Westinghouse Electric 1C31113G05 Analog Input Module

The Westinghouse 1C31113G05 Analog Input Module is a rack-mounted I/O device designed for Emerson Ovation DCS and legacy Westinghouse PLC/DCS systems, converting analog field signals into digital data for real-time monitoring and control. An analog current input module, it accepts 0–20 mA signals and provides accurate signal acquisition and conversion for process instrumentation such as transmitters, pressure sensors, flow meters, temperature sensors, and level instruments used in industrial automation. Built with solid-state circuitry, it is intended for industrial and utility environments and mounts in control racks to support PLC/DCS I/O in power plants, substations, manufacturing facilities, and process automation installations. Key details: Manufacturer Westinghouse / Emerson Process Management; Part Number 1C31113G05; System compatibility Emerson Ovation DCS / Westinghouse PLC Systems; Module Type PLC/DCS Analog Input Module; Signal Range 0–20 mA; Function Analog signal acquisition and conversion. Common replacements include ABB S800 AI810, Siemens SM331, and Allen-Bradley 1756-IF8, reflecting its role as a compatible analog input option across major control platforms.