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28697
F-device PROFIsafe Watchdog Timed Out (V3 CPU)
ABB · PB610 Panel Builder 600 Programming Software
¿Qué significa 28697 ?
The PROFIsafe watchdog for F-device instance <n> with AC500 V3 non-safety CPU PM56xx has timed out. This indicates that safety communication telegrams are not being received within the expected time, potentially due to communication issues or an incorrectly configured watchdog timer.
Causas comunes
- PROFIsafe watchdog timer within the F-device has expired, indicating a communication timeout.
- Intermittent communication dropouts on the PROFIsafe network.
- F-device not acknowledging messages from the V3 CPU within the defined interval.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Restart the affected F-device module.
- 2
Increase the PROFIsafe watchdog time parameter in the Safety PLC configuration.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: ABB PB610 Panel Builder 600 Programming Software