ADR4
Installation Manual
EMM_871_4956
Rev 2.8
EM Motorsport Ltd. CONFIDENTIAL PROPRIETARY. All right reserved
17/20
6.2
Output packets
6.2.1
ADR4 to ECU (CAN ID 0x7B)
Message ID:
0x7B
Message rate:
f = 10Hz
Format:
Big Endian
Byte
Description
Scaling
Type
0
Accident Severity Index
0 = no accident
1-255 = severity of last accident
detected since power on
8-bit unsigned
1
ADR software version
10 (0x25=37d=>3.7)
8-bit unsigned
2-3
ADR Status
See Table 4
bitmapped
4-5
ADR serial number
-
16-bit unsigned
Message 6: ID 0x7B, rate 10Hz
Bit
Description
Note
0
Logging in progress
1 if logger is in LOGGING state, else 0.
1
Logging config OK
1 if configuration table is OK, else 0.
2
CAN Team OK
1 if ADR is receiving CAN messages from ECU, else 0.
3
Accident stored
1 if an accident is stored in memory, else 0.
4
Accident active
1 if an accident is being detected
5
Download Mode
1 when USB is connected for data download
6-15
0
Always zero
Table 4: ADR Status
6.2.2
ADR4 to ECU (CAN ID 0x81)
Message ID:
0x81
Message rate:
f = 100Hz
Format:
Big Endian
Byte
Description
Scaling
Type
0-1
Yaw rate
8.75 mdps/bit
16-bit signed
2-3
Acc Y (G-Lateral)
0.006125 g/bit
16-bit signed
4-5
Acc X (G-Longitudinal)
0.006125 g/bit
16-bit signed
6-7
Acc Z (G-Vertical)
0.006125 g/bit
16-bit signed
Message 7: ID 0x81, rate 100Hz
