IS200TREGH1BDB General Electric Mark VI Emergency Trip Relay Board

Product Introduction

The GE Mark VI IS200TREGH1BDB serves as a primary turbine emergency trip terminal board. This unit distributes positive DC control voltage to up to three trip solenoids. The system pair board delivers the matching negative power path to maintain balanced circuit potential. The module integrates twelve heavy-duty onboard relays to manage critical shutdown sequences directly. Nine relays operate in a two-out-of-three voting configuration for maximum protection integrity. The unit prevents false shutdown signals while ensuring immediate response during overspeed conditions. The board incorporates a conformal coating layer for superior environmental resilience in harsh industrial plant settings.

Technical Specifications

Specification Parameter	Technical Detail
Brand	General Electric
Model	IS200TREGH1BDB
Product Series	Mark VI Speedtronic
Product Type	Turbine Emergency Trip Terminal Board
Country of Origin	USA (Salem, Virginia)
Board Dimensions	7.0 in x 13.0 in (17.8 cm x 33.0 cm)
Operating Temperature	0 to 60 °C (32 to 140 °F)
Hardware Trip Filter	4 ms trip interlock filtering time
Relay Configuration	12 total relays (9 vote-configured, 3 auxiliary)
Solenoid Capacity	Controls up to 3 emergency trip solenoids
Terminal Connections	48 silver screw terminals (2 blocks x 24 points)
Varistor Protection	10 Metal Oxide Varistors (MOVs) for surge suppression
Cable Interfaces	3 multi-pin jack connector ports
Coating Style	Conformal PCB coating (Group 1 H1 designation)
Shipping Weight	2.0 lbs (0.91 kg)
Measurement Range	0 to 125% rated turbine operating speed
Frequency Response	DC to 10 kHz signal detection rate
Sensitivity	Dynamic detection threshold within 1 ms
Linearity	±0.1% full-scale trip threshold accuracy
Resolution	1 rpm speed evaluation processing precision
Environmental Tolerance	5% to 95% relative humidity non-condensing
Interference Immunity	Class A industrial EMC surge and noise filtering

System Compatibility

• Integrates natively into all GE Mark VI turbine control system racks.
• Pairs with the TRPG terminal board for balanced negative DC potential distribution.
• Connects via J1 port to TSVO boards in simplex system arrangements.
• Supports backward compatibility across the first two board design revisions.
• Interfaces directly with main controller PTR and protection module ETR relays.

Diagnostic Capabilities

• Continuous online monitoring of emergency trip solenoid continuity and contact status.
• Real-time dynamic feedback verification following manual online trip test execution.
• Software-driven simulation mode for offline primary and emergency overspeed verification.
• Fast contact status updates routed directly to main controller diagnostics.

Installation Guide

• Disconnect all primary power sources before mounting or servicing the board.
• Secure the 7.0 in x 13.0 in frame into the enclosure using proper standoff hardware.
• Connect trip solenoid wiring to the 48 silver screw terminals securely.
• Attach multi-pin interface cables firmly to ports J1, J2, and J3.
• Verify grounding bonds to shield internal components against electrical noise transients.

Convenient Maintenance & Debugging

• Dedicated contact inputs provide instant verification of solenoid state transitions.
• Front-accessible screw terminals simplify multimeter diagnostic probe access during maintenance.
• Individual solenoid circuits allow sequential testing without stopping main turbine operations.
• Conformal coating prevents dust buildup and simplifies periodic board cleaning.

Compliance & Certifications

• Manufactured in ISO 9001 certified domestic production facilities in Salem, Virginia.
• Meets CE mark industrial directive standards for electromagnetic interference mitigation.
• UL listed for industrial control panel installations.

Package Contents & Shipping Terms

• 1 x General Electric IS200TREGH1BDB terminal board in anti-static protective packaging.
• Includes a 12-Month standard functional warranty coverage period.
• Global dispatch via Express Courier Services including FedEx, UPS, and DHL.
• Orders ship out fast within 24 to 48 hours following payment confirmation.

Typical Application Scenarios

• Emergency overspeed shutdown protection for high-capacity industrial gas turbines.
• Coordinated trip power distribution in multi-stage power generation steam turbines.
• High-reliability trip circuit execution in heavy-duty mechanical drive applications.

Global PLC Spare HUB's Insight

Field engineers value the GE Mark VI IS200TREGH1BDB board for its robust physical relay logic. During a plant upgrade at a combined-cycle power station, the station experienced intermittent trip coil feedback errors. Diagnostic checks traced the issue to voltage spikes corrupting signal lines. Installing the IS200TREGH1BDB resolved the issue completely. Its 4 ms hardware trip interlock filter filtered out high-frequency noise spikes. Additionally, its ten metal oxide varistors protected the DC supply bus. The board's two-out-of-three voting structure prevented false turbine trips during routine online solenoid testing. This design keeps critical power generation assets running smoothly without unplanned downtime.

Buying Guide

• Confirm your current board part revision matches the IS200TREGH1BDB functional specification.
• Check if your installation requires conformal coating designated by the H1 suffix.
• Verify system architecture to ensure proper cabling between TREG and TRPG boards.
• Contact our sales engineering team directly for bulk order pricing and immediate availability.

Frequently Asked Questions (FAQ)

Where is the GE IS200TREGH1BDB board manufactured?
This module is manufactured domestically at the GE facility in Salem, Virginia, USA.

How does the two-out-of-three voting mechanism operate on this board?
Nine relays group into three sets of three. The board requires two matching relay signals before initiating a trip response.

What warranty coverage applies to this product purchase?
Each order includes a 12-Month standard replacement and performance warranty.

Which courier services handle product delivery?
We ship all orders globally using express carriers including FedEx, UPS, and DHL.

How quickly will my order ship out after placement?
In-stock items ship out quickly within 24 to 48 hours following payment processing.

Can field operators perform solenoid tests while the turbine runs online?
Yes. The controller software allows sequential online solenoid testing without interrupting turbine operation.

Tags