Power to Win

KB1047 - USB Settings

USB Settings

The R Series ECU's use a high speed USB port to interface with your laptop or tablet. The first time you connect your ECU you will have to select the correct port number in the software to match the hardware settings of your computer.

First Time Installation

To check the port number that has been asssigned by your computer you will need to open the windows "Control Panel" and locate the serial device.

  1. Open the windows Control Panel.

    If you are unable to locate the Control Panel app then type the name in the search bar and windows will locate it for you,

  2. Click on "Hardware and Sound".
  3. Select "Device Manager".
  4. Search for the "Ports (COM & LPT)" menu.

    Your ECU must be connected to your computer with a USB cable for it to show in the device list. It does not need as 12v supply as it is powered directly from the USB port.

  5. Double click on the "Ports" menu and you will see the port that has been assigned. Make a note of the port number.
  6. Double click again to open the port manager.
  7. Select the "Port Settings" tab at the top and select the "Advanced" button.

    If the assigned port number is greater than 8 you must change it to a value in the range of 1-8.

  8. Under "BM Options" change the latency timer to 8. (default is 16)

    If you forget to change the latency timer value the ECU will connect but will generate an error each time your try to download a map or any logger data.

  9. Press "OK" to save your changes and exit the system manager.

Port Settings

The Editor software must now be configured to match the windows port settings.

  1. Open the Editor app.
  2. Under the "File" menu select "Port Settings"
  3. Set the port to match the one selected in the device manager.
  4. Press "OK" to save the settings.

You software is now configured to connect to your ECU. You can use the "Ctrl T" short cut key to re-connect to the ECU if communications is lost due to a power cycle or cable disconnect .


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