Devicenet, 5 features of the “ thin” cable, 10 installation – Lenze EMF2175IB User Manual
Page 105
DeviceNet
10
Installation
10-7
L
BA2175 EN 2.0
10.5
Features of the “ thin” cable
(according to DeviceNet Specification)
General features
Two shielded pairs
Common axis with drain wire in center.
General features
Total shielding
65% coverage
36 AWG or 0.12mm Cu braid (individually tinned)
Drain wire
#22 copper min.; 19 AWG min. (individually tinned)
Outside diameter
6.096 mm (min) to 7.112 mm (max.) roundness - radius delta to be within 20% of 0.5
O.D.
Jacket marking
Vendor name & part # and additional markings
DCR (braid+tape+drain)
10.5 Ohm/1000 m (nom. @ 20ºC)
General features
Specification
Certifications (U.S. and Canada)
NEC (UL) type CL2(min.)
Bend readius installation / fixed
20 x diameter / 7 x diameter
Oprating ambient temperature
-20 to +70ºC @ 1,5 Ampere; de-rate current linearly to zero @ 80ºC
Storage temperature
-40 to +85ºC
Pull tension
289.23 N. max.
Features of the
Insulation diameter
1.96 mm (nominal)
Features of the
data cable
Conductor pair size
#24 copper (minimum); 19 AWG min (individually tinned)
data cable
Colours
libht blue blue, white
Pair twist / m
approx. 16
Tape shield over pair
1 mil / 1 mil, Al / Mylar. Al side out
w/shorting fold (pull-on applied)
Impedance
120 Ohm +/- 10% (at 1 MHz)
Propagation delay
4.46 ns/m (maximum)
Capacitance between conductors
39.37 pF / m at 1 kHz (nominal)
Capacitance between a conductor and the
conductor connected to shield.
78.74 pF / m at 1 kHz (nominal)
Capacitive unbalance
3.94 pF/1000 m at 1 kHz (maximum)
DCR - @ 20ºC
91.86 Ohm/1000 m (maximum)
Attenuation:
0.95 dB/100 m @ 125 kHz (maximum)
1.64 dB/100 m @ 500 kHz (maximum)
2.30 dB/100 m @1.00MHz (maximum)
Features of the
Conductor pair size
#22 copper (Minimum); 19 AWG Minimum (individually tinned)
Features of the
voltage cable
Insulation diameter
1.4 mm (nominal)
voltage cable
Colours
Red
Black
Pair twist/m
approx. 16
Tape shield over pair
1 mil / 1 mil, Al / Mylar. Al side out
w/shorting fold (pull-on applied)
DCR - @ 20ºC
57.41 Ohm/1000 m (maximum)
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