5installation – Lenze E94AYCDN User Manual

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Lenze · E94AYCDN communication module (DeviceNet™) · Communication Manual · DMS 5.0 EN · 02/2014 · TD17

Installation

5.2

Electrical installation

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Properties of the thin cable according to the DeviceNet specifications

General properties
Arrangement

Two shielded, symmetrical cables, common axis with drain wire in the centre

Overall shielding

Coverage: 65 percent

AWG 36, or at least 0.12 mm tinned copper braid (individually tinned)

Drain wire

At least copper 22; at least 19 cores (individually tinned)

Outer diameter

6.096 mm (minimum) ... 7.112 mm (maximum)

Roundness

A radius deviation must not exceed 20 percent of one half of the outer

diameter

Cable sheath labelling

Vendor name, part number and additional labelling

DC resistor specification (braid,

wrapping, discharge)

10.5 /km (nominally at 20°C)

Certifications (U.S. and Canada)

NEC (UL), CL2 (minimum)

Bend radius

20 x the diameter (installation) / 7 x the diameter (fixed)

Ambient temperature during

operation

-20 ... +70°C at 1.5 A; linear current derating to zero at 80°C

Storage temperature

-40 ... +85°C

Pull tension

289.23 N (maximum)

Data line properties
Insulation diameter

1.96 mm (nominal)

Wire pair

At least copper 24; at least 19 cores (individually tinned)

Colours

Light blue / white

Pair windings / m

Approx. 16

Shielding per wire pair

1000/1000, Al/Mylar, Al side outside, w/shorting fold (pull tension)

Impedance

120  +/- 10 % (at 1 MHz)

Runtime

4.46 ns/m (maximum)

Capacity between conductors

39.37 pF/m at 1 kHz (nominal)

Capacity between a conductor and

another which is connected to the

shield

78.74 pF/m at 1 kHz (nominal)

Capacitive unbalance

Max. 3.94 pF/km at 1 kHz

DC resistor specification at 20°C

max. 91.86 /km

Damping

max. 0.95 dB/100 m at 125 kHz

1.64 dB/100 m at 500 kHz (maximum)

2.30 dB/100 m at 1 MHz (maximum)

Voltage conduction properties
Wire pair

At least copper 22; at least 19 cores (individually tinned)

Insulation diameter

1.4 mm (nominal)