The GE DS200TBQBG1A CB is an analog I/O termination board associated with the GE Mark V Speedtronic turbine control system. It provides an interface for field signals, helping route measurement data from sensors and transmitters to the corresponding control boards.
The board supports signal connections for analog measurements, vibration monitoring, and pulse-rate inputs. These functions help the turbine control system collect operating information and coordinate monitoring and control tasks.
| Parameter | Description |
|---|---|
| Brand | General Electric (GE) |
| Model | DS200TBQBG1A CB |
| Product Type | Analog I/O Termination Board |
| Functional Acronym | TBQB |
| Compatible System | Mark V Speedtronic |
| Main Function | Field signal termination and routing |
| Signal Types | Analog, vibration, and pulse-rate inputs |
| Main Connectors | JGR and JHR |
| Configuration | Hardware jumpers |
The board uses a printed circuit assembly with signal connections, routing circuitry, and hardware configuration points. In a compatible Mark V installation, the JGR connector routes analog and vibration signals toward the TCQA board, while JHR handles designated pulse-rate and compressor-stall detection signals for the TCQC board.
Typical applications include:
Before installation, confirm the complete part number, revision, and required jumper settings. Disconnect power according to the equipment manufacturer’s procedures and observe electrostatic discharge precautions.
During routine maintenance, inspect terminal connections, connectors, and circuit-board surfaces for looseness, contamination, or damage. Verify signal routing and hardware settings against the applicable GE documentation before returning the system to service.

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