Appx.1-8
<Toc> <Ind>
<Appendix 1. Details on Network Configuration >
IM 34M6H28-01E
Table 1.5 Maximum Current (amps) Available Based on Network Thin Cable Length
Cable length (m)
0
10
20
30
40
50
60
70
80
90
100
Max. current (amps)
3.00
3.00
3.00
2.06
1.57 1.26
1.06 0.91
0.80
0.71 0.64
TA0105.EPS
0
10
20
30
40
50
60
70
80
90
100
0
1
2
3
Length of network (m)
FAP0108.EPS
Maximium current capacity (amps)
Figure 1.8
Maximum Current Available on Thin Cable DeviceNet power Supply Bus
• Configuration example 1
Node
0.1A
Node
0.1A
Node
0.1A
300 m thick cable
Node
0.05A
Node
0.1A
Network
power supply
Terminating resistor
Terminating resistor
FAP0109.EPS
Figure 1.9
Network Power Supply Configuration (Example 1)
Total length of network = 300 m
Total current consumption = 0.1 A + 0.1 A + 0.1 A + 0.05 A + 0.1 A = 0.45 A
Maximum current capability over the 300 m of a thick cable = 1.03 A
The total current consumption is less than the maximum current capacity of cables, so this
network configuration is possible.
1st Edition : Feb.01,1999-00
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