Siemens SIMATIC S7-1500/ET 200MP System Manual page 332
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Also See for SIMATIC S7-1500/ET 200MP:
- System manual (356 pages) ,
- Compact operating instructions (129 pages) ,
- Manual (100 pages)
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Testing with a force table
The following functions are available in the force table:
• Monitoring of tags
Force tables are used to monitor the actual values of the individual tags of a CPU user
program or a CPU
– On the PG/PC
– On the display of the CPU
– On the Web server
You monitor the table with or without a trigger condition.
A symbolic name for the tags must be specified in the "Name" column of the force table in
order that the display of the CPU and the web server can display the value of the tags.
– Bit memory
– Contents of data blocks
– Peripheral inputs
• Modifying tags
You use this function to assign fixed values to individual tags of a user program or a CPU
on the programming device/PC or on the display of the CPU. Modifying is also possible
with Test with program status.
The following tags are modifiable:
– Bit memory
– Contents of data blocks
– Peripheral inputs (e.g. %I0.0:P)
• Forcing of peripheral inputs and peripheral outputs
You can force individual peripheral inputs or peripheral outputs.
– Peripheral inputs: Forcing of peripheral inputs (for example %I0.0:P) is a "bypassing" of
– Peripheral outputs: Forcing of peripheral outputs (for example %Q0.0:P) is a
With the force table you can simulate different test environments and also overwrite tags in
the CPU with a fixed value. This enables you to intervene in the running process in a
regulating way.
Automation system
System Manual, 01/2023, A5E03461182-AK
You monitor the following tags:
sensors / inputs by the specification of fixed values to the program. The program
receives the force value instead of the actual input value (via process image or via
direct access).
"bypassing" of the complete program by the specification of fixed values to the
actuators.
Test and service functions
15.1 Test functions
331
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