Digital I/O expansion module for PLC., Series: Designed to be used as an expansion unit for the PLC systems., Total I/O Points: 8 points., Entrances: 4 digital inputs (24 VDC, 5 mA)., Outputs: 4 digital relay outputs., Output Voltage (Relay): 30 VDC / 250 VAC., Output Current (Relay): 2 Amps., Compliance: CE, UL/cUL and UKCA compliant.