6electrical installation – Lenze EMF2179IB User Manual
Page 60

Electrical installation
Cable specification
EDKMF2179 DE/EN/FR 4.0
60
l
H2 Kabelspezifikation−Thincable
Properties of the "Thin Cable" in accordance with DeviceNet specification
General features
Structure
Two shielded balanced lines, common axis with drain wire in the
centre
Total shielding
65% coverage
AWG 36 (at least 0.12 mm) of tin−coated copper braid (individually
tinned)
Drain wire
At least copper 22; at least 19 cores (individually tinned)
Outer diameter
6.096 ... 7.112 mm
Concentricity
The radius deviation has to be within 20 % of half the outside
diameter.
Cable sheath labelling
Name of vendor, part no., and additional labelling
Spec. DC resistance (braid, wrapping, leakage)
10.5
W
/km (nom. at 20 °C)
Certifications (U.S. and Canada)
NEC (UL), CL2 (min.)
Bend radius
20 x diameter (installation) / 7 x diameter (fixed)
Ambient temperature (operation)
−20 ... +70 °C at 1.5 amperes;
linear current derating to zero at 80 °C
Storage temperature
−40 ... +85°C
Pull tension
289.23 N
max
Features of the data line
Insulation diameter
1.96 mm (nom.)
Conductor pair
At least copper 24; at least 19 cores (individually tinned)
Colours
Light blue, white
Pair windings / m
Approx. 16
Shielding/conductor pair
1000/1000, Al/Mylar, Al side on the outside, with w/shorting fold (for
tensile load)
Impedance
120
W
+/− 10 % at 1 MHz
Runtime
4.46 ns/m (max.)
Capacitance between conductors
39.37 pF/m at 1 kHz (nom.)
Capacitance between one conductor and
another which is connected to the shield.
78.74 pF/m at 1 kHz (nom.)
Capacitive assymetry
3.94 pF/km at 1 kHz (max.)
Spec. DC resistance at 20 °C
91.86
W
/km (max.)
Damping
0.95 dB/100 m at 125 kHz (max.)
1.64 dB/100 m at 500 kHz (max.)
2.30 dB/100 m at 1.00 MHz (max.)