Appendix e – ltc can messages, 36 appendices, Message 1 – MoTeC LTCN User Manual
Page 36: Message 2
36
Appendices
Appendix E – LTC CAN Messages
Messages 1 and 2 are transmitted by all LTC units.
Messages 5 to 10 are only transmitted from an LTC unit configured as a CAN
Collect Master.
Message 1
Byte
Name
Scaling
0
Compound ID = 0
N/A
1:2
Lambda
Hi:Lo = x.xxxLa
3:4
Ipn (Normalised pump cell
current)
Hi:Lo = xxxx µA
5
LTC Internal Temperature
xxx °C
6
Fault bits
Heater short to Gnd
Heater short to VBatt
Heater open circuit
Heater failed to heat
Sensor wire short
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
7
Heater duty cycle
xxx%
Message 2
Byte
Name
Scaling
0
Compound ID = 1
N/A
1
Sensor State
START
DIAGNOSTICS
PRE CAL
CALIBRATION
POST CAL
PAUSED
HEATING
RUNNING
COOLING
0
1
2
3
4
5
6
7
8
2:3
Battery Voltage
Hi:Lo = x.xxV
4:5
Ip (Raw pump cell current)
Hi:Lo = xxxx µA
6:7
Ri (Sensor cell impedence)
(0 for LTC-N, not applicable)
Hi:Lo = xxxx Ohms