Description
Product Description
The IS200TRPGH2B is a GE Mark VI Speedtronic Primary Trip Terminal Board designed for gas turbine protection and trip-control applications. The TRPG board provides the interface between the turbine protection controller and the primary/emergency trip devices, including trip solenoids. The H2B version is a Simplex configuration and can also accept inputs from up to eight Geiger-Mueller flame detectors in applicable gas turbine systems. Documented board features include three relay interfaces for trip solenoids, two 24-position terminal blocks, a 37-pin JR1 cable connector, additional plug connectors, and conformal-coated circuitry.
Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Model | IS200TRPGH2B |
| Alternate Identifier | IS200TRPGH2BDE |
| Functional Acronym | TRPG |
| Series | Mark VI Speedtronic |
| Product Name | Primary Trip Terminal Board |
| Product Type | Gas Turbine Primary Trip / Termination Board |
| Configuration | Simplex |
| Trip Solenoid Interfaces | 3 |
| Output Contact Rating | 125 VDC at 1 A or 24 VDC at 3 A |
| Normal Board Power | 28 VDC |
| Flame Detector Inputs | Up to 8 Geiger-Mueller detector inputs |
| Terminal Blocks | 2 × 24-position screw-terminal blocks |
| Main Cable Connector | 1 × 37-pin female JR1 |
| Additional Connectors | J1–J5 plug connectors |
| Relay Devices | 3 trip-related relays |
| PCB Protection | Conformal coating |
| Application | GE gas turbine primary trip and protection systems |
| Condition | Verify actual item condition before listing |
| Compatibility | Mark VI system and application dependent |
Functional Features
- Provides the primary trip termination/interface function for compatible GE Mark VI turbine control systems.
- Simplex H2B configuration for applicable turbine protection architectures.
- Interfaces with the TREG board to establish primary and emergency connections to emergency trip devices.
- Provides three relay interfaces associated with trip solenoids.
- Supports up to eight flame-detector inputs in applicable gas turbine configurations.
- Two terminal blocks provide field-wiring connections.
- The JR1 37-pin connector provides the primary cable interface to associated control hardware.
- Additional J1–J5 connectors support the board’s application-specific signal and power connections.
- Conformal coating provides PCB-level environmental protection.
- Designed for system-level turbine protection; exact wiring and terminal assignments must be matched to the turbine configuration.
FAQ
Q: What is the IS200TRPGH2B used for?
A: It is a Primary Trip Terminal Board used in GE Mark VI gas turbine control and protection systems.
Q: Is the IS200TRPGH2B a TMR board?
A: No. The H2B version is documented as a Simplex TRPG board. TMR applications require the appropriate redundant hardware configuration.
Q: How many trip solenoids does the board interface with?
A: The documented H2B configuration has three relay interfaces associated with three trip solenoids.
Q: Does the board support flame detectors?
A: Yes. Applicable configurations can accept signals from up to eight Geiger-Mueller flame detectors.
Q: What are the trip output ratings?
A: Documented output contact ratings include 125 VDC at 1 A or 24 VDC at 3 A. The actual connected load must remain within the applicable system design limits.
Q: Is IS200TRPGH2BDE a different board?
A: IS200TRPGH2BDE is associated with the IS200TRPGH2B assembly. For replacement, match the complete board identification, revision, connectors, and system application rather than relying only on the base model number.
Troubleshooting & Safety
- Confirm the complete IS200TRPGH2B / IS200TRPGH2BDE identification before replacement.
- Verify that the existing turbine architecture requires the Simplex H2B configuration.
- Check all terminal wiring against the original turbine drawings before reconnecting field circuits.
- Inspect the JR1 cable and J1–J5 connectors for bent pins, contamination, or loose connections.
- Verify the trip-solenoid supply and output circuits before commissioning.
- For flame-detector faults, inspect detector wiring and signal polarity in addition to the TRPG connections.
- Do not alter relay or terminal wiring without the approved turbine control documentation.
- De-energize and isolate the turbine control and trip circuits before removing or installing the board.
- Trip and control circuits can contain hazardous DC voltage. Follow site lockout/tagout procedures and verify safe voltage before servicing.
- Because this board participates in turbine protection, replacement hardware should match the approved system configuration and revision.
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