Cable

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Cable

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Table shows the recommended specification for cables.

 

Table  - Profibus Cable Specification

Measure

Range

Impedance

135 … 165 Ω

Capacitance

< 30 pF / m

Resistance

< 110 Ω / km

Wire Diameter

> 0,64 mm

Conductor cross section

> 0,34 mm²

 

Dependency between the maximum cable length an the baud-rate is given in the following table.

 

Table  - Baud Rate & Max Cable Length

Baud rate [kbit/s]

Max. cable length [m]

9.6

1200

19.2

31.25

45.45

93.75

187.5

1000

500

400

1500

200

3000

100

6000

12000