Configured for emergency trip circuit execution and solenoid interface management in GE Mark VI Speedtronic control systems, the GE IS200TREGH1BDB (IS200TREG Trip Emergency Termination Board) provides direct physical/electrical execution. The termination board routes hardware trip signals, watchdog signals, and emergency shutdown commands directly to fuel cut-off solenoids, serving as the physical termination interface for primary and backup turbine trip loops.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200TREGH1BDB (IS200TREG) |
| Brand | GE (General Electric) |
| Origin | USA |
| Weight | 2 lb (0.91 kg) |
| Dimensions | Standard Mark VI Rack/DIN Mounting Dimensions |
| Operating Temp | -30 to 65 deg C |
| Power Consumption | System Powered via Termination Interface |
| Assembly Type | Normal Assembly |
| Revision Structure | Revision total of 3 revisions (H1BDB revision) |
| Backwards Compatibility | Backward compatible with first two revisions |
| System Platform | GE Mark VI Speedtronic Control Platform |
Deterministic Network Backplane Bus Velocity and I/O Density Scaling
The IS200TREGH1BDB integrates directly with control system racks to facilitate high-speed signal distribution across backplane bus communication velocity networks. Supporting high I/O density scaling, the board receives output tripping vectors from multiple controller channels and combines them through hardware relays to enforce fail-safe shutdown sequences. Hardware-level firmware flash compatibility across connected controller packs ensures real-time diagnostic synchronization, line monitoring validation, and immediate trip logic execution.
Frequently Asked Questions
Q: Is the IS200TREGH1BDB backward compatible with earlier IS200TREG board revisions?
A: Yes, the IS200TREGH1BDB revision maintains functional backward compatibility with the first two hardware revisions of the IS200TREG series.
Q: How does the IS200TREGH1BDB execute emergency trip logic?
A: The board interfaces direct hardwired trip inputs and relay outputs from the control system to de-energize or energize fuel stop valve solenoids upon safety system command or loss of primary watchdog signal.
Q: What precautions should be taken regarding wiring terminations on the board?
A: Ensure all field trip contact wiring and relay output lines are properly torqued to terminal blocks and shielded cables are grounded to prevent electrical noise interference from inducing false trip signals.
Field Installation Guidelines
- Isolate all field power sources and verify cabinet power is fully de-energized prior to installing or servicing the IS200TREGH1BDB.
- Wear an ESD grounding wrist strap attached to an unpainted chassis point during all board handling procedures.
- Secure the IS200TREGH1BDB firmly onto cabinet mounting rails using standard fasteners, ensuring structural earth ground continuity through the mounting points.
- Route field wiring and cables away from high-voltage AC lines to prevent inductive coupling into low-voltage trip loops.
- Inspect all multi-pin cable connections and terminal block connections to confirm complete connector engagement before applying power.
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