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Safety solutions

Safety relay unit

The safety relay unit can perform safety control conforming to the international safety standard "ISO13849-1 PLe". Suitable for small-scale safety control.
Emergency stop circuit and restart circuit are integrated with redundant safety relays, and basic safety functions can be realized only by wiring without programming or parameter setting.
By adding additional units, the number of input points and output points can be increased up to a maximum of four each.

Safety control can be easily added to existing MELSEC sequencers. Enhanced monitor functions

By attaching and connecting the safety relay unit to the MELSEC-Q series base unit or CC-Link, safety control can be easily added to existing MELSEC sequencers.
Since the operation status and error status of the safety relay unit can be monitored from the existing MELSEC sequencer, it is possible to efficiently identify the cause of an emergency stop and investigate the location of a failure.