Fagor alarm 5014: Error when writing the digital outputs of the PLC

What it means

A write to remote digital outputs did not complete: the output configuration table (parameter NDOMOD) is invalid, or the PLC issued a new write before the previous one finished - often a symptom that PLCFREQ is too aggressive for the bus load. Check configuration, bus health and cycle time.

Likely causes

• NDOMOD table inconsistent with installed modules
• PLCFREQ cycle shorter than achievable bus round-trip
• CAN disturbance corrupting output frames

Replacement parts

We supply the following units for this alarm — tested, warranty-backed:

• CAN bus cable/terminators per Fagor installation manual

  cable · Common cause

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• remote CAN digital output node (RIOS/RIO class)

  board · Check if others ruled out

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