EMX INDUSTRIES OWL Microwave Motion and Infrared Presence Sensor Instruction Manual

June 4, 2024
EMX INDUSTRIES

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence Sensor

Instruction Manual

The OWL is a vehicle motion and presence sensor that utilizes microwave and infrared technology to activate automatic doors and industrial gates. The OWL’s microwave sensor detects moving vehicles, while the infrared presence sensor can detect vehicles and pedestrians. The sensor features two relay outputs, one for vehicle motion detection, and the other for presence detection. The OWL features settings for fine-tuning the presence detection area, direction detection, hold time, and more.
The OWL-RC remote control is required for programming and servicing the OWL.

Cautions and Warnings

Install the OWL according to instructions from the door operator manufacturer. Comply with all applicable codes and safety regulations.
When drilling, ensure no damage can be caused in desired mounting location, e.g. hidden wires, waterlines, etc.

Specifications

Mounting Height 11.5-21.3 ft (3.5-6.5 m)
Supply Voltage 12-24 VDC/AC
Max Current Draw 150 mA @ 12 VDC
Operating Temperature -4 to 140ºF (-20 to 60ºC)
Operating Humidity Below 80%
Dimensions 9” (229 mm) x 5” (127 mm) x 5” (127 mm)
Connection 32 ft (10 m) 8 conductor cable directly from sensor
Weight 2.87 lbs (1.3 kg)
Environmental Rating IP65
Vertical Directionality 16-32º wall or ceiling mount
Horizontal Directionality ±10º
Microwave (Vehicle Motion) Infrared (Presence)
--- ---
Operating Frequency 24.150 GHz

Detection Range

| Depends on sensor height and housing angle

Max. Range: 23 ft (7 m)

Max. Width: 19.7 ft (6 m)

| Depends on sensor height and housing angle

Max. Range: 18 ft (5.5 m)

Max. Width: 26.2 ft (8 m)

Relay Output| NO or NC (adjustable)| NO or NC (adjustable)
Relay Contact Rating| Max. 48 VDC

Max. 300 mA

| Max. 48 VDC

Max. 300 mA

Relay Hold Time| Typ. 500 ms| Presence (30 sec to Infinite, adjustable)
Adjustable Tilt Angle| -10 to 25º|

Ordering Information

  • OWL          Vehicle Motion and Presence Sensor, includes 32 ft (10 m) of cable and two mounting screws
  • OWL-RC    Remote control, required for programming the OWL
Components and Indicators

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-1

OWL

  1. Indicator LEDs
  2. Hinge Screw
  3. Angle Indicator
  4. Mounting Bracket
  5. Right Infrared Array
  6. Microwave Tilt Adjustment Screw
  7. Left Infrared Array

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-2

OWL-RC

  1. Setting Select Buttons ( thru )
  2. Function Select Buttons ( thru )
  3. Command Buttons (

Installation

  1. Unscrew the Philips-head hinge screws from the left and right side. Remove the sensor from the mounting bracket.

  2. In the desired location, install the mounting bracket at a height between 11.5 and 21.3 ft (3.5 and 6.5 m). Drill 1/8” (3.5 mm) mounting holes as shown in the diagram and attach with the provided screws.EMX INDUSTRIES OWL Microwave Motion and Infrared Presence Sensor-3

  3. Re-attach the sensor to the mounting bracket using the Philips-head hinge screws from Step 1.
    Adjust to the desired angle, and tighten the hinge screws until snug.EMX
INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-4

  4. Wire the OWL to the door operator per the wiring table below.
    Wire Color| Description
    ---|---
    Red| Power input + (12 to 24 VDC/VAC)
    Black| Power input – (12 to 24 VDC/VAC)
    White| Presence relay
    Green| Presence relay
    Yellow| Vehicle motion relay
    Blue| Vehicle motion relay
    Gray| Do not connect
    Brown| Do not connect

  5. Apply power and allow 10 seconds for unit to stabilize. The green LED will be flashing during this time.
    Once stabilized (solid green LED), the sensor is operating, and the settings can now be configured. LED Indicators

    Green flashing| Sensor initialization
    Green on| Standby
    Red on| Presence output activated
    Red flashing| Vehicle motion output activated
    Yellow| Infrared sensor is detecting door

movement

Green/Red flashing| Internal sensor error

Vehicle Motion Detection

The OWL’s microwave sensor will only detect moving vehicles (cars, forklifts, etc.). When a moving vehicle is detected, it will activate the vehicle motion output relay. If the microwave sensor is detecting people, lower the microwave sensitivity.
The microwave sensor’s detection area may be changed by adjusting the angle of the sensor in the bracket, changing the tilt angle of the module inside the sensor, or configuring the microwave sensitivity setting ( ).
The microwave sensor can also be configured to ignore all cross traffic (vehicles moving parallel to the door) and departing vehicles (see Programmable Parameters on page 7).

Presence Detection

The OWL uses a pair of 6 x 5 infrared LED arrays to detect the presence of vehicles and people. When detection occurs, it will activate the presence output relay.
The presence output of the OWL is initially triggered by motion. The amount of motion required to trigger presence detection is controlled by the infrared sensitivity setting      ( ). The higher the setting,
the less motion required to activate the presence detection and output. Once triggered, the output will remain on until the object(s) being detected leave the detection area, or until the configurable presence timer has run out (at which time the presence sensor will relearn the environment).
The detection area can be changed by adjusting the angle of the sensor in the bracket, or by configuring the infrared LED array settings. The farthest rows of the infrared LED array may be turned off sequentially. The outside columns of the infrared LED array may be turned off in pairs on the left and right side of the array.
The OWL’s infrared presence sensor can be set to detect vehicles only, ignoring pedestrian traffic EMX INDUSTRIES OWL Microwave Motion and Infrared
Presence Sensor-22. The sensor can distinguish between the two based on the amount of light diffused.

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-5

Top-down example of an OWL installation, demonstrating how turning off columns and rows affects the infrared

Programming the OWL
  1. If a security code has been programmed on the sensor, then it must be entered before settings can be changed. Unlock the sensor by pressing the  button, then entering the four-digit security code, and press the enter button EMX INDUSTRIES OWL Microwave Motion and Infrared Presence Sensor-6

  2. To change a setting, point the end of the remote at the sensor, and press the button of the functionto be changed. The green LED on the front of the sensor will turn off, and other LEDs on the front ofthe sensor will turn on.

  3. Press one of the possible setting value options ( thru ). The green LED on the front of the sensor will flash the same number of times as the setting selected.
    TIP: Not all functions use  thru as a valid range of setting values. Please see page 7 for more information.

  4. Press the enter button ( ). The green LED on the front of the sensor will flash four times.
    TIP:  Make sure there are no vehicles in the presence detection area when saving a setting. The sensor’s infrared sensor relearns the environment when a setting is saved. If there is a vehicle in the presence detection area while it relearns the environment, then the presence output will lock on when the vehicle moves.EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-24

  5. Wait for the sensor to save the setting and relearn the environment. Programming is now finished.

Programmable Parameters

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-7

Default settings are bolded and colored in Direction Detection and Cross Traffic functions will not work if any IR rows or columns are turned off Left/Right columns are relative to the front of the sensor (see next page)

Additional Functions and Information

Details – IR Rows & Columns 

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-8

Reading Settings

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-25

Maintenance Mode

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-26

Security Code

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-27

Note: When unlocked, settings may be changed for 60 seconds. The timer stops while a setting is being configured. The timer extends for 60 more seconds after a setting has been entered.
Note: To reset or delete the security code, power cycle the unit. The unit will not require a security code for 60 seconds after power-up. Use the “Delete Security Code” function above, then set a new security code.

LED Indicators

While programming the sensor, the three indicator LEDs will turn on, off, or flash based on what function is being configured. Below is a table to show which functions correspond to the states of the three LEDs.

EMX INDUSTRIES OWL Microwave Motion and Infrared Presence
Sensor-13

Troubleshooting

Symptom Possible Cause Solution
No LEDs on No power or faulty power connection 1. Verify the voltage is

between 12-24 VDC or

12-24 VAC using a digital multimeter.

2.  Verify wires are terminated properly.
3.  If voltage is present and there are still no

LEDs on, the sensor is defective.

Door is detected| Sensor is angled toward

door

| 1.  Adjust the sensor housing away from the

door.

| 2.  Reduce  the  microwave  and/or  infrared

sensitivity settings.

| 3.  Adjust the microwave tilt angle.
Vibrations| Turn on Vibration Mode.
Remote control does not respond| Device is locked| Cycle power to the sensor. The sensor can now be

configured without a code for 60 seconds.

Batteries are low| Replace batteries with two AAA batteries (in cold weather, battery life can be reduced).
Person is mistaken for a vehicle| Microwave sensitivity is

set too high

| Lower the microwave sensitivity setting.
Sensor is mounted too low| Mount sensor higher, 11.5 to 21.3 ft (3.5 to 6.5 m)

from the ground.

Object is detected too late| Microwave or infrared

sensitivity is set too low

| Increase the microwave and/or infrared sensitivity setting.
Sensor aimed too low| Adjust the aim of the sensor
Infrared rows turned off| Change the infrared rows setting
False activation| Vibrations, water, metal, or non-stationary object in the sensor’s environment| 1.  Decrease the microwave and/or infrared

sensitivity setting.

2.  Remove the non-stationary object from the

detection area

Rain| 3. Install something to prevent rain from interfering with the sensor
Sensor not detecting| Sensor installed too high| Mount the sensor lower, 11.5 to 21.3 ft (3.5 to 6.5

m) from the ground.

Too cold| Sensor is not suitable for use in temperatures

below  -4ºF (-20ºC).

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.

EMX Industries, Inc.
OWL_Rev1.0_092220

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