The Omron CP1W-8ER PLC Digital Output Expansion Unit adds 8 relay outputs to compatible Programmable Logic Controller systems for switching external devices through controller logic. Relay-based outputs provide an interface between the PLC and compatible field loads in machine automation applications where additional switching points are required. The module consumes 26 mA at 5 V and 44 mA at 24 V, supporting integration with the CP1W expansion architecture. Its eight-output configuration suits compact machines that need additional relay-controlled outputs without moving to a larger controller platform. The CP1W-8ER provides digital output expansion within the CP1W Series and belongs to the 8-point relay PLC output range supporting Omron machine control applications.