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The GE part number IS200EPMCH1A is a UCCx Daughter Card for the Mark VIe Excitation Control System. As a daughter card, it’s a smaller circuit board that plugs into a larger “motherboard” (the main control card), adding a specific function. The “UCCx” designation points to its role in controlling the Universal Control and Communication module within the system.
Function and Key Features
This board is part of the high-performance, redundant control system that regulates a generator’s voltage and reactive power. It plays a key role in the system’s communication and control logic.
- Communication and Control: The EPMCH1A board handles communication with other system components, as well as providing control signals to the power electronics. It essentially serves as a specialized I/O and processor for the main control board, offloading certain tasks.
- System Integration: It plugs directly into a main control board, such as a DSPX card, to provide enhanced capabilities.
- Redundancy: In a redundant system, multiple of these boards may be used to provide fault tolerance, ensuring that the system can continue to operate even if one card fails.
- Robust Design: Like all GE industrial control components, it’s built to withstand the harsh conditions of a power plant, including high voltages, vibrations, and electromagnetic interference.
