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DS200TCCAG1B GE Model Parts Mark V Common Analog I/O Board
The GE DS200TCCAG1B is a Common Analog Input/Output (I/O) Board designed for the GE SPEEDTRONIC Mark V turbine control system. It is also identified by the functional acronym TCCA.
Installed in the Mark V R5 analog I/O core, this board processes multiple types of analog signals from field instruments. It supports signal conditioning and data transfer for 4–20 mA signals, RTDs, thermocouples, and shaft-monitoring circuits.
The DS200TCCAG1B exchanges conditioned signal data with the STCA board through its 3PL data-bus connector. It works with associated terminal boards, including CTBA, TBCA, and TBQA, to support analog signal acquisition and output functions.
The TCCA board receives analog signals through associated terminal boards. It conditions and processes measurements from field instruments before transferring the data to the Mark V control system.
The board supports 4–20 mA input and output circuits. Current input signals are received through the CTBA interface, while analog output signals are driven through the corresponding output circuit.
The board interfaces with RTD temperature measurement circuits through the TBCA terminal board. It supports temperature measurement applications within the turbine control system.
Thermocouple signals are received through the TBQA terminal board. The board processes temperature measurement signals for monitoring and control-system use.
The DS200TCCAG1B also handles shaft voltage and shaft current signals associated with turbine monitoring.
Conditioned analog data is transferred to the STCA board through the 3PL connector, allowing the Mark V I/O Engine to use the processed signal information.
- 80196 microprocessor: Provides onboard processing for the board's assigned I/O functions.
- PROM memory: Stores board-related firmware and program information.
- LED status indicator: Provides a visual indication for board-status monitoring.
- 50-pin connectors: JCC and JDD provide connections for associated RTD signal circuits.
- Hardware jumpers: J1, JP2, and JP3 provide specific hardware configuration and test functions.
- Modular architecture: Works with separate terminal boards to support maintainable turbine-control cabinet design.
| Connector | Function |
|---|---|
| 2PL | Power distribution connection from the TCPS board |
| 3PL | Data-bus connection to the STCA board |
| JAA | 4–20 mA output interface to CTBA |
| JBB | 4–20 mA input and shaft-monitoring interface from CTBA |
| JCC / JDD | RTD signal interfaces from TBCA |
| JAR / JAS / JAT | Thermocouple signal interfaces from TBQA |
| JC | Power-supply diagnostic interface |
| JEE | Auxiliary connector, generally unused in normal operation |
The DS200TCCAG1B is a Common Analog I/O Board, also known as the TCCA board, designed for the GE SPEEDTRONIC Mark V turbine control system.
Its main function is to condition and process analog signals, including 4–20 mA, RTD, thermocouple, and shaft-monitoring signals.
It is designed for the GE Mark V turbine control system.
TCCA is the functional acronym used to identify the Common Analog I/O Board.
GE Mark V Analog I/O Board
,DS200TCCAG1B Common Analog Board
,GE Module Parts Analog I/O
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