Mitsubishi QJ71C24N Description Description Mitsubishi PLC Q Series Serial communication module RS-232: 1 port, RS-422/485: 1 port Related products Mitsubishi FX2N-16EYT-ESS/U Mitsubishi FX2N-16EX-ES/UL Mitsubishi FX2N-16EYR-ES/UL Mitsubishi FX2N-48ER-ES/UL MITSUBISHI A3ACPUR21 MITSUBISHI MDS-A-SPJ-22