While not always required, restarting your PC ensures the virtual COM port is registered properly. Connect Cable: Plugin the JXMCU USB-SC09FX Go to product viewer dialog for this item. Verify in Device Manager: Right-click the Start menu and select Device Manager . Expand Ports (COM & LPT) . You should see "USB-SERIAL CH340 (COMx)". Configuring Mitsubishi GX Developer/GX Works2
The JXMCU USBSC09FX acts as a bridge between your computer's USB port and the RS422 interface of a PLC. Unlike standard USB cables, this adapter requires a specific "USB-to-Serial" driver to create a virtual COM port. Without this driver, software like GX Developer or GX Works2 will fail to detect the PLC, resulting in communication errors. Where to Download the JXMCU USBSC09FX Driver
Includes signed drivers for modern Windows 10/11 environments. jxmcu usbsc09fx driver download full
Disable Driver Signature Enforcement: On Windows 10/11, some older JXMCU drivers are unsigned. You may need to temporarily disable signature verification in the Advanced Startup menu to complete the install.
Double-click your current connection target (e.g., Connection1). Double-click the item. Select RS-232C and choose your corresponding COM Port . Click Connection Test to verify. Troubleshooting Common Errors While not always required, restarting your PC ensures
Depending on the specific chipset inside your cable, you may need one of the following drivers:
: The COM port assignment might have changed. If you plug the JXMCU adapter into a different USB port on your PC, Windows may assign it a completely new COM port number. Check Device Manager to verify. Expand Ports (COM & LPT)
Fix : This often occurs with unsigned drivers. On Windows 10/11, restart the PC while holding the Shift key to enter Recovery Mode, then navigate to Troubleshoot > Advanced Options > Startup Settings > Restart . After the restart, choose Disable Driver Signature Enforcement (option 7), then install the driver normally.
Sometimes, Windows blocks the installation of the driver. You may need to disable driver signature enforcement. 2. Incorrect COM Port
Wait a few seconds for a popup message stating "Driver install success." Re-plug your JXMCU USBSC09FX cable into the USB port. Verifying the Installation Open the again. Expand Ports (COM & LPT) .
: Provides a consolidated PLC Cable Driver Download often used for these generic adapters.