PCD230A is core CPU control module for ABB UNITROL6000 generator excitation system, built with PowerPC high-performance processor, supports 1:1 hot redundant configuration for uninterrupted system switching upon single module failure. It processes generator voltage/current closed-loop regulation, field excitation logic control and fault diagnosis, widely installed in thermal power, hydropower and gas turbine generator sets, compatible with multi-type fieldbus and upper DCS monitoring platform.

