ABB Error 71491 — PROFINET I/O device configuration missing

What it means · Ce que ça veut dire

PROFINET I/O device configuration missing — ABB robot hardware event on the PROFINET I/O device configuration missing (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The I/O device arg on the arg network is configured in the I/O configuration but not in the PROFINET configuration file arg . No communication with I/O device arg 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 PROFINET I/O device configuration missing, 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.
• Add the I/O device arg to the PROFINET configuration file or remove the I/O device from the I/O configuration.

Frequently asked · Questions fréquentes

What does ABB error 71491 mean?

ABB 71491 (“PROFINET I/O device configuration missing”): PROFINET I/O device configuration missing — ABB robot hardware event on the PROFINET I/O device configuration missing (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

How do you troubleshoot ABB error 71491?

Inspect the PROFINET I/O device configuration missing, 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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