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Figure 26.
NAVconfig CAN messages configuration window (General tab)
Depending on the baud rate selected, the suggested maximum CAN messages per second will
change. A warning message will appear if the combined rate of all current navigation and
status messages will overload the CAN bus at the selected baud rate. Disabling or reducing
the frequency of navigation or status messages will remove the warning and ensure reliable
operation of the CAN bus. Increasing the baud also works, but the baud rate must be common
to all devices on the bus. When using an RT ANA, the default baud rate is 1 MBaud.
The
Save DBC file
button generates a CAN DBC library listing all navigation and status
messages that are enabled (not greyed-out). The DBC file does not include channels defined
under the acquisition tab. The status message binary format is the same as the NCOM status
message binary format as described in the NCOM Description manual. Those status
messages that do not have signals listed against them are not described at the signal level in
the DBC file. The binary format of these messages is quite complex and as such the DBC file
it not sufficient to describe the decoding process.
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