Mitsubishi QD51-R24 Description Description Mitsubishi PLC Q Series Serial communication module RS232, RS485 ports BASIC Related products Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI A985GOT-TBA-EU MITSUBISHI FX0-20MR-ES MITSUBISHI A1SX81 MITSUBISHI FR-A540-0.75K-EC MITSUBISHI A2NCPU