ifm
System Manual
ecomat
mobile
PDM360NG (CR1080, CR1081, CR9042) Target V01
2011-07-28
CAN in the PDM360
Physical connection of CAN
166
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
[mm
2
]
at 32 nodes
Wire cross-section
[mm
2
]
at 64 nodes
Wire cross-section
[mm
2
]
at 100 nodes
< 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.
