Mitsubishi FX3U-485-BD Description Description Mitsubishi PLC, FX3U RS485 Interface module, 1:n Multidrop, network expansion until 50 m Related products MITSUBISHI FR-A540-15K-EC Mitsubishi FX2N-16EYT-ESS/U Mitsubishi FX2N-32ET-ESS/UL MITSUBISHI FR-A540-22K MITSUBISHI FX0-30MR-ES Mitsubishi FX0N-65EC