Under , you should see:

To install the GEV189 USB Download Cable driver on Windows 10, you must use the official Leica Geosystems drivers, as Windows Update typically does not provide them automatically. The cable, often identified by part number

Once installed, the device should appear as a USB Serial Port (COMX) . 💡 Pro Tip: If the

A: Check your baud rate, parity (usually Even), data bits (8), stop bits (1), and flow control (None). Also confirm the PLC is in Stop or Program mode.

Install the driver: