Allen-Bradley 1771-IGD is a 16-point digital input module designed for use in the 1771 I/O system. It provides 16 digital input channels that connect to external devices such as sensors and switches, delivering input data to the PLC when installed in a compatible 1771 I/O rack. As part of Rockwell Automation's 1771 I/O family, the 1771-IGD supports modular, scalable digital input configurations within the 1771 architecture.
