Mitsubishi FX3U-232ADP-MB Description Description Mitsubishi PLC, FX3U RS232C Interface module incl. Modbus RTU/ASCII (master/slave) Related products MITSUBISHI MR-J2-40A MITSUBISHI FR-A540-15K-EC Mitsubishi FX2N-48ER-ES/UL MITSUBISHI A1ADP-SP MITSUBISHI FR-A540-22K Mitsubishi FX2N-48ER-DS