GE IS200TREGH1BEC – Turbine Trip Emergency Board(Mark VI Control System)

Parameter Description Part Number IS200TREGH1BEC Manufacturer General Electric (GE) Product Type Trip Emergency Board System Compatibility Mark VI Control System Input Type Discrete / Digital Inputs Relay Outputs Electromechanical trip relays Communication Interface VME Bus Power Supply Voltage +28 V DC nominal Operating Temperature Range -30°C to +65°C Installation Method Rack-mounted Weight Approx. 0.5 kg Certifications CE, UL, and ISO 9001 standards

2. Product Overview

The GE IS200TREGH1BEC is a Trip Emergency Board engineered for the Mark VI turbine control system, part of GE’s advanced control series for industrial turbines. Its main role is to manage turbine trip functions, ensuring the system shuts down safely in the event of an abnormal or emergency condition. Designed for both gas and steam turbine systems, this board delivers high reliability and precision in mission-critical environments such as power generation and petrochemical operations.

The IS200TREGH1BEC receives trip commands from control processors and acts through redundant relay channels, offering both redundancy and safety assurance. Its integration with the Mark VI system allows for seamless monitoring and diagnostic feedback to the central controller.

3. Key Features

• High Safety Assurance: Designed for immediate and secure turbine shutdowns in emergency scenarios.

• Triple Modular Redundancy (TMR) Support: Provides fault tolerance and ensures uninterrupted control operations.

• Fast Response Relays: Quick-acting relays for high-speed trip actions, minimizing system risk.

• Status Feedback: Real-time relay state monitoring with LED indicators.

• Rugged Industrial Design: Built to withstand harsh electrical and environmental conditions.

• Easy Integration: Compatible with other Mark VI boards and control networks without modification.

4. Construction and Design

The IS200TREGH1BEC consists of a multilayer PCB mounted with industrial-grade relays, fuses, and connectors, ensuring stable signal transmission. The board includes multiple trip circuits, each isolated and protected to prevent interference. Connector headers are positioned for convenient cabling to turbine trip solenoids and auxiliary devices.

Its compact design minimizes space requirements, while the layout supports modular replacement, reducing system downtime during servicing.

5. Application Areas

This trip emergency board is primarily used in:

• Gas turbine control and protection systems

• Steam turbine emergency trip circuits

• Power plant safety and shutdown control

• Petrochemical and refinery automation

• Industrial process safety systems

The IS200TREGH1BEC ensures rapid and reliable emergency response, making it a vital component in any system where equipment protection and operational safety are top priorities.

6. Installation & Maintenance

Installation involves securely mounting the board into the control rack and connecting it to the Mark VI backplane and external trip relays. Wiring should follow GE’s control system schematics, with attention to grounding and isolation requirements.

Maintenance steps include:

• Routine inspection for connector wear and dust accumulation

• Functional testing of trip circuits using GE diagnostic tools

• Replacement with original GE-certified parts to maintain system integrity

  
  

7. Additional Insights

The GE IS200TREGH1BEC demonstrates the reliability and engineering precision typical of GE’s turbine control systems. With its redundant design, robust construction, and critical safety functionality, it ensures dependable turbine operation and protection, even in the most demanding environments.

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