Mitsubishi QJ71C24N-R4 Description Description Mitsubishi PLC Q Series Serial communication module RS422/RS485: 2 ports Related products Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI FR-A540-15K-EC MITSUBISHI E1071 MITSUBISHI A2NCPU Mitsubishi FX2N-48ER-ES/UL MITSUBISHI MR-J2-40A