Loop Layout (Dual Swing/Titan) - Nice Mercury 310 Installation & Reference Manual

Mercury 310 Automated Gate System
10.6.5 Loop Layout Example (Dual Swing/TITAN)
This layout illustrates a
bi-directional traffic system with
controlled access entry (card
reader, radio control, etc.) and a
free exit loop. The gate is closed
by a CLOSE TIMER. The
timer to close starts when all
loops are clear. The timer is
adjustable from 1 to 90 seconds.
For an exit only system, the
FREE EXIT loop is replaced by FREE EXIT loop is replaced by
an additional OBSTRUCTION an additional OBSTRUCTION
loop. loop.
DIMENSIONS:
A = 6 to 20 feet (2 to 6 meters)
B = 6 to 8ft (2m to 243cm)
C = Maintain 4ft (122cm) min.
D = Maintain 5ft (152cm) between
loop and edge of roadway. No vehicle
can pass through such a small area
and escape detection.
E = 4ft (122cm) to 6ft (183cm). Vehicle
must be able to pass from one loop to the
next without loss of detection.
F = The distance from gate to FREE EXIT
LOOP is equal to the gate panel length
plus 4ft (122cm).
Vehicle Detectors and Loop Layout for Dual Gate Openings less than 28 feet*
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ENTER
Photo Eye Beam (Close Direction)
D
(Inside Obstruction Loop)
or Single Gate Openings less than 20 feet*
* NOTE: A minimum of three (3) detectors are required for this type of gate.
PUBLIC SIDE
EXIT
Obstruction
Loop
A
C
Shadow Loop
E
Exit Loop
SECURE SIDE
Access Control
Device
(Card reader, etc.)
Minimum 6 feet
from gate.
B
F