The Gould Modicon B101 IO1101 Industrial Input/Output Relay Module is an AC 115V relay-based I/O unit designed to interface field devices with a Modicon PLC in industrial automation. It provides discrete input and output signals via relays to connect sensors, switches, and actuators to the control program. Operated at 115V AC, this module is used to extend a Modicon automation system’s I/O capability with reliable relay switching.
