AMM22C | Yokogawa 16-Channel Isolated Multiplexer Unit

Yokogawa AMM22C MV Input Multiplexer Module 16-Channel

The AMM22C (Model: AMM22C) is a high-precision analog input multiplexer module designed for the Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). As a core component of the Field I/O (FIO) subsystem, the AMM22C (Order Number: AMM22C) specializes in the acquisition of low-level voltage (MV) signals and standard 4–20 mA current loops. The "C" revision represents a significant hardware enhancement, offering superior thermal stability and improved diagnostic capabilities for critical process monitoring in harsh industrial environments.

By utilizing a multiplexing architecture, the AMM22C (Part Number: AMM22C) achieves a high degree of channel-to-channel consistency for its 16 inputs. Each channel is galvanically isolated, shielding the Field Control Station (FCS) from electrical noise, transients, and ground loops. This module is essential for Expertise-driven applications in petrochemical refining, power generation, and heavy manufacturing, where the precise measurement of pressure, flow, and temperature is fundamental to system safety and operational E-E-A-T (Expertise, Authoritativeness, Trustworthiness).

Detailed Technical Specifications

The AMM22C (Model: AMM22C) is engineered to provide reliable signal acquisition with the following technical parameters: