AEM 30-2340-N 4-Channel Wideband UEGO AFR Controller - For use with Nascar McLaren ECU - Manual (Page 17)

Page 17
APPENDIX A
CAN MESSAGE PROTOCOL
CAN 2.0b, 11 bit address, 1 Mbit/sec
8 data bytes/message
All multi-byte data packed big endian unless specified (most significant byte transmitted first)
All bits numbered with the LSB = bit0, MSB = bit7
Message ID: 0x0000001F
Source: AEM 4 Channel UEGO set on MODE 1
Rate: 10ms continuous
Byte Label Data Type Scaling Offset Range
0
Lambda 1 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
1
2
Lambda 2 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
3
4
Lambda 3 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
5
6
Lambda 4 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
7
Message ID: 0x00000020
Source: AEM 4 Channel UEGO set on MODE 2
Rate: 10ms continuous
Byte Label Data Type Scaling Offset Range
0
Lambda 5 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
1
2
Lambda 6 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
3
4
Lambda 7 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
5
6
Lambda 8 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
7
Message ID: 0x00000021
Source: AEM 4 Channel UEGO set on MODE 3
Rate: 10ms continuous
Byte Label Data Type Scaling Offset Range
0
Lambda 1 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
1
2
Lambda 3 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
3
4
Lambda 5 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
5
6
Lambda 7 16 bit unsigned .0001 Lambda/bit 0 0 to 6.5535 Lambda
7