Mitsubishi FX3U-J1939 Description Description Mitsubishi PLC FX Series, FX3U 1939 communication Module Related products MITSUBISHI FR-A540-15K-EC Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI A985GOT-TBA-EU MITSUBISHI FR-A540-22K Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI FX0-20MR-ES