IOMod 8DI8DO is a stand-alone Modbus (RTU) and IEC 60870-5-103 digital input and digital output controller. Designed to achieve high technological look and compact fit on DIN rail (EN 60715), IOMod 8DI8DO is used for industrial applications where digital signaling is used and robust communication is essential. IOMod 8DI8DO is an ideal solution for such applications as data acquisition, observation, control, process monitoring, testing and measurement remotely. It is controlled over Modbus or IEC 60870-5-103 protocol, and can be connected in parallel with other Modbus or IEC 60870-5-103 equipment in a multi-drop installation scheme such as any SCADA system.