This emergency trip board provides failsafe protection for gas turbine overspeed conditions. The GE IS200TREGH2B IS200TREGH2BDC monitors three independent speed sensor inputs simultaneously. The board uses a 2-out-of-3 voting logic to prevent nuisance trips. Consequently, operators receive reliable protection without unnecessary turbine shutdowns.
Technical Specifications of the Emergency Trip Board
The GE IS200TREGH2B IS200TREGH2BDC fits a standard VME 6U form factor seamlessly. Its height measures 233.4 mm, and its depth reaches 160 mm. The board weighs approximately 0.75 kg including all protection circuitry. A single front panel LED array shows trip status and sensor health at a glance. The rear side uses a 64-pin DIN 41612 connector for backplane signals and power. This design stores minimal energy in small filtering capacitors only. Therefore, the board contains no batteries or large energy storage elements.
| Parameter | Specification |
|---|---|
| Full Model | GE IS200TREGH2B IS200TREGH2BDC |
| Category | Gas Turbine Emergency Trip Board |
| Dimensions (H x D) | 233.4 mm x 160 mm |
| Weight | Approximately 0.75 kg |
| Speed Sensor Inputs | 3 independent channels |
| Voting Logic | 2-out-of-3 for trip initiation |
| Trip Outputs | 2 redundant relay contacts |
| Response Time | Less than 5 milliseconds |
| Rear Connector | 64-pin DIN 41612 |
| Energy Storage | Minimal (filtering only) |
| Supply Voltage | +5V DC at 1.1 A typical |
Functional Features and Overspeed Protection
The GE IS200TREGH2B IS200TREGH2BDC compares each speed input against a programmable trip setpoint. You can configure separate alarm and trip thresholds for each sensor channel. The onboard hardware implements all trip decisions without any software delays. This hardwired approach guarantees deterministic response times below 5 milliseconds. Each trip output uses a normally energized relay for true fail-safe operation.
Installation and System Integration
You must install this trip board into a dedicated VME backplane slot. The GE IS200TREGH2B IS200TREGH2BDC communicates trip events to the main turbine controller via the backplane. A front panel test button allows manual trip simulations during scheduled maintenance. The board also records the first sensor channel that triggered each trip event. Always verify sensor wiring before commissioning the protection system.
Maintenance and Safety Benefits
Because the GE IS200TREGH2B IS200TREGH2BDC stores no battery-backed data, it requires no periodic battery replacement. Technicians can replace the board without losing trip history or configuration settings. The two redundant relay outputs remain in a safe state during board removal or installation. Consequently, gas turbine protection never compromises even during maintenance procedures.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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