Siemens Simatic S7-200 System Manual page 102

Programmable controller
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Additional Features of STEP 7-Micro/WIN
Module Error Checking
You can select the option of adding module error-checking code to your configuration.You
must specify the position of the analog module you are using in order to generate the code
that checks the correct SM locations.You must also specify a bit to contain the module error
status. In the event of a module error, this bit is set. If you choose to output a specific value
in the event of a module error, you must enter the value to output. See Figure 5-17.
S7-200 Instruction Wizard (Analog Input Filtering)
The wizard can include module error-checking code that will set the output to a
specified value in the event of a module error.
Figure 5-17
Analog Input Filtering - Outputting a Specific Value in the Event of a Module Error
Alternatively, you can choose to ouptut the last calculated average value in the event of a
module error. See Figure 5-18.
S7-200 Instruction Wizard (Analog Input Filtering)
The wizard can include module error-checking code that will set the output to a
specified value in the event of a module error.
Figure 5-18
Analog Input Filtering - Outputting the Last Calculated Average in the Event of a Module Error
5-16
Include module error-checking code.
Module Error-Checking
At what position is the module attached to the CPU?
In the event of a module error, should the output be forced to a specific value,
or remain at the value of the last calculated average?
Output the last calculated average.
Output a specific value:
Include module error-checking code.
Module Error-Checking
At what position is the module attached to the CPU?
In the event of a module error, should the output be forced to a specific value,
or remain at the value of the last calculated average?
Output the last calculated average.
Output a specific value:
0
Value to output:
0
Module Error Bit:
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Module Error Bit:
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S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
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