3.5. HOW TO CONFIGURE CAN OUTPUT
3.5 How to con
fi
gure CAN output
The CAN implementation in the AsteRx-U3 allows the transmission of several messages, as
speci
fi
ed below. To con
fi
gure CAN using the web interface, go to the Communication menu
and select CAN.
By default, CAN output is turned off. By default, the Baud rate is set to 250 kbaud (as per the
NMEA2000 standard) however, this can be changed.
Figure 3-20:
CAN con
fi
guration
The receiver can serve as a terminator on the CAN bus backbone. By default, the internal
termination resistor is turned off, but if the receiver functions as one of the end points of the
CAN network, the resistor can be enabled.
Finally, support for the NMEA2000 and/or J1939 standards can be turned on or off.
Every piece of equipment in the CAN network needs to have a source address. NMEA2000
uses address claiming whereby the
fi
rst available address is assigned automatically to the
piece of equipment on the CAN network. By default, the address from which the query for
available addresses is started is zero but it can also be set to another value, as shown in
Figure 3-21.
Figure 3-21:
NMEA2000 start address setting
It is possible to con
fi
gure up to three different NMEA2000 output streams. For each stream,
a different subset of messages to be output and interval can be selected. The interval can
be set to 50ms, 100ms, 200ms, 500ms or 1s. When enabled, PGN 126992, PGN 219029 and
PGN 129539 have a
fi
xed interval of 1 second, regardless of the chosen interval.
Figure 3-22:
NMEA2000 PGN con
fi
guration
31
Содержание AsteRx-U3
Страница 1: ...AsteRx U3 User Manual ...
Страница 14: ...2 3 ASTERX U3 DESIGN Figure 2 4 Mounting brackets fitted to the AsteRx U3 14 ...
Страница 39: ...4 1 HOW TO CONFIGURE THE ASTERX U3 FOR RTK Figure 4 6 Correctly configured cellular modem 39 ...
Страница 79: ...8 4 HTTP HTTPS Figure 8 7 Uploading a certificate to the receiver 79 ...