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CANopen Network Interface
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1606218 02 08/2006
Choice of system cables
Transmission
Speed
The maximum allowable transmission speeds are given in the following table:
Specific
Resistance
The specific resistances and AWG cable sections are shown in the following table:
Transmission speed
(kBit/s)
Cable length
1000 30 m (98 ft)
800 50 m (164 ft)
500 100 m (328 ft)
250 250 m (820 ft)
125 350 m (1 148 ft)
100 500 m (1 640 ft)
50 1 000 m (3 280 ft)
20 2 500 m (8 202 ft)
10 5 000 m (16 404 ft)
Maximum speed Cable length Specific resistance of
cables
Cable sections
Kbits/s m ft mΩ/m m
Ω
/ft
mm
2
AWG
1000 for 40 m
(131 ft)
0 ... 40 0...131 70 21.34 0.25...0.34 AWG24, AWG22
500 for 100 m
(328 ft)
40 ... 300 131...984 < 60 < 18.29 0.34...0.6 AWG22, AWG20
100 for 500 m
(1640 ft)
300 ... 600 984...1968 < 40 < 12.19 0.5...0.6 AWG20
50 for 1000 m
(3,280 ft)
600 ... 1000 1968...3280 < 26 < 7.92 0.75...0.8 AWG18
Note: The parameters shown in the above table must be considered for networks
complying with the standard ISO11898-2.