Return to Device Manager. Expand Ports (COM & LPT) . You should now see “USB-SERIAL CH340 (COM3)” or similar. Note the COM port number (e.g., COM3, COM4).
: Even though you plug it into a USB port, you must configure your programming software (like GX Developer or GX Works2) to use jxmcu usb-sc09-fx driver download
: Unlike older cables that drew power from the PLC's programming port (which could sometimes fail or reset the PLC), the USB-SC09-FX draws its power directly from your computer's . This makes it more stable for field use. The "Yellow Box" Identity Return to Device Manager
