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ifm
Programming Manual BasicDisplay CR0452 v03.02
05 / 2018
Diagnosis and error handling
Response to system errors
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6.3
Response to system errors
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In principle, the programmer is responsible to react to the error messages in the application program.
An error description is provided via the error message.
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The system resets the error message as soon as the error causing state is not present anymore.
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6.3.1
Example process for response to an error message
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The runtime system cyclically writes the system flag TEMPERATURE.
The application program detects the device temperature by retrieving the INT variable.
If permissible values for the application are exceeded or not reached:
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The application program deactivates the outputs.
► Rectify the cause of the error.
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The application program detects the temperature value which has returned to normal:
The machine / system can be restarted or operation can be continued.
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6.4
CAN / CANopen: errors and error handling
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→ System manual "Know-How ecomat
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CAN / CANopen: errors and error handling