The GE IS200EAUXH1A Exciter Auxiliary I/O Interface Board is a component of the EX2100e series of excitation control systems used in GE gas turbines. It is a digital controller in the thyristor system that produces a flashing output of 41 VDC from the High-Speed Serial Link Interface Boards – AX Control.

The IS200EAUXH1A is an important part of the EX2100e system, as it provides the interface between the excitation control system and the thyristor converter. The thyristor converter is responsible for converting the AC power from the generator to DC power for the field coils of the generator. The IS200EAUXH1A provides the control signals for the thyristor converter, which allows the excitation control system to regulate the field current and, in turn, the output voltage of the generator.

The IS200EAUXH1A is a complex piece of equipment, and it is important to have a qualified technician repair or replace it if it fails. However, with proper care and maintenance, the IS200EAUXH1A should provide many years of reliable service.

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