The Allen-Bradley 1771-IAD is an analog input module rated for 120 VAC, designed to bring external analog signals into an Allen-Bradley programmable logic controller. As part of the 1771 I/O family, it provides input channels to monitor sensors and transducers in industrial automation, translating analog signals into digital data for PLC processing. Designed for 120 VAC applications, it integrates with Allen-Bradley PLC systems and standard factory wiring to support reliable monitoring of process variables.
