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1. ie 4tn Table 5 Structure of a RS485 CAN frame Byte Index Description S Corntent___ 7 _ byte0 CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 9 of 14 July 20 2012 MII smartmicro SMART MICROWAVE SENSORS GMB 5 SmartFrame Diagnostic Software This section describes the basic usage of the SmartFrame application for displaying recording as well as replaying radar sensor data This version of the software supports RS485 adaptors A CAN version is available upon request supporting Vector and Softing CAN adaptors 5 1 Prerequisites Prior to working with sensor data the radar sensor needs to be connected to the PC via a RS485 converter We suggest using the lindy RS485 to USB converter www lindy com but any converter compatible with Windows should work Connection of the 000300 data and power cable e the female Binder connector of the cable is connected to the male Binder connector of the sensor e the D SUB9 connector labeled RS485 is connected to the RS485 converter e the red and black banana plugs are connected to a 7 32 V DC power supply A photo of the cable can be seen in section 3 1 Figure2. H A Akkus eB rv Anschl sse waa amp kl ni CN Figure 6 Windows Device Manager Start the SmartFrame application and load the settings file desktop file appropriate for using a RS485 adaptor Click on File gt Load Desktop and then navigate to the main directory of the application see above and double click on the airborne_RS485 dsk file Then click on the settings button of the CAN via RS485 adaptor in the HW Monitor window Figure 7 Figure 7 HW Monitor Window A settings window opens Enter the COM port number found in the Device Manager and click on Set Figure 8 E CAN Channels Channel NrOffset 0 Fl Sending messages Interval between repeti 700 Nr of repetitions 5 El Serial Port Baudrate Baud 230400 COMPort le Baudrate Baudrate of serial COM port Figure 8 CAN via RS485 Settings CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 11 of 14 July 20 2012 il Finally the hardware has to be re initialized with the new settings Click on the reinit button of the CAN via RS485 adaptor in the HW Monitor window Figure 9 HW Monitor Coe fa E no video r semings on B cani 2
3. 4 Connection of the RS485 converter e the RS485 converter is plugged into a spare USB port e If the RS485 converter is connected for the first time a found new hardware window may appear Follow instructions in that window and insert the CD that came with the adaptor if prompted to do so Installing the SmartFrame application e Install the software on a WinXP Vista or Win7 based computer with the Setup_SmartFrame_Diagnostic_V058_Airborne_REG exe e Start the software e A registration window appears o send the registration request code to info smartmicro de o Copy the received regNG dat file into the main directory of the SmartFrame application or enter the received registration access code and click REGISTER The main directory of the application is set to C Program Files SmartFrame_Diagnostic_V058 by default 5 2 Final steps Open the Windows Device Manager to find out the COM port of the newly installed RS485 adaptor Figure 6 CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 10 of 14 July 20 2012 smartmicro SMART MICROWAVE SENSORS GMBH Gerdte Manager i Datei Aktion Ansicht o gt Ei Bele P RE ie
4. of 14 July 20 2012 I smartmicro 4 Software Interface All data communication with the Micro Radar Altimeter is handled through CAN frames If the sensor is connected via RS485 the CAN frames are embedded into RS485 messages Please note that in the CAN version of the sensor RS485 result transmission is disabled and in the RS485 version of the sensor CAN result transmission is disabled 4 1 CAN Data Description The default CAN settings use a data rate of 500 kBaud and CAN identifier ID 0x750 for altimeter result transmission Data format is Motorola Big Endian Payload length is 8 bytes See Table 3 for a description of the 0x750 altimeter CAN message payload Table 3 CAN message 0x750 payload format From To Resolution Offset Content byte 0 bitO byte2 bit7 0 01 lO __ altitude m byte 3 bitO byte 5 bit 7 0x800000 vertical speed m s byte 6 bitO byte6 bitO f altitude valid 1 means valid byte 6 bit 1 byte 6 bt5 error flags bit set to 1 means error byte 6 bit6 byte7 bit7 unused O Z The Micro Radar Altimeter transmits other CAN messages as well which are intended for diagnostic purposes and can be viewed using the SmartFrame program Therefore it is not safe to assume that every CAN message contains altitude data the CAN identifier must be regarded 4 2 RS485 Message Structure The RS485 interface of the UMRR sensor has a predefined speed of 115200 b
5. sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 14 of 14 July 20 2012
6. 30400 A ao Eo Figure 9 HW Monitor reinit 5 3 Using the SmartFrame application The SmartFrame application features a number of sub windows nine of which are displayed by default see Figure 10 Figure 10 The SmartFrame application Window 1 is the controller window which is used to control the operating mode of the mM SmartFrame application The operating mode can be either replaying recording including monitoring both replaying and recording or idle Window 2 is the hardware monitor window The status of any supported piece of hardware is represented by a small colored rectangle Green means OK orange indicates that no data is being received and red means that the hardware has been disconnected Window 3 is the command window used to send commands to the sensor CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 12 of 14 July 20 2012 smartmicro ART MICROWAVE SENSORS GMB Window 4 is the firmware upload window It can be used to transfer new firmware to the sensor For historical reasons it is named SMSDownload Window 5 is the vide
7. 8 and the CAN 1 status rectangle turns green in the hardware monitor window To stop the monitoring mode click on the stop button marked by a black square This switches the application back to idle mode 5 3 3 Recording sensor output When in monitoring mode enter a file name by clicking on one of the blue floppy disk symbols in the record tab of the controller window Then click on the button marked by a red circle to start recording To stop recording click on the stop once This switches the application back to monitoring mode 5 3 4 Replaying sensor output Make sure the monitoring mode has been stopped and then open the replay tab of the controller window by clicking on Replay Load a sensor data file by clicking on the uppermost yellow folder symbol and then navigating to the sensor data file If a video file has been recorded as well it is loaded automatically Loading a set of files also works by navigating to the video file the lowermost one but only if video data were recorded CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 13 of 14 July 20 2012 sma rtmicro OWAVE SENSORS GMB Once the data files have been loaded playback can
8. ar sensor 2 1 Mounting Position For optimal performance the antenna of the radar should be parallel to the surface of the earth during normal flight The antenna is located directly behind the black radome so the black surface should always be facing down see Figure 1 Radar sensor with a aon Figure 1 Orientation of the radar sensor The rotation of the sensor with respect to the yaw axis of the aircraft does not matter The cable outlet of the housing may be pointing into the direction of flight or any other direction as long as the radome is facing down The sensor may be mounted behind flat plastics surfaces e g inside the fuselage if this surface contains no carbon or metal 2 2 Clear Zone In front of the antenna a clear zone of 150 should be kept free of large or moving reflecting objects see Figure 2 Propellers should ideally have no direct line of sight to the radar or be visible at an angle beyond 90 Radar sensor with radome Clear zone 3dB beam width of the antenna Figure 2 Clear zone CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page3 of 14 July 20 2012 MI SMART MICROWAVE SENSORS GMBH 2 3 Power Su
9. aud s Data format is 1 start bit 8 data bits no parity 1 stop bit Each RS485 message begins with a start sequence of 4 bytes followed by an arbitrary number of CAN frames followed by an XOR checksum and an end sequence For an overview of the RS485 message structure see Table 4 Each CAN frame transmitted via RS485 consists of the CAN identifier the payload length and the payload itself see Table 5 The payload format is identical to the messages transmitted via CAN and can be seen in Table 3 Please note that byte 0 of the CAN message is always transmitted last The checksum is calculated on all data except the start sequence and the end sequence The Checksum is a simple XOR Assignment of all n data bytes Byte0 XOR Bytel XOR Byte2 XOR Byte n 1 CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 8 of 14 July 20 2012 gt lt smartmicro If shielded cables are used and the cable length is limited to 5m like the smartmicro CABLE 000300 checking the checksum is optional because transmission errors are very unlikely Table 4 RS485 message structure Byte Index Fixed Value 4 4 1 0 2 3 40 ae ae 0 3 4
10. be controlled by the replay buttons see Figure 11 faster Controller Sh Replay Record slower play run through file as fast as possible Figure 11 replay buttons 5 3 5 Exporting sensor output CSV files can be created from recorded sensor output At first record sensor output as described in section 5 3 3 Then check the Altimeter sensor in the sensor list of the CSV Export window as well as the Export active checkbox Afterwards switch to the replay tab of the controller window and open a sensor output file recorded before Click on the run to end replay as fast as possible button to perform the data export Don t forget to uncheck the Export active checkbox once all data has been processed The resulting csv file is stored in the same folder as the recorded sensor output and also named the same except the csv file name extension An additional txt file is created with the same name which contains the column headers of the data 5 3 6 Uploading new firmware Start monitoring mode and then select the new firmware file by clicking choose file in the View_SMSDownload window and then navigating to the appropriate file Click start download to start the firmware update process After the upload has finished Download successful can be read above the progress bar CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the
11. ble 1 for a pin out of the sensor connector Table 1 Sensor connector pin out and conductor properties Pin Function Wirecolor _ d RS485L EE 2 Gourd HOO P CAN H 6 notconnected CEMA 7 7V 32V_____ SESSA 8 motconnected White n c A female counterpart socket has to be used to connect to the sensor The pin numbering of the female connector is shown in Figure 1 Figure 3 View on solder cup side of socket rear view of female counterpart to be connected to sensor The most common way of connecting the Micro Radar Altimeter is through our 000300 cable It offers both CAN and RS485 connectivity and is equipped with banana plugs for power supply 3 1 Cable 000300 Figure 4 shows a 000300 cable connected to a Micro Radar Altimeter The red and black banana plugs are connected to a 7 32 V DC power supply If your sensor is configured for RS485 output the DSUB 9 socket labeled RS485 is connected to a RS485 serial port of your choice e g Lindy USB Serial RS485 converter If your sensor is configured for CAN output the DSUB 9 socket labeled CAN is connected to a CAN adaptor The Binder plug is connected to the Binder socket of the sensor For a complete pin out of the 000300 cable see Table 2 CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to thir
12. ccuseeceneececeececuecneuscueuesnearsuearsusansess 10 S PCU SS accra ccarctcsrcts en ereers aarp ieratee ais ara ven aserea atta ciea ee ana E daa 10 PNM SCS ai ereeete tae tacts taco E E O 10 5 3 Using the SmartFrame application ccccccccsecseceseceecesecseeeeeseeeseeseeeseeseeesesseensenass 12 5 3 1 Restoring application default settings cccececceeseeeeeeeeeeeeeeeseeeeseteesaeeeeseneeees 13 5 3 2 Viewing sensor output monitoring mode cccecceceeseceeeeeeeeeeeeeeeeeseeeeseeeeseees 13 5 3 RECOMING SCNSOF OUTPUT iis ossiasannsisenervaosesdneindwsansnctienennediiasnaaieiainendenannuepiane 13 5 3 4 Replaying sensor OUTPUL ccccceceeeeseeeeeeeeeeeeeeeeeeeeeeeaeeeseeaeeuseeaeeutetaneenenanentes 13 39 EXPONGO SENSOr OULU sereeriireriia anie E E E A E N 14 5 3 6 Uploading new fIrMware ccccsscccsscccnsccecsecccsecnenscuenrcnearsuearsuecuseeceneesenesesuess 14 CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 2 of 14 July 20 2012 Hl a smartmicro SMART MICROWAVE SENSORS GMBH 2 Getting started Thank you for purchasing a smartmicro Micro Radar Altimeter This section describes the first steps necessary to successfully use our rad
13. d parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 5 of 14 July 20 2012 EN E smartmicro SMART MICROWAVE SENSORS GMBH Cable 000300 Figure 4 CABLE 000300 Table 2 CABLE 000300 pin out 1 RS485 L 1 2 Ground 3 5 black 3 RS485 H 2 4 CAN L 2 120Q 5 CAN H 7 7 7 32V red 3 2 Direct PCB connection If the integrated light version of the Micro Radar Altimeter is used the customer cable can be directly soldered to the printed circuit board of the UMRR if no connector is used The pin out of the solder pads can be seen in Figure 5 CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 6 of 14 July 20 2012 Ji Cel Wh smartmicro SMART MICROWAVE SENSORS GMBH Figure 5 Pin out of the pads at the UMRR circuit board CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 7
14. i wy ZI i smartmicro SMART MICROWAVE SENSORS GMBH Project Documentation Micro Radar Altimeter User Manual Project Number SMS Project Number Project Title Micro Radar Altimeter Keyword s Micro Radar Altimeter User Manual Date July 20 2012 Document Micro_Radar_Altimeter_User_Manual docx CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 1 of 14 July 20 2012 J smartmicro 1 Contents E COMON Ln nee ee ee eee ee ee ee ee ee 2 2 Getting SEAS ac rcsracinsce ap scarce stesntanan scansemsewaianaaadgndunsnuntats saerseanuetanal aaeeemenaianasadeensase 3 21 MOUNUNG POSION ose ceciedecdsacicbeactoacenetciontedeaagacededsone E 3 P CE AOE E E 3 2S POW SUP DI reenn A A AEE 4 ZA OUE E EE EO EE E E AE E 4 Ao LNO SUPO ornoa E ee ee 4 3 PAYS INAC ooa a E R E E 5 Bh Cale 000 500 iraire E E EDE E EEEN O AE O OEE AO 5 ee DEC PCB CONME CUO orenean A E R 6 a DORNA NOA E ea E N ate eaibawenaea tates 8 At CAN Data DescriptiOlN osuere uasai iE EEE een ee eee eee 8 4 2 RS485 Message Structure cccscccsccscceseesccnsnesececnesececnesecesuesscnsnenscrsneseersnessarseensarss 8 5 SmartFrame Diagnostic Software ccsccscsscscsresccrsn
15. o window If video hardware is connected it can be used to view the video stream which is being recorded or replayed Window 6 is the data oscilloscope window It plots the measured altitude over the time Window 7 displays any CAN message received from the sensor DSP Window 8 is the sensor status window It displays the CAN output of the sensor intended for the end user Window 9 is the CSV export window It can be used to export sensor data into a format compatible with Matlab or Excel 5 3 1 Restoring application default settings Program settings are stored in desktop files To restore the SmartFrame default settings click on File gt Load Desktop and then navigate to the application directory The application directory contains a file named airborne_RS485 dsk click on it and then on open Do not forget to set the correct COM port afterwards see section 5 2 5 3 2 Viewing sensor output monitoring mode To view the sensor output the monitoring mode is used Before entering the monitoring mode replay of any sensor data should be stopped To stop the replay mode switch to the replay tab of the controller window by clicking on Replay then click on the stop button marked with a black square Afterwards switch to the record tab by clicking on Record The monitoring mode can be started by clicking on the M button If the sensor is connected correctly sensor data are now displayed in windows 6 through
16. pply Valid supply voltages for the radar sensor are between 7 and 32 V DC If the radar sensor is of revision OAx702 see label at the back of the sensor or earlier the voltage rise time should be 15 ms or below corresponding to a voltage slew rate of 500 V s Otherwise the internal voltage supervisor may trigger disabling the sensor until powered off Newer sensors also feature a voltage supervisor but it disarms once the supply voltage is valid and Stable 2 4 Quick Start If you plan to use a computer to view and record sensor data and also have bought our 000300 cable you may skip directly to section 5 and follow the instructions there 2 5 Linux Support Sample C code that reads the serial data stream from the sensor and extracts height information is available It is contained on the CD accompanying the sensor and also can be obtained from airborne smartmicro de CONFIDENTIAL AND PROPRIETARY The Information contained in this document shall remain the sole exclusive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing Micro_Radar_Altimeter_User_Manual docx Page 4 of 14 July 20 2012 sma rtmIcro OWAVE SENSORS GMBH 3 Physical Interface The Micro Radar Altimeter sensor is equipped with an 8 pin male plug circular connector Binder GmbH Germany series 712 waterproof IP67 See Ta
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