Emerson 1C31219G01 Ovation DCS relay output electronic module, matched with relay base assembly for high-current field load switching, critical maintenance spare for power plant automation control racks.

Product Overview

• Part No: 1C31219G01
• Brand: EMERSON / Westinghouse Ovation

• Category: Relay Output Electronic Module 1C31219G01 is the electronic control board for Emerson Ovation relay output I/O subsystem. It inserts into dedicated relay base assemblies and serves as the communication interface between Ovation I/O controllers and mechanical relay contacts. The module receives digital control commands from the DCS controller and drives on-board relay circuits to switch high voltage and high-current field loads. It supports configurable communication timeout parameters and continuous hardware self-diagnosis. Front panel LED indicators reflect module running state and channel output status for fast on-site troubleshooting. Hot-swap capability enables online replacement without system shutdown. It is widely used as essential spare for sequential control and interlock circuits in thermal power plants and combined-cycle facilities.

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Core Features

• Acts as interface between Ovation controller and relay base assembly
• Supports 12-channel or 16-channel relay base matching
• Galvanic isolation between internal control logic and field relay circuits
• Configurable communication fail-safe timeout settings
• Built-in fuse fault detection and comprehensive module self-diagnosis
• Front panel LED indicators for module health and output channel status
• Hot-swap supported for online maintenance without system interruption
• Standard plug-in structure designed for Ovation I/O rack installation

• Industrial hardware design meeting strict EMC specifications for power station environments

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Technical Specifications

• Power Consumption: Typical 1.88W, maximum 2.5W
• Auxiliary Power: Typical 0.3W, maximum 0.35W
• Isolation Rating: 2000 VDC between relay contacts and logic circuit
• Operating Temperature: 0°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Relative Humidity: 5%–95%, non-condensing
• Mounting: Plug-in installation on Ovation relay output base

• Protection Class: IP20 when installed inside control cabinet

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Compatibility & Application

• Compatible with Ovation relay output base assemblies
• Widely deployed in thermal power plants, combined-cycle power stations and petrochemical industries
• Applied for on-off control of pumps, fans, solenoid valves, alarm horns and safety interlock equipment