Automation Products Group APG IRU-5000 79 Inches Short Range Ultrasonic Level Sensor, APG IRU-2000 Object Detection Ultrasonic Sensor, APG IRU-9400 High Sensivity Ultrasonic Level Sensor, APG IRU-3430 50 ft Long Range Ultrasonic Level Sensor, APG IRU-2420 25 ft Mid Range Ultrasonic Level Sensor Installation Guide
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APG
Thank You
Thanks for purchasing an IRU ultrasonic sensor from us! We appreciate your business and your
trust. Please take a moment to familiarize yourself with the product and this manual before
installation. If you have any questions, at any time, don’t hesitate to call us at 888-525-7300.
NOTE: Scan the QR code to the right to see the full
user manual on your tablet or smartphone. Or visit
https://www.apgsensors.com/support to nd it on our
website.
Table of Contents
IRU Series Ultrasonic Sensors
Installation Guide
IRU-2000’s, IRU-3430’s, IRU-5000’s, IRU-6420’s, & IRU-9420’s
1.Description
2. How To Read Your Label
3. Warranty
4. Installation Guidelines
Description
1
The IRU series is APG’s line of general purpose ultrasonic sensors. With a choice of operating
ranges from just a few inches to as far as 50 feet, the IRU product line is designed to t a wide
range of industrial automation applications. It is certied for installation in hazardous areas in the
US and Canada by CSA for Class I, Division 2, Groups C & D and Class I, Zones 2 environments.
How To Read Your Label
2
Each label comes with a full model number, a part number, and a serial number. The model
number for your IRU will look something like this:
SAMPLE: IRU-6429-C6
5. RST-3002 Programming
Module Wiring
6. IRU Pinouts
7. Dimensions
8. General Care
9. Repair Information
10. Hazardous Location Wiring
R
Automation Products Group, Inc.
1025 W 1700 N Logan, UT 84321
www.apgsensors.com | phone: 888-525-7300 | email: sales@apgsensors.com
RST-3002 Programming Module Wiring
5
Sensor
DC Ground
Sensor
+24 VDC
SENSOR 24 VDC
RST-3002
_
24 VDC
Power Supply
+
To Computer
USB Port
Part # 122950-0017
Doc #9004254 Rev A
The model number tells you exactly what you have. You can also call us with the model, part, or the
serial number and we can help you.
You’ll also nd all hazardous certication information on the label.
Warranty
3
This product is covered by APG’s waranty to be free from defects in material and workmanship
under normal use and service of the product for 24 months. For a full explanation of our Warranty,
please visit https://www.apgsensors.com/about-us/terms-conditions. Contact Technical Support to
recieve a Return Material Authorization before shipping your product back.
Scan the QR code below to read the full explanation of our Warranty on your tablet or smartphone.
Installation Guidelines
4
Your IRU should be installed in an area--indoors or outdoors--which meets the following
conditions:
• Ambient temperature between -40°C and 60°C (-40°F to +140°F)
• Ample space for maintenance and inspection
Additional care must be taken to ensure:
• The sensor has a clear, perpendicular sound path to the surface being monitored.
• The sensor is mounted away from tank or vessel walls and inlets.
• The sound path is free from obstructions and as open as possible for the 9° o axis beam
pattern.
• The sensor is tightened by hand to avoid cross-threading.
*Important:
For user interface guide and sensor conguration see the full user manual.
Figure 5.1
All IRU sensors (excluding the IRU-6429S and IRU-9429S) are fully programmable using an RST-
3002 programming module.
The RST-3002 is connected in series between the sensor and its power source using the
two 2-pin Phoenix connectors on the module (See Figure 5.1). 15-28 VDC from the power
source is connected to one 2-pin connector, while the VDC + and DC Ground of the sensor
is connected to the module through the second 2-pin connector. When power is applied, the
red LED between the Phoenix connectors on the RST should illuminate and the sensor should
start audibly “ticking”. The operating parameters of the sensor can then be adjusted using the
Windows-based utility software (available at www.apgsensors.com/support).
IRU Pinouts
6
IRU-2002 IRU-2003
+24 VDC
DC Ground
Clock Sync
Digital Display Output
Relay
Relay
3/C Cable IRU-XXX3-C
Red +24 VDC
Black DC Ground
White 4-20 mA Out
5-pin MC IRU-XXX3-M
1 Brown +24 VDC
2 White Not used
3 Blue DC Ground
4 Black 4-20 mA Out
5 Grey Not used
6/C Cable IRU-2004-C IRU-2005-C
Red +24 VDC +24 VDC
Black DC Ground DC Ground
Green Clock Sync Clock Sync
White NPN trip NPN 2
Blue T (+) or (B) NPN 1
Orange T(-) or (A) 4-20 mA Out
5/C Cable IRU-XXX5-C IRU-XXX9-C
Red +24 VDC +24 VDC
Black DC Ground DC Ground
White NPN 1 Voltage Out
Orange 4-20 mA Out Excitation
Green NPN 2 Analog Ground
4
21
3
5
Digital Display Output
4-20mA Circuit Power (+24 VDC)
8/C Cable IRU-XXX9S-C
Red +24 VDC
Black DC Ground
Orange Excitation
White Voltage Out
Green Analog Ground
Brown RS-232 Ground
Yellow RS-232 TX
Blue RS-232 RX
8-pin MC IRU-XXX9S-M
1 White Voltage Out
2 Brown +24 VDC
3 Green Analog Ground
4 Yellow RS-232 TX
5 Grey RS-232 Ground
6 Pink RS-232 RX
7 Blue DC Ground
8 Red Excitation
+24 VDC
DC Ground
Clock Sync
4-20mA Output
1
6
7
8
5
2
3
4
IMPORTANT: Refer to section 10 for Hazardous Location Wiring.
5-pin MC IRU-2004-M IRU-2005-M IRU-XXX5-M IRU-XXX9-M
1 Brown +24 VDC +24 VDC +24 VDC +24 VDC
2 White T (+) or (B) NPN 1 NPN 1 Voltage Out
3 Blue DC Ground DC Ground DC Ground DC Ground
4 Black T(-) or (A) 4-20 mA Out 4-20 mA Out Analog Ground
5 Grey NPN trip NPN 2 NPN 2 Excitation
21
4
3
5
Dimensions
7
3.25”
82.55mm
1.63”
41.40mm
3.25”
82.55mm
2.60”
66.04mm
63.50mm
IRU-200x
2.50”
Liquid Tight
Strain Relief
3.10”
78.74mm
3/4” ø NPT
2” ø NPT
Threads
Threads
1.98”
50.29mm
129.03mm
3.05”
77.47mm
1.47”
37.34mm
183.13mm
5.08”
7.21”
3” ø NPT
Threads
3/4” ø NPT
Threads
7.76”
197.10mm
2.27”
57.66mm
5.63”
143.00mm
2.80”
71.12mm
3.00”
76.20mm
Connector
2” ø NPT
Threads
2” Sanitary
Fitting
Micro
IRU-242x, IRU-642x IRU-343x
4.54”
115.32mm
4.00”
101.60mm
3/4” ø NPT
Threads
6.10”
154.94mm
3/4” ø NPT
Threads
3.05”
77.47mm
3.97”
100.84mm
0.64”
2.50”
63.50mm
16.26mm
1” ø NPT
Threads
2.73”
63.34mm
2” ø NPT
Threads
0.68”
17.27mm
IRU-532x IRU-541x IRU-542x, IRU-942x
5.74”
145.80mm
3.61”
91.69mm
3.05”
77.47mm
General Care
8
Your level sensor is very low maintenance and will need little care as long as it was installed
correctly. However, in general, you should periodically inspect your IRU sensor to ensure the sensor
face is free of any buildup that might impede the function of the sensor. If sediment or other
foreign matter becomes trapped on the sensor face, detection errors can occur.
If you need to remove the sensor, be sure to store it in a dry place at a temperature between -40°
and 180° F.
Hazardous Location Wiring
10
Repair Information
9
If your IRU ultrasonic level sensor needs repair, contact us via email, phone, or online chat on our
website. We will issue you an RMA number with instructions.
• Phone: 888-525-7300
• Email: sales@apgsensors.com
• Online chat at www.apgsensors.com
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