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90 H
Number of output ON times alarm detection count reached
Mitsubishi Electric · MELSEC iQ-R I/O Module
¿Qué significa 90 H ?
The number of output ON times has reached the pre-configured alarm detection count. This alarm indicates that a specific output has been activated a set number of times, potentially signaling that a connected actuator or contactor is nearing its operational lifespan or a process requires monitoring.
Causas comunes
- Output ON times count reached the alarm detection count threshold configured for monitoring output activations.
Pasos de reparación & Lista de verificación
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- 1
Set the corresponding bit of 'Number of output ON times value clear request' to 1 (Requested) to clear the accumulated number of output ON times.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Mitsubishi Electric MELSEC iQ-R I/O Module