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This slide gate site scenario
depicts a bi-directional traffic
system with controlled access
entry (card reader, radio
control, etc.) and free exit.
The gate's closure time is
determined by the number of
seconds entered in the CLOSE
TIMER item found in the User
Menu. The timer to close starts
when all loops are clear. The
timer is adjustable from 1 to 99
seconds.
For a single directional system,
the free exit loop may be
replaced by an obstruction loop
(reversing loop).
Uni- or Bi-directional
Traffic Control
Vehicles must pass from
one loop to the next
without loss of detection.
A = 6 ft min to 16 ft max
(1.8 to 4.5 m)
B = 6 ft (1.8 m)
C = 3 ft min to 4 ft max
(0.9 m to 1.2 m)
D = 3 ft min to 4 ft max
(0.9 m to 1.2 m)
E = 4 ft min to 8 ft max
(1.2 m to 2.4 m)
Reset Loop can be
offset from C/L of gate: 1
ft to 5 ft (0.3 m to 1.5 m).
F = 10 ft to 15 ft
(3 m to 3.6 m)
G = 4 ft to 6 ft
(1.2 m to 2.4 m)
H = 0.7 ft (0.2 m)
VEHICLE DETECTOR LOOP LAYOUTS
OUTSIDE
B
OBSTRUCTION
LOOP
SECURITY SLIDE GATE
INSIDE
OBSTRUCTION
LOOP
D
Road Edge
FREE
EXIT
LOOP
Note: A minimum of three (3) detectors are required for this
type of gate site scenario. V-track gate shown; other
gate types similar.
F
C
C
D
E
A
ACCESS CONTROL
Road Edge
Drawings NOT to scale
MX5386 Rev. B ©2023
47
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