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IRB-MON_Rev3.3_072720 technical@emxinc.com
IRB-MON
™
Universal UL325 Thru Beam Photoeye
Instruction Manual
The IRB-MON thru beam infrared photoeye is an external entrapment protection device type B1,
non-contact sensor for use with automatic gates and doors. The photoeye provides a signal to the gate
or door operator that the beam is or is not obstructed. The IRB-MON operates up to 115 feet over a
wide range of input voltages (6-35 VDC and 12-24 VAC). A green alignment indicator on the receiver
provides status information at a glance, making set-up and alignment easy. The IRB-MON provides
compatibility with most operators that accommodate monitored external entrapment devices per UL325.
This product is an accessory or part of a system. Install the IRB-MON according to
instructions from the gate or door operator manufacturer. Comply with all applicable codes
and safety regulations.
• IRB-MON KIT Thru beam photoeye kit, includes transmitter, receiver, protective hoods,
and sunshield
• IRB-HD-SET Gold anodized aluminum protective hoods
• IRB-SH-SET Gray powder-coated steel protective hoods
6-35 VDC, 12-24 VAC
ononly)
Current (NC and 10K Monitoring Methods)
Current (Pulse Monitoring Methods)
Monitored normally closed, or normally open
10K
Relay Output Configuration
Form C contacts (NO, COM, NC)
<300 mS (for use in NC or 10K monitoring)
-40° to 170°F (-40° to 77°C)
2.3” (57 mm) x 2.6” (65 mm) x 3.7” (94 mm)
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