Check the original CD or USB drive provided with the unit. If lost, the manufacturer’s technical support team can usually provide a direct download link via email. Hardware IDs:
The most helpful resource for this specific model provides dedicated download links for various Windows versions: abacus acon u-01 driver download
Right-click and select > Driver tab; the manufacturer should be listed as FTDI . Technical Specifications for Setup Baud Rate Supports auto baud rates up to 115kbps . Isolation Provides 500V of isolation. Modes Check the original CD or USB drive provided with the unit
: Start by visiting the official website of Abacus or Acon. Sometimes, manufacturers provide direct links to download drivers for their devices. Technical Specifications for Setup Baud Rate Supports auto
: Open the Windows Device Manager. If you see a "yellow warning icon" on the device, it indicates the driver is missing or incorrect. Update Driver Right-click the device and select "Update Driver" "Browse my computer for drivers"
Last updated: October 2025 – This guide is accurate as of the latest Windows 11 23H2 update. Always check for newer driver versions on the official Abacus website.
: Since the device uses an FTDI chip, you can also find compatible drivers at TransData.