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Electrical installation

Wiring of the PROFIBUS

EDK94AYCPM DE/EN/FR/ES/IT 6.0



H1_E_INST−Steckerleiste_Schraubanschl_15

Baud rate / length of bus cable

The length of the bus cable depends on the baud rate used:

Baud rate [kbps] Length [m]

9.6 ... 93.75 1200

187.5 1000

500 400

1500 200

3000 ... 12000 100

 Note!

The baud rate depending of the data volume, cycle time and number of nodes

should only be selected as high as required for the application.

 Tip!

For high baud rates we recommend to consider the application of optical

fibres.

Advantages of optical fibres:

ƒ Electromagnetic interferences on the transmission path remain ineffective.

ƒ Bus lengths of several kilometres are also possible with higher baud rates.

The bus length is

– independent of the baud rate.

– dependent on the optical fibre used.

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