42

Parameter F_CRC_Length Does Not Match Generated Values

ABB · AC500 Function Block Libraries

What does 42 mean?

The 'F_CRC_Length' parameter configured for PROFIsafe communication does not match the CRC length value generated internally by the device. This inconsistency in CRC configuration will lead to failed CRC checks, causing communication errors and compromising the integrity of safety data. Reliable safety communication cannot be established under these conditions.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Download the corrected configuration to the safety PLC.

Source: ABB AC500 Function Block Libraries
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