Using Photo Eye Sensors Instead Of Vehicle Loops - HySecurity StrongArm 14F Programming And Operations Manual

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Some site conditions (for example, dirt or gravel
roads) may warrant use of photo eye sensors
for vehicle detection. In this type of application,
the photo eye pair is connected to vehicle loop
terminals on the Controller.
NOTE: A pair of photo eye sensors, used in place of vehicle
loops and wired to vehicle loop terminals on the Controller,
does not satisfy UL 325 Standard of Safety for "monitored"
external entrapment protection. To understand external
entrapment protection and how HySecurity equipment
monitors sensors, refer to the section titled Entrapment
Protection. on page 49.
This layout illustrates a bi-
directional traffic system with
controlled access entry (card
reader, radio control, etc.) and
photo eyes used for vehicle
detecttion. The gate's closure
time is determined by the
number of seconds entered in
the CLOSE TIMER (CT) User
Menu item. The timing to close
starts when all photo eyes are
clear. The timer is adjustable
from 1 to 99 seconds.
DIMENSIONS
A = width of roadway*
*Reflective photo eyes can only
be used if "A" is less than 24 ft.
(7.3 m)
Select appropriate distances
between B, C, and D to make
sure vehicles remain detected
within the photo eye zones.
MX3657-01 Rev. D ©2020
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Photo eye pair monitored as external entrapment protection sensors
Photo Eye Installation
Photo eye connections for
Free Exit detection
Photo eye connections for Inside
Obstruction detection
(reversing loop)
Photo eye connections for
Outside Obstruction detection
(reversing loop)
Photo Eye sensor terminal connections when
PE sensors used in place of vehicle loops
PUBLIC SIDE
EXIT
OUTSIDE OBSTRUCTION
(Reversing loop)
A
C
INSIDE OBSTRUCTION
(Reversing loop)
D
SECURE SIDE
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2
OPEN BUTTON
3
CLOSE BUTTON
REMOTE OPEN AND
4
RADIO CONTROL
Smart Touch Controller
5
OPEN/CLOSE
6
OPEN PARTIAL
INTERLOCK OPEN
7
TIME CLOCK OPEN
8
FREE EXIT DETECTOR
DISABLE EXIT DETECTOR
9
DISABLE CLOSE TIMER
INSIDE OBSTRUCTION
10
VEHICLE DETECTOR
OUTSIDE OBSTRUCTION
11
VEHICLE DETECTOR
SHADOW/RESET
12
VEHICLE DETECTOR
SENSOR 1
14
ACCESS CONTROL
DEVICE
1
B
2
FREE EXIT
3
Placement of
photo eyes if
used for vehicle
detection
Placement of
photo eyes if
used for vehicle
detection
Placement of
photo eyes if
used for vehicle
detection
103