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Establishing USB Serial Communication

The USB serial port is also known as a Virtual COM Port. The device must be located less than 3 m away from the computer. This connection is made using a USB cable. USB Driver: You must install the FTDI USB driver available in the USB_Driver\FTDI folder.

CFW300

1) Connecting the Computer to the Device

The figure below shows how to connect a computer to the device via USB.

CFW300 connected to computer

2) Windows Device Manager

Windows Device Manager indicates the serial port connected to the device.

The computer name in the device manager is intentionally illegible.

WIN

3) WPS Communication Configuration

In WPS, select the correct serial port in the Properties > Communication Configuration window as follows.

WPS Configuration

ℹ️ Note: Turn off the device before making connections.

4) Connecting the Device

  1. Insert the mini-B connector of the USB cable into the device's USB connector;
  2. Insert the type-A connector of the USB cable into the computer's USB port;
  3. In the Device Manager, check which serial port is connected;
  4. Make sure that in the Communication Configuration category of the resource's Properties window, the serial connection is selected;
  5. The serial port and its resource configuration in WPS must be the same serial port that appears in the Windows Device Manager where the USB cable is connected;
  6. Never change the values of parameters P308, P310, P311, and P312 during a connection. Changing these parameters causes instantaneous loss of communication between the PC and the device.