G4AC HENF209544R1 RF Converter Control Board ABB

Description

The ABB G4AC (HENF209544R1) control board converts low-frequency signals to radio-frequency (RF) for reliable power-line communications. It integrates a DPLC modem, a digital signal processor, and an accessible human-machine interface for configuration. Engineers deploy this board in harsh electromagnetic environments where signal integrity and deterministic timing are critical. Moreover, the board supports multiple serial and voltage interfaces to connect PLCs, controllers, and legacy telemetry equipment. Therefore, the G4AC provides a practical migration path for utilities modernizing legacy carrier links while preserving existing cabling.