IS200TREGH1BDB Termination Board General Electric

GE IS200TREGH1BDB Turbine Emergency Trip Terminal Board

Emergency Protection System

• Primary Function: Turbine emergency trip and shutdown control
• Trip Solenoid Control: Powers three emergency trip solenoids
• Power Distribution: Provides negative DC power to complement TREG positive power
• Safety Mechanism: Emergency overspeed protection and emergency stop functions
• System Integration: Part of Mark VI Speedtronic control system

Relay Control System

• Relay Configuration: Twelve relays total on TREG board
• Voting Mechanism: Nine relays in three sets of three for redundant voting
• Trip Activation: Consensus-based solenoid triggering for reliability
• Failure Protection: Eliminates single points of failure
• Control Source: I/O controller managed relay operation

Testing & Diagnostics

• Online Testing: Manual individual solenoid trip testing
• Offline Simulation: Software-generated overspeed condition tests
• Test Methods: PTR relays (controller) and ETR relays (protection module)
• Confirmation System: Contact inputs verify successful trip operations
• Safety Validation: Emergency condition response verification

Physical Specifications

• Dimensions: 7.0 inches × 13.0 inches/Weight:0.77kg
• Operating Temperature: 0°C to 60°C
• Filter System: Hardware trip interlock filter, 4 ms response
• Weight: 2 pounds shipping weight
• Manufacturing Origin: Salem, Virginia, USA

Board Component Layout

• Terminal Blocks: Two 24-position silver metallic terminals (48 total)
• Protection Components: Ten red Metal Oxide Varistors (MOVs)
• Relay Arrays: Twelve relays in two parallel lines of six
• Interface Ports: Three jack connector groups on right border
• Power Storage: Four large yellow capacitors in paired configuration

Technical Features

• Revision Compatibility: First two revisions backward compatible
• Total Revisions: Three revision levels supported
• Assembly Type: Normal assembly configuration
• Coating Style: H1 series conformal PCB coating
• Series Grouping: Group one Mark VI Series product

Package Contents

• IS200TREGH1BDB Trip Terminal Board
• Installation documentation
• Technical specifications
• Safety compliance information

Service & Warranty

• 1-Year Warranty: Comprehensive PCB protection
• Technical support services
• Professional installation guidance
• Quality certification

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