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The GE IS200STURH4A is a Simplex Turbine Interface Terminal Board for the GE Mark VI (MKVI) turbine control system. Its main function is to serve as a high-integrity, non-redundant interface for a variety of turbine-specific signals.
Function and Purpose ⚙️
The IS200STURH4A acts as a crucial link between a turbine’s various sensors and the main processor. It is designed to handle a mix of signals that are vital for turbine operation and protection, such as:
- Speed and pulse signals: From sensors that measure the turbine’s rotational speed.
- Vibration inputs: From proximity probes or accelerometers that monitor the health of the turbine’s bearings.
- Trip and permissive signals: Digital inputs from switches that indicate a safe or unsafe condition.
The “Simplex” designation indicates that this board is used in applications where a single, non-redundant channel for these signals is sufficient. The board provides the necessary signal conditioning and electrical isolation to ensure that these crucial signals are accurately and reliably transmitted to the control system.
Related Components
The IS200STURH4A works in conjunction with other components of the Mark VI system, including:
- I/O Packs: These electronic modules mount directly on the terminal board and contain the active electronics for processing and validating the signals.
- Processor Cards: The main CPU of the system, which receives the processed data from the I/O packs and executes the control and safety logic.
- Field Devices: The board connects to various sensors, such as speed sensors and vibration probes, to acquire the necessary data for monitoring.
