Once plugged into the network and receiving power and N2K data, it creates a small WIFI connection that you can connect to with your computer and handheld devices to recieve N2K data over TCP/IP. It is a small device in two flavors (same as YDNU) for either SeatalkNG or DeviceNet. Please see the User Manual for more information.įor boats with WIFI aboard, the WDWG is an excellent alternative to the YDNU. Out of the box, it should work just fine in AUTO mode. OpenCPN doesn't work with NMEA2000 or RAW data, so those modes should be avoided. Its default setting is AUTO and plugging it into OpenCPN should let it know to conver NMEA2000 data from the network and send it in NMEA0183 format. Please note: the YDNU can operate in one of four different “modes.” They are: AUTO, NMEA0183, NMEA2000, and RAW. This can be verified in the “Show NMEA Debug Window.” Now you are receiving NMEA0183 data into OpenCPN through your USB port. Give it a name of YDNU or something so you know which connection it is and “Apply”. In the “Connections” pane of the Options menu, click “Add Connection.” Set the connection to “Serial,” select the YDNU-02 from the “Data Port” (If you don't know which one it is, check this before plugging it in and it will be the new one after plug in) and select the baud rate to 230400 from the drop down menu. Setting up the YDNU-02 in OpenCPN is very straight forward. Manuals can be downloaded from the same site.

Please see the manual for how to do this as it can be quite involved. If internal settings need to be done or firmware upgrades need to be applied, it is done through a Terminal interface that is less than intuitive. Setup for the YDNU-02 should be automatic.

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