Emerson Ovation 1C31224G01 Analog Input Module
The Emerson 1C31224G01 is an 8-channel analog input module developed for the Ovation DCS platform, originally designed by Westinghouse. It collects continuous analog signals from field transmitters and converts analog current signals into digital data for the main DCS controller processing.

This module adopts high-precision 14-bit A/D conversion technology and supports HART communication for intelligent transmitters. With built-in channel isolation and surge protection, it can operate steadily in harsh industrial environments, widely used for DCS expansion, system renovation and spare parts replacement in power and process industries.
Main Specifications
- Brand: Emerson (Westinghouse)
- Model: 1C31224G01
- Product Type: 8-Channel Analog Input Module
- Supported Signal: 4~20mA / 0~20mA analog current
- Conversion Resolution: 14-bit high precision A/D
- Communication: Support HART protocol for smart transmitters
- Power Supply: 24VDC backplane power supply
- Working Temperature Range: -40°C ~ +70°C
- Isolation: Channel-to-system galvanic isolation
- Compatible System: Emerson Ovation DCS System
Core Functions
- Real-time acquisition of pressure, temperature, flow analog signals from field transmitters
- Convert analog current signals into digital data for DCS controller calculation
- Realize parameter reading and remote diagnosis of HART intelligent transmitters
- Built-in signal filtering to suppress industrial electromagnetic interference
- Surge protection design prevents damage caused by field wiring voltage surges
- Provide module and channel status indication for fast on-site troubleshooting
- Stable high-speed data communication with DCS controller via backplane bus
- Support hot-swap operation to reduce system downtime during maintenance
- Signal isolation prevents interference crosstalk between field loops and control system
- Ensure long-term continuous stable operation of critical process control loops
Application Scenarios
- Thermal power plant boiler and turbine Ovation DCS control systems
- Petrochemical continuous production process monitoring and control units
- Oil & gas pipeline and processing station automation control cabinets
- Refinery flow, pressure and temperature signal acquisition system
- Water treatment plant distributed process parameter monitoring system
- Pulp and paper factory production process DCS monitoring equipment
- Chemical plant reactor and pipeline process control system
- Waste incineration power generation plant automation monitoring system
- Upgrade and transformation of legacy Ovation DCS automation systems
- Industrial DCS spare parts replacement and maintenance projects