Lenze E94AYCDN - Manual (Page 27)

Lenze · E94AYCDN communication module (DeviceNet™) · Communication Manual · DMS 5.0 EN · 02/2014 · TD17
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5 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)
Colours Red / black
Pair windings / m Approx. 16
Shielding per wire pair 1000/1000, Al/Mylar, Al side outside, w/shorting fold (pull tension)
DC resistor specification at 20°C 57.41 /km (maximum)