EMERSON 1C31166G02
EMERSON 1C31166G02
EMERSON 1C31166G02
EMERSON 1C31166G02
EMERSON 1C31166G02

EMERSON 1C31166G02 | Speedtronic Control Component

  • Brand:​ Emerson (formerly GE Energy)
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    Model:​ 1C31166G02
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    Product Type:​ I/O Pack (Input/Output Module)
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    Series:​ Mark VI / EX2100
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    Core Function:​ Provides interface for analog/digital signals between field devices and the turbine controller for gas/steam turbine control or excitation regulation.
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    Key Specs:​ I/O interface, turbine control, excitation regulation.
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Description

1C31166G02: Product Overview
The EMERSON 1C31166G02 is an I/O pack (Input/Output module) designed for the Mark VI turbine control system or EX2100 excitation regulator, originally developed by GE Energy (now part of Emerson). This module serves as a critical interface between the turbine controller and field devices, handling analog and digital signals for monitoring and controlling gas/steam turbines or generator excitation systems. Installed in a Mark VI or EX2100 rack, its primary function is to condition input signals from sensors (e.g., temperature, pressure, vibration) and output control signals to actuators (e.g., valves, governors) with high reliability and precision.
The module operates as part of the Speedtronic™ control platform, providing essential I/O functionality for turbine protection, sequencing, and control. It features robust signal conditioning, isolation, and diagnostic capabilities to ensure accurate data acquisition and reliable operation in the demanding environments of power generation facilities. The design focuses on high availability and fault tolerance, with hot-swap capability (in redundant systems) to maintain turbine operation during maintenance.

EMERSON 1C31166G02

EMERSON 1C31166G02

1C31166G02: Technical Specifications
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    Model Number:​ 1C31166G02
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    Manufacturer:​ Emerson (formerly GE Energy)
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    Product Type:​ I/O Pack (Input/Output Module)
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    Compatible System:​ Mark VI Turbine Control / EX2100 Excitation Regulator
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    I/O Types:​ Analog Input/Output, Digital Input/Output (specific to variant)
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    Channels:​ Multiple channels per module (number depends on configuration)
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    Isolation:​ Channel-to-channel and system-to-field isolation
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    Communication:​ VMEbus backplane communication with main processor
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    Diagnostics:​ Continuous self-diagnostics and fault reporting
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    Power Supply:​ Backplane power from the Mark VI/EX2100 rack
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    Operating Temperature:​ 0°C to 60°C (32°F to 140°F)
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    Certifications:​ UL, CE, ATEX (for hazardous areas)

    EMERSON 1C31166G02

    EMERSON 1C31166G02

Core Features & Customer Value
The module’s primary value lies in its high reliability and precision​ for critical turbine control applications. For power plant operators, this translates to accurate monitoring of turbine parameters (e.g., speed, temperature) and precise control of fuel valves and inlet guides, ensuring efficient and safe turbine operation. The robust signal conditioning ensures immunity to electrical noise, providing trustworthy data for control and protection algorithms.
The module’s integration within the Mark VI/EX2100 system​ provides a cohesive control solution with seamless interoperability between I/O, processing, and communication modules. For maintenance teams, the comprehensive diagnostic capabilities enable quick fault identification and troubleshooting, reducing mean time to repair (MTTR). The hot-swap capability (where supported) allows for module replacement without shutting down the turbine, maximizing availability and reducing downtime.
Typical Applications
In a gas turbine power plant, the 1C31166G02 I/O pack interfaces with temperature sensors (thermocouples/RTDs) for combustion monitoring and controls fuel valves to maintain optimal firing temperatures.
In a steam turbine application, it reads speed and pressure sensors and controls governor valves to regulate turbine speed and load according to grid demands.

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