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Twisted Circuits - all values are maximum limits (dimensions shown in mm)
E212564
Item
A
Connector
B
Splice
C
Typically taped to backbone
Maximum CAN Bus Length Series Chain
Method - all values are maximum limits
(dimensions shown in mm)
E212565
Maximum CAN Network Lengths
Network Speed
125 kbps
500 kbps
^ This allows for an off-board tester cable of up to 5m.
NOTE: Exceeding the permitted CAN network
lengths will result in data transfer issues and could
cause serious vehicle error.
EU
FORD TRANSIT 2016.75
A
100
Between terminating
ECU's
50m
33.5m
Description
It is allowed to connect modules to the backbone
using a series chain method instead of a stub. If
the series chain method is selected, the untwisted
wire on each side of the double crimp in the
connector cannot exceed 50mm. See figure
E212565
The two terminating ECU's shall be placed the
'furthest' distance apart on the CAN Bus. The
maximum wiring length for each type of network
is defined in the following table
SAE J1962 Connector to 'Furthest'
Terminating ECU^
Cable Stub Length: Must be a final length of
between 0.3m and 2m, see dimension 'X' in figure
E212566. It is acceptable for any stub, except the
terminating ECU stubs, to be open circuit and
unterminated, i.e. harness variants are not required
to support option fit ECU's.
C
B
45m
28.5m
Date of Publication: 03/2018
215
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