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4.5.4.5 Maximum length of the power supply cables
It is possible to use the same multi-pair cable to wire the beacons. Nonetheless, due to impedance losses
in the wiring, it can be necessart to double or triple certain wires for the 24V power supply. In certain
cases, it may be necessary to separate the 24V power supply to avoid needlessly oversizing all the cables.
Number of
Average length of the cables between beacons or between master beacon and power supply
beacons
12V+Signal.
2
12V+Signal.
3
12V+Signal
4
12V+Signal
5
12V+Signal
6
For sections < 1x2,5
Wiring the remote control unit: cable 6/10 type SYT1 for distance of up to 50 m, 9/10 for distances of
over 50 m.
CASE OF AN INSTALLATION IN AN OPEN PERIMETER
We consider as an "open perimeter" all installations in which an infrared barrier between 2 beacons is not
used to delimit the zone to be monitored.
5 m
6/10
24V
6/10
24V
6/10
24V
9/10
9/10
24V
2
24V
1,5
2
2
or de 2x1
10 m
15 m
6/10
1,5
2
1,5
2
1,5
2
2
1,5
2,5
9/10
2
2
1,5
2,5
USE THE CONNECTING STRIPS
20 m
25 m
9/10
2
9/10
2
2,5
9/10
2
2,5
9/10
2
4
1,5
2
4
versión 1-2008
30 m
2
2,5
2
4
2
2
6
19
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