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Electrical installation

Cable specification

EDK94AYCIB DE/EN/FR/ES/IT 1.0



H2 Kabelspezifikation−busltgslaenge

Cable specification

General characteristics

Cable type Sold by the meter,

(e.g. PHOENIX CONTACT: IBS RBC Meter−T, Order No.

28 06 28 6)

Number of conductors 3 × 2, twisted pairs, with shared shield

Conductor cross−section > 0.2 mm

DC cable resistance

< 96 W/km

Impedance (characteristic)

l 120 W ± 20 % (f = 64 kHz)

l 100 W ±15 W (f > 1 MHz)

Capacitance per unit length < 60 nF/km (f = 800 Hz)

Bus cable length

Adapt the baud rate to the length of the bus cable:

Baud rate Length of cable between the individual INTERBUS nodes

500 kBit/s 400 m

2 Mbits/s 150 m

 Note!

Select a baud rate that matches the data volume, cycle time and number of

nodes and that is as high as is necessary for the application.

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Lenze E94AYCIB Manual do Utilizador Página 43