Cumberland EDGE 890-00601, Installation And User Manual

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N
Low voltage cable specifications
Communication bus
The suggested cable is AlphaWire 45374 or with very similar specifications.
Table N-1 communication bus — communication cables
Item Description
Cable type Twisted and shielded
Minimum gauge 1 mm2 (18 AWG)
Maximum cable length (including cable extensions) 1200 meters (4000 feet)
Certification and type CSA, CMG FT4 type, 18 AWG, 600 V, 75 °C (167 °F)
UL, AWM or CM ttype, 18 AWG, 600 V, 75 °C (167 °F)
Characteristic Impedance 120 Ω +/- 12
Inductance 0.258 µH/ft, Nominal
Mutual Capacitance 12 pf/ft @1 kHz, Nominal
Velocity of propagation 75%
Conductor DCR 6.9 Ω/1000ft @20°C, Nominal
OA Shield DCR 1.8 Ω/1000ft @20°C, Nominal
Attenuation (Max dB/100ft) 0.13 @ 125 kHz
0.25 @ 500 kHz
0.36 @ 1 MHz
Number of Twists 2.4 Twists/foot (min)
Table N-2 DC Power cables
Item Description
Wire gauge
18 AWG 16* AWG 14 AWG 12 AWG 10 AWG
1 pair twisted
shielded
1 pair twisted
shielded
1 pair twisted
shielded
1 pair twisted
shielded
1 pair twisted
shielded
Max. length 150m (500 feet) 300m (1000
feet)
600m (2000
feet)
900m (3000
feet)
1200m (4000
feet)
Inductance
Nominal 0.17 μH/ft 0.174 μH/ft 0.16 μH/ft 0.16 μH/ft 0.14 μH/ft
ConductorDCR
@20°C,
Nominal 6.1 Ω/1000ft 3.6 Ω/1000ft 2.6 Ω/1000ft 1.63 Ω/1000ft 1.09 Ω/1000ft
Certification and
type CSA, TEW type, 600 V, 105 °C (221 °F)
UL, 1015 type, 600 V, 105 °C (221 °F)
*The recommended cable is AlphaWire 6451- 2 pairs:
895-00693 EDGE 227