CRC1-Fault (V2 CPU)

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A CRC1-Fault has occurred in an AC500 V2 non-safety CPU PM5xx system. This indicates a data integrity error during PROFIsafe communication, suggesting corruption of safety-critical data telegrams.

• A CRC1 error has been detected during internal V2 CPU processing.
• Data integrity issue within the CPU's memory or registers.
• Hardware fault within the V2 CPU.
• Corrupted program data.

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1. 1

   Check the safety PLC configuration.