Mitsubishi QD51 Description Description Mitsubishi PLC Q Series Serial communication module RS232 2 ports BASIC Related products Mitsubishi FX2N-32ET-ESS/UL MITSUBISHI FX0-20MR-ES MITSUBISHI Q02HCPU Mitsubishi FX0N-65EC MITSUBISHI FR-PU04 Mitsubishi FX2N-32ER-ES/UL