Locate the "Unknown Device" (often listed under "Other devices" or "Ports"). Right-click it and select " Update driver Browse Local Files:
If you are facing issues where your computer does not recognize the HMI when plugged in, or if the project downloading tool (MCGS Embedded) fails to list the device, you likely need a driver update. mcgs hmi usb driver new
MCGS (Monitor and Control Generated System) HMIs, developed by Kunlun Tongtai, are widely used in industrial automation. Modern variants—such as the TPC series—rely on a USB connection for fast project deployment. Locate the "Unknown Device" (often listed under "Other
| Scenario | Old Driver Result | New Driver Result | | :--- | :--- | :--- | | Windows 11 (22H2) | Failed (Code 52) | (Plug & Play) | | Connecting via USB Hub | Frequent disconnects | Stable (4-hour test) | | Large Project (>50MB) | CRC error at 90% | Passed (6 seconds) | Modern variants—such as the TPC series—rely on a
If your industrial PC runs , the old driver is a security liability and a workflow bottleneck. The new MCGS USB driver transforms the HMI from a legacy serial device into a modern, high-speed peripheral.
Software versions MCGS Embedded Configuration Software Standard Version, MCGSE6.5 (01.0030) and above all support USB download service. Devices typically have two USB ports: USB2 provides USB download services, while USB1 only supports standard USB services.