EMX Industries IRB-MON Manuel utilisateur

EMX Industries, Inc. Tech support: 216-834-0761 1/6

IRB-MON_Rev3.0_080619 [email protected]

IRB-MON

Universal 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 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.

Cautions and Warnings

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.

Specifications

Operating Range

Up to 115 ft (35 m)

Power

6-35 VDC, 12-24 VAC

ononly)

Current (NC and 10K Monitoring Methods)

60 mA (relay activated)

Current (Pulse Monitoring Methods)

15 mA

Surge Protection

Thermal fuse

Relay Output Operation

Light ON/Dark ON

Relay Output Configuration

Form C contacts (NO, COM, NC)

Transmitter Power Cycle

<300 mS (for use in NC or 10K monitoring)

Operating Temperature

-40° to 170°F (-40° to 77°C)

Dimensions (L x W x H)

2.3” (57 mm) x 2.6” (65 mm) x 3.7” (94 mm)

Environmental Rating

NEMA 4X

EMX Industries, Inc. Tech support: 216-834-0761 2/6

IRB-MON_Rev3.0_080619 [email protected]

Ordering Information

•IRB-MON Thru beam photoeye, includes transmitter, receiver and sunshield

•IRB-HD-SET Gold anodized aluminum protective hoods

•IRB-SH-SET Gray powder-coated steel protective hoods

•IRB-SP Nylon liquid tight strain relief connector, set of two

•IRB-S Nylon mounting screws with nuts, set of two

•IRB-BR Steel “L” shaped mounting bracket, set of two

•IRB- RX-SH Receiver sunshield

Monitoring Methods

UL325 requires continuous monitoring of all safety devices connected to gate and door operators.

Consult the gate or door operator manufacturer’s instruction manual for necessary monitoring

method.

•Normally Closed: Cycles power to the transmitter while monitoring the receiver contacts for

proper operation

•10K Resistive Termination: Provides a measurable 10K ohm resistance across the normally open

(NO) when unobstructed

•Two-wire Pulse (2 Frequency): Provides 300Hz “heartbeat” unobstructed, 0Hz obstructed over

power supply lines

•Two-wire Pulse (3 Frequency): Provides 300Hz “heartbeat” unobstructed, 2Hz obstructed, and

0Hz failure over power supply lines

Board Diagram

EMX Industries, Inc. Tech support: 216-834-0761 3/6

IRB-MON_Rev3.0_080619 [email protected]

Installation

•Determine the mounting location of the IRB-MON photoeye according to UL325 guidelines.

•Deactivate the gate or door during photoeye installation.

•The IRB-MON cannot be used for a detection range of less than 5 feet.

1. Check the instruction manual of the gate or door operator

to determine which monitoring method is necessary for

that specific operator.

2. Knock out the PG hole on the housing that will be used to

wire through. Be careful not to damage electronic circuit

board when knocking out the hole.

3. Connect 6-35 VDC or 12-24 VAC power to the “Power Input”

terminals on the transmitter (marked “TX”) and receiver

(marked “RX”.) The power input terminals are not polarity

sensitive.

4. Install optional sunshield on receiver as shown to the right

to reduce the effects of solar interference or cross talk.

5. Wire the IRB-MON according to the configuration table and

wiring diagram that corresponds with the monitoring

method required by the gate or door operator.

MUST USE 6-35 VDC FOR PULSE MONITORING.

6. Make sure the covers are attached and closed tight using

all four plastic screws provided as shown. The wiring to the

enclosure must enter via UL listed watertight fitting such as

a strain relief or watertight conduit connector.

7. Verify that the IRB-MON transmitter and receiver are

aligned and apply power.

LED Indicators

Green transmitter LED on

Power

Green receiver LED on

Aligned

Green receiver LED flashing

Beam blocked or not aligned

8. The receiver and transmitter are aligned correctly when the green LED on the receiver is on. Decrease

the sensitivity setting on the receiver to the position where the green LED on the receiver starts to flash.

Then increase sensitivity setting one quarter turn. Confirm receiver LED is still on.

9. Place an obstruction (ex. hand) between the IRB-MON transmitter and receiver. The green LED on the

receiver will flash. Check the operator control board and verify that the safety input is recognized by

the operator. Test the beam with an obstruction between transmitter and receiver at multiple distances

to confirm proper operation.

10. Remove the obstruction and the green LED will turn on.

If the IRB-MON is aligned but not detecting an obstruction, consider slowly reducing sensitivity

(counter-clockwise) on the receiver until the obstruction is detected. This may be applicable for

installations with a detection zone of less than 20 ft.

TIP:

mounting screws

cover screws

EMX Industries, Inc. Tech support: 216-834-0761 4/6

IRB-MON_Rev3.0_080619 [email protected]

•Must use 6-35 VDC for pulse monitoring.

•The relay contacts labeled on the terminals and the references to them in these instructions are

shown in the energized state, no obstruction. (Dark ON setting –normally open (NO) contact closes

when the beam is unobstructed.)

•Pulsed configurations require current limiting in the operator. The IRB-MON will pulse 300Hz when

not obstructed and 0Hz when obstructed.

•DIP Switch 4 should be ON in virtually every configuration scenario.

When DIP Switch 4 is ON the relay will change state during a loss of power. This is sometimes referred

to as a “fail safe” mode. It is also sometimes referred to as Dark ON mode as the relay contact will be

in the closed position when under power and NOT obstructed.

•Dip Switch 4 is OFF in very rare installation scenarios. When Dip Switch 4 is OFF, the relay will function

in reverse. In addition, if DIP Switch 4 is OFF, during a loss of power the relay will

NOT change state during a loss of power. This is sometimes referred to as “fail secure” mode.

It is also sometimes referred to as Light ON (or Dark OFF) mode as the relay contact will be in the

open position when under power and NOT obstructed. WARNING: Leave DIP Switch 4 ON in all

normal operations and all UL 325 monitoring scenarios.

Configuration Settings and Wiring Diagrams

Monitoring

Method

Wiring

Diagram

DIP Switch Settings

Output

Connections

Jumper

SW1

SW2

SW3

SW4

Normally

Closed

OFF

NC, COM

10K

disabled

10K

Resistive

Termination

OFF

NO, COM

10K enabled

Two-Wire

Pulse (2

Frequency:

300Hz, 0Hz)

OFF

DC Power

10K

disabled

Two-Wire

Pulse (3

Frequency:

300Hz, 2Hz,

0Hz)

OFF

DC Power

10K

disabled

EMX Industries, Inc. Tech support: 216-834-0761 5/6

IRB-MON_Rev3.0_080619 [email protected]

Wiring Diagram A: Normally Closed

Wiring Diagram B: 10K Resistive Termination*

Wiring Diagram C: Two-Wire Pulse

(2 Frequency)

Wiring Diagram D: Two-Wire Pulse

(3 Frequency)

*If using the IRB-MON in an application

that does not require UL325 monitoring

across the normally open contact, it is

possible to disable the 10K resistor by

moving the 10K jumper to pins 2 and 3.

EMX Industries, Inc. Tech support: 216-834-0761 6/6

IRB-MON_Rev3.0_080619 [email protected]

Troubleshooting

Symptom

Possible Cause

Solution

Does not detect obstruction

Sensitivity is too high

Signal is reflecting off another

surface

Decrease sensitivity

potentiometer counter-

clockwise

Check area for highly reflective

surfaces

Receiver green LED flashes

continuously, indicating an

obstruction when one is not

present

Sensitivity is too low

Transmitter does not have

power

Receiver does not “see”

transmitter

Increase sensitivity

potentiometer clockwise

Check power source of

transmitter

Make sure transmitter and

receiver are aligned

Receiver activates but does not

transmit signal to operator

Faulty connection between

receiver and operator control

input

Verify all wires and terminal

connections

Receiver green LED off

Transmitter too close to receiver

Decrease sensitivity

potentiometer counter-

clockwise

Increase distance between

transmitter and receiver

Output relay chatters constantly

between open and close

All 4 DIP switches are in the OFF

position

Consult the Configuration

Settings table and set the

DIP settings according to the

UL325 monitoring method

detailed by the gate or door

operator manufacturer.

Warranty

EMX Industries, Inc. products have a warranty against defects in materials and workmanship for a period

of two years from date of sale to our customer.

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