EMX Industries, Inc. Tech support: 216-518-9889 2/4
IRB-4X_Rev2.1_062320 technical@emxinc.com
1. Knock out the perforated hole on the transmitter
and receiver housing that will be used to
wire through. Be careful not to damage
the electronic circuit board when knocking out
the hole.
2. Connect 12-24 VDC/AC power to the
“Power Input” terminals on the transmitter
(marked “TX”) and receiver (marked “RX”).
The power input terminals are not polarity
sensitive.
3. Install the optional sunshield on the receiver
as shown to the right in case of solar interference
or cross talk.
4. Connect the Common (COM) to the control input
terminal per the operator manufacturer.
5. Connect either the Normally Open (NO) or
Normally Closed (NC) as needed to the control
input terminal per the operator manufacturer.
6. Adjust the sensitivity potentiometer as needed by turning counter clockwise to increase gain.
Use the minimum sensitivity setting needed to achieve reliable detection.
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