Network Example; The Distance Of Trunk Line; The Length Of Drop Cable - Delta DeviceNet CME-DN01 User Manual

Chapter 2 Overview| CME-DN01

2.3 Network Example

TR

2.4 The Distance of Trunk Line

The distance between any two points must not exceed the maximum cable distance allowed for
the data. Refer to following table for details.
Data rate
125k bit/s
250k bit/s
500k bit/s
NOTE: Please refer to the "Appendix B -- DeviceNet Cable Profiles" in the DeviceNet
Specifications for the wiring cable to ensure the max. distance.

2.5 The Length of Drop Cable

A drop line connects a node on the DeviceNet cable system to the DeviceNet trunk. Refer to
following table for details.
Data Rates
Maximum Drop Length
Cumulative Drop Budget
2-2
trunk line
Maximum
distance
(flat cable) (thick cable)
420m (1378 ft) 500m (1640 ft)
200m (656 ft) 250m (820 ft)
75m (246 ft) 100m (328 ft)
125 Kbps
6 m (20 ft)
156 m (512 ft)
Maximum Maximum
distance distance
(mid cable)
300m (984 ft)
250m (820 ft)
100m (328 ft)
250 Kbps
6 m (20 ft)
78 m (256 ft)
Revision September 2017, 2006PDD23000003
Power
Supply
TR
TR: terminating resistor
: device node
Maximum
distance
(thin cable)
100m (328 ft)
100m (328 ft)
100m (328 ft)
500 Kbps
6 m (20 ft)
39 m (128 ft)