ABB Error 71477 — Invalid connection size for EtherNet/IP adapter

What it means · Ce que ça veut dire

Invalid connection size for EtherNet/IP adapter — ABB robot hardware event on the Invalid connection size for EtherNet/IP adapter (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The adapter arg is configured with invalid input and/or output size. No communication with the adapter is possible. Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.

What to check · Que vérifier

• Inspect the Invalid connection size for EtherNet/IP adapter, its wiring and connections first.
• Match this code against your robot's event-log timeline before swapping parts.
• Follow the French field checks below — they are the tested sequence for this fault.
• Correct the input size to arg and the output size to arg for the adapter in the I/O configuration.

Frequently asked · Questions fréquentes

What does ABB error 71477 mean?

ABB 71477 (“Invalid connection size for EtherNet/IP adapter”): Invalid connection size for EtherNet/IP adapter — ABB robot hardware event on the Invalid connection size for EtherNet/IP adapter (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual…

How do you troubleshoot ABB error 71477?

Inspect the Invalid connection size for EtherNet/IP adapter, its wiring and connections first. Match this code against your robot's event-log timeline before swapping parts. Follow the French field checks below — they are the tested sequence for this fault.

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