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The GE IS200TGNAH1A is a Terminal Board for the GE Mark VIe (MKVIe) turbine control system. Its main function is to provide a dedicated physical connection and signal conditioning for generator-related signals, specifically those associated with the Protection and Logic Unit (PLU).
Function and Purpose ⚙️
The IS200TGNAH1A acts as the crucial link between the generator’s various sensors and the main turbine control processor. It is designed to handle signals that are vital for the generator’s operation and protection, such as:
- Voltage and current inputs: From voltage and current transformers (VTs and CTs) to monitor the generator’s electrical output.
- Frequency inputs: From sensors to monitor the generator’s rotational speed and frequency.
- Breaker status: Digital inputs that indicate the state of the main generator breaker.
The board provides a secure and organized termination point for the wiring, simplifying installation and maintenance. By providing a clean interface, it ensures that the generator signals are accurately transmitted to the main processor for monitoring, control, and protection logic. The “PLU” designation signifies its use in a protection-focused application, where a high level of integrity and reliability is required.
Related Components 🤝
The IS200TGNAH1A works in conjunction with other components of the Mark VIe system, including:
- Processor Cards: The main CPU of the system, which reads the digitized data from the I/O packs.
- I/O Packs: These electronic modules mount directly on the terminal board and contain the active electronics for signal processing and conversion.
- Field Devices: The board connects to a variety of sensors on the generator, such as voltage transformers and current transformers.
