
Alarm configuration
All PLC target systems with enabled target visualization support the CoDeSys alarm configuration
( Chap. 4.5).
→
80
Please refer to detailed information in the CoDeSys V2.3 user manual, the CoDeSys
visualization user manual or the online help of the PLC programming tool.
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12 Connecting to visualization / Generating of the symbol file
12
Connecting to visualization / Generating of the symbol file
The symbol file provides a basis for communication between the controller and a possible used
visualization. The content of this symbol file is configured in the PLC programming tool. During
compilation this symbol file is generated and loaded with the subsequent program download to the
controller.
12.1
Configure symbol file
The content of the symbol file is configured in the symbol configuration. The symbol configuration is
reached by menu item <Project> <Options>.
→
If the simulation is activated in the 'Online' menu item, the functionality 'symbol configuration'
does not appear in the 'Options' dialog.
In order for the symbol file to be generated during compilation the option Dump symbol entries must
be activated.
The Configure symbol file button is used to define from which objects the variables are exported
into the symbol file.
→
It is recommended that only the variables needed for the variable exchange with visualization
are exported into the symbol file. Therefore the range of these variables should be
structured. This is done by defining global variable sheets or by using of pragma-instructions.
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12 Connecting to visualization / Generating of the symbol file
→
Please refer to the detailed information in the CoDeSys V2.3 user manual or the online help
of the PLC programming tool.
All objects are selected by default. When first opening this dialog therefore deactivate the 'Export
variables of object' option for all objects.
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12 Connecting to visualization / Generating of the symbol file
Now activate selectively the 'Export variables of object' option for the desired objects.
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12 Connecting to visualization / Generating of the symbol file
12.2
Download symbol file
In order to load the symbol file is loaded onto the controller during project download, the Download
symbol file option must be activated in the 'General' tab of the target settings
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13 Target system installation and firmware update
13
Target system installation and firmware update
The target system installation or the firmware update is implemented by calling the
"TargetFirmwareWinCE" program and is reached in the PLC programming tool via <PLC
configuration> in the 'Other parameters' tab.
Activate in the area "Update operating system" the button Start und select appropriate Firmware.
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13 Target system installation and firmware update
The following installation types are available:
FTP Installation : The installation of the directories PlcRts and PlcPrg is made by FTP.
Installation to a removable drive : The removable drive (e.g. CompactFlash™) must be available
on the programming PC by an adapter (e.g. PC Card adapter). The installation of the directories
PlcRts and PlcPrg takes place directly on the removable drive.
Installation to a local directory : The installation of the directories PlcRts and PlcPrg takes place in
a local directory on the programming PC. Subsequently, the directories PlcRts and PlcPrg must be
copied manually into the root directory on removable drive (e.g. CompactFlash™).
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→
The stored PLC program remains by firmware update.
→
The listings PlcRts and PlcPrg are not deleted with a target system installation or firmware
update. Existing files are only overwritten.
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14 Licensing
14
Licensing
14.1
PLC programing tool
The PLC programming tool is subject to license.
→
14.2
If no series number or license key is available by the installation of the PLC programming
tool, the target systems are installed in the demo mode.
PLC runtime system
The PLC runtime system is license requiring and needs 100 license points on the PLC target.
→
If license points are missing with the start of the PLC runtime system, the processing of the
PLC program is not started. The PLC program starts in the operating state "stop".
The processing of the PLC program can be made afterwards in the PLC programming tool via menu
item <Online> <Start>.
14.3
Target visualization
The Target visualization is license requiring and needs 100 license points on the PLC target.
→
If license points are missing with the start of the PLC runtime system, the processing of the
PLC program is not started. The PLC program starts in the operating state "stop".
The processing of the PLC program can be made afterwards in the PLC programming tool via menu
item <Online> <Start>.
14.4
Web visualization
The Web visualization is not license requiring and needs no license points on the PLC target.
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15 Alteration index
15
Alteration index
Index
01
02
88
Date / Visa
21.12.10 / DL
05.05.11 / NM
25.05.11 / DL
XSoft-CoDeSys-2
Changes
Initial version
Description of the SWD configuration added,
Adaptions and corrections
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