The 1C31125G03 (Part Number: 1C31125G03) is a high-precision DC analog input electronics module engineered for the Emerson Ovation™ Distributed Control System (DCS). This module serves as a critical bridge between field instrumentation and the Ovation controller, converting continuous analog signals from transmitters and sensors into high-resolution digital data.
Designed for mission-critical process monitoring, the 1C31125G03 (Model: 1C31125G03) supports 16 independent channels, each capable of processing standard industrial signals such as 4-20 mA current loops or 0-10 VDC voltage ranges. The module features robust galvanic isolation and ISA-S71.04 Class G3 conformal coating, ensuring long-term reliability in environments exposed to corrosive gases, high vibration, and thermal fluctuations. Integrated self-diagnostics and channel-specific LED indicators streamline maintenance by providing immediate feedback on module health and signal activity.
The 1C31125G03 provides laboratory-grade accuracy in a ruggedized industrial form factor.
Manufacturer: Emerson Automation Solutions (Ovation™)
Model/Part Number: 1C31125G03
Module Type: DC Analog Input (AI) Electronics Module
Channel Density: 16 Independent Analog Channels
Input Range Options: 0–5 VDC, 0–10 VDC, or 4–20 mA (Configurable via software/base)
A/D Conversion: 14-bit resolution (Enhanced precision over standard 12-bit units)
Accuracy: ±0.1% of full scale at 25°C
Isolation: 1500 VAC channel-to-system isolation; Channel-to-channel isolation supported
Environmental Protection: ISA-S71.04 Class G3 Conformal Coating (Corrosion Resistance)
Vibration Resistance: 1 mm peak-to-peak (2–13.2 Hz); 0.7 g (13.2–150 Hz)
Shock Resistance: 10 g half-sine pulse for 11 ms
Operating Temperature: 0°C to +60°C
Storage Temperature: –40°C to +85°C
Power Consumption: Typically 3.5 W (Supplied via I/O backplane)
Dimensions: 12.1 cm x 5.4 cm x 14.0 cm
Module Weight: 0.3 kg
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