Industrial 85B389U02, 358E913 FET AI Mux Board is an ABB/Fischer & Porter analog input multiplexer module, identified by part numbers 85B389U02 and 358E913 with REV4. This FET-based multiplexing board is used to route multiple analog signals for processing in industrial automation systems. It is associated with Fischer & Porter and ABB equipment, making it a relevant component for maintaining or upgrading legacy control hardware that relies on a FET AI mux architecture.
