G4AC HENF209544R1 RF Converter Control Board ABB Bus Interface Module Carrier Alignment: Ensure proper positioning and

Alignment: Ensure proper positioning and alignment of connectors and jumpers during installation

Maximum Stub Length: 300 mm (+40 to +85 °C)

Number of Serial Communication Modules per CPU: Maximum of six modules in the main CPU backplane

Belonging to the Foxboro I/A Series

G4AC HENF209544R1 RF Converter Control Board ABB Bus Interface Module Carrier Alignment: Ensure proper positioning andOverview 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