Information on the current driver installed for our USB to RS-485 serial adapter is displayed. We can change the communication parameters from this tab like baud rate (Bits per Second), data bits, parity, and stop bits. You can see that our device has been set up and working properly. Right-click on the device and select properties. Note: The specific communication port (COM) used will depend on your computer system. COM3 will now point to the USB port where the information is converted to an RS485 signal. The USB-SERIAL CH340 is on communication port 3. The computer will automatically detect this new device and use the driver that we installed above.Ĭall up the device manager and view the ports on your computer. USB Serial CH340 COM PortĬonnect the USB to RS-485 serial adapter to your PC. Message indicating that the installation was successful. This will now install the CH340 serial driver and then display a In my case, this is called DriverSetup(X64) because I am using a Windows 10 64-bit computer. You will notice this on the setup window name. The installation will automatically determine if you have a 32 or 64-bit computer. Open the extracted files and double-click on the Setup.exe file to install the driver. (Right-click on the zip file and select Extract All…. Go to the following website and download the latest drivers for this device.ĭownload and extract the zip file. The driver is Microsoft Certified and is USB 2.0 compliant. The CH340/CH341 USB to serial port Windows driver includes DLL dynamic library and non-standard baud rate settings and other instructions. Purchase your USB to RS-485 serial adapter from the following affiliate links.ĭo NOT connect the USB to RS-485 serial adapter to your PC before installing the driver file. Let’s get started installing our USB to RS485 adapter. The CH340/CH341 USB to serial device supports multiple baud rates and has a thumb drive design. It has a Type A (plug) USB connector for the computer side and screw terminals for the RS485 connections. It does not require an external power supply or complicated configuration. The CH340/CH341 USB to Serial port is a 2-wire USB to RS-485 serial communication adapter for RS485 use. We will be installing a USB to rs485 installation on our computer.
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