Appendix h: can wiring, 56 appendices, Can bus – MoTeC SDL User Manual

Page 58: These wires must be twisted

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56 Appendices

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 SDL, 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 SDL
uses USB for communications.

CAN-LO

CAN-HI

10

0R

100

R

CA

N

-LO

C

A

N-

HI

500mm
Max

CA

N

-LO

C

A

N-HI

CAN Cable

Connector

500mm

Max

<< CAN Bus >>

500mm Max

100R Terminating
Resistors at each
end of the CAN Bus

CA

N

-LO

C

A

N-

HI

CA

N

-LO

C

A

N-

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 SDL

CAN Device

eg BR2

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