Digital output module F-DQ 8x24VDC/2A PPM

Digital output module F-DQ 8x24VDC/2A PPM
Translation of original operating instructions
Digital output module
___________________
Preface
F-DQ 8x24VDC/2A PPM
1
___________________
Documentation guide
(6ES7526-2BF00-0AB0)
SIMATIC
2
___________________
Product overview
ET 200MP
Digital output module
F-DQ 8x24VDC/2A PPM
(6ES7526-2BF00-0AB0)
Manual
3
___________________
Connecting
4
___________________
Parameters/address space
Applications of the
5
___________________
F-I/O module
Interrupts/diagnostic
6
___________________
messages
___________________
7
Technical specifications
___________________
A
Response times
___________________
B
Switching of loads
___________________
C
Open Source Software
01/2016
A5E03858037-AA
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Division Digital Factory
Postfach 48 48
90026 NÜRNBERG
GERMANY
A5E03858037-AA
Ⓟ 01/2016 Subject to change
Copyright © Siemens AG 2016.
All rights reserved
Preface
Purpose of the documentation
This manual supplements the system manual S7-1500 Automation System. You can find
information on the functions that apply generally to the S7-1500 automation system and the
ET 200MP distributed I/O system in the system manual S7-1500 Automation System
(http://support.automation.siemens.com/WW/view/en/59191792).
The information provided in this manual and the system manual enables you to commission
the S7-1500 automation system and ET 200MP distributed I/O system.
Conventions
STEP 7: In this documentation, "STEP 7" is used as a synonym for all versions of the
configuration and programming software "STEP 7 (TIA Portal)".
Please also observe the notes identified as follows:
Note
A note includes important information on the product described in the documentation, on
handling the product or on the part of the documentation to which particular attention should
be paid.
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Preface
Important note for maintaining the operational safety of your system
Note
The operators of systems with safety-related characteristics must adhere to specific
operational safety requirements. The supplier is also obliged to comply with special product
monitoring measures. Siemens informs system operators by means of personal notifications
about product developments and properties which may be or become important issues in
terms of operational safety.
You should subscribe to the corresponding notifications in order to obtain the latest
information and to allow you to make any necessary modifications to your system.
Log in to Industry Online Support. Follow the links below and click on "Email on update" on
the right-hand side in each case:
• SIMATIC S7-300/S7-300F
(https://support.industry.siemens.com/cs/products?pnid=13751&lc=en-WW)
• SIMATIC S7-400/S7-400H/S7-400F/FH
(https://support.industry.siemens.com/cs/products?pnid=13828&lc=en-WW)
• SIMATIC S7-1500/SIMATIC S7-1500F
(https://support.industry.siemens.com/cs/products?pnid=13716&lc=en-WW)
• SIMATIC S7-1200/SIMATIC S7-1200F
(https://support.industry.siemens.com/cs/products?pnid=13683&lc=en-WW)
• Distributed I/O (https://support.industry.siemens.com/cs/products?pnid=14029&lc=enWW)
• STEP 7 (TIA Portal)
(https://support.industry.siemens.com/cs/products?pnid=14340&lc=en-WW)
Security information
Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, solutions, machines, equipment and/or networks. They are
important components in a holistic industrial security concept. With this in mind, Siemens’
products and solutions undergo continuous development. Siemens recommends strongly
that you regularly check for product updates.
For the secure operation of Siemens products and solutions, it is necessary to take suitable
preventive action (e.g. cell protection concept) and integrate each component into a holistic,
state-of-the-art industrial security concept. Third-party products that may be in use should
also be considered. You can find more information about industrial security on the Internet
(http://www.siemens.com/industrialsecurity).
To stay informed about product updates as they occur, sign up for a product-specific
newsletter. You can find more information on the Internet
(http://support.automation.siemens.com).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Preface
Open Source Software
Open-source software is used in the firmware of the product described. Open Source
Software is provided free of charge. We are liable for the product described, including the
open-source software contained in it, pursuant to the conditions applicable to the product.
Siemens accepts no liability for the use of the open source software over and above the
intended program sequence, or for any faults caused by modifications to the software.
For legal reasons, we are obliged to publish the original text of the license conditions and
copyright notices. Please read the information relating to this in the appendix.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Table of contents
Preface ................................................................................................................................................... 4
1
Documentation guide .............................................................................................................................. 9
1.1
2
Product overview .................................................................................................................................. 12
2.1
3
5
6
Properties ................................................................................................................................12
Connecting ........................................................................................................................................... 15
3.1
4
Guide to documentation S7-1500 / ET 200MP ......................................................................... 9
Block diagram .........................................................................................................................15
Parameters/address space ................................................................................................................... 18
4.1
Parameters .............................................................................................................................18
4.2
4.2.1
4.2.1.1
4.2.1.2
4.2.2
4.2.2.1
4.2.2.2
4.2.3
4.2.3.1
4.2.3.2
4.2.3.3
4.2.3.4
4.2.3.5
4.2.3.6
4.2.3.7
Explanation of parameters ......................................................................................................20
F-parameters ..........................................................................................................................20
Behavior after channel fault ....................................................................................................20
Reintegration after channel fault .............................................................................................20
DQ parameters .......................................................................................................................21
Maximum test period...............................................................................................................21
Operating mode of the output .................................................................................................21
Parameters of the channels ....................................................................................................21
Diagnostics: Wire break ..........................................................................................................21
Channel activated ...................................................................................................................21
Channel failure acknowledge ..................................................................................................22
Max. readback time dark test ..................................................................................................22
Disable dark test for 48 hours .................................................................................................25
Max. readback time switch-on test .........................................................................................26
Activated light test ...................................................................................................................28
4.3
Address space ........................................................................................................................30
Applications of the F-I/O module ........................................................................................................... 32
5.1
Applications for the F-DQ 8x24VDC/2A PPM .........................................................................32
5.2
Application: Connecting a load per digital output, PM switching ............................................33
5.3
Application: Connection of loads per digital output to L+ and M, PM-switching mode ...........34
5.4
Application: Connecting 2 loads in parallel per digital output, PM-switching mode ...............37
5.5
Application: Connecting a load per digital output, PP switching .............................................39
Interrupts/diagnostic messages ............................................................................................................. 41
6.1
Status and error displays ........................................................................................................41
6.2
Interrupts .................................................................................................................................44
6.3
Diagnostic alarms ...................................................................................................................46
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Table of contents
7
Technical specifications ........................................................................................................................ 51
A
Response times .................................................................................................................................... 54
B
Switching of loads ................................................................................................................................. 55
C
B.1
Connecting capacitive loads .................................................................................................. 55
B.2
Switching of inductive loads ................................................................................................... 57
Open Source Software .......................................................................................................................... 58
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Documentation guide
1.1
1
Guide to documentation S7-1500 / ET 200MP
The documentation for the SIMATIC S7-1500 automation system and the SIMATIC
ET 200MP distributed I/O system is arranged into three areas.
This arrangement enables you to access the specific content you require.
Basic information
The System Manual and Getting Started describe in detail the configuration, installation,
wiring and commissioning of the SIMATIC S7-1500 and ET 200MP systems. The STEP 7
online help supports you in the configuration and programming.
Device information
Product manuals contain a compact description of the module-specific information, such as
properties, wiring diagrams, characteristics and technical specifications.
General information
The function manuals contain detailed descriptions on general topics regarding the SIMATIC
S7-1500 and ET 200MP systems, e.g. diagnostics, communication, Motion Control, Web
server.
You can download the documentation free of charge from the Internet
(http://www.automation.siemens.com/mcms/industrial-automation-systemssimatic/en/manual-overview/tech-doc-controllers/Pages/Default.aspx).
Changes and supplements to the manuals are documented in a Product Information.
You can download the product information free of charge from the Internet.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Documentation guide
1.1 Guide to documentation S7-1500 / ET 200MP
Manual Collection S7-1500/ET 200MP
The Manual Collection contains the complete documentation on the SIMATIC S7-1500
automation system and the ET 200MP distributed I/O system gathered together in one file.
You can find the Manual Collection on the Internet
(http://support.automation.siemens.com/WW/view/en/86140384).
"mySupport"
With "mySupport", your personal workspace, you make the best out of your Industry Online
Support.
In "mySupport", you can save filters, favorites and tags, request CAx data and compile your
personal library in the Documentation area. In addition, your data is already filled out in
support requests and you can get an overview of your current requests at any time.
You must register once to use the full functionality of "mySupport".
You can find "mySupport" on the Internet.
"mySupport" - Documentation
In the Documentation area in "mySupport" you can combine entire manuals or only parts of
these to your own manual.
You can export the manual as PDF file or in a format that can be edited later.
You can find "mySupport" - Documentation on the Internet
(http://support.industry.siemens.com/My/ww/en/documentation).
"mySupport" - CAx data
In the CAx data area in "mySupport", you can access the current product data for your CAx
or CAe system.
You configure your own download package with a few clicks.
In doing so you can select:
● Product images, 2D dimension drawings, 3D models, internal circuit diagrams, EPLAN
macro files
● Manuals, characteristics, operating manuals, certificates
● Product master data
You can find "mySupport" - CAx data on the Internet
(http://support.industry.siemens.com/my/ww/en/CAxOnline).
Application examples
The application examples support you with various tools and examples for solving your
automation tasks. Solutions are shown in interplay with multiple components in the system separated from the focus on individual products.
You will find the application examples on the Internet
(https://support.industry.siemens.com/sc/ww/en/sc/2054).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Documentation guide
1.1 Guide to documentation S7-1500 / ET 200MP
TIA Selection Tool
With the TIA Selection Tool, you can select, configure and order devices for Totally
Integrated Automation (TIA).
This tool is the successor of the SIMATIC Selection Tool and combines the known
configurators for automation technology into one tool.
With the TIA Selection Tool, you can generate a complete order list from your product
selection or product configuration.
You can find the TIA Selection Tool on the Internet
(http://w3.siemens.com/mcms/topics/en/simatic/tia-selection-tool).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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2
Product overview
2.1
Properties
Order number
6ES7526-2BF00-0AB0
View of the module
Image 2-1
View of the F-DQ 8x24VDC/2A PPM module
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Product overview
2.1 Properties
Properties
● Technical properties
– Fail-safe digital module for use in the S7-1500 automation system and in the
ET 200MP distributed I/O system.
– PROFIsafe
– PROFIsafe address type 2
– Supports the RIOforFA-Safety profile (on S7-1500 F-CPUs)
– 8 output PM-switching or PP-switching in 2 channel groups (SIL3/Cat.4/PLe)
– Supply voltage L+
– Output current per output 2 A
– Source output (PM/PP-switching)
– Suitable for solenoid valves, DC contactors and signal lamps
– Status display RUN (green LED)
– Status display module diagnostics (red LED)
– Status display channel status/channel diagnostics per output (green/red LED)
– Status display supply voltage (green LED)
– Diagnostics, e.g., short-circuit/wire break/load voltage missing, channel-specific
– Channel-specific or module-wide passivation
● Supported functions
– Firmware update
– I&M identification data
WARNING
The fail-safe performance characteristics in the technical specifications apply for a mission
time of 20 years and a repair time of 100 hours. If a repair within 100 hours is not possible,
switch off the supply voltage of the affected module before 100 hours expires. The module
switches off independently after the 100 hours have expired.
Follow the repair procedure described in section Diagnostic alarms (Page 46).
Accessories
The following accessories are supplied with the module and can also be ordered as spare
part:
● Labeling strips
● U-connector
● Universal front cover
● Electronic coding element
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Product overview
2.1 Properties
Additional components
The following component is to be ordered separately:
● Front connector incl. potential bridges and cable ties
You can find additional information on accessories in the S7-1500/ET 200MP
(http://support.automation.siemens.com/WW/view/en/59191792) system manual.
Passivation of fail-safe outputs over a long period of time
WARNING
Unintentional activation of F-I/O with fail-safe outputs
If an F-I/O with fail-safe outputs is passivated for a period longer than that specified in the
safety parameters (> 100 hours) and the fault remains uncorrected, you need to exclude
the possibility that the F-I/O can be activated unintentionally by a second fault, and thus
place the F-system in a dangerous state.
Even though it is highly unlikely that such hardware faults occur, you must prevent the
unintentional activation of F-I/O with fail-safe outputs by using circuit measures or
organizational measures.
One possibility is the shutdown of the power supply of the passivated F-I/O within a time
period of 100 hours, for example.
The required measures are standardized for plants with product standards.
For all other plants, the plant operator must create a concept for the required measures and
have it approved by the inspector.
Property of the individual shutdown of F-modules with fail-safe outputs:
A channel-specific shutdown occurs when a fault is detected. It is also possible to react to
critical process states staggered over time or to perform safety-related shutdown of
individual outputs.
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3
Connecting
3.1
Block diagram
This section includes:
● The block diagram with the general pin assignment of the F-module.
● An example for switching of loads with ground.
For information on parameter assignment of the F-module, refer to "Parameters/address
space (Page 18)".
Information on different connection options is available in the section Applications of the
F-I/O module (Page 32).
You can find information on wiring the front connectors and creating the cable shielding, etc.,
in the Wiring section of the system manual Automation System S7-1500
(http://support.automation.siemens.com/WW/view/en/59191792).
WARNING
To protect the F-module, always install an external fuse with the following properties for the
load circuit: Circuit-breaker 24 V DC/16 A, tripping characteristic type B.
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Connecting
3.1 Block diagram
Block diagram
The following figure shows the assignment of channels to addresses.
①
②
③
④
Backplane bus interface
DQ-Mn
Ground for output bit n, channel n, M-switching
Microcontroller 1
L+
Supply voltage 24 V DC
P1 switch for channel groups 0 to 3
M
Chassis ground
Microcontroller 2
CH
⑤
⑥
Channel or LED channel status, channel diagnostics (green, red)
P1 switch for channel groups 4 to 7
PWR
LED supply voltage (green)
Reverse polarity protection
RUN
RUN LED (green)
DQ-Pn
Output bit n, channel n, P-switching
ERROR
LED module diagnostics (red)
Note:
•
In PP operation, the DQ M channels are not used.
•
Terminal 19 and 39 (L+) bridged internally
•
Terminal 20 and 40 (M) bridged internally
Note the maximum permissible cable cross-sections and use both terminals, if necessary.
Image 3-1
Block diagram of the F-DQ 8x24VDC/2A PPM
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Connecting
3.1 Block diagram
Switching of loads with ground if the F-module is configured PM-switching
If the following two conditions are met, F-DQ 8x24VDC/2A PPM detects a short-circuit:
● If loads that have a connection between chassis and ground are switched by the
F-DQ 8x24VDC/2A PPM (for example, to improve the EMC properties).
● If chassis and ground are connected at the power supply unit.
From the perspective of the F-module, the M-switch is bridged by the chassis-ground
connection (refer to the diagram below for an example).
Image 3-2
Switching of grounded loads (resistance between chassis and ground)
Remedy:
● Increase the parameters "Max. readback time dark test" and "Max. readback time switchon test".
● Increase the value of the resistance between chassis and ground at the load end to more
than 100 kΩ.
Or:
● Use the F-DQ 8x24VDC/2A PPM configured as a PP-switching module.
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4
Parameters/address space
4.1
Parameters
Parameters
WARNING
Diagnostic functions must be activated or deactivated in accordance with the application,
see section Applications of the F-I/O module (Page 32).
Table 4- 1
Parameters for F-DQ 8x24VDC/2A PPM
Parameter
Value range
Parameter reassignment in RUN
Scope
F-parameters:
Manual assignment of
F-monitoring time
•
Disable
•
Enable
No
Module
F-monitoring time
1 to 65535 ms
No
Module
F-source address
1 to 65534
No
Module
F-destination address
1 to 65534
No
Module
F-parameter signature (without
address)
0 to 65535
No
Module
Behavior after channel fault
•
Passivate channel
No
Module
•
Passivate the entire module
•
Adjustable
No
Module
•
All channels automatically
•
All channels manually
•
Disable
No
Module
•
Enable
Reintegration after channel fault
F-I/O DB manual number assignment
F-I/O DB-number
—
No
Module
F-I/O DB name
—
No
Module
No
Module
No
Module
DQ parameters:
Maximum test period
Operating mode of the output
•
100 s
•
1000 s
•
PM-switching mode
•
PP switching
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Parameters/address space
4.1 Parameters
Parameter
Value range
Parameter reassignment in RUN
Scope
Channel parameters in operating mode PM-switching:
Channel n
Diagnostics: Wire break
Channel activated
Channel failure acknowledge
•
Disable
•
Enable
•
Disable
•
Enable
•
Manual
No
Channel
No
Channel
No
Channel
• Automatic
The value range offered depends on the
F-CPU in use and on the configuration of the
F-parameter "Reintegration after channel fault".
Max. readback time dark test
Disable dark test for 48 hours
0.8 to 400.0 ms
No
Channel
•
Disable
No
Channel
•
Enable
No
Channel
No
Channel
No
Channel
No
Channel 1...7
Max. readback time switch on
test
0.8 to 5.0 ms
Activated light test
•
Disable
•
Enable
•
Disable
•
Enable
•
Disable
•
Enable
•
Manual
Channel parameters in operating
mode PP-switching:
Channel n
Diagnostics: Wire break
Channel activated
Channel failure acknowledge
(Channel 0
always enabled)
No
Channel
Module
• Automatic
The value range offered depends on the FCPU in use and on the configuration of the Fparameter "Reintegration after channel fault".
Max. readback time dark test
0.8 to 400.0 ms
No
Disable dark test for 48 hours
Disable
No
Module
Max. readback time switch on
test
0.8 to 5.0 ms
No
Module
Activated light test
Enable
(Channel 0)
(Channel 0)
No
Module
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Parameters/address space
4.2 Explanation of parameters
4.2
Explanation of parameters
4.2.1
F-parameters
You must assign the PROFIsafe address (F-destination address together with F-source
address) to the F-module before you put it into operation.
● You define the F-source address using the "Basis for PROFIsafe addresses" parameter
in the F-CPU.
● An F-destination address unique throughout the CPU is automatically assigned for each
F-module. You can manually change the F-destination addresses set in the hardware
configuration.
You can find information on F-parameters for the F-monitoring time, the PROFIsafe address
assignment (F-source address, F-destination address) and the F I/O DB in the manual
SIMATIC Safety - Configuring and Programming
(http://support.automation.siemens.com/WW/view/en/54110126).
4.2.1.1
Behavior after channel fault
This parameter is used to specify whether the entire F-module is passivated or just the faulty
channel(s) in the event of channel faults:
● "Passivate the entire module"
● "Passivate channel"
4.2.1.2
Reintegration after channel fault
Use this parameter to select how the channels of the fail-safe module are reintegrated after a
fault.
Use in S7-300/400 F-CPUs
This parameter is always set to "Adjustable" when you use the fail-safe module in
S7-300/400 F-CPUs.
You make the required setting in the F-I/O DB of the fail-safe module.
Use in S7-1500 F-CPUs
When using the fail-safe module in S7-1500 F-CPUs, you set this parameter in the STEP 7
dialog of the fail-safe module:
● "Adjustable"
● "All channels automatically"
● "All channels manually"
If you have set the "Behavior after channel fault" parameter to "Passivate channel", you
enable individual setting of the reintegration type per channel with the parameter assignment
"Adjustable". The reintegration type of the respective channel is specified with the "Channel
failure acknowledge" channel parameter.
If you have set the "Behavior after channel fault" parameter to "Passivate the entire module",
you can only select the same reintegration type for all channels.
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Parameters/address space
4.2 Explanation of parameters
4.2.2
DQ parameters
4.2.2.1
Maximum test period
With this parameter, you specify the time within which the light, dark and switch on tests
should be performed throughout the module. When this time expires, the tests are repeated.
In case of a fault, the test time is reduced to 60 seconds.
● Use "1000 s", for example, to conserve your actuators.
● Use "100 s" to detect faults more quickly.
The "Maximum test period" parameter is a module parameter, which means the test cycle for
the entire fail-safe output module is performed within the configured maximum test time. If
the bit pattern test is not performed within the configured time (or the shortened test time of
60 seconds in case of an error), the module goes into the error state.
4.2.2.2
Operating mode of the output
Chooses between PM and PP switching mode for the outputs.
After re-parameterization of the operating mode, the power supply of the F-module must be
switched OFF and ON.
4.2.3
Parameters of the channels
4.2.3.1
Diagnostics: Wire break
You can use a wire break test to monitor the connection from the output channel to the
actuator.
Selecting this check box enables the wire break monitoring for the relevant channel.
You also have to activate the light test to detect a wire break with an output signal "0".
WARNING
The diagnostics for wire break of the outputs is not designed for safety-related functions
and can therefore not be evaluated for safety-related activities.
4.2.3.2
Channel activated
If you select this check box, the corresponding channel is enabled for signal processing in
the safety program.
You can deactivate an unused channel with this parameter.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
4.2.3.3
Channel failure acknowledge
Use in S7-1500 F-CPUs
This parameter is only relevant if the fail-safe module is operated on an S7-1500 F-CPU, and
can only be set if the F-parameter "Behavior after channel fault" is set to "Passivate channel"
and the F-parameter "Reintegration after channel fault" is set to "Adjustable".
The value of this parameter specifies how the channel should react to a channel fault:
● Manual: A channel is not reintegrated until after manual acknowledgment.
● Automatically: The channel is reintegrated automatically after a channel fault. Manual
acknowledgment is not necessary.
Use in S7-300/400 F-CPUs
The value of this parameter is not relevant in the case of operation on S7-300/400 F-CPUs.
There you set the corresponding property at the F-I/O DB by means of the ACK_NEC tag.
For detailed information about the F-I/O DB, refer to the SIMATIC Safety – Configuring and
Programming (http://support.automation.siemens.com/WW/view/en/54110126) manual.
4.2.3.4
Max. readback time dark test
Function
Dark tests are shutdown tests with bit pattern test.
For a dark test, a test signal is switched to the output channel while the output channel is
active (output signal "1"). The output channel is then switched off briefly (= "dark period") and
read back (for PM operation, P- and M-readback, for PP operation only PP-readback). A
sufficiently slow actuator does not respond to this and remains switched on.
①
Readback (P-switch and M-switch do not switch simultaneously.)
Image 4-1
Functional principle of the dark test (PM switching)
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
①
Readback (The two P-switches do not switch simultaneously.)
Image 4-2
Functional principle of the dark test (PP switching)
This parameter allows you to set the time for the readback.
If the expected signals could not be read back correctly after expiration of the readback time,
the output channel is passivated.
No new process values are switched to the output channels while a bit pattern is still active
(switch test is carried out). This means that a higher maximum readback time for the dark
test increases the response time of the F-module.
WARNING
Through the configured readback time dark test, short-circuits (cross-circuits) to a signal
with a frequency greater than 1/(2 x configured readback time dark test) Hz cannot be
recognized (50:50 sampling ratio).
Short-circuits (cross-circuits) to an output of the same module are recognized.
The parameter also has an effect on the short-circuit detection (cross-circuit) with "1" signal
when the output signal is changed from "1" to "0" with the safety program.
Setting readback time dark test
Because the fault reaction time is extended by the length of the readback time dark test, we
recommend that you set the readback time dark test as low as possible, but high enough
that the output channel is not passivated.
In case of the "Connecting a load per digital output, PP switching" (Page 39) application, see
the warnings and notes in the section describing the application.
To determine the readback time required for your actuator, refer to the diagram in the section
Switching capacitive loads (Page 55).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
Setting readback time dark test with unknown actuator capacity
If the capacity of the actuator is not known, it may be necessary for you to determine the
value for the readback time dark test by trial and error. This may also be necessary due to
the part variances in the actuator or external influences.
Proceed as follows:
● Set the readback time dark test so that the output channel can be read back correctly but
your actuator does not respond yet.
● For verification use the process value "1" with a minimum duration that corresponds to
the "maximum test time" parameter.
● If the output channel is passivated sporadically, set a higher value for the maximum
readback time dark test.
● If the output channel is passivated, the readback time dark test is too small for a
connected capacitive load. The discharge cannot take place during the configured
readback time dark test. Increase the readback time dark test.
If you have set the readback time dark test to the maximum value of 400 ms and there is still
a passivation of the output channel, there is either an external fault or the connected
capacity is outside the permitted range.
To increase availability, we recommend that you maintain an interval to the determined limit
for the times.
Test pulses of the dark test
*
Output of test pulses only during test cycle.
Image 4-3
Test pulses of the dark test
The interval between two test pulses is 500 ms.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
4.2.3.5
Disable dark test for 48 hours
Note
Can only be configured for PM operation.
This option allows you to suppress the dark test.
If the channel is permanently active (1) for 48 hours, one dark test pulse is applied at the
channel once this time has expired.
You must ensure the signal change from 1 to 0 at the channel yourself within 48 hours to
prevent the dark test pulse. This also applies to the operating time if the operating time is
< 48 hours. The dark test is suspended for another 48 hours after the signal change from
0 to 1.
The dark test is permanently suppressed if the following condition is met:
● A signal change from 1 to 0 takes place before the 48 hours have expired.
WARNING
When you use the function "Disable dark test for 48 hours", cross-circuits and other errors
are not detected.
Also take into consideration the respective requirements of your product standards
regarding error detection time.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
4.2.3.6
Max. readback time switch-on test
Function
The switch on test is part of the bit pattern test.
PM operation
During the switch-on test in PM operation, the P-switch and M-switch of the output channel
are alternately closed and read back when the output channel is inactive (output signal "0").
Contrary to the light test, no power flows through the connected load during the switch on
test.
①
Readback
Image 4-4
Functional principle of the switch on test (PM switching)
WARNING
In case of an error, the bit pattern test can apply voltage to the load up to a duration that
was configured with the "Maximum readback time switch on test" parameter.
For capacitive loads, it can happen that these are not actively discharged in the event of an
error.
Therefore, always configure a maximum readback time that cannot activate the load under
any circumstances.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
PP operation
The M-switch is meaningless during the switch-on test in PP operation. The switch-on test
corresponds to the light test and current flows through the load. The light test is always
activated in PP operation.
①
Readback
Image 4-5
Functional principle of the switch on test (PP switching)
This parameter allows you to set the time for the readback.
If the signal was not read back correctly once the time has expired, the output channel is
passivated.
The switch on test detects the following faults:
● Short-circuit to L+ with output signal "0"
● Short-circuit to ground with output signal "0"
WARNING
Through the configured readback time, short-circuits (cross-circuits) to an interfering signal
with a frequency > 1 / (2 x configured readback time) Hz can be suppressed (50:50
sampling ratio).
Short-circuits (cross-circuits) to an output of the same module are recognized.
Setting readback time switch on test
Because the fault reaction time is extended by the length of the set readback time, we
recommend that you set the readback time as low as possible, but high enough that the
output channel is not passivated.
To determine the readback time required for your actuator, refer to the diagram in the section
Switching capacitive loads (Page 55).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
Setting readback time switch on test with unknown actuator capacity
If the capacitance of the actuator is not known, you may have to determine the required
value for the readback time switch-on test by trial and error. This may also be necessary due
to the part variances in the actuator or external influences.
Proceed as follows:
● Set the readback time switch on test in such a way that the output channel can be read
back correctly but your actuator does not respond yet.
● For verification use the process value "0" with a minimum duration that corresponds to
the "maximum test time" parameter. If you have not configured a light test, continue by
changing the process value to "1" after the verification.
● If the output channel is passivated sporadically, set a higher value for the maximum
readback time switch on test.
● If the output channel is passivated, the readback time is too small for a connected
capacitive load. The charge of the capacitive load cannot take place during the
configured readback time. Increase the readback time.
If you have set the readback time to the maximum value of 5 ms and there is still a
passivation of the output channel, there is either an external fault or the connected capacity
is outside the permitted range.
To increase availability, we recommend that you maintain an interval to the determined limit
for the times.
4.2.3.7
Activated light test
Function
Overload and wire break are detected with a 0 signal at the output.
For a light test, a test signal is switched to the output channel while the output channel is
inactive (output signal "0"). The output channel is switched on briefly during the light test
(= "light period") and read back. A sufficiently slow actuator does not respond to this and
remains switched off.
PM operation
In contrast to the switch on test, the P-switch and the M-switch switch at the same time
during the light test and power flows through the connected load.
①
Readback
Image 4-6
Functional principle of the light test (PM switching)
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.2 Explanation of parameters
PP operation
The M-switch is meaningless during the light test in PP operation. The light test corresponds
to the switch-on test and current flows through the load. The light test is always activated in
PP operation.
①
Readback
Image 4-7
Functional principle of the light test (PP switching)
If the readback signals are incorrect, the signal is present for the configured readback time at
the output channel before the fault causes passivation of the output channel.
If the signal was not read back correctly once the maximum readback time switch on test has
expired, the output channel is passivated.
No new process values are switched to the output channels while a bit pattern is still active
(switch test is carried out). This means that a higher maximum readback time switch on test
for the light test increases the response time of the F-module.
Test pulses of the light test
*
Output of test pulses only during test cycle. The module cycle is 5 ms.
Image 4-8
Test pulses of the light test
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.3 Address space
A light pulse with the configured duration takes place within the configured maximum test
time per output channel.
If a light pulse returns a fault, the same light pulse (which means the same bit pattern) is
repeated once after 500 ms. If the fault is still present, the maximum test time is
automatically reduced to 60 seconds and a diagnostic message is generated. If the fault is
no longer present, the output channel is reintegrated after the next fault-free test cycle.
4.3
Address space
Address assignment of the digital output module F-DQ 8x24VDC/2A PPM
The digital output module F-DQ 8x24VDC/2A PPM occupies the following address areas in
the F-CPU:
Table 4- 2
Address assignment in the F-CPU
Occupied bytes in the F-CPU:
F-CPU
In input range
In output range
S7-300/400 F-CPUs
x + 0 to x + 4
x + 0 to x + 4
S7-1500 F-CPUs
x + 0 to x + 5
x + 0 to x + 5
x = Module start address
Address assignment of the user data and the value status of digital output module F-DQ 8x24VDC/2A
PPM
The user data occupy the following addresses in the F-CPU out of all the assigned
addresses of the digital output module F-DQ 8x24VDC/2A PPM:
Table 4- 3
Byte in the
F-CPU
IB x + 0
Address assignment of user data in the input range
Assigned bits in F-CPU per F-module:
7
6
5
4
3
2
1
0
Value status DQ7
Value status DQ6
Value status DQ5
Value status DQ4
Value status DQ3
Value status DQ2
Value status DQ1
Value status DQ0
(CH7)
(CH6)
(CH5)
(CH4)
(CH3)
(CH2)
(CH1)
(CH0)
1
0
x = Module start address
Table 4- 4
Byte in the
F-CPU
QB x + 0
Address assignment of user data in the output range
Assigned bits in F-CPU per F-module:
7
6
5
4
3
2
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
(CH7)
(CH6)
(CH5)
(CH4)
(CH3)
(CH2)
(CH1)
(CH0)
x = Module start address
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Parameters/address space
4.3 Address space
Note
You may only access the addresses occupied by user data and value status.
The other address areas occupied by the F-modules are assigned for functions including
safety-related communication between the F-modules and F-CPU in accordance with
PROFIsafe.
Additional information
For detailed information about F-I/O access and for evaluation and processing of the value
status, refer to the SIMATIC Safety – Configuring and Programming
(http://support.automation.siemens.com/WW/view/en/54110126) manual.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.1
5
Applications for the F-DQ 8x24VDC/2A PPM
You achieve SIL3/Cat.4/PLe with the following applications.
The wiring is carried out on the front connector of the module. Refer to the "Wiring" section in
the S7-1500 Automation System
(http://support.automation.siemens.com/WW/view/en/59191792) system manual.
See also
Connecting (Page 15)
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.2 Application: Connecting a load per digital output, PM switching
5.2
Application: Connecting a load per digital output, PM switching
Each of the 8 fail-safe digital outputs consists of a P-switch DQ-Pn and an M-switch DQ-Mn.
You connect the load between the P-switch and the M-switch. The two switches are always
activated so that voltage is applied to the load. This circuit achieves SIL3/Cat.4/PLe.
The figure below shows an example of the pin assignment of the fail-safe digital output
module F-DQ 8x24VDC/2A PPM with connection of one load per digital output, PM
switching.
WARNING
To protect the F-module, always install an external fuse with the following properties for the
load circuit: Circuit-breaker 24 V DC/16 A, tripping characteristic type B.
①
②
③
Backplane bus interface
Microcontroller 1
P1 switch for channel groups 0 to 3
Image 5-1
④
⑤
⑥
Microcontroller 2
P1 switch for channel groups 4 to 7
Reverse polarity protection
Wiring diagram for 1 relay to 1 F-DQ of the digital output module F-DQ 8x24VDC/2A PPM, PM-switching
mode
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.3 Application: Connection of loads per digital output to L+ and M, PM-switching mode
WARNING
In order to achieve SIL3/Cat.4/PLe with this wiring, you must install a qualified actuator, for
example, in accordance with IEC 60947.
Parameter assignment
Assign the following parameter for the corresponding channel group:
Table 5- 1
Parameter
Parameter
Operating mode of the output
5.3
PM-switching mode
Application: Connection of loads per digital output to L+ and M, PMswitching mode
You can connect two relays using one fail-safe digital output. The following conditions should
be kept in mind:
● Same reference potential
● The normally open contacts of the two relays must be connected in series.
This configuration achieves SIL3/Cat.4/PLe (process status readback required).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.3 Application: Connection of loads per digital output to L+ and M, PM-switching mode
The figure below shows an example of the pin assignment of the fail-safe digital output
module F-DQ 8x24VDC/2A PPM with connection of loads per digital output to L+ and M,
PM-switching mode.
WARNING
To protect the F-module, always install an external fuse with the following properties for the
load circuit: Circuit-breaker 24 V DC/16 A, tripping characteristic type B.
①
②
③
Backplane bus interface
Microcontroller 1
P1 switch for channel groups 0 to 3
Image 5-2
④
⑤
⑥
Microcontroller 2
P1 switch for channel groups 4 to 7
Reverse polarity protection
Wiring diagram for 2 relay to 1 F-DQ of the digital output module F-DQ 8x24VDC/2A PPM, PM-switching
mode
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.3 Application: Connection of loads per digital output to L+ and M, PM-switching mode
WARNING
When two relays are connected to one digital output, as shown in the figure above, the
"wire break" and "overload" faults are detected only at the P-switch of the output (not at the
M-switch).
WARNING
With a cross circuit between P-switch and M-switch of the output, the module detects the
fault and switches off the output. But the actuator is still supplied with power due to the
external fault.
To avoid cross circuits between the P and M-switches of a fail-safe digital output, you
should always wire the relay connection to the P and M-switches separately, in order to
prevent any cross circuits. For example, as separately sheathed cables or in separate cable
ducts.
Note
The digital output module F-DQ 8x24VDC/2A PPM performs a bit pattern test depending on
the parameter assignment. For this, the module outputs up to 5 ms pulses depending on the
parameter assignment. This test (switch-on test) is run with a time offset between the Pswitch and M-switch to prevent the actuator from being activated. This pulse may cause the
corresponding relay to operated, which may reduce its mission time.
We therefore recommend adhering to the wiring scheme described below. See section
Application: Connecting 2 loads in parallel per digital output, PM-switching mode (Page 37).
Parameter assignment
Assign the following parameter for the corresponding channel group:
Table 5- 2
Parameter
Parameter
Operating mode of the output
PM-switching mode
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.4 Application: Connecting 2 loads in parallel per digital output, PM-switching mode
5.4
Application: Connecting 2 loads in parallel per digital output,
PM-switching mode
To protect against cross-circuits between P-switch and M-switch in fail-safe digital outputs,
we recommend the following wiring scheme. This circuit achieves SIL3/Cat.4/PLe.
The figure below shows an example of the pin assignment of the fail-safe digital output
module F-DQ 8x24VDC/2A PPM with connection of two parallel loads per digital output,
PM-switching mode.
WARNING
To protect the F-module, always install an external fuse with the following properties for the
load circuit: Circuit-breaker 24 V DC/16 A, tripping characteristic type B.
①
②
③
Backplane bus interface
Microcontroller 1
P1 switch for channel groups 0 to 3
Image 5-3
④
⑤
⑥
Microcontroller 2
P1 switch for channel groups 4 to 7
Reverse polarity protection
Wiring diagram for 2 relays in parallel to 1 F-DQ of the digital output module F-DQ 8x24VDC/2A PPM,
PM-switching mode
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.4 Application: Connecting 2 loads in parallel per digital output, PM-switching mode
Note
With a parallel connection of two relays on one digital output (as shown above) the "wire
break" fault is only detected if the wire break disconnects both relays from P or M. This
diagnostics is not safety-related.
Note
You can connect several actuators per output.
If several actuators are connected to an output, the diagnostics of each actuator affects the
other ones.
This means:
• A wire break is only signaled when several actuators are affected.
• A single short-circuit affects multiple actuators.
Parameter assignment
Assign the following parameter for the corresponding channel group:
Table 5- 3
Parameter
Parameter
Operating mode of the output
PM-switching mode
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.5 Application: Connecting a load per digital output, PP switching
5.5
Application: Connecting a load per digital output, PP switching
You connect the load between the P-switch DQ-Pn and chassis ground in this application.
This circuit achieves SIL3/Cat.4/PLe.
The figure below shows an example of the pin assignment of the fail-safe digital output
module F-DQ 8x24VDC/2A PPM with connection of one load per digital output, PP
switching.
WARNING
To protect the F-module, always install an external fuse with the following properties for the
load circuit: Circuit-breaker 24 V DC/16 A, tripping characteristic type B.
①
②
③
Backplane bus interface
Microcontroller 1
P1 switch for channel groups 0 to 3
Image 5-4
④
⑤
⑥
Microcontroller 2
P1 switch for channel groups 4 to 7
Reverse polarity protection
Wiring diagram for 1 relay to 1 F-DQ of the digital output module F-DQ 8x24VDC/2A PPM, PP switching
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Applications of the F-I/O module
5.5 Application: Connecting a load per digital output, PP switching
WARNING
In order to achieve SIL3/Cat.4/PLe with this wiring, you must install a qualified actuator, for
example, in accordance with IEC 60947.
WARNING
In PP operation, the actuator can no longer be shut down if a cross circuit has developed
between a positive potential (e.g. L+) and DQ. To prevent cross circuits between a positive
potential (e.g. L+) and DQ, you must route the cables used to connect the actuators in a
cross-circuit-proof manner (for example, as separate, sheathed cables or in separate cable
ducts).
WARNING
In this application, you have to connect two ground terminals for safety reasons. Otherwise,
the maximum residual current at signal "0" (specified in the technical specifications) cannot
be maintained if a single ground line is interrupted.
WARNING
PP operation
In the event of an error at a non-passivated, non-activated output, a brief 1-signal can occur
with a duration of 2x max. cycle time (Tcycle) + max. readback time dark test (Trb).
Parameter assignment
Assign the following parameter for the corresponding channel group:
Table 5- 4
Parameter
Parameter
Operating mode of the output
PP switching
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Interrupts/diagnostic messages
6.1
6
Status and error displays
LED displays
Image 6-1
LED displays of the F-DQ 8x24VDC/2A PPM
Meaning of the LED displays
The following tables explain the meaning of the status and error displays. Remedies for
diagnostic alarms can be found in section Diagnostic alarms (Page 46).
WARNING
The RUN, ERROR LEDs and channel status/channel diagnostics LEDs of the outputs are
not designed as safety-related LEDs and therefore may not be evaluated for safety-related
activities.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Interrupts/diagnostic messages
6.1 Status and error displays
RUN and ERROR LEDs
Table 6- 1
RUN/ERROR status and error displays
LED
Meaning
RUN
ERROR
Off
Off
Remedy
Missing or insufficient voltage on the backplane •
bus
Flashing
Off
Module starts up and flashes up to the valid
parameter assignment.
On
Off
Module parameters are assigned and module
addressed.
Switch on the CPU and/or the system power supply modules.
•
Check whether the module is correctly
plugged into the U-connector.
•
Check whether too many modules are
plugged in.
---
Firmware is being updated.
Off
Flashing
Indicates diagnostic interrupts:
On
Flashing
•
Module fault (for example, supply voltage
too high)
•
Channel fault (for example, frequency too
high).
Evaluate the diagnostics and eliminate or
acknowledge the error. It may be necessary to
remove and re-insert the module.
• PROFIsafe communication error
Operation in S7-1500 F-CPUs: At least one
channel is waiting for user acknowledgment.
Hardware defective.
Flashing
Replace the module.
Flashing
/
•
Operation in S7-1500 F-CPUs: The Fmodule expects user acknowledgment after
a module error.
•
Operation in S7-300/400 F-CPUs: At least
one channel is waiting for user acknowledgment.
Alternately flashing
Acknowledge the error (see manual SIMATIC
Safety - Configuring and Programming
(http://support.automation.siemens.com/WW/vi
ew/en/54110126)).
PWR LED
Table 6- 2
PWR
PWR status display
Meaning
Supply voltage L+ missing
Off
Supply voltage L+ available
On
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Interrupts/diagnostic messages
6.1 Status and error displays
CHx LED
Table 6- 3
Display channel status/channel diagnostics
Status
CHx
Diagnostics CHx
Meaning
Process signal = 0 and no channel diagnostics*
Off
Off
Process signal = 1 and no channel diagnostics
On
Off
Process signal = 0 and channel diagnostics
Off
On
/
Channel waiting for user acknowledgment
Alternately flashing
* Operation in S7-300/400 F-CPUs only: If necessary, wait for user acknowledgment, if an additional
channel is also waiting for user acknowledgment due to an error that occurred later.
CHx/ERROR LED with PROFIsafe address assignment
Table 6- 4
Channel status/channel diagnostics/ERROR display with PROFIsafe address assignment
Status
CHx
Diagnostics CHx
Off
All on
All are
flashing
Off
ERROR
Flashing
Flashing
Meaning
The PROFIsafe address does not match the configured
PROFIsafe address
Identification of the F-module when assigning the PROFIsafe
address
LED CHx/RUN/ERROR if supply voltage error occurs
Table 6- 5
CHx status
Channel status/channel diagnostics/RUN/ERROR display if supply voltage error occurs
Diagnostics CHx
RUN
ERROR
Meaning
Supply voltage too high or too low.
Off
On
On
Flashing
•
Operation in S7-1500 F-CPUs: Module is waiting
for user acknowledgment.
•
Operation in S7-300/400 F-CPUs: Module is
automatically reintegrated after the correction of
the error.
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Interrupts/diagnostic messages
6.2 Interrupts
6.2
Interrupts
Introduction
The F-DQ 8x24VDC/2A PPM fail-safe digital output module supports diagnostic interrupts.
Diagnostic interrupt
The F-module generates a diagnostic interrupt for each diagnostic alarm described in section
Diagnostic alarms (Page 46).
The table below provides an overview of the diagnostic interrupts of the F-module . The
diagnostic interrupts are assigned either to one channel or the entire F-module.
WARNING
Before acknowledging the short-circuit diagnostic alarm, remedy the respective fault and
validate your safety function. Follow the fault remedying procedure described in section
Diagnostic alarms (Page 46).
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Interrupts/diagnostic messages
6.3 Diagnostic alarms
Table 6- 6
Diagnostic interrupts of the F-DQ 8x24VDC/2A PPM
Diagnostic interrupt
Fault
code
Scope of diag- Configurable
nostic interrupt
Overtemperature
5D
F-module
No
Wire break
6D
Parameter error
16D
Supply voltage missing
17D
Safety event
25D
Mismatch of safety destination address (F_Dest_Add)
64D
Safety destination address not valid (F_Dest_Add)
65D
Safety source address not valid (F_Source_Add)
66D
Safety watchdog time value is 0 ms (F_WD_Time)
67D
Parameter F_SIL exceeds SIL from specific device application
68D
Parameter F_CRC_Length does not match the generated values
69D
Version of F-parameter set incorrectly
70D
CRC1 fault
71D
Save iParameter watchdog time exceeded
73D
Restore iParameter watchdog time exceeded
74D
Inconsistent iParameters (iParCRC error)
75D
F_Block_ID not supported
76D
Transmission error: Inconsistent data (CRC error)
77D
Transmission error: Timeout (watchdog time 1 or 2 expired)
78D
Module is defective
256D
Watchdog tripped
259D
Short-circuit to L+
261D
Channel
Yes
Short-circuit to ground
262D
Invalid/inconsistent firmware present
283D
F-module
No
Channel failure acknowledgment
779D
Channel
F-address memory not accessible
781D
F-module
Frequency too high
785D
Channel
Undertemperature
786D
F-module
Output defective
797D
Channel
Read back failure
798D
Channel
Overload
800D
Channel
Supply voltage too high
801D
F-module
Supply voltage too low
802D
F-module
No
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Interrupts/diagnostic messages
6.3 Diagnostic alarms
6.3
Diagnostic alarms
Diagnostic alarms
Module faults are indicated as diagnostics (module status).
Note
You can connect several actuators per output.
If several actuators are connected to an output, the diagnostics of each actuator affects the
other ones.
This means:
• A wire break is only signaled when several actuators are affected.
• A single short-circuit affects multiple actuators.
Once the fault is eliminated, the F-module must be reintegrated in the safety program. For
additional information on passivation and reintegration of F-I/O, refer to the SIMATIC Safety
– Configuring and Programming
(http://support.automation.siemens.com/WW/view/en/54110126) manual.
Table 6- 7
Diagnostic alarms of the F-DQ 8x24VDC/2A PPM
Diagnostic alarm
Fault
code
Overtemperature
5D
Meaning
An excessively high temperature was
measured in the F-module.
Remedy
Operate the F-module within the specified temperature range (see Technical
specifications (Page 51))
Once the temperature has been reduced and returns to the specified
range, the F-module must be removed
and inserted or the power switched
OFF and ON.
Wire break
6D
Possible causes:
•
There is an interrupted cable between •
the module and actuator.
•
The channel is not connected (open).
•
A short-circuit exists.
•
Parameter error
16D
Parameter errors include:
•
The F-module cannot use the parameters (unknown, invalid combination,
etc.).
•
The F-module parameters have not
been configured.
•
Establish a cable connection.
Disable the wire break detection for
the channel in the parameter assignment.
Eliminate the short-circuit.
Correct the parameter assignment.
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Interrupts/diagnostic messages
6.3 Diagnostic alarms
Diagnostic alarm
Fault
code
Supply voltage missing
17D
Safety event
25D
Meaning
Missing or insufficient supply voltage L+
Remedy
•
Check supply voltage L+ at the
front connector
•
Check the front connector
•
Correct the process wiring.
•
Increase the test times (dark, light,
switch-on tests).
•
Check the parameter assignment
of the PROFIsafe driver and the
PROFIsafe address assigned to
the F-module.
•
Assign the PROFIsafe address to
the F-module (again).
For safety purposes, channel was
switched off due to an error on another
channel.
Possible causes:
•
A short-circuit exists.
•
The capacitive load is too high (PPswitching operation).
Mismatch of safety destination address (F_Dest_Add)
64D
The firmware of the F-module has detected a different F-destination address.
Safety destination address
not valid (F_Dest_Add)
65D
The firmware of the F-module has detected an illegal different F-destination
address.
Safety source address not
valid (F_Source_Add)
66D
The firmware of the F-module has detected a different F-source address.
Safety watchdog time value
is 0 ms (F_WD_Time)
67D
The firmware of the F-module has detected an invalid watchdog time.
Parameter F_SIL exceeds
SIL from specific device
application
68D
The firmware of the F-module has detected a discrepancy between the SIL
setting of the communication and the
application.
Parameter F_CRC_Length
does not match the generated values
69D
The firmware of the F-module has detected a discrepancy in the CRC length.
Version of F-parameter set
incorrectly
70D
The firmware of the F-module has detected an incorrect F_Par_Version or an
invalid F_Block_ID.
CRC1 fault
71D
The firmware of the F-module has detected inconsistent F-parameters.
Save iParameter watchdog
time exceeded
73D
iPar server does not respond to "save
IPar" within 4.4 minutes.
Check the configuration/parameter
assignment of the iPar server.
Restore iParameter watchdog time exceeded
74D
iPar server does not respond to "restore
IPar" within 4.4 minutes.
Check the configuration/parameter
assignment of the iPar server.
Inconsistent iParameters
(iParCRC error)
75D
The firmware of the F-module has detected inconsistent iParameters.
Check the parameter assignment.
F_Block_ID not supported
76D
The firmware of the F-module has detected an incorrect block ID.
Check the parameter assignment of
the PROFIsafe driver.
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Interrupts/diagnostic messages
6.3 Diagnostic alarms
Diagnostic alarm
Fault
code
Transmission error: Inconsistent data (CRC error)
77D
Meaning
The firmware of the F-module has detected a CRC error.
Remedy
•
Check the communication connection between the F-module and
F-CPU.
•
Eliminate the electromagnetic interference.
•
Check the parameter assignment.
•
Ensure that communication is functioning correctly.
Possible causes:
Transmission error: Timeout
(watchdog time 1 or 2 expired)
Module is defective
Watchdog tripped
Short-circuit to L+
78D
•
The communication between the FCPU and F-module is disturbed.
•
Impermissibly high electromagnetic
interference is present.
•
An error occurred in the sign-of-life
monitoring.
The firmware of the F-module has detected a timeout.
Possible causes:
256D
259D
261D
•
The F-monitoring time is set incorrectly.
•
A bus fault is present.
Possible causes:
•
Impermissibly high electromagnetic
interference is present.
•
Eliminate the interference. The
module must then be pulled and
plugged, or the power switched
OFF and ON.
•
The F-module has detected an internal error and has reacted in a safetyrelated manner.
•
If the F-module cannot be put back
into operation, consider replacing it.
Possible causes:
•
Impermissibly high electromagnetic
interference is present.
•
Eliminate the interference. The
module must then be pulled and
plugged, or the power switched
OFF and ON.
•
The F-module has detected an internal error and has reacted in a safetyrelated manner.
•
If the F-module cannot be put back
into operation, consider replacing it.
Short-circuit to L+ can mean:
•
The output cable is short-circuited to
L+.
The capacitive load between the
channels is too high (for example, due
to cable length)
You must eliminate the error within 100
hours; otherwise, the F-module is permanently passivated and an acknowledgment is no longer possible.
•
•
Correct the process wiring.
•
Increase the test times (dark, light,
switch-on tests).
Digital output module F-DQ 8x24VDC/2A PPM (6ES7526-2BF00-0AB0)
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Interrupts/diagnostic messages
6.3 Diagnostic alarms
Diagnostic alarm
Fault
code
Short-circuit to ground
262D
Meaning
Short-circuit to ground can mean:
Remedy
•
Correct the process wiring.
•
Increase the test times (dark, light,
switch-on tests).
The firmware is incomplete and/or firmware added to the F-module is incompatible. This leads to errors or functional
limitations when operating the F-module.
•
Perform a firmware update for all
parts of the F-module and note any
error messages.
•
Use only firmware versions released for this F-module.
•
The output cable is short-circuited to
ground.
•
The output signal is short-circuited to
ground.
•
There is a short-circuit between two
output channels.
• The capacitive load is too high.
You must eliminate the error within 100
hours; otherwise, the F-module is permanently passivated and an acknowledgment is no longer possible.
Invalid/inconsistent firmware
present
283D
Channel failure acknowledgment
779D
A channel fault was detected. Confirmation is required to enable the channel.
Confirm the channel fault.
F-address memory not accessible
781D
The F-source address and F-destination
address stored in the coding element
cannot be accessed.
Verify that the coding element is present or replace the coding element.
Frequency too high
785D
The maximum switching frequency of the
F-module has been exceeded.
Reduce the switching frequency (see
Technical specifications (Page 51))
Undertemperature
786D
The minimum permissible temperature
limit has been violated.
Operate the F-module within the specified temperature range (see Technical
specifications (Page 51))
Output defective
797D
The F-module has detected an internal
error.
•
You must eliminate the error within 100
hours; otherwise, the F-module is permanently passivated and an acknowledgment is no longer possible.
Increase the test times (dark, light,
switch-on tests).
•
Check the wiring.
•
Consider replacing the F-module.
Possible causes:
•
The capacitive load is too high.
•
Short-circuit to L+ or M
•
The F-module has detected an internal error and has reacted in a safetyrelated manner.
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Interrupts/diagnostic messages
6.3 Diagnostic alarms
Diagnostic alarm
Fault
code
Read back failure
798D
Meaning
Remedy
The F-module has detected an internal
error.
•
You must eliminate the error within 100
hours; otherwise, the F-module is permanently passivated and an acknowledgment is no longer possible.
Increase the test times (dark, light,
switch-on tests).
•
If the error continues, consider
replacing the F-module.
•
Check the process wiring.
•
Reduce the load or the load current.
Possible causes:
•
Overload
800D
Impermissibly high electromagnetic
interference is present.
•
The capacitive load is too high.
•
The F-module has detected an internal error and has reacted in a safetyrelated manner.
The maximum permissible output current
has been exceeded. The output stage
has been switched off.
You must eliminate the error within 100
hours; otherwise, the F-module is permanently passivated and an acknowledgment is no longer possible.
Possible causes:
•
A short-circuit exists.
•
The connected load is too high.
Supply voltage too high
801D
The supply voltage is too high.
Check the supply voltage.
Supply voltage too low
802D
The supply voltage is too low.
Check the supply voltage.
Supply voltage outside the nominal range
If the supply voltage L+ is outside the specified value range, the ERROR LED flashes and
the module is passivated.
When the voltage is then recovered (level must remain within the specified value for at least
1 minute, see Technical specifications (Page 51)), the ERROR LED stops flashing. The
module remains passivated and waits for user acknowledgment.
Generally applicable information on diagnostics
Information on diagnostics that pertains to all fail-safe modules (for example, readout of
diagnostics functions or passivation of channels) is available in the SIMATIC Safety –
Configuring and Programming
(http://support.automation.siemens.com/WW/view/en/54110126) manual.
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Technical specifications
Technical specifications of F-DQ 8x24VDC/2A PPM
6ES7526-2BF00-0AB0
General information
Product type designation
Firmware version
•
FW update possible
Product function
I&M data
Engineering with
STEP 7 TIA Portal can be configured/integrated
as of version
Operating mode
DQ
Supply voltage
Rated value (DC)
Low limit of permitted range (DC)
High limit of permitted range (DC)
Reverse polarity protection
Input current
Current consumption (rated value)
Output voltage
Rated value (DC)
Power
Power consumption from the backplane bus
Power loss
Power loss, typ.
Address range
Address space per module
Address space per module, max.
Digital outputs
Number of outputs
M switching
P switching
Short-circuit protection
Wire break detection
•
Response threshold, typ.
Overload protection
•
Response threshold, typ.
Voltage induced on current interruption limited to
F-DQ 8x24VDC/2A PPM
Yes
Yes; I&M0 to I&M3
V13 SP1 with HSP0086
Yes
24 V
19.2 V
28.8 V
Yes
110 mA; without load
24 V
0.8 W
11 W
6 byte
8
Yes
Yes
Yes
Yes
8 mA
Yes
2.9 A
PM switching: -24 V + (-47 V), PP switching:
-24 V
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Technical specifications
6ES7526-2BF00-0AB0
Switching capacity of outputs
With resistive load, max.
2A
With lamp load, max.
10 W
Load resistance range
Low limit
12 Ω
High limit
2000 Ω
Output voltage
For "1" signal, min.
24 V; L+ (-0.5 V)
Output current
For "1" signal, rated value
2A
For "0" signal, residual current, max.
0.5 mA; PP switching or separate P and
M-switch, PM-switching: max. 1 mA
Switching frequency
With resistive load, max.
30 Hz
With inductive load, max.
0.1 Hz
With lamp load, max.
10 Hz
Total current of outputs
Max. current per channel
2A
Total current of the outputs (per module)
Horizontal mounting position
•
Up to 40 ℃, max.
16 A
•
Up to 60 ℃, max.
8A
Vertical mounting position
•
8A
Up to 40 ℃, max.
Cable length
shielded, max.
1000 m
unshielded, max.
500 m
Interrupts/diagnostics/status information
Fail-safe values can be switched to
Interrupts
Diagnostic interrupt
Diagnostic alarms
Diagnostics
Monitoring of supply voltage
Wire break
Short-circuit
Group error
Diagnostics display LED
RUN LED
ERROR LED
Monitoring of the supply voltage (PWR-LED)
Channel status display
For channel diagnostics
For module diagnostics
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes; green LED
Yes; red LED
Yes
Yes; green LED
Yes; red LED
Yes; red LED
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Technical specifications
6ES7526-2BF00-0AB0
Electrical isolation
Electrical isolation, channels
Between channels
No
Between channels and backplane bus
Yes
Insulation
Insulation test voltage
707 VDC (type test)
Standards, approvals, certificates
Maximum achievable safety class in safety mode
Performance level according to EN ISO 138491:2008
PLe
SIL according to IEC 61508
SIL 3
Low demand mode: PFDavg according to SIL3
< 6.00E-05
High demand/continuous mode: PFH according to
SIL3
< 2.00E-09 1/h
Environmental conditions
Ambient temperature in operation
Horizontal installation, min.
0 °C
Horizontal installation, max.
60 °C
Vertical installation, min.
0 °C
Vertical installation, max.
40 °C
Dimensions
Width
35 mm
Height
147 mm
Depth
129 mm
Weights
Weight, approx.
300 g
Note
To reach the maximum cable length, it may be necessary to increase the settings for
maximum readback time switch on test or maximum read-back time dark test.
We also recommend a more detailed consideration of the boundary conditions, such as
EMC, cables used, cable guide, etc.
Dimension drawing
See system manual S7-1500 Automation System
(http://support.automation.siemens.com/WW/view/en/59191792).
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A
Response times
Introduction
The next section shows the response times of the digital output module
F-DQ 8×24VDC/2A PPM. The response times of digital output module
F-DQ 8×24VDC/2A PPM are included in the calculation of the F-system response time.
Definition of response time for fail-safe digital outputs
The response time represents the interval between an incoming safety message frame from
the backplane bus and the signal change at the digital output.
Times required for the calculation
● Max. cycle time: Tcycle = 5 ms
● Max. acknowledgment time (Device Acknowledgment Time): TDAT = 10 ms
The maximum response time in the case of fault (One Fault Delay Time, OFDT) is equivalent
to the maximum response time with no faults (Worst Case Delay Time, WCDT).
Assign the parameters for maximum readback time dark test (Maximum Readback Time, Trb)
and a maximum readback time switch-on test (Maximum Readback Time Switch-On Test,
Trb_swon) in STEP 7.
Maximum response time with no faults (Worst Case Delay Time, WCDT)
t <= 3 * cycle time + max (Trb, Trb_swon)
Maximum response time with detection of a channel fault by readback
t <= 4 * cycle time + 2 * max (Trb, Trb_swon)
Maximum response time with detection of a channel fault by bit pattern test
t <= 2 * cycle time + maximum test time
Maximum response time with detection of a wire break at "1" signal
t <= 3 * cycle time + 1000 ms (wire break detection) + max (Trb, Trb_swon)
Maximum response time with detection of an overload at "1" signal
t <= 4 * cycle time + max (Trb, Trb_swon)
Maximum response time with detection of an overload or wire break at "0" signal and light test
activated.
t <= 2 * cycle time + maximum test time
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Switching of loads
B.1
B
Connecting capacitive loads
If an F-DQ 8x24VDC/2A PPM digital output module is interconnected with loads that require
little current and have capacitance, this can lead to detection of a short-circuit or overload.
Reason: The capacitance cannot be sufficiently discharged or charged during the configured
readback time of the bit pattern test.
The typical trends shown in the two figures below represent the correlation between load
impedance and maximum switched load capacitance at a supply voltage of 24 V DC.
Image B-1
Switching of capacitive loads for the F-DQ 8x24VDC/2A PPM digital output module in PM-switching mode
depending on the configured dark and light test times
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Switching of loads
B.1 Connecting capacitive loads
Image B-2
Switching of capacitive loads for the F-DQ 8x24VDC/2A PPM digital output module in PP-switching mode
depending on the configured dark and light test times
The trends shown were plotted using a SIMATIC PS 307 10A power supply unit with a cable
length of 25 m (cable cross-section of 1.5 mm2) between the output of the
F-DQ 8x24VDC/2A PPM output module and the load.
Note
The maximum readback time switch on test is only relevant if the light test is activated.
Remedy for detecting a short-circuit
1. Determine the load current and capacitance of the load.
2. Locate the operating point in the diagram above.
3. If the operating point is above the trend, select an actuator with higher current
consumption so that the new operating point is below the curve.
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Switching of loads
B.2 Switching of inductive loads
Example
You have set a dark test time of 100 ms, a light test time of 2 ms and the PM-switching
mode. You have set the load current to 20 mA and the capacity to 100 µF. The operating
point is thus outside the range defined by the two trends (gray background).
Solution: Select an actuator with higher current consumption. In this example, 40 mA.
Alternatively, you can configure the parameter "Max. readback time dark test" with 200 ms.
B.2
Switching of inductive loads
Switching of inductive loads
Use the switchgear for control and auxiliary circuits according to the utilization category
DC-13 in accordance with IEC 60947-5-1:2014.
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Open Source Software
C
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