Mitsubishi FX3U-J1939 Communication Interface Module for FX Series

The Mitsubishi FX3U-J1939 (FX3U-J1939) is a dedicated communication interface module developed for Mitsubishi FX Series programmable logic controller systems. Designed to facilitate robust network connectivity, this module enables FX Series PLC configurations to exchange data seamlessly over SAE J1939 communication networks. It connects directly into compatible PLC rack and expansion configurations, allowing industrial controllers to communicate with diesel engines, generator sets, mobile machinery, and standardized heavy-duty vehicle systems using CAN-based J1939 protocols. Operating as an intelligent fieldbus interface, the FX3U-J1939 handles protocol conversion, message filtering, and cyclic data transmission between the central controller and external network nodes. This eliminates the requirement for third-party communication bridges, streamlining architecture and optimizing data acquisition for telemetry, engine diagnostics, and remote equipment automation. Built to industrial specifications for reliable operation in demanding environments, the unit is widely deployed across power generation installations, mobile equipment control panels, agricultural machinery automation, and commercial fleet monitoring systems.