Mitsubishi FX3U-232-BD Description Description Mitsubishi PLC, FX3U RS232C Interface module; for MELSEC FX3U Related products MITSUBISHI MR-J2-40A MITSUBISHI A1ADP-SP Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI A3ACPUR21 MITSUBISHI FX0-30MR-ES MITSUBISHI FR-PU04