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OmniPreSense OPS242 User Manual

Short range radar sensor
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OPS242 User Manual
OmniPreSense OPS242 short range radar sensor has an easy to use API to control the output of the sensor.
Simple commands can be used to configure the operation and output information provided by the sensor.
Default settings are noted below. Upon powering on the module, the default settings are used.
Installation Instructions
The OPS242 provides a complete radar module on a single board. The coverage area or field of view (FOV)
for the OPS242 is 76 in the azimuth (horizontal) and elevation (vertical). Install the OPS242 facing the
direction of the FOV to be covered.
Figure 1. OPS242 Beamwidth
The OPS242 can generally can be placed behind most any material (plastic, glass, wood, etc.) depending
on thickness. Typical applications will use plastics such as ABS or PVC at 3 or 6mm thickness. Some
materials will block the signal and the OPS242 should not be placed behind these. Examples of these are
metal, concrete or brick.
OPS-UM-001-C User Manual
OmniPreSense Corporation
1

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Summary of Contents for OmniPreSense OPS242

  • Page 1 OPS242 User Manual OmniPreSense OPS242 short range radar sensor has an easy to use API to control the output of the sensor. Simple commands can be used to configure the operation and output information provided by the sensor. Default settings are noted below. Upon powering on the module, the default settings are used.

  • Page 2: Terminal Control

    To begin using the OmniPreSense module, first download Tera Terminal or PuTTY onto your PC/Mac. With the OmniPreSense sensor plugged into the USB port of your PC/Mac, start Tera Terminal or PuTTY. A configuration window such as in Figure 2 or Figure 3 will appear. TeraTerm can detect the active COM port (greyed out to right of Serial button if TCP/IP is selected).
  • Page 3 Figure 4. Streaming Data with Tera Term Figure 5. Streaming Data with PuTTY OPS-UM-001-C User Manual OmniPreSense Corporation...

  • Page 4: Default Settings

    0.030 0.068 10,000 31.1 69.5 0.061 0.136 20,000 62.2 139.1 0.121 0.272 50,000 155.4 347.7 0.304 0.679 100,000 310.8 695.4 0.608 1.358 * 1024 buffer size, 512 buffer size accuracy will be twice these values OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 5 API Commands The following are the API commands supported by the OPS242-A. These commands can be sent by typing into the command terminal to change settings on the module or control its operation. The commands provided include simple queries to fetch information about the sensor and it settings or write commands which control or change the operation of the sensor.
  • Page 6 1024 samples are collected before processing S< 512 buffer size Write 512 samples are collected before processing 512 Buffer 1024 Buffer 1,000 5,000 10,000 20,000 50,000 100,000 Sampling Rate Figure 6. Buffer Size versus Accuracy OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 7 Command Name Value Frequency Setting Write T=0 is the default setting for 24.125GHz. n = - 2, -1, 0, 1, or 2 ?F returns the output frequency of the Frequency Output Read transmitter in GHz. OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 8 For example, 137.429, Time Report Write 3.6 is read as 137 seconds and 429 milliseconds with a speed of 3.6 m/s. If magnitude is turned on, the data is provided as time, magnitude, speed. OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 9 During the sleep time the orange LED will be on. For settings longer than 1 second, the RF will be powered off to save power. In this manner, lower power operation may be achieved. OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 10 Debug Modes – provides debug information about the module. Command Name Value DR/Dr Red LED Write DR to turn on red LED, Dr to turn off. DY/Dy Yellow LED Write DY to turn on yellow LED, Dy to turn off. OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 11 L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radio électrique subi, même si le brouillage est susceptible d'en comprom-ettre le fonctionnement. OPS-UM-001-C User Manual OmniPreSense Corporation...
  • Page 12 Non-modification Statement OmniPresense Corporation has not approved any changes or modifications to this device by the user. Any changes or modifications could void the user’s authority to operate the equipment. The final product containing the modular transmitter must be labeled with the following statement: “Contains FCC ID: 2ALLL242A”...
  • Page 13 Revision History Version Date Description July 9, 2018 Initial release. August 10, 2018 FCC language added. August 27, 2018 Correction to frequency channels. OPS-UM-001-C User Manual OmniPreSense Corporation...