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Chapter 4 SMART2 CAN Bus
The address can also be assigned using J1939 Commanded Address message sent by another ECU on the bus,
such as a tester unit. The commanded address always overrides the address specified using J1939CONFIG
command. When the Commanded Address is received, the receiver reports a status of CLAIMING followed by
CLAIMED. Restarting CAN using the J1939CONFIG command or CANCONFIG command clears the com-
manded address; the Address Claim procedure will be executed again based on parameters specified in the
J1939CONFIG command.
4.3 SMART2 NMEA2000 Logging
All NMEA2000 logs are configured using the LOG command, where the COM port is a CAN port (CCOM).
To enable NMEA2000 logs:
1. Configure the CAN bus. See Configuring the CAN Bus on page 37.
2. Enable the desired NMEA2000 logs.
NMEA2000 logs can be requested regardless of the on/off bus status of the receiver or the J1939 configuration.
They are output if and only if the receiver is online.
The position for the PGN129025, PGN129027 and PGN129029 logs are reported in the user selected
datum. See the OUTPUTDATUM command for more details.
When the solution type is INS (SPAN models), the DOPs in the PGN129029 message are calculated
at a 1 Hz rate.
To determine if the receiver is providing an INS solution, check the pos type field in the BESTPOS log.
4.3.1 How to Configure CAN1 to Transmit NMEA2000 Messages
1.
Enter the follow to configure CAN1:
CANCONFIG CAN1 ON 500K
2.
Enter the following to request NMEA2000 logs:
LOG CCOM1 PGN129029B ONTIME 1
LOG CCOM1 PGN129025B ONTIME 0.1
LOG CCOM1 PGN129026B ONTIME 0.1
LOG CCOM1 PGN129027B ONTIME 0.1
SMART2 Installation and Operation Manual v4
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