99
Figure 63 CAN parameter configuration example
Note: Averaging constant cannot be used with CAN data, because this
information comes in digital format. So in order to prevent data loss, set
Averaging constant parameter to 1.
Most parameters have certain resolution. FEE9 parameter has 0.5L/bit gain, so value that is
sent to server has to be multiplied by 0.5.
Data parsing is preceded by selecting correct message from all available on CAN bus. FMS
standard interface description indicates that fuel consumption is parameter with ID FEE9:
Table 55 FMS standard – fuel consumption
00FEE9
PGN Hex
65,257
PGN
1000 ms
Rep. Rate
Data Byte 1
Data Byte 2
Data Byte 3
Data Byte 4
Data Byte 5
Data Byte 6
Data Byte 7
Data Byte 8
Byte No.
Not used for
FMS-
Standard
Not used
for FMS-
Standard
Not used
for FMS-
Standard
Not used
for FMS-
Standard
Total fuel used
0,5 L/Bit gain
0 L offset
5.2.5.66
SPN 250
Total fuel used
0,5 L/Bit gain
0 L offset
5.2.5.66
SPN 250
Total fuel used
0,5 L/Bit gain
0 L offset
5.2.5.66
SPN 250
Total fuel used
0,5 L/Bit gain
0 L offset
5.2.5.66
SPN 250
Name
Values
Values
Values
SAE ref
SPN
The example indicates how fuel consumption message is selected and how configuration
impacts this selection (Figure 64).
Figure 64 Example
Содержание FM6320
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