The Foxboro AD202MU (FBM223) is a high-precision, 8-channel galvanically isolated analog input module for the Foxboro I/A Series DCS. It accepts and conditions 4–20 mA, voltage (±10 V), RTD, and thermocouple signals, delivering 16-bit resolution, full channel-to-channel/channel-to-ground isolation, and cold-junction compensation.