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ifm System Manual ecomatmobile BasicDisplay (CR0451) V01
CAN in the PDM360 Physical connection of CAN
9.2.4 Wire cross-sections
1181
For the layout of the CAN network the wire cross-section of the bus cable used must also be taken into
account. The following table describes the dependence of the wire cross-section referred to the cable
length and the number of the connected nodes.
Cable length [m]
Wire cross-section at
32 nodes [mm
2
]
Wire cross-section at 64
nodes [mm
2
]
Wire cross-section at 100
nodes [mm
2
]
< 100 0.25 0.25 0.25
< 250 0.34 0.50 0.50
< 500 0.75 0.75 1.00
Depending on the EMC requirements the bus cables can be laid out as follows:
in parallel,
as twisted pair
and/or shielded.
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