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tecnoplc

Profibus fault: the CPU goes to Stop by communication failure

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S7-300 CPU is in STOP due to a Profibus failure. We have a facility with a Profibus master CPU and multiple modules with Profibus interface and when we insert the memory card with the CPU program does not change to RUN, it stays in STOP.

Read more:  http://www.tecnoplc.com/fallo-profibus-cpu-stop/

  Greetings.

_________________________________________
PLC programming and HMI
http://www.tecnoplc.com

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Add OB87 (COMM_FLT) to the project and I think the CPU will keep on executing the code.

 

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