Right-click the faulted device, select Uninstall Device , restart your computer, and install the alternative driver chipset (switch from CH340 to FTDI, or vice versa). Error: "Cannot open the specified COM port"
Electrostatic discharge (ESD), high electromagnetic interference (EMI) from nearby variable frequency drives (VFDs), or Windows USB Power Management settings. Fix: Go to Device Manager →right arrow Universal Serial Bus controllers →right arrow right-click your USB Root Hub →right arrow Properties →right arrow Power Management →right arrow
into your computer's USB port. connect it to the PLC yet. Step 3: Open Device Manager Right-click the Start button and select Device Manager .
: Directly powered by the USB port; no external PLC power is required for the cable to function.
To make this cable function correctly, your operating system must emulate a standard COM port. This functionality is entirely dependent on having the correct driver installed. This article provides the verified download information, hardware specifications, and step-by-step deployment instructions for modern Windows operating systems. amsamotion usbcn226 driver download link
If Windows fails to recognize it, you may need to use the FTDI CDM Drivers directly, as the often uses an FTDI chip.
Unplug the USBCN226 cable from your computer before running the setup.
sudo modprobe ch341 dmesg | grep ch341
uncheck
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Because the computer's USB port must simulate a traditional serial (COM) interface to communicate with the PLC, installing the correct driver is mandatory 💾 Driver Download Links
Converts standard USB architecture to RS232 serial signals.
The cause could be a faulty USB port or cable. Try plugging it into another USB port on your computer and ensure the cable is securely connected to the PLC. If the issue persists, you can try updating the USB controller drivers for your PC. Right-click the faulted device, select Uninstall Device ,
Download the matching driver file from the sources verified above.
Hi everyone,
amsamotion.com (Look for or FTDI drivers).
Generally relies on high-performance FTDI chips or CH341 serial conversion chipsets depending on the precise version manufactured. connect it to the PLC yet