The GE IS200TREGH1BDB, also cataloged as the IS200TREGH1BDB Trip Emergency Termination Board, functions as a termination interface for trip signals within Mark VI Speedtronic turbine control systems.
Hardware Specifications
Parameter
Specification
Model
IS200TREGH1BDB
Brand
GE (General Electric)
Origin
USA (Salem, Virginia plant)
Weight
2 lb (shipping)
Dimensions
Rectangular PCB form factor
Operating Temp
Not specified
Power Consumption
Not specified
Assembly Type
Normal Assembly
Revision Total
3 revisions (backwards-compatible with first two)
Terminal Blocks
2 blocks, 24 terminals each (48 total)
Relays/Contactors
12 units arranged in parallel pairs
Capacitors
4 rectangular yellow capacitors
MOVs
~10 red round components
Jack Connector Ports
3 grouped ports with pin connectors
Backplane Bus Communication Velocity Licenses
The IS200TREGH1BDB integrates into the Mark VI Speedtronic backplane, supporting deterministic trip signal propagation. Communication velocity licenses ensure predictable cycle timing across redundant trip channels. Firmware flash compatibility is maintained across revisions, allowing synchronization with other Mark VI modules. I/O density scaling is achieved through terminal block distribution, while relays and MOVs provide surge suppression and trip execution reliability.
Frequently Asked Questions (FAQ)
Q: Was the IS200TREGH1BDB manufactured domestically? A: Yes. It was produced at GE’s Salem, Virginia facility.
Q: Is the IS200TREGH1BDB covered by a warranty? A: Yes. It is classified under a three-year PCB warranty upon purchase.
Q: How does the board handle redundancy in trip signals? A: Redundancy is achieved through parallel relay arrangements and deterministic backplane communication, ensuring fail-safe trip execution.
Field Installation Guidelines
Ensure proper seating of terminal block connections; torque screws to standard industrial specifications.
Route trip signal wiring separately from high-voltage circuits to minimize interference.
Ground MOV shields to the system earth to suppress surge voltages.
Verify connector port engagement to prevent intermittent trip signal loss.
Maintain capacitor clearance during installation to avoid mechanical stress on solder joints.
