I/O systemNX I/O BusType of moduleDigital I/ONumber of digital inputs4Digital input typeNPNPermitted voltage at input15-28.8 VOFF/ON delay0-0.0001 msNumber of digital outputs0Digital output typeNoneOutput current0 AShort-circuit protected outputsConnection method2-wire, 3-wireSignal processingFree running, High speed, SynchronousIO-Link masterI/O connection typePush-inNumber of I/O connectors1Detachable I/O connectorSuitable for safety functionsSIL according to IEC 61508NoneCommunication port(s)NoneNumber of IOV (V+) terminals4Number of IOG (V-) terminals4Number of COM terminals0Degree of protection (IP)IP20Product Height (unpacked)104.5 mmProduct Width (unpacked)12 mmProduct Depth (unpacked)80.1 mmProduct Weight (unpacked)65 g