A retentive timer in a Mitsubishi PLC maintains its timing worth even when energy is misplaced. By retaining information to a non-volatile reminiscence chip on the PLC’s circuit board, the worth is not going to be misplaced throughout a brief or everlasting energy outage. That is necessary for functions the place it’s important to maintain monitor of time, even when the ability is off.
One widespread use for a retentive timer is to trace the full run time of a machine. This may be helpful for upkeep functions, as it could actually assist to establish when the machine must be serviced. One other widespread use for a retentive timer is to trace the time since a specific occasion occurred. This may be helpful for troubleshooting functions, as it could actually assist to establish when an error occurred.
