RADAR DEVELOPMENT KIT USER`S MANUAL
Contents
1. 16 Updating the RDK Firmware 17 Usage Without the GU M 19 POWER CIO a r TENET 19 Controlling Tae nadar LIBE Mane en E E E A EEE ee 19 the JUUT POLIUS 19 SIVERS 1 ere Tips for Reliable and Accurate 19 TG OS OO TIT T E OT 19 Abpendb T SB eee ee ene ee eee PIU EIDEM PUN IUNII 22 SIVERS oeo Rev A GENERAL PRODUCT INFORMATION Sivers IMA s Radar Development Kit RDK is intended for customers who want to either quickly evaluate the possibilities of FMCW radar or cost efficiently implement the features of FMCW radar sensors in their products The kit consists of a small case with a 24 GHz FMCW radar Sivers IMA RS3400K integrated antenna and a microprocessor board for controlling the radar and signal processing of the received echo signal for excellent accuracy and range resolution At the bottom there is a bracket suitable for a camera tripod The RDK comes bundled with a GUI that can be used for evaluating the radar and for configuring e g detection thresholds and distance Different applications usually require different settings Some typical applications are level measurements in tanks and security in the automation industry OPERATING CONDITIONS AND MAXIMUM RATINGS Table 1 Operatin2. SIVERS ii ooon Rev A RADAR DEVELOPMENT KIT USER S MANUAL SIVERS eese Rev A Radar Development Kit Important Notice Sivers IMAs SI provides the enclosed product s under the following conditions This kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by SI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products This evaluation kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies SI from all claims arising from the handling or use of the goods Due to the purpose of this product being used as an experimental platform it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE
3. Go online to learn about changing languages and regional formats Figure 14 Formats tab in the regional and language options If you don t want to change the regional settings as this will affect all applications and windows or the fist fix doesn t work there is a second fix Go to C Program Files SiversIMA RDKV Right click on SiversIMA RDK ini navigate to Open with and click on notepad 3 Addthe following on a new line at the end of the document see screenshot in Figure 15 useLocaleDecimalPt False Note that the rest of the text might differ from what is seen below Do not edit anything else 4 Save the file and close it 20 SIVERS oo FMCW RDK server app propertiesEnabled True server ole enabled True server tcp paranoid True server tcp serviceMame My Computer VI Server server vi callsEnabled True server vi propertiesEnabled True WebServer TcpAccess c4 WebServer ViAccess DebugServerEnabled False DebugServerWaitOnLaunchzFalse useLocaleDecimalPt False Figure 15 SiversIMA RDK ini content after adding the line at the end cannot install the software with the provided installer Make sure that your user account has permission to install software If you are unsure right click on Setup exe and click Run as administrator Also make sure that the file is not broken by downloading the installation package one more time If the problems persist contact Sivers IMA a
4. also see a peak at 1 meter similar to the graph in Figure 6 Note that the radar still sees the wall even if you have placed something in front of it e Move the object back and forth and see how the peak travels along the x axis In Figure 7 the object is positioned 2 3 m away and in Figure 8 2 9m from the radar Even if it is very close to the wall the radar can still distinguish it from the wall Note that the reflection from the wall now results in the highest peak Even though the wall is further away it has a larger area which now compensates for the slightly longer distance and its less reflective material BASIC SETTINGS 4 Load Load Set as Current Default Default General Detection at Power on Measure Distance Detection Minimum Peak Width Samples 3 Distance Offset 0 Thi Th2 Min Max Peak Power Calc dB dB AO0 Peak Value 1 80 70 1 8 AO PeakValue 2 8 70 1 8 DOO PeakValue 1 70 1 8 PeakValue 2 8 70 1 8 DOZ Value 80 70 1 8 DOS PeakValue 4 80 70 1 8 Figure 4 Settings used during the measurement 11 SIVERS enon Rev A Received Signal Threshold for A00 Power dB 1 I 04 06 08 1 12 14 16 1 8 2 22 24 26 28 3 3 2 34 36 3 8 4 42 44 46 48 5 52 54 56 5 8 6 62 64 66 68 7 7 2 74 76 78 Distance m Figure 5 The received echo signal with only the wall 4 6 m away Receive
5. Basic settings applied 07 34 54 Detection switched off Press the radar button to switch on again 07 34 55 Detection switched on Press Run to display the received signal and RU outputs Figure 9 The GUI in run mode with advanced settings shown 13 SIVERS emn Rev A CONFIGURING THE RADAR UNIT BASIC SETTINGS In the basic settings the user can change measurement methods and detections settings Depending on the application and range different settings are usually preferred Every parameters function and how it affects the detection are explained below Detection at Power on On OFF When switched to on detection is automatically turned on every time the radar is powered on Default is off which means that the detection has to be manually switched on with either the GUI or the digital input DI1 that controls this switch Even if the detection is turned off a single detection can still be triggered with DIO Measure Distance Speed Used for changing between measuring distance or speed Default is distance Minimum Peak Width Samples A peak can be defined by one local maximum and two local minimums If the number of points between the two minimums including the minimum points is less than the minimum peak width then the peak is rejected and basically considered as noise or clutter Default is 3 Peak Power Calculation Peak value Peak height Determines how the power or intensity of every classified p
6. EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES SI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive SI assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Manual and specifically any warnings and restrictions in the User s Manual prior to handling the product For additional information on 5175 environmental and or safety programs please contact Sivers IMA AB No license is granted under any patent right or other intellectual property right of SI covering or relating to any machine process or combination in which such SI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by SI to be a finished end product fit for general consumer use It generates uses and radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at
7. driver software manually SIVERS Select the Browse my computer for Driver software option File Action View e 0 c8 ac afterune gt 9 Computer gt Sg Disk drives gt Display adapters gt gf DVD CD ROM drives Human Interface Devices cx IDE ATA ATAPI controllers IEEE 1394 Bus host controllers Jungo X Keyboards Mice and other pointing devices gt Monitors gt Network adapters 4 5 Other devices j Arduino Due Prog Port gt Portable Devices gt n Processors b Sound video and game controllers eR ET E A DT er T gt Storage controllers gt ll System devices gt Universal Serial Bus controllers RK1001K 00 Rev A Navigate to the folder where the RDK Software package was downloaded and unzipped Locate and select the Drivers folder in the main folder not the FTDI USB Drivers sub directory Press OK and Next to proceed If you are prompted with a warning dialog about not passing Windows Logo testing click Continue Anyway onion e Windows will now take over the driver installation Windows has successfully updated your driver software Windows has finished installing the driver software for this device Arduino Due Programming Port M B 1 e You have installed
8. either express or implied is granted under any SI patent right copyright mask work right or other SI intellectual property right relating to any combination machine or process in which SI products or services are used Information published by SI regarding third party products or services does not constitute a license from SI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from SI under the patents or other intellectual property of SI Reproduction of SI information in SI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice SI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of SI products or services with statements different from or beyond the parameters stated by SI for that product or service voids all express and any implied warranties for the associated SI product or service and is an unfair and deceptive business practice SI is not responsible or liable for any such statements SI products are not authorized for use in safety critical applications such as life support where
9. for RCS 1 m mo m Detectable speed 25 Km h Total power consumption 1 W Radar cross section RCS is a measure of how detectable an object is with a radar A larger RCS indicates that an object is more easily detected For example a perfectly conducting sphere of projected cross sectional area 1 m i e diameter of 1 13 m will have an RCS of 1 m Operating Conditions and Maximum Ratings Parameter Min Max Unit Digital input voltage DIO DI1 V Digital input current DIO D11 9 mA Digital output voltage DOO 003 o 33 V Digital output current DOO DO3 BK mA Analog output voltage 00 AO1 2 2 V Analog output current 00 AO1 5 mA 12 V Power supply lo 12 V Operating temperature 70 ia Output power 5 15 dBm Antenna Characteristics Directivity Min 22 dBi Max 23 dBi 3dB beamwidth Min 8 5 deg 9 5 deg m Antenna Pattern at 24 75 GHz Orange Eplane Black H plane Sivers IMA AB Box 1274 5 164 29 Kista Sweden versima com ww siversim a com 23
10. his own expense will be required to take whatever measures may be required to correct this interference Mailing Address Sivers IMA AB Torshamnsgatan 9 SE 16440 Kista Sweden IMPORTANT NOTICE Sivers IMAs Incorporated and its subsidiaries SI reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to SI s terms and conditions of sale supplied at the time of order acknowledgment SIVERS emn Rev A SI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with 5175 standard warranty Testing and other quality control techniques are used to the extent SI deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed SI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using SI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards SI does not warrant or represent that any license
11. increasing frequency When the highest frequency is reached the sweep restarts at the lowest frequency The type triangular is a sweep of first linearly increasing frequency and then linearly decreasing frequency The sweep then restarts with an increasing frequency STORING THE CONFIGURATION When clicking apply the settings are written to the Radar Unit and immediately applied in the detection but the settings will not be permanent unless they are stored in the flash memory of the Radar Unit Every time the Radar Unit is rebooted it will load with some default settings If the user wants to make the currently used settings permanent and always loaded as default at startup the button Set as default have to be clicked The basic settings and advanced settings are separated and can be both changed and stored individually The basic default settings can be loaded to the panel by clicking on the Load default icon but they are not applied until apply is pressed For the advanced settings the settings cannot be loaded without applying them at the same time SWITCHING DETECTION BETWEEN ON AND OFF The button at the top left in the menu bar see Figure 9 switches the detection between on Figure 11a and off Figure 11b By switching the detection to on the Run and Run Once will be enabled and the user can display the received echo signal and the voltages of the output ports EE gt s a b Figure 11 Switch butto
12. should say that the Radar Unit is connected If it says that it is not connected check the connection and make sure that both USB and 12 V are plugged in If the application still cannot find the Radar Unit check that the drivers are installed and eventually redo the steps in the drivers installation section SIVERS 590109 Rev A D 3 4 SIVERS WZ Run Once Save Graph Firmware Help About BASIC SETTINGS RECEIVED SIGNAL A amp D OUTPUTS ri RECEIVED POWER Auto Scale Y Analog CY 110 0 Load Load Set as Current Default Default General Detection at Power on Off ADVANCED SETTINGS Measure Distance Power dB Detection Minimum Peak Width Samples 3 DOO Digital 0 Distance Offset m 1 0 Distance 1 Th2 Min Max Peak Power Calc dB dB m m THRESHOLD FOR Auto Scale Y B AO0 PeakValue 90 60 1 110 Received Signal Ne AO1 PeakValue 1 Threshold for AOO DOO PeakValue w 1 DO1 Peak Value DO2 Peak Value Power dB DO3 Peak Value 1 I 1 1 I 4 4 5 5 5 5 6 Distance m 07 27 25 Searching for connected device 07 27 26 Radar Unit is connected Press the radar button to switch on the detection Then press Run to display the received signal and RU outputs 07 27 30 Detection switched on Press Run to display the received signal and RU outputs Figure 3 RDK screen at startup STEP BY STEP GUIDE TO A BASIC MEASUREMENT A step by
13. step guide for measuring the distance to an object at different positions in a room is presented Performing the measurement is a good idea for a user who wants to validate the functionality and performance of the kit or just wants to test the kit before digging in to all the details e Position the Radar Unit on e g a tripod so that the Radar Unit is at least gt meter above a table or ground It is important that there is nothing above or below close to the radar Make sure that the radar is pointing at a wall about 4 5 meters away and that there are no objects between Even though the antenna has a narrow lobe the radar can still catch objects outside the main beam e Start the GUI The screen at startup should look like in Figure 3 If it says that the Radar Unit is not connected check the connection and that the drivers are installed e Detection is switched and off with the button at the top left If detection is off switch it to on The icon changes to a radar with a transmitted and reflected wave e Use the settings shown in Figure 4 and press apply e Press in the menu bar The graph should now look similar to Figure 5 where it is very clear that the wall is located 3 4 m away Find some object with a metal surface and whose height and width is about 10 20 cm Place the object about 1 meter in front of the Radar Unit at the same height and look at the graph You should now 10 SIVERS i i 81001000 Rev A
14. the driver on your computer In the Device Manager you should now see a port listing similar to Arduino Due Programming Port COM19 The number next to COM may differ in your installation SIVERS oo Rev A cerz ES Device Manager File Action View Help wg H cz e 2 45 a gay afterune p JE Computer b Disk drives gt lik Display adapters 8 DVD CD ROM drives b Human Interface Devices b gg IDE ATA ATAPI controllers gt IEEE 1394 Bus host controllers EF Jungo p Keyboards b A Mice and other pointing devices b Monitors b Network adapters b Portable Devices Y Ports COM amp LPT Mi Arduino Due Programming Port 19 b n Processors b 4 Sound video and game controllers b lt gt Storage controllers b gill System devices Universal Serial Bus controllers GUI INSTALLATION The graphical user interface software that is used for configuring the Radar Unit and testing the radar in real time is included in the RDK software package downloadable from Sivers IMA s webpage Click on Setup exe in the GUI folder and follow the instructions After the install is ready there is a folder named Sivers IMA RDK on the start menu or in the apps section on Windows 8 Press on RDK GUI to start the application If the drivers were correctly installed the screen at startup should look like in Figure 3 and the status bar at the bottom
15. a failure of the SI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agree that they are solely responsible for all legal regulatory and safety related requirements concerning their products and any use of SI products in such safety critical applications notwithstanding any applications related information or support that may be provided by SI Further Buyers must fully indemnify SI and its representatives against any damages arising out of the use of SI products in such safety critical applications SI products are neither designed nor intended for use in military aerospace applications or environments Buyers acknowledge and agree that any such use of SI products which SI has not designated as military grade is solely at the Buyer s risk and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use SI products are neither designed nor intended for use in automotive applications or environments Buyers acknowledge and agree that if they use any non designated products in automotive applications SI will not be responsible for any failure to meet such requirements The Radar Development Kit is not classified for outdoor use Us
16. at pictures a radar and is positioned in the menu bar at the top left If detection is switched on the Run and Run Once buttons will be enabled By pressing run the received signal can be seen in the panel with the graphs received power vs either distance or speed To the right is the panel with the Radar Unit output values For the analog outputs both the voltages and distances to the objects that triggered the outputs are shown For the digital outputs voltages are replaced with either high 3 3V or low OV SIVERS UZ Stop Run Once Save Graph Firmware Help About ADVANCED SETTINGS BASIC SETTINGS RECEIVED SIGNAL A amp D OUTPUTS ri n 4 RECEIVED POWER Auto Scale y amp 6 110 0 Load Apply Set as Load Load Set as Current Default Default Current Default Default Center Frequency GHz General 24 75 Detection at Power Off Frequency Span GHz 15 Measure 222 Distance 1 28 Power dB Frequency Sweep Points 512 Detection Frequency Sweep time ms Minimum Peak Width Samples 75 3 ue 243 Digital Number of Sweeps Distance Offset m 1 0 001 448 Sweep Thi Th2 Max THRESHOLD FOR m v Peak Power Calc dB dB m m 110 2 Peak Value 100 85 1 Received Signal 0 PeakValue 85 1 Threshold for A00 AV Peak Value 85 1 Peak Value 85 Peak Value 85 Power dB Peak Value Distance m 07 34 22
17. changed by a user that has good knowledge of radar technology The Radar Unit is delivered with frequency settings that are in compliance with the regulations for the 24 GHz 24 24 25 GHz ISM band defined by ITU R Individual countries use of the band may differ due to variations in national radio regulations If the user changes the frequency settings the user is solely responsible for compliance with all legal and regulatory requirements and Sivers IMA has no responsibility whatsoever Center Frequency GHz The center frequency of the swept frequency band Default is 24 125 GHz Frequency Span GHz The width of the swept frequency band The range resolution of the radar is inversely proportional to the frequency span Default is 0 25 GHz 15 SIVERS s1201n10 Rev A Frequency Sweep points The frequency sweep is stepped with a uniform set of discrete frequency points This value can only be a power of 2 and the default is 512 Frequency Sweep time ms Sets the total time for a complete sweep This time should be chosen long enough to allow a sufficient time at each frequency point The default is 75 ms Number of Frequency Sweeps Defines the number of frequency sweeps to be performed when triggered The measurement of the IF signal is averaged over the number of sweeps The default is 1 Sweep Type Sawtooth Triangular Defines the type of sweep to be performed The type sawtooth is a sweep of linearly
18. d Signal Threshold for AOO Power dB 1 I 1 04 06 08 1 12 14 16 1 8 2 22 24 26 28 3 3 2 34 36 38 4 42 44 46 48 5 52 54 5 6 5 8 6 62 64 66 68 7 72 74 76 78 Distance Received Signal N Threshold for AO0 Power dB 1 0 4 0 6 0 8 1 1 2 14 16 18 2 22 24 26 28 3 32 34 36 3 8 4 42 44 46 48 5 52 54 56 58 6 62 64 66 68 7 72 74 76 78 Distance Received Signal Threshold for AOO Power dB 1 04 06 08 1 12 14 16 1 8 2 22 24 26 28 3 3 2 34 36 38 4 42 44 46 48 E 52 54 56 5 8 6 62 64 66 68 7 7 2 74 76 78 Distance m Figure 8 The object 2 9m away and the wall is still detected 12 SIVERS emoe Rev A With the Graphical User Interface GUI the user can configure the Radar Unit e g detection thresholds and detection range window and monitor the received signal and values of the Radar Unit outputs Radar parameters such as frequency bandwidth and sweep time can also be configured OVERVIEW A screenshot of the GUI during Run mode is shown in Figure 9 The GUI is built up of a menu bar a status bar at the bottom and four different subpanels advanced settings hidden as default basic settings received signal and A amp D outputs The advanced settings are hidden as default and should only be changed by a user that has good knowledge of radar technology The basic settings are for changing measurement and detection settings Detection can be switched on or off with the button th
19. eak is calculated If switched to Peak Value only the absolute value at the peak position is registered and compared to the threshold Peak Height means that the value between the peak maximum and the two local minimums surrounding it is compared to a threshold value The difference between the two methods is illustrated in Figure 10 where the peak value is equal to PO and the peak height is equal to dP1 dP2 2 Different thresholds have to be used for the different methods The peak width method can be used with benefit if the user has little knowledge of the noise characteristic or the path loss of the signal because only the peaks that stand out from the noise are detected The drawback with this method is that false detections may occur when noise peaks arise due to surrounding notches Default is Peak Value ind PO Received Signal Threshold for AQO 95 gp 85 ag T5 70 55 50 Power dB 0 5 O75 1 1 25 1 5 1 75 229 85 LP 3 3 25 3 5 3 78 4 4 25 45 475 5 Distance Figure 10 Illustration of peak power calculations Peak value is equal to PO and the peak height is equal to dP1 dP2 2 14 SIVERS neenon Rev A Distance offset m A distance offset can be added to the measured distance Both negative and positives values are accepted Default is O PN Here the user can set which peak number Pn inside the detection range that should be analyzed a
20. ers that use the product outdoors or in wet environments do so at their own risk Sivers IMA takes no responsibility or gives any compensation for damages resulting from outdoor usage or from contact with water SIVERS rese Rev A CONTENTS Generalo 1 1 Operating Conditions and Maximum 85 1 Em 2 mMeludedin tne nr ey NP 2 2 Connecung the Radar BEL 2 3 VODO mE 4 2 6 DAVO IVS EAN Gt ON 6 UT 9 Step by Step Guide a Basic 10 erased 13 gal e 13 COIS the Radar me 14 Dasic E EE E 14 5 15 E E 16 Switching Detection Between On and lt 9 7 16 Displaying the Received Signal and Radar Unit
21. g conditions and maximum ratings Parameter Min Max Unit Digital input voltage DIO DI1 55 V Digital input current DIO DI1 e o mA Digital output voltage DOO DO3 V Digital output current DOO DO3 n mA Analog output voltage AO1 3 V Analog output current AO1 ai mA 12 V Power supply i V Operating temperature ae C Output power EIRP 25 dBm The Radar Unit is enclosed in a tightly sealed housing making it suitable for outdoor use for short periods of time However note that the product is not classified for outdoor use Hence users that use the product outdoors or in wet environments do so at their own risk Sivers IMA takes no responsibility or gives any compensation for damages resulting from outdoor usage or from contact with water SIVERS ono Rev A GETTING STARTED INCLUDED IN THE PACKAGE e Radar Unit e USB cable e Power adapter Figure 1 Radar Unit USB cable and power adapter At the bottom is a bracket suitable for a camera tripod HARDWARE CONNECTING THE RADAR UNIT The back of the Radar Unit with the back cover removed is shown in Figure 2 At the top is a 12 terminal block for accessing the digital and analog input and output ports The terminals are numbered from 1 to 12 At the bottom there are two USB ports USB2 is used for communicating with a PC and for firmware updates USB1 port is reserved for future use The
22. g shown in Figure 12 Current Firmware Version Identify Firmware Update File bin C Downloads Firmware update cpp bin DI Progress Bar Status Figure 12 Firmware update dialog window Browse to the firmware file and press update You will get a dialog box prompting for you to select the correct communication port see Figure 13 If you are unsure of which port is the correct one go to the device manager as described in the drivers installation section and check which port the Arduino due programming port has been assigned Note that the same port USB2 is used for updating the firmware and communicating with the radar unit 05 1 is reserved for future use 17 SIVERS 590109 Rev A Connect the USB2 port to the computer and choose firmware programming port below Cancel Figure 13 Dialog box for selecting communication port for the firmware update 18 SIVERS rese Rev A USAGE WITHOUT THE GUI When the user has configured and tested the kit with the GUI it will normally want to deploy the Radar Unit somewhere for real world measurement or detection of objects In this case only a 12V power supply is needed POWER REQUIREMENTS e 12 V power supply Power consumption 1W CONTROLLING THE RADAR UNIT The radar detection is controlled with the two digital input ports pin 2 and pin 3 Detection can be turned on or off with pin 2 The Rada
23. n for switching detection between on a and off b DISPLAYING THE RECEIVED SIGNAL AND RADAR UNIT OUTPUTS When detection is switched on the run buttons will be enabled By pressing Run on the menu bar the GUI starts collecting information from the Radar Unit and the received echo signal and output values are updated in 16 SIVERS ee Rev A real time All the settings can be changed on the fly even when in run mode By pressing stop the GUI stops collecting information If the user wishes to only trigger a single measurement the Run Once button can be pressed In the received signal panel there are two graphs The upper graph shows the received echo signal for the combined detection range of all the outputs In the lower graph the displayed range can be changed by choosing an output The graph will only be plotted for the range of the chosen output and the threshold for the same output will also be displayed If an object is detected the corresponding peak will be marked with a blue cursor In the A amp D outputs panel the values of the Radar Unit outputs are displayed If an output goes high or outputs an analog voltage the distance or speed to the object that triggered the signal is also shown UPDATING THE RDK FIRMWARE When new firmware updates are released they will be available on the homepage for downloading Software Link To update the firmware press the firmware icon on the menu bar to open the firmware dialo
24. nd compared to the threshold The peaks are numbered from highest peak to lowest peak and in this case the peak intensity is calculated as the peak value i e the absolute value at the peak position This function is useful if the user knows that there is some clutter very close that results in a high peak and should be rejected Also different peak numbers for the different outputs can be used if multiple objects are to be detected within the same detection range Default is 1 Th1 and Th2 dB The threshold used for detection of peaks is defined by two points Th1 and Th2 Th1 is the threshold in dB at the minimum distance in the detection range and Th2 is the threshold at the maximum distance For every other distance between the endpoints the threshold is linearly interpolated Due to path loss the received power decreases with distance and thus it is usually recommended to have a threshold with a negative slope Default is a threshold from 90 dB Th1 to 60 dB Th2 Min and Max m or km h The detection range is defined by a min and max value When a detected object triggers the analog output the voltage will be proportional to the difference between the distance or speed and the min value i e for e g distance Anal tput V 3 3 V mmm alog outpu Mi If nothing is detected in the range the output is O Default detection range is 1 to 10 ADVANCED SETTINGS The advanced settings are hidden as default and should only be
25. nd provide us with the error information We will help you with getting it installed 21 SIVERS non Rev A APPENDIX 1 RDK DATA SHEET WE Radar Development Kit SIVERS 11 gt 6 Features 24 GHz ISM band 22 dBi internal antenna USB interface 12 V power Programmable analog and digital connections Description Sivers IMA s Radar Development Kit RDK is intended for customers who want to either quickly evaluate the possibilities of FMCW radar or cost efficiently implement the features of FMCW radar sensors in their prod ucts The kit consists of a small case with a 24 GHz FMCW radar Sivers IMA RS3400K and a microprocessor board for controlling the radar and signal processing of the received echo signal for excellent accuracy and range resolution The RDK comes bundled with a GUI that can be used for evaluating the radar and for configuring e g detection thresholds and distance Different applications usually require different settings Some typical applications are level measurements in tanks and security in the automation industry Sivers IMA AB Tel 46 8 703 68 00 Box 1274 Fax 46 8 751 92 71 SE 164 29 Kista info siversima com Sweden www siversima com 22 SIVERS 1 roe Radar Development Kit A Specifications Parameter Min Max Unit FMCW center frequency 24 25 5 GHz FMCW frequency span 1 5 GHz Update rate D i 10 Hz Detectable distance
26. on mark like in the figure on page 6 then the drivers have not been correctly installed and you should redo the steps in the drivers installation section If you have done everything above and still have problems try rebooting the Radar Unit and the GUI A good idea is also to reboot your computer if you have not done that after installation of the drivers The displayed values in the graphs and output values are not the same that have configured or displayed correctly If you are using other regional and language settings than English there might be some issues with displaying the correct values especially when a decimal separator is used One method is to just change the regional and language format to English SIVERS 590109 Rev A 1 Open the Control Panel icons view in Windows 7 or Windows 8 and click tap on the Region and Language Windows 7 or Region Windows 8 icon 2 Under the Formats tab select English United States from the Format drop down menu see screenshot in Figure 14 below 4 Region and Language Formats Keyboards and Languages Administrative Format English United States Date and time formats Short date M d yyyy Long date dddd MMMM dd yyyy Short time h mm tt Long time h mm ss tt First day of week Sunday What does the notation mean Examples Short date 3 2 2011 Long date Wednesday March 02 2011 Short time 1 01 PM Long time 1 01 53 PM Additional setti
27. r Unit registers an event at the rising edge of the signal Triggering this pin will always make a transition to the opposite state from on to off and vice versa This switch can also be changed with the GUI If detection is turned off a single measurement can be triggered with pin 3 and the outputs will stay constant until the next trigger or if detection is turned on USING THE OUTPUT PORTS The digital outputs can be used for digital control If distance or level measurements are carried out the analog outputs should be used Note that each pin can provide a maximum output current of 15 mA For more information about configuring the ports see the GUI section TIPS FOR RELIABLE AND ACCURATE MEASUREMENTS e Position the radar so that no objects including the ground and ceiling are close to the radar unless of course these are the objects you want to measure TROUBLESHOOTING The GUI says that the Radar Unit is not connected but have connected it to my computer Make sure that you have connected the USB cable to USB 2 not USB 1 on the Radar Unit and that the 12 V power supply has been plugged in Also make sure that the drivers have been correctly installed Click on the Start Menu and open the Control Panel Navigate to System and Security Click on System and open the Device Manager Look for the listing named Ports COM amp LPT You should see an open port named Arduino Due Prog Port If there is an exclamati
28. re is also a connector for the 12 V power supply For evaluation and configuration of the Radar Unit with the GUI the 12V power supply has to be plugged in and a USB cable has to be connected between the USB 2 port and a computer Using the Radar Unit standalone without a computer only requires the 12 V power supply If the user wishes to turn the radar on off or trigger a single measurement more on this in the next section on O Ports 3 3 V signals are required on the digital inputs SIVERS 590109 Rev A MOUNTING THE RDK The radar unit can be mounted to a camera tripod or other surface or bracket using one or two threaded connections using either 20 nuts camera tripod standard or nuts and screws EITHER TYPE OF NUT CAN BE INSERTED IN EITHER SLOT FOR TRIPOD OR OTHER MOUNTING INSERT MOUNTING SCREW THROUGH HOLES RK1001K 00 Rev A The Radar Unit contains two digital input ports 3 3V four digital output ports 3 3 V and two analog outputs ports 0 V to 3 3 The purpose of the ports is to use them for e g switching different relays and for distance and level measurements in real time Every output port has its own configuration for detection or distance speed measurement The user can configure an output so that only objects within a certain distance speed window and with an echo that exceeds a user defined threshold will trigger the output If an object is detected and satisfies
29. t is proportional 3 3 V 15 mA the distance speed to the detected object 11 VIN External Power Supply Can be used as 12 V 420 mA separate 12 V supply to the Radar Unit 12 GND Ground SIVERS 5 SOFTWARE DRIVERS INSTALLATION This instruction is valid for Windows 7 and Windows 8 operating systems Windows should initiate its driver installation process once the board is plugged in but it won t be able to find the driver on its own You ll have to tell it where the driver is e Download the RDK Software package from Sivers IMA s webpage Software Link e Unzip the RDK Software package e Click on the Start Menu and open the Control Panel e Navigate to System and Security Click on System and open the Device Manager Look for the listing named Ports amp LPT You should see an open port named Arduino Due Prog Port e Right click on the Arduino Due Prog Port and choose Update Driver Software File Action View Help ia Jl Update Driver Software Arduino Due Prog Port AD dip How do you want to search for driver software Search automatically for updated driver software Windows will search your computer and the Internet for the latest driver software far your device unless you ve disabled this feature in your device installation settings Browse my computer for driver software Locate and install
30. the conditions set by the user the analog output voltage is equal to SIVERS sees Rev A Anal tout V Distance Min 33V 3 nalog outpu Max Min where Min and Max are the boundaries of the detection range window If nothing is detected the output is 0 For speed measurements the distance is replaced with measured speed For a digital output port the output will go high if an object is detected The input ports are for triggering a single measurement and switching detection on or off The functionality of each port is described in Table 2 More detailed information about their functionality is found in the GUI software section Each output pin can provide a maximum current of 15 mA Table 2 1 0 Pin Name Function Max Max Output Current number Input Output Max Current sink Voltage Digital input for triggering a single 3 3V 9 mA measurement at the rising edge g 3 DI1 Digital input for turning the radar on off at 3 3 V 9 mA the rising edge Digital output that turns high if an object is 3 3 V 15 mA detected I 5 DO1 Digital output that turns high if an object is 3 3 V 15 mA detected 6 DO2 Digital output that turns high if an object is 3 3 V 15 mA detected 7 DO3 Digital output that turns high if an object is 3 3 V 15 mA detected 8 AOO Analog output voltage that is proportional 3 3 V 15 mA the distance speed to the detected object 9 AO1 Analog output voltage tha
Download Pdf Manuals
Related Search