Mitsubishi QD64D2 Description Description Mitsubishi PLC Q Series High Speed Counter module; 2 channel; 4Mpps Related products MITSUBISHI FR-A540-15K-EC MITSUBISHI A1ADP-SP MITSUBISHI FR-A540-0.75K-EC Mitsubishi FX2N-16EYR-ES/UL Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX2N-32ER-ES/UL