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Entrapment Protection (continued)
Install the Monitored Light Curtain (Optional)
This step includes directions to install one set of monitored light curtains as a standalone primary entrapment
protection device.
The mounting brackets must be securely fastened to a solid surface such as a wall framing. If installing the mounting
brackets in masonry construction, add a piece of wood at each location to avoid drilling extra holes in the masonry.
NOTE: If the Monitored Light Curtain is installed with coil cord, the coil cord needs to be secured so it will not interrupt
the light beams.
1.
Fasten the mounting brackets loosely to both Monitored Light Curtain with the screws provided.
2.
Measure a maximum of 6 inches above the floor. Mark this location.
The lowest optical sensor of the Monitored Light Curtain must be
installed at or below this point. In this application, in order to assure
that the lowest optical sensor is mounted no higher than 6" above the
ground, the light curtain wires must be oriented at the top of the light
curtain in this application.
3.
Hold the Monitored Light Curtain up to the desired mounting location
with the cable end pointing upward. Secure the bottom mounting
bracket to the mounting surface.
4.
Make sure the Monitored Light Curtain is level and secure the upper
mounting bracket to the mounting surface.
5.
Tighten the screws to secure the Monitored Light Curtain to the
mounting bracket.
6.
Secure the other Monitored Light Curtain to the opposite side of the
door following steps 2–5, making sure they are aligned.
7.
Run wires to the operator.
8.
Twist like colored wires together, brown to brown and blue to blue.
POWER WIRING
Do not run wiring in the same conduit with AC power.
1.
Disconnect power to the operator.
2.
Connect the wires from the Monitored Light Curtain LC36M to the
following.
a.
Brown wire to + Aux24 power
b.
Blue wired to – Aux24 CMN
c.
White wire to eye/edge input –
d.
Black wired to eye/edge input +
ALIGNMENT
The Monitored Light Curtain transmitter and receiver must be aligned. When properly wired and aligned the amber
and green LEDs will be ON. The amber LED is located on the Monitored Light Curtain Transmitter and the green LED is
located on the Monitored Light Curtain Receiver. If the amber and green LEDs are not on, see the table below.
1.
Open and close the door for one complete cycle to let the operator register the Monitored Light Curtain.
Amber LED Green LED Status
OFF
OFF
ON
Blinks
NOTE: For more detailed information, please refer to Monitored Light Curtain manual 114-5541.
No power
• Monitored Light Curtain receiver and
transmitter are not aligned
• Obstructed light beam
• Defective Monitored Light Curtain
Receiver
Solution
Check wiring.
• Adjust the Monitored Light Curtains to
correct alignment
• Remove the obstruction
• Replace Monitored Light Curtain receiver
and transmitter (Model LC36M)
25
WARNING
To prevent possible product
damage and incorrect operation:
•
NEVER scratch or paint the
optical sensors.
•
DO NOT drill ANY additional
holes into the Monitored Light
Curtain.
•
Correctly connect and align
the Monitored Light Curtain
transmitter and receiver.
•
DO NOT bend or twist the
Monitored Light Curtain.
•
Oil may damage the Monitored
Light Curtain cable so
contamination MUST be
avoided at ALL times.
•
DO NOT mount the Monitored
Light Curtain where sunlight
or other external infrared light
sources will shine directly
into the optical sensors of
the Monitored Light Curtain
receiver. If necessary, switch
the mounting side of the
Monitored Light Curtain
transmitter and receiver.
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