How to use Mitsubishi Usb-Qc30r2 Cable? Mitsubishi USB-QC30R2 programming cable is emulated into a traditional serial port (commonly known as COM port) through the USB port of the computer, so that the existing various programming software, communication software and monitoring software are used. This cable is suitable for Mitsubishi Q series PLC QC30R2 Cable Pinout … Read more