Mitsubishi QJ71C24N Description Description Mitsubishi PLC Q Series Serial communication module RS-232: 1 port, RS-422/485: 1 port Related products MITSUBISHI A2NCPU MITSUBISHI FX0-30MR-ES MITSUBISHI Q02HCPU Mitsubishi FX2N-48ER-DS Mitsubishi FX2N-48ER-ES/UL MITSUBISHI FX1N-40MR-DS