I/O system NX I/O Bus Type of module Temperature control Number of digital inputs 0 Digital input type None OFF/ON delay 10-10 ms Number of digital outputs 4 Digital output type NPN Number of analog inputs 4 Temperature input type None Linear analog input type Current transformer Resolution of the analog inputs 10 Bit Input circuit type Standard Number of analog outputs 0 Linear analog output type None Resolution of the analog outputs 0 Bit Conversion time 10 ms/unit Signal processing Free running IO-Link master I/O connection type Push-in Number of I/O connectors 1 Detachable I/O connector Suitable for safety functions SIL according to IEC 61508 None Degree of protection (IP) IP20 Product Height (unpacked) 100 mm Product Width (unpacked) 12 mm Product Depth (unpacked) 80 mm Product Weight (unpacked) 70 g