Receive Nmea2000 - ADF Web HD67461 User Manual

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RECEIVE NMEA2000:

By pressing the "Receive NMEA2000" button from the main window for SW67461 (Fig. 2) the window "Receive NMEA2000 Frames"
appears (Fig. 4).
This section is used to define the NMEA2000 messages accepted by the converter.
Figure 4: "Receive NMEA2000 Frames" window
The means of the fields are:
If the field "Enable" is checked, the NMEA2000 variable is enabled;
In the field "PGN" the PGN of the NMEA 2000 message to receive is defined (in the NMEA 2000 protocol, the PGN is an identifier);
In the field "Source Address" the address of the device that sends the frame is defined.
If the field "Transport
If the field "Fast Packet" is checked, the frame will use the Fast Packet functions;
In the field "Start Byte" the starting byte to save internal memory array is defined;
In the field "N Bytes" the number of consecutive byte from the starting one is defined. For example, if the Start Byte is '20' and Num
Bytes is '10', it is possible to read the byte from 20 to 30;
If the field "Cancel Data" is checked, when the data is oldest of the time inserted in the "TimeOut Data", the converter sets "0xFF" in
the bytes of the internal memory array reserved for the PGN;
In the field "Mnemonic" the description for the frame is defined.
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Protocol" is checked, the frame can use transport protocol functions;
User Manual NMEA2000 / CANopen
Document code: MN67461_ENG Revision 1.000 Page 18 of 36
Page 18 of 36
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