Modular remote IO systems transmit process data from safe or explosion hazardous areas by connecting binary and analog sensors and actors to the control system via a bus interface. Remote IO is the right choice when you want to put IO modules close to the field devices. Due to the reduced wiring effort, you not only save cables, but also time, money, and work effort. Hence, remote IO field units can be installed in a decentralized location inside hazardous areas while you easily control and monitor sensors and actors from the control room.