Description

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Product Overview

The 1C31194G02 is a high-precision electronic module manufactured by Emerson, designed primarily for valve positioning and digital output control in industrial automation systems. As a critical component of Emerson’s Ovation distributed control system (DCS) and Westinghouse legacy platforms, this module ensures accurate valve actuation and process parameter regulation. It integrates advanced control algorithms and sensor technology to monitor and adjust valve positions in real-time, enhancing operational stability in demanding environments. The 1C31194G02 module supports 8 channels of digital output with a 24V DC rating and 2A current capacity per channel, enabling direct control of actuators, relays, and indicators. Its robust construction and compliance with IEC 61131-2 standards make it suitable for rigorous applications across industries such as power generation, oil and gas, and chemical processing. By providing reliable feedback and fault diagnostics, the 1C31194G02 contributes to optimized process efficiency and reduced downtime, solidifying its role as a key interface between control systems and field devices.

Technical Specifications

Parameter Name	Parameter Value
Product Model	1C31194G02
Manufacturer	Emerson
Product Type	Valve Positioner Electronic Module / Digital Output Module
Number of Channels	8 digital outputs
Output Current	2A per channel
Output Voltage	24V DC
Protection Features	Short-circuit and overload protection
Operating Temperature	-40°C to +70°C
Protection Level	IP67
Dimensions	120mm × 45mm × 22mm
Weight	Approx. 200g
Communication Interface	Compatible with DCS/PLC systems
Compliance Standards	IEC 61131-2

Main Features and Advantages

High Precision Control: The 1C31194G02 leverages Emerson’s advanced control algorithms and sensor integration to deliver precise valve positioning, minimizing deviation in fluid flow, pressure, or temperature regulation. This accuracy is critical in processes requiring tight tolerances, such as chemical dosing or energy balancing in thermal systems.

Durability and Reliability: Designed for harsh environments, the module operates reliably within a wide temperature range (-40°C to +70°C) and features IP67-rated enclosures to resist dust, moisture, and chemical exposure. Its robust construction ensures longevity in industries like metallurgy or offshore drilling, where equipment failure can lead to significant production losses.

Modular Diagnostics and Safety: With built-in short-circuit and overload protection, the 1C31194G02 prevents damage to connected devices and simplifies troubleshooting. The module’s diagnostic capabilities enable proactive maintenance by alerting operators to potential issues like wiring faults or actuator wear, reducing unplanned downtime.

Integration Flexibility: As part of Emerson’s Ovation ecosystem, the module seamlessly interfaces with DCS/PLC architectures, supporting legacy Westinghouse systems and modern Emerson platforms. This backward compatibility allows plants to extend the life of existing infrastructure while upgrading specific components for improved performance.

Application Areas

The 1C31194G02 is widely deployed in industries requiring precise fluid control and automation resilience. In oil and gas, it manages valve arrays for pipeline pressure regulation and safety shut-off valves. Power plants utilize the module for turbine bypass control and feedwater system modulation, ensuring stable energy output. Chemical and pharmaceutical sectors rely on its accuracy for batch processing and reagent dosing, where repeatability is essential for product quality. Additionally, the module supports water treatment facilities by automating filter backwashing and pump control, and in metallurgy, it governs coolant flow in rolling mills. Its adaptability to diverse environments—from subarctic temperatures to humid coastal sites—makes it a versatile solution for global industrial applications.

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