It monitors circuit voltage and current parameters to trigger overcurrent and undervoltage protection for internal turbine control rack components ...

It receives and isolates field digital contact signals, transmits switch status data to main CPU for gas and steam turbine interlock and sequence control ...

It isolates external digital contact signals and transfers equipment status signals to the main controller for turbine interlock and sequential logic control ...

It collects generator speed and voltage feedback signals, processes analog data to support stable excitation and load control of gas and steam turbines ...

It processes generator drive digital commands and feedback signals to regulate excitation output and stabilize turbine generator operating parameters ...

It transmits drive power and control signals between main control cards and generator excitation units to stabilize turbine generator voltage and reactive power... ...