LOOP DETECTOR SYSTEMS AND INSTALLATION
The diagram below depicts the typical loop options for a
Slide Gate installation.
1. The Exit Loop provides a signal to open the gate
when a vehicle enters the loop zone.
2. The Reversing Loop protects a vehicle in the loop
zone from being contacted with the gate by over-
riding any close signal while the gate is open, and
by reversing the gate if closing.
3. The Shadow Loop protects a vehicle in the loop
zone from being contacted with the gate by
overriding any close signal while the gate is in the
full open position.
4'
4'
4'
4'
4'
Road Surface
Sealant
Loop wires
Min 1"
3/16" To 1/4"
Saw Slot
4'
4'
Approx.
10'
30
LOOP INSTALLATION
1. Layout the desired loop locations per the diagram.
The standard size chart below will give an
approximate length of wire required for various loop
dimensions and number of turns required.
CAUTION: The Loop wires and Lead-in wires must be a
continuous piece of wire without splices. The amount of lead
in wire required must be added to these lengths for total wire
required. Only use wire intended for this type of application.
(Type XHHW insulation 16AWG)
NOTE: Buried steel from drains or other systems may affect
functioning of the loop system. Check with the factory for
advice on any special installations. (1-800-243-4476).
STANDARD LOOP LAYOUTS
FOR APPROX 36” HEIGHT DETECTION
LOOP SIZE # OF TURNS LOOP WIRE
LENGTH (FT)
4’X4’ 4 64’
4’ X 6’ 4 80’
4’ X 8’ 3 72’
4’ X 10’ 3 84’
4’ X 12’ 3 96’
4’ X 14’ 3 108’
4’ X 16’ 3 120’
4’ X 18’ 3 132’
4’ X 20’ 3 144’
4’ X 22’ 3 156’
4’ X 24’ 3 168’
4’ X 26’ 3 180’
4’ X 28’ 3 192’
4’ X 30’ 2 136’
4’ X 32’ 2 144’
4’ X 34’ 2 152’
4’ X 36’ 2 160’
4’ X 38’ 2 168’
4’ X 40’ 2 176’