F-device Mismatch of Parameter F_CRC_Length (V3 CPU)

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Parameter "F_CRC_Length" for F-device instance <n> in an AC500 V3 non-safety CPU PM56xx system does not match the generated values. This indicates a misconfiguration in the CRC length parameter for PROFIsafe communication, leading to data integrity errors.

• Mismatch in the specified length of the F_CRC_Length parameter during communication.
• Data packet length inconsistencies in PROFIsafe telegrams.
• Error in the calculated CRC length for safety data.

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1. 1

   Check the Safety PLC configuration for F-device instance <n> and the "F_CRC_Length" parameter.