SENSOR INSTALLATION
n
WARNING
A non-contact sensor (photoelectric sensor or
equivalent) and a contact sensor (edge device or
equivalent) is required on each individual instal-
lation to comply with UL325.
Twist wires
outside of loop
Inside Property
Outside Property
Figure 16
Phantom
Loop
Exit
Loop
3 feet min
3 feet min
2 to 4 feet
3 feet min
4 feet min
6 feet min
typical
Do not twist wires inside
loops.
1/4"
1-1/2"
Reversing Sensors
on the ground floor prevent
gate from closing when vehicle is in loop area.
Exit Loops
on the ground floor opens gate when
vehicle crosses loop area.
Reversing
Loop
RAMSET
z
RAMSET
z
RAMSET
RAMSET
z
RAMSET
z
RAMSET
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