Lenze E94AYCIB Bedienungsanleitung PDF herunterladen (Seite 27)

Lenze · E94AYCIB communication module (INTERBUS) · Communication Manual · DMS 4.0 EN · 02/2014 · TD17 27

5 Installation

5.2 Electrical installation

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5.2.5 Bus cable specification

The nodes at the bus system must be wired with one of the fieldbus cables that complies with the

INTERBUS specification.

A manufacturer of INTERBUS cables is e.g. PHOENIX CONTACT (Germany).

Properties of the bus cable according to the INTERBUS specification

5.2.6 Bus cable length

Set the baud rate according to the length of the bus cable between the single INTERBUS nodes:

Possible settings via DIP switch

( 30)

Settings in »Engineer«

( 34)

 Note!

A cable which does not fulfil the requirements of the INTERBUS specification must not

be used!

General properties

Cable type Sold by the meter

(e.g. PHOENIX CONTACT: IBS RBC meter-T, order no. 28 06 28 6)

No. of conductors 3 x 2, twisted in pairs, with joint shielding

Conductor cross-section > 0.2 mm

DC-cable resistance < 96 /km

Impedance (characteristic) • 120  ± 20 % (f = 64 kHz)

• 100  ± 15  (f > 1 MHz)

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

Baud rate Cable length between the single INTERBUS nodes

500 kbps max.400 m

2 Mbps max. 150 m

 Note!

Select the baud rate which depends on the data volume, cycle time, and number of

nodes just high enough to suit your application.

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Lenze E94AYCIB Bedienungsanleitung Seite 27