Digital Inputs = 8 / Number of Digital Inputs, Usable by Analogue = 4 / Output Type = Relay / Number of Relay Outputs = 4 / Operating Voltage Min. V = 19 / Operating Voltage Max. V = 24 / Communication Interface Type = USB / Display Type = LCD / Real-Time Clock = Yes / Termination Type = Screw Terminal / Mounting Type = DIN Rail Mount / Protection Rating = IP40 / Contents = Programmable Logic Controller (PLC) / Contents = USB Cable