Mitsubishi QJ71C24N-R4 Description Description Mitsubishi PLC Q Series Serial communication module RS422/RS485: 2 ports Related products MITSUBISHI A2NCPU MITSUBISHI Q02HCPU Mitsubishi FX2N-48ER-ES/UL MITSUBISHI E1071 Mitsubishi FX2N-16EX-ES/UL Mitsubishi FX2N-16EYR-ES/UL