IMC CANSAS - FAST-Channel Examples: Nibble Order, Start Bit Position

SENT: Gateway from SENT to the CAN-Bus 395
imc CANSAS Users Manual - Doc. Version 1.9 - 05.12.2014© 2014 imc Meßsysteme GmbH
6.19.2.3 FAST-channel examples: Nibble order, Start bit position
The following examples conform to the nomenclature presented in Appendix A of the standard SAE J2716
of JAN2010. As an example, FAST-channels with the names Channel 1 and Channel 2 are extracted from
the SENT-message. xxx denotes data from other channels.
The examples illustrate how the parameters Nibble order, Start bit position and Number of bits are used.
Example 1 as per SAE J2716 JAN2010, A.1 Dual throttle position sensors
Nibble order
Start bit position
Number of bits
Channel 1
MSN first
0
12
Channel 2
LSN first
12
12
Sensor data
Bit weight
SENT Nibble Bits
SENT Nibble
S&C [3] Serial Data Channel
S&C [3]
Status and
communication
S&C [2] Serial Data Channel
S&C [2]
S&C [1] Reserved for specific application
S&C [1]
S&C [0] Reserved for specific application
S&C [0]
Channel 1 Data [11]
2
11
Channel 1 MSN [3]
Data 1
Channel 1 MSN
Channel 1 Data [10]
2
10
Channel 1 MSN [2]
Channel 1 Data [9]
2
9
Channel 1 MSN [1]
Channel 1 Data [8]
2
8
Channel 1 MSN [0]
Channel 1 Data [7]
2
7
Channel 1 MidN [3]
Data 2
Channel 1 MidN
Channel 1 Data [6]
2
6
Channel 1 MidN [2]
Channel 1 Data [5]
2
5
Channel 1 MidN [1]
Channel 1 Data [4]
2
4
Channel 1 MidN [0]
Channel 1 Data [3]
2
3
Channel 1 LSN [3]
Data 3
Channel 1 LSN
Channel 1 Data [2]
2
2
Channel 1 LSN [2]
Channel 1 Data [1]
2
1
Channel 1 LSN [1]
Channel 1 Data [0]
2
0
Channel 1 LSN [0]
Channel 2 Data [3]
2
3
Channel 2 LSN [3]
Data 4
Channel 2 LSN
Channel 2 Data [2]
2
2
Channel 2 LSN [2]
Channel 2 Data [1]
2
1
Channel 2 LSN [1]
Channel 2 Data [0]
2
0
Channel 2 LSN [0]
Channel 2 Data [7]
2
7
Channel 2 MidN [3]
Data 5
Channel 2 MidN
Channel 2 Data [6]
2
6
Channel 2 MidN [2]
Channel 2 Data [5]
2
5
Channel 2 MidN [1]
Channel 2 Data [4]
2
4
Channel 2 MidN [0]
Channel 2 Data [11]
2
11
Channel 2 MSN [3]
Data 6
Channel 2 MSN
Channel 2 Data [10]
2
10
Channel 2 MSN [2]
Channel 2 Data [9]
2
9
Channel 2 MSN [1]
Channel 2 Data [8]
2
8
Channel 2 MSN [0]
The example above also applies for an alternative from A.5 Pressure.