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IS200TREGH1BDB

IS200TREGH1BDB General Electric Solenoid Trip Module

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  • Manufacturer: General Electric

  • Product No.: IS200TREGH1BDB

  • Product Type: Terminal Board

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 910g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The GE IS200TREGH1BDB is a Turbine Emergency Trip Terminal Board (TREG) designed for GE Speedtronic Mark VI gas and steam turbine control systems. Manufactured in Salem, Virginia, USA, this board controls the positive side of DC power supplied to up to three primary trip solenoids, integrating advanced relay voting logic, emergency stop, and primary/emergency overspeed protection mechanisms.

Core Features

  • Triple Redundant Relay Voting: Houses 12 onboard relays, including 9 relays organized into a 2-out-of-3 voting structure for fail-safe solenoid trip actuation.
  • DC Power Distribution: Manages positive DC power output to 3 trip solenoids in coordination with the complementary TRPG terminal board (which supplies negative DC power).
  • Simplex Servo Clamp Support: Features J1 cable routing to the TSVO board for automatic servo valve clamping post-turbine trip.
  • Integrated Test Feedback: Supports online sequential solenoid testing and offline overspeed simulation with real-time contact feedback.

Technical Specifications

Parameter Data
Part Number IS200TREGH1BDB
System Series Mark VI Speedtronic Turbine Control System
Board Dimensions 7.0 in x 13.0 in (17.8 cm x 33.0 cm)
Coating & Revision Conformal Coating (H1 Group 1) / Revision BDB
Trip Interlock Filter 4 ms hardware filter
Relay Count 12 relays total (9 voting relays + 3 system control relays)
Terminal Blocks 2 solid black blocks with 24 terminals each (48 points total)
Operating Temperature 0°C to +60°C (32°F to 140°F)
Module Net Weight 0.91 kg (2.0 lbs)
Country of Origin United States of America (USA)

Engineering & Installation Guide

  • Wiring Pair Setup: Connect positive DC lines from the IS200TREGH1BDB terminal blocks directly to the trip solenoids while ensuring negative legs connect to the TRPG terminal board.
  • Simplex Cable Routing: In simplex control configurations, route the dedicated J1 cable to the TSVO terminal board to enable the post-trip servo valve clamping function.
  • Terminal Torque: Secure wiring into the 48 silver metallic screw terminals to prevent high-vibration contact resistance on critical trip signal lines.
  • Environmental Protection: Ensure panel ambient temperatures stay within 0°C to 60°C; the H1 conformal coating shields components from atmospheric contaminants and moisture.

Technical FAQs

Q1: What does IS200TREGH1BDB do?
A1: Controls positive DC power to 3 emergency trip solenoids with voting logic.

Q2: How to test solenoids online?
A2: Tripped individually via PTR/ETR relays with circuit contact feedback.

Q3: What role does TRPG board play with TREG?
A3: TRPG supplies negative DC power while TREG handles positive DC power.

🏷️ Tags: GE Mark VIe General Electric Terminal Board
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