Download the latest version of (for XC series) or XDPro (for XD/XL series) from the official Xinje website.
2. PLC is Not Recognized At All (No Yellow Exclamation Mark)
Match the software port selection dropdown menu to the exact noted from Device Manager in Step 6.
Once the driver is installed, you must tell the software which port to use: . Go to Option > Communication Setting .
For older Xinje XC series PLCs, the process might differ. Some users have successfully used the generic for programming via a USB-to-serial converter. If the official driver fails on your XC series, trying the CH341 driver could be a solution. xinje plc usb driver install
as the connection type (or select the specific COM port assigned).
Some USB 3.0 ports cause issues with older USB-to-serial drivers. Try a USB 2.0 port if available.
Install your respective Xinje programming software (e.g., ).
Before plugging in the hardware, ensure you have the Xinje programming software installed. Download the latest version of (for XC series)
If you have already run the main software setup wizard, the drivers are copied to your local drive. Check C:\Program Files (x86)\Xinje\XDPro\Driver or C:\Program Files (x86)\Xinje\XCPPro\Driver .
as a "USB Serial Port" followed by a COM number (e.g., COM3). Port Limit: Ensure the assigned COM port number is COM20 or lower
If you see an entry with a yellow exclamation mark (e.g., "USB Serial Port" or "Xinje USB"), the driver is missing or incorrectly installed. Step 4: Install/Update Driver Manually Right-click the device with the yellow warning sign. Select . Choose Browse my computer for drivers .
If the software requires a COM port number, enter the exact COM port number assigned to the driver in your Device Manager. Click or Check to confirm communication. Troubleshooting Common Errors Driver Signature Enforcement Error (Windows 10/11) Once the driver is installed, you must tell
The biggest drawback is that the installation is rarely "Plug-and-Play." On modern systems like , the OS often fails to automatically fetch the driver from the web.
Either XCPro (for XC series) or XBuilder (for XD/XL series) installed on your machine. Step 1: Download the Correct Driver
Navigate to the top menu and select > Communication Settings (or Communication Config ).
To recap the golden rules: