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The GE IS200TSVAH1A is a Servo Terminal Board for the GE Mark VI (MKVI) turbine control system. Its main function is to provide a physical interface for the wiring to and from a servo valve, which is a critical component for controlling turbine speed and fuel flow.
Function and Purpose ⚙️
The IS200TSVAH1A is the crucial link between the Mark VI’s control system and the turbine’s hydraulic or pneumatic servo valve. The board receives a low-level electrical command signal from the main control processor and sends it to the servo valve. In turn, the servo valve precisely modulates the flow of hydraulic fluid or compressed air to an actuator, which then controls a final element like a fuel metering valve or a steam valve. The board provides a secure and organized termination point for the wiring, and it often includes built-in diagnostics and signal conditioning to ensure the integrity of the command signal and feedback from the valve.
Related Components 🤝
The IS200TSVAH1A works in conjunction with other components of the Mark VI system, including:
- Servo I/O Packs: These electronic modules, such as the SVOI or SVPB, mount directly on the terminal board and contain the active electronics for generating the high-precision command signal for the servo valve.
- Processor Cards: The main CPU of the system, which executes the control logic for the turbine and determines the precise command for the servo valve.
- Servo Valve: This is the field device that receives the command from the board and physically controls the flow of a medium to an actuator.
