Appendix h: can wiring, Motec appendices 65, Can bus – MoTeC ADL2 EDL2 User Manual
Page 67
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MoTeC
Appendices
65
Appendix H: CAN Wiring
The CAN bus should consist of a twisted pair trunk with 100R (0.25Watt)
terminating resistors at each end of the trunk.
The preferred cable for the trunk is 100R Data Cable but twisted 22# Tefzel is
usually OK.
The maximum length of the bus is 16m (50ft)
CAN Devices (such as MoTeC ADL2, BR2 etc) may be connected to the
trunk with up to 500mm (20in) of twisted wire.
Note that the “CAN Cable Connector” is not normally used since the ADL2
uses USB for communications.
CAN-LO
CAN-HI
10
0R
1
00R
CAN-
LO
CAN-
HI
500mm
Max
CA
N-LO
CA
N-HI
CAN Cable
Connector
500mm
Max
<< CAN Bus >>
500mm Max
100R Terminating
Resistors at each
end of the CAN Bus
CAN-
LO
CAN-
HI
CAN-
LO
CAN-
HI
0V
8V
5
4
3
1
These wires must be Twisted
Minimum one twist per 50mm (2in)
CAN Device
eg M800
CAN Device
eg ADL
CAN Device
eg BR2