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Controlled Products Systems Group SWINGSMART DC 20 User Manual

Page 106

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Installing Vehicle Detectors and Loops

6-8

SwingSmart DC Installation and Reference Manual

Revision E

Figure 6-7.

B

ENTER

EXIT

OBSTRUCTION

LOOP

A

ACCESS CONTROL DEVICE
(Card reader, etc.)

Vehicle Detectors and Loop Layout for Openings less than 28 feet*

PUBLIC SIDE

This layout illustrates a
bi-direcƟonal traffic system with
controlled access entry (card
reader, radio control, etc.) and a
free exit gate. The gate is closed
by a TIMER TO CLOSE. The Ɵming
to close starts when all loops are
clear. The Ɵmer is adjustable
from 1 to 99 seconds.

For a single-direcƟonal system,
the FREE EXIT loop is replaced by
an OBSTRUCTION loop.

the FREE EXIT loop is replaced by
an OBSTRUCTION loop.

SECURE SIDE

C

D

E

F

CENTER

LOOP

FREE EXIT

or

OBSTRUCTION

LOOP

* NOTE: A minimum of three (3) detectors are required for this type of gate.

DIMENSIONS
A
= 6 to 20 feet (2 to 6 meters)
B = 6 to 8Ō (2m to 243cm)
C = Maintain 4Ō (122cm)
D = Maintain 5Ō (152cm) between loop
and edge of roadway. No vehicle can pass
through such a small area and escape detecƟon.
E = Maximum 4Ō (122cm). Vehicle must be
able to pass from one loop to the next
without loss of detecƟon.
F = The distance from gate to FREE EXIT
LOOP is equal to the gate panel length
plus 4Ō (122cm).

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