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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

Haga clic en los pasos para seguir su progreso.

  1. 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.

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Datos técnicos verificados. Última actualización: March 2026

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Fuente: Mitsubishi Electric MELSEC iQ-R I/O Module