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OPS-UM-001-C User Manual 

OmniPreSense Corporation 

 

Terminal Control 

A  simple  Command  Terminal  can  be  used  to  control  the  sensor  operation  with  the  API  commands.  
Examples of simple but very useful Command Terminals are 

Tera Terminal

 and 

PuTTY

.  Both are free, open 

source terminal tools for the PC/Mac which can easily connect to a serial port and accept data over USB 
from the OminPreSense sensor. 

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).  Select the Serial button and press OK.  For 

PuTTY, you’ll need to know which COM port is used, set its value, select the Serial button, and Open. 

 

   

Figure 2. Tera Term Startup Menu 

 

Figure 3. PuTTY Startup Menu 

Once connected, the data reported by the sensor will start streaming to the terminal when an object in 
motion appears.  The default settings are shown in Table 1.  If there is no object moving in front of the 
module, no data is reported or streamed to the terminal.  A simple wave of the hand will show data like 
that shown in Figure 4.  Any of the API commands can now be executed to change the output data or 
query the configuration. 

Summary of Contents for OPS242

Page 1: ...ions 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 facin...

Page 2: ...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 Select the Serial button and press...

Page 3: ...OPS UM 001 C User Manual OmniPreSense Corporation 3 Figure 4 Streaming Data with Tera Term Figure 5 Streaming Data with PuTTY...

Page 4: ...Output Or Off Speed Report OS On Time Report Ot Off Module Power PA Active Operating Range The maximum speed reported is determined by the Sampling Frequency For slow moving objects a sample rate of...

Page 5: ...ber returns sensor model number consisting of OmniPreSense ACPI vendor ID and part number Command Name R W Value P Sensor Part Number Read Product OMPS242A Firmware Version returns current firmware ve...

Page 6: ...rted The buffer size influences the report rate and accuracy A buffer size of 512 will have a report rate between 5 30Hz The accuracy becomes worse by a factor of two with a 512 buffer size versus 102...

Page 7: ...orts outbound direction R Clear Direction Control Write Reports both directions Frequency Control use this setting to set the desired transmit frequency Set n to a positive or negative number between...

Page 8: ...te Turn the LEDs on OL or off Ol Turning off the LED s can save approximately 10mA of current consumption On Number Reports Write Define how many reports to provide n is a number between 1 and 9 The n...

Page 9: ...powered down for further power savings PP Single Shot Mode Write Use this mode to capture and process a single buffer of data The module will stay in PP mode until either a PA or PI command is given...

Page 10: ...umbers are least sensitive Command Name R W Value QI Squelch Control 100 Write Highest sensitivity setting QV Squelch Control 500 Write QX Squelch Control 1 000 Write QL Squelch Control 5 000 Write QC...

Page 11: ...cian for help FCC 15C Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must...

Page 12: ...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 tran...

Page 13: ...M 001 C User Manual OmniPreSense Corporation 13 Revision History Version Date Description A July 9 2018 Initial release B August 10 2018 FCC language added C August 27 2018 Correction to frequency cha...

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