ADF Web HD67225-A1, User Manual, Page: 18 / 20

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User Manual NMEA2000 / Modbus TCP Slave
Document code: MN67225_ENG Revision 1.100 Page 18 of 30
RECEIVE NMEA 2000:
By pressing the “
Receive NMEA 2000 ” button from the main window for SW67225 (Fig. 2) the window “Receive CAN Frames Definition”
appears (Fig. 4). In this section, it is possible to define the CAN frames that the converter will receive from CAN network.
If “Device till April 2014 (with Jumper)” is set in the section “Set Communication”, the window appears like below:
In the field “ PGN ” insert the PGN of the NMEA 2000 frame;
In the field “ Source Address ” insert the Source Address of the NMEA 2000 frame;
If the field “ Transport Protocol ” is checked the frame uses Transport Protocol functions;
If the field “ Fast Packet ” is checked the frame uses Fast Packet functions;
In the field “ Start Byte ” insert the byte which you would start read, this field is enable only when the field Transport Protocol is
checked;
In the field “ Num Bytes ” insert the number of byte you would read, for example your Start Byte is 20 an Num Bytes is 10, you can
read the byte from 20 to 30;
If the field “ Cancel Data ” is checked, after the timeout defined in the “Set Communication” window the value of the data of the
NMEA 2000 frame become “0xFF”;
In the field “ Mnemonic ” a description of the frame is defined.
Figure 4a: “Receive NMEA 2000 Frames” window