The GE DS200TCEAG1B, also cataloged as the DS200TCEA Emergency Overspeed Board, operates as a dedicated hardware component for high-speed overspeed protection, flame detection, and trip generation within GE Mark V turbine control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCEAG1B |
| Brand | General Electric |
| Origin | USA |
| Series | Mark V |
| Functional Acronym | TCEA |
| Hardware Revision | Group 1, Revision B (G1B) |
| Board Type | Emergency Overspeed Board |
| Core Processing | 1 x Onboard Microprocessor, socketed PROM modules |
| Hardware Jumpers | 30 x Configuration jumpers |
| Circuit Protection | 3 x Fuses |
| Integrated Circuits | Flame Detection Circuits, Turbine Overspeed Circuit, Automatic Synchronizing Circuit |
| Key Connectors | J7 (PD Core Power), JK (TCEB Signals), JL (TCTG Trip Signals), JW (TCEB Flame Signals), JX1/JX2 (Daisy-Chained IONET), Pair of Bayonet Connectors |
| Protective Coating | Normal Assembly Coating |
| Operating Temp | 0 to 60 deg C |
| Dimensions | Standard GE Mark V Board Size |
| Weight | Standard GE Mark V Board Weight |
| Power Consumption | System backplane and J7 PD power distribution driven |
Backplane Bus Communication & I/O Density Scaling
The DS200TCEAG1B integrates directly with the Mark V control architecture across daisy-chained JX1 and JX2 IONET connectors to ensure deterministic network data transfer without transmission latency. Internal integrated circuits—including dedicated flame detection, automatic synchronizing, and turbine overspeed evaluation blocks—process high-frequency feedback directly at the hardware layer. Signal density scaling is maintained through specialized hardware interfaces: the JK and JW connectors route raw signal data from the TCEB expander board, while the JL connector delivers direct hardware trip commands to the TCTG board upon detected overspeed parameters.
Frequently Asked Questions
Q: How is software configuration executed for the DS200TCEAG1B board?
A: Software parameters and logic assignments are configured using the standard Mark V IO Configuration Editor tool, while baseline operational modes are set via onboard PROMs and 30 hardware jumpers.
Q: What physical functions do the onboard bayonet connectors perform?
A: The pair of bayonet connectors handles high-frequency physical cable connections to external monitoring devices, utilizing locking female receptacles on the board surface.
Q: What board connector directly outputs hardware trip signals during an overspeed event?
A: The JL connector routes direct trip logic commands to the TCTG board to actuate emergency turbine shutdown sequences.
Field Installation Guidelines
- Isolate all cabinet power sources and confirm complete de-energization of the Mark V rack before removing or installing the board.
- Wear a grounded static-dissipative wrist strap connected to the metal chassis during all handling operations.
- Support the board frame with one hand when disconnecting bayonet and multi-pin connectors to prevent physical board flex or trace fracturing.
- Align all 30 configuration jumper positions on the replacement board to match the exact settings of the original board before restoring power to the system.
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Guide
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