GE Speedtronic Mark IV DS3820DMCC is a Digital Input Module that helps remote monitoring for DIN rail. It is a sophisticated remote control system that provides the user comprehensive control options over a TCP/IP network. It has 8 relay outputs and 8 passive signal inputs for the DIN rail. For polling NO/NC devices, the device features 8 individually switchable relay outputs and 8 passive signal inputs. The remote I/O system can be expanded with plug-and-play sensors for ambient temperature, humidity, and air pressure, as well as leakage monitoring, via a sensor connection (RJ45).