The PLC USB Device Windows driver typically refers to a device driver that enables communication between a Programmable Logic Controller (PLC) and a Windows computer via a USB interface. PLCs are industrial control systems used for automating machinery or processes. The USB driver is necessary for connecting the PLC to the computer for configuration, programming, monitoring, and debugging tasks.

In the context of PLCs, many manufacturers use USB as a communication method between the PLC and a computer, and they provide specific drivers to enable this connection. The driver might be part of the software suite that accompanies the PLC or can be downloaded separately from the manufacturer's website.