Jiykr Programming Cable Driver Windows 7 Extra Quality Instant

Right-click the driver, select Update Driver -> Browse -> "Let me pick from a list" -> Choose an older version (e.g., v3.3.x or v3.4.x for Prolific). 2. Configure Serial Settings (COM Port Settings) In Device Manager, right-click the USB-to-Serial Port . Go to Properties -> Port Settings .

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If you are still experiencing issues, let me know the shown in Device Manager or the PLC model you are connecting to, and I can suggest a more specific driver version.

Click and point it to the folder where you extracted the driver files. Select the specific version (e.g., 3.2.0.0) and hit Next . Step 4: Optimizing for Performance Right-click the driver, select Update Driver -> Browse

In Device Manager, right-click your COM port, go to Properties , and select the Port Settings tab. Match the Bits per second rate to your specific programming software requirements (usually 9600 or 115200 ).

Look for a device labeled USB-Serial Controller , Prolific , or FTDI . Go to Properties -> Port Settings

Interpret the VID/PID (Vendor ID/Product ID):

Method B: Manual Device Manager Update (Recommended for Prolific Chips)