Core master control board for UNITROL 6000 excitation system, regulating generator voltage & monitoring unit operation ...

Master control & power driver board for ABB UNITROL generator excitation system, signal processing and power drive integrated ...

High-speed signal interface board for UNITROL excitation system, processing analog & digital field control signals ...

High-speed communication board for UNITROL excitation system, data exchange between controller and upper monitoring system ...

Optically isolated digital input board collecting field switch signals for ABB generator excitation control system ...

High-precision analog signal acquisition & conversion interface board for ABB ACS1000 medium voltage inverter system ...