GLX-RSS-2-100 GLX-RSS-2-300
Contents
1. GLX RSS 2 100 GLX RSS 2 300 Radar Speed Sensor User Manual Copyright 2011 Geolux d o o All rights reserved Starting Point Thank you for purchasing Geolux GLX RSS 2 radar sensor We have put together the experience of our engineers the domain knowledge of our customers the enthusiasm of our team and the manufacturing excellence to deliver this product to you You may freely rely on our field proven technology for collecting vehicle speed data The use of advanced signal processing algorithms ensures that Geolux Radar Speed Sensor can be used in any vehicle detection vehicle speed measurement road utilization measurement application Although we are certain that you are more than capable of connecting the Radar Speed Sensor to your system using a serial cable we have created this User Manual to assist you In setting up and using Geolux Radar Speed Sensor device Should there be any questions left unanswered please feel free to contact us directly Geolux 4 0 0 Ljudevita Gaja 62 10430 Samobor Croatia E mail geolux geolux hr Page 2 of 20 1 Introduction Geolux Radar Speed Sensor devices are used to detect distant moving objects and measure the speed of detected objects targets This functionality is achieved by transmitting an electromagnetic wave in 24 GHz frequency range K band and measuring the frequency shift of the reflected electromagnetic wave The frequency shift is caused by the D2. Page 12 of 20 Road statistics report counter receding 1D SWE Datad Datal Data Datad Datas Ps o Senso 6 607 count redCounter 0x07 The keyword sent on the beginning of each message This message is sent periodically every 15s The time period for accumulation is configured in the settings of the sensor count The timeslot counter rcdCounter Counter of the receding targets for the current time period 5 4 Servicing protocol The servicing protocol is used to retrieve and modify device operating parameters Various device settings such as unit system imperial or metric and the direction of detected vehicles approaching or receding or both are configured using this protocol Since all data protocols are on way both ASCII S and NMEA protocol only output the data they do not read incoming data the servicing protocol is always active To make radar configuration easy Geolux provides a Radar Configurator utility application Regular users do not need to be concerned about the servicing protocol used between the Radar Configurator utility and the radar device The Radar Configurator utility is described in the Chapter 8 The servicing protocol listens on RS 232 serial port for Incoming requests and on each received request it will answer back The following requests are recognized by the servicing protocol Change data protocol set proto nmea set proto ascii64 Sets the curr
3. The maximal detected target speed for all receding targets in the defined time period The road occupation percentage for the defined time period calculated as number of samplings with at least one valid receding detected target divided by the total number of samplings in the defined time period The temporary counter of all receding targets in the defined time period The check sum of the characters in the report from to excluding these characters Page 10 of 20 5 3 CAN protocol CAN interface Is using special protocol based on the standardized CAN message format All messages are sent with standard 11 bit ID and all messages have same ID that 15 configured as radar sensor CAN ID in the settings Protocol 15 message based and for each event separate message is sent The first byte of the message data Is always defining the type of the message content CAN protocol ts defining the following data messages Detected target report 10 Daal Data a o Senso 5 Oxi 0 01 The keyword sent the beginning of each message This message 15 sent for every detected valid target The direction of the detected target 1 approaching 1 receding The speed of the detected target speed is reported as speed 10 The detected level of the signal reflection for the target normalized to range from 1 to 255 mUD Targets count report D SIZE Datal
4. of the detected vehicle The speed is reported either in metric units km h or in imperial units mph depending on the radar device settings The speed reading is ASCII encoded The following line contains an example of the radar sensor output for an approaching target moving at 25 mph 025 lt 0x0D gt The target with same speed but receding will have output 025 lt 0x0D gt Page 8 of 20 5 2 NMEA protocol NMEA protocol is based on the standard protocol family widely used by the navigation equipment NMEA protocol is sentence oriented and is capable of sending multiple sentences with different information The sentence content is designated by the starting keyword which 15 different for each sentence type NMEA sentences are terminated with the checksum which makes this protocol extremely reliable While in NMEA mode the radar sensor device outputs any of the following data sentences Detected target report RDTGT D1 1 L1 D2 S2 L2 Dn Sn Ln CSUM lt CR gt lt LF gt SRDTGT The keyword sent the beginning of each detection report This sentence 15 sent whenever there is detected at least one valid target DI The direction of the first strongest target 1 approaching 1 receding SI The speed of the first detected target speed is reported as speed 10 LI The detected level of the signal reflection from the first target D2 The direction of the second detected target 1 approaching 1 receding 5
5. targets and the active target statistics info The Radar Configurator Utility displays its main window when started The main window 15 displayed in the Picture 2 Geolux Radar Configurator v1 3 Connect to radar Target statistics approaching Average speed Min speed speed Picture 2 Radar Configurator main window To connect the Radar Configurator utility with the speed radar device connect your PC to the speed radar using an RS 232 serial cable connection Then select the Connect to radar menu option in the Radar Configurator Utility and choose the appropriate COM port number The Radar Configurator will try to establish a data link between your PC and the radar sensor device After the data link is established the left part of the Radar Configurator utility will show the current device operating parameters as displayed on Picture 3 Please note that the Target statistics data will be valid only when NMEA protocol 15 used If ASCII S protocol is active then Target statistics fields will not be updated Geolux Radar Configurator v1 3 Connect to radar 98 Disconnect Change radar settings About Radar module info Detected vehicles graph Radar info Firmware version 2 2 0 i mph NMEA 20 Hz Both 150 mph 1 Stats accumulation period 15 min Target statistics approaching 46 100 mph speed 75 Road occupancy 48 Vehicle count 135 Target statis
6. 11 2011 09 22 FCC Part 15 Subpart 0 Slovenski institut zo in meroslovje Sliavenian institute of Quolity Me traicgy Porocilo o preskusu Test Report Nae 1251 0864 11 Datum Date A 2011 09 22 Proizvod Product Lister Pages Radar Speed Sensor 35 GLX R5S 2 200 Vrsta preskusa Test procidit EMC Naretaik Appticuw t merjencev items rested Geolux 6 0 0 Ljudevits 62 10430 Samobor Croatia 1 Proizvajalec Manufacturer Maga predmeta Snbleer file No Geolux Ljudevita 62 10430 Samobor Croatia 20111383 Bispos ns marks Trade Mark Kraj preskees Pisce af fest 10 lab Trpinteva ul 39 1009 Ljubljana SLOVENIA Standardi prodpisi Standards regulations Opemba Remark FCC Part 15 Subpart Zakijpetck Conctusion Prestusani proizvad ustreza rahievam navedenih standardov Tested product complies with the requirements of stafed standards Rezultai preskusov so vzorec The test relate only fo tested Oatum vzorca Date of recelpt af fast fam 2011 08 04 Datum izvedbe preskusov Date of performance of 2011 08 12 2011 09 09 Tami akrediliran ges Sloweraki Atrodilacss Reg 5 1 009 inhevatery is acceder by Slevestae Accreditation O
7. 2 The speed of the second detected target speed is reported as Speed 10 L2 The detected level of the signal reflection from the second target Dn The direction of the last detected target 1 approaching 1 receding Sn The speed of the last detected target speed is reported as Speed 10 Ln The detected level of the signal reflection from the last target CSUM The check sum of the characters in the report from to excluding these characters Targets count report RDCNT D S L aprCNT rcd CNT CSUM lt CR gt lt LF gt SRDCNT The keyword sent on the beginning of each counting report The counting report is sent whenever new valid target 15 detected D The direction for the new counted target 1 approaching 1 receding S The speed for the new counted target speed is reported as Speed 10 L The detection level for the new counter target aprCNT The cumulative counter for the approaching targets rcdCNT The cumulative counter for the receding targets CSUM The check sum of the characters in the report from to excluding these characters 1 In the radar sensor setting it is possible to select km h or mph for the speed reporting Page 9 of 20 Target statistics report GLX RSS 2 100 GLX RSS 2 300 User Manual RDSTA count avgSpeed minSpeed maxSpeed roadOCP tmpCNI CSUM lt CR gt lt LF gt RDSTA count avgSpeed minSpeed maxSpeed roadOCP tmpCNT CSUM The keyword sent on th
8. Data Data3 Data4 Data5 Data6 Data 8 O02 D S counter 0x02 The keyword sent on the beginning of each message This message is sent for every new detected valid target D The direction for the new counted target 1 approaching 1 receding 5 The speed for the new counted target speed is reported as Speed 10 counter The cumulative counter for the approaching or receding targets depending on the direction of the new detected target if 1 this will be cumulative counter for approaching targets if 1 this will be cumulative counter for receding targets Target statistics report approaching 1D SET Datal Data Data Datad Datas Datas Data Senso 8 003 count ms mas _ 0x03 The keyword sent on the beginning of each message This message is sent periodically every 15s The time period for accumulation is configured in the settings of the sensor count The timeslot counter avgS The average speed for all approaching targets in the defined time period Page 11 of 20 mins The minimal detected target speed for all approaching targets in the defined time period maxS The maximal detected target speed for all approaching targets in the defined time period Target statistics report receding 6 SET Datad Datal Data Data3 Datad Data5 Data Data Senso 8 004 count ags m mas 0x04 The keyword sent on the begi
9. a Place of fest y 510 EMC lab ul 39 1000 Ljubljana SLOVENIA Standardi predpisi Stardards regulations Opomba Remark EN 50293 2000 EN 61000 6 2 2005 EN 61000 6 4 2007 EN 61000 3 2 2006 A1 2009 A2 2009 EN 61000 3 3 2008 Zaklju ek Concivsion Preskusani proizvod ustreza zahtevam navedenih standardov Tested product complies with the requirements of stated standards Rezullali preskusov nana ajo samo presku an vzorec The les results relate only fo the tested Datum prispelja vzorca Dale of receip of test Nem 2011 08 04 Datum izvedbe preskusov Date of performance of 16315 2011 08 12 2011 09 12 labewatorij je akreditiran pri Slovenski Akreditaciji Reg St LP 009 Testing faboratory accredited by Slovenian Accredilation Reg Vodja podrotja Department Manager Marjan Mak 1 Slovenski institer caAghevost in mereilovje Slovenian Institute of Quality and Metrology cesia 2 57 1000 Ljubljana Slovenia i 386 01 4778 100 sf 286 0 4778 444 ve rip si razen cela mi deraliess This repart shall nat be reproduced except full SBS 772205 rdastssue 92 2011 08 18 of 20 Appendix FCC Test Report Summary Test performed by Test report No Date Standards SIQ Slovenian Institute of Quality and Metrology 7251 0864
10. ctor switch signal Alarm2 V Alarm 2 power supply Alarm2 SW Alarm 2 open collector switch signal Page 5 of 20 4 Data Interface Geolux Radar Speed Sensors offer multiple data interfaces in order to make the system integration of the radar sensor device easy In addition to RS 232 and RS 485 serial interfaces Geolux Radar Speed Sensors also have a CAN interface and additional Alarm GPIO pins 4 1 Serial RS 232 interface Serial RS 232 interface is used to send detected targets report as well as target detection statistics reports Additionally Radar Speed Sensor configuration is also performed through RS 232 interface Default communication parameters are Bitrates 57600 bps Data bits 8 Stop bits 1 Parity None The communication interface is using three wires located on the J5 connector of the module as described Table 3 Table 3 RS 232 interface pin descriptions Pin Direction Description Out RS232 Data transmit signal 52 RS232 Data receive signal GND Two communication protocols are available and more are possible upon the request Simple ASCII S protocol will report only the strongest target s speed and the more complex NMEA protocol will report multiple targets counting and statistics Detailed description of the communication protocols is given in the Chapter 5 of the User Manual 4 2 Serial RS 485 interface Serial RS 485 interface is used to send detect
11. detected target data Allowed values are 1Hz 2Hz 10Hz and 20Hz Vehicle direction Defines whether all targets are reported or only approaching or receding targets are reported Stats accumulation period The length of time interval during which accumulated Statistics are collected This parameter is only used with the NMEA protocol since ASCII S protocol does not send target statistics information Page 17 of 20 GLX RSS 2 100 GLX RSS 2 300 User Manual Appendix A EN Test Report Summary Test performed by Test report No Date Standards Odgovoren za presku anje Responsible for the test SIQ Slovenian Institute of Quality and Metrology 7 251 0760 11 2011 09 22 EN 50293 2000 EN 61000 6 2 2005 EN 61000 6 4 2007 EN 61000 5 2 2006 A1 2009 A2 2009 EN 61000 3 3 2008 et 2 7508 Slovenski institut za kakovost in meroslovje Slovenian Institute of Quality and Metrology Porocilo o preskusu Test Report 251 0760 11 Datum Date 2011 09 22 Praizvod Product Listoy Pages Radar Speed Sensor 35 GLX RSS 2 300 preskusa Ten procedure ENC Naro nik Applicant 5 4 merjences No of items tested Geolux 90 0 Ljudevita Gaja 62 10430 Samobor Croatia 1 Pretevajake Manwfocnirer Mapa predmeta Subject file No Geolux 6 0 0 Ljudevita Gaja 62 10430 Samobor Croatia 20111383 Blagovna znamka Trade Mark Kraj preskes
12. dgeveres za presku tanje Respowsiile for the fear Vadja Department Manager SX Marjan 2 Slavenski ia mweratieye Sleveatan Insite Quality and hfesralogy L 51 1000 Latine Slovenia 7 284 4778 f 328 01 4775 444 hyp Maw si 2 9 pee nee CO ie full 4005 Arsel ULSOT 1 08 Page 19 of 20 Appendix C Mechanical Assembly LL DF300 Radar Sensor Mont age 5 4x GLX RSS 2 100 GLX RSS 2 300 User Manual W NL to 1809 IO Gonnection Power Supply Gonnection Radar Sensor Pin Assignrrents SSSR NY amp gt 8 VOC to BVDO 85232 TxD R5232 RD Endosure mounting hole 4 x M5 CAN L RS485 D 1 Radar Module kE RS485 D Alarmi V Alarm SW Alarn2 V Alarng SW Page 20 of 20
13. e beginning of each statistics report for approaching targets direction The report is sent periodically and period is determined in the radar device settings All values are relative to the time period from the last sent report The timeslot counter The average speed for all approaching targets in the defined time period The minimal detected target speed for all approaching targets in the defined time period The maximal detected target speed for all approaching targets in the defined time period The road occupation percentage for the defined time period calculated as number of samplings with at least one valid approaching detected target divided by the total number of samplings in the defined time period The temporary counter of all approaching targets in the defined time period The check sum of the characters in the report from to excluding these characters RDSTR count avgSpeed minSpeed maxSpeed roadOCP tmpCNT CSUM lt CR gt lt LF gt RDSTR count avgSpeed minSpeed maxSpeed roadOCP tmpCNT CSUM The keyword sent on the beginning of each statistics report for receding targets direction The report is sent periodically and period is determined in the settings All values are relative to the time period from the last sent report The timeslot counter The average speed for all receding targets in the defined time period The minimal detected target speed for all receding targets in the defined time period
14. ed targets report as well as target detection statistics reports using the same data protocol that 15 used on RS 232 interface This interface is also capable for radar sensor configuration The RS 485 interface uses differential signals for communication so it 15 more convenient for the applications where distance from radar sensor to the controller that 15 collecting data from radar sensor 15 greater than 5m Page 6 of 20 Default communication parameters are Bitrates 57600 bps Data bits 8 Stop bits 1 Parity None Communication is done half duplex over one twisted pair communication line The radar sensor 15 using communication line as master device will send data to the communication line as targets are detected Same communication protocols that are available on the RS 232 interface are available on the RS 485 serial interface 4 3 CAN interface CAN interface is used to send events and statistics of all targets detected by the radar sensor Interface is implementing standard CAN2 0B message oriented communication with 11 bit standard ID for each message The ID for the messages can be configured in the configuration of the sensor Sensors can be connected to the CAN bus with other equipment or necessary more than one radar sensor with different ID can be connected to the single CAN bus Default communication speed is 500kbps but this also can be changed the configuration of the sensor 4 4 Alarm signals Ala
15. ent data protocol Default setting is ASCII S ascii64 Change units type set units mph set units kmh Sets the units type in which the target speed is reported Default setting is imperial units mph Page 13 of 20 Change output data frequency set out freq 20 set out freq 10 set out freq 2 set out freq 1 Changes the data output frequency allowed values are 20Hz 10Hz 2Hz and 1Hz Default setting is 20 Hz Change detected targets direction set direction in set direction out set direction both Changes the parameter that specifies which vehicles will be detected By default only approaching vehicles are detected in Change statistics accumulation period set stats period 15min set stats period 30min set stats period 1hr set stats period 2hr set stats period 6hr set stats period 12hr set stats period 24hr Changes the time period for collecting target statistics The collected target statistics are reported on NMEA protocol using RDSTA and RDSTR sentences Retrieve current device status get info Requests the current device status Here is an example status output firmware 2 1 0 pga gain 2 proto nmea units mph out freq 20 direction in stats period 30min Page 14 of 20 6 Radar Configurator Utility Geolux provides a user friendy PC application for configuring the Radar Sensor operating parameters Additionally the Radar Configurator Utility displays the currently detected
16. nning of each message This message is sent periodically every 15s The time period for accumulation is configured in the settings of the sensor count The timeslot counter avgS The average speed for all receding targets in the defined time period mins The minimal detected target speed for all receding targets in the defined time period maxs The maximal detected target speed for all receding targets in the defined time period Road statistics report occupation D SE Daa SensorD 4 0x05 count roadOCP A roadOCP R_ 0x05 The keyword sent on the beginning of each message This message is sent periodically every 15s The time period for accumulation is configured in the settings of the sensor count The timeslot counter roadOCP A road occupation percentage for the time period in approaching direction percentage of time when at least one target is detected roadOCP R road occupation percentage for the time period in receding direction percentage of time when at least one target is detected Road statistics report counter approaching 1D SIZE Datad Datal Data Datad Sensor 6 0x06 count 0x06 The keyword sent on the beginning of each message This message is sent periodically every 15s The time period for accumulation is configured in the settings of the sensor count The timeslot counter aprCounter Counter of the approaching targets for the current time period
17. oppler effect of the moving target on the electromagnetic wave As the relative speed between the radar sensor and the target increases the detected frequency shift also increases thus enabling the radar sensor to precisely determine the target speed Two different models are made available by Geolux GLX RSS 2 100 and GLX RSS 2 300 The only difference between these models is the transmission power of the radar antenna GLX RSS 2 100 model is a low power device with effective target detection range of up to 250 meters 800 ft GLX RSS 2 300 model uses a high power transmitter to yield effective target detection range of up to 500 meters 1600 ft The radar sensor is able to detect moving objects targets traveling at speeds ranging from 5 km h 3 mph to 400 km h 248 mph Detected targets are tracked by the radar sensor and the current speed detection level and direction are reported over the serial RS 232 or RS 485 interface or over the CAN 2 0B interface The radar sensor Is able to track multiple approaching and receding targets at the same time which makes this radar sensor an excellent choice for multi lane traffic monitoring Page 3 of 20 2 Electrical Characteristics The electrical characteristics of the Geolux Radar Sensor are given in the Table 1 Table 1 Electrical characteristics Parameter Communication interface RS 232 interface speed 115200 RS 485 interface speed 115200 CAN interface speed 1000 Radar Sensor F
18. requency Radiated power EIRP GLX RSS 2 100 20 Radiated power EIRP GLX RSS 2 300 29 Sensitivity 112 Beam width Azimuth Beam width 3dB Elevation Power supply voltage 14 0 Power dissipation Operational temperature range Page 4 of 20 GLX RSS 2 100 GLX RSS 2 300 User Manual 3 Connector Pin Out The Radar Speed Sensor uses three connectors as displayed on Picture 1 The Table 2 gives detailed description for each pin Vin VDC to BVDO RS232 TxD R amp 232 RD aD CAN H CAN L R3485 Dt RS485 D Alarm V Alarm SW Alarng V Alarng SW Picture 1 Radar Speed Sensor connectors Table 2 Connector pin out Pin name Pin Description The power supply for the Radar Speed Sensor is provided on this pin The Radar Speed Sensor power supply voltage must be in the range 9 VDC to 18 VDC and the power supply must be able to provide at last 0 65W GND This pin should be connected to the ground negative pole of the power supply RS232 TxD RS 232 data transmit signal RS232 RxD RS 232 data receive signal GND Signal ground CAN H CAN2 0B high signal CAN L CAN2 0B low signal RS485 D RS 485 data transmitter receiver high signal RS485 D RS 485 data transmitter receiver low signal 1 V Alarm 1 power supply Alarm SW Alarm 1 open colle
19. rm signals are used to indicate events to the collecting controller That signals can be configured to indicate various events and states Table 4 Alarm signals events Event Description Detected at least one valid target Approaching Target Detected at least one valid approaching target Receding Target Detected at least one valid receding target Speed over limit Detected at least one valid target with speed over the configured speed limit Speed under limit Speed of all detected targets is under the configured speed limit Approaching Speed under limit Speed of all approaching detected targets is under the configured speed limit Receding Speed over limit Detected at least one valid receding target with speed over the a configured speed limit Receding Speed under limit Speed of all receding detected targets is under the configured speed limit Page 7 of 20 Approaching Speed over limit Detected at least one valid approaching target with speed over the configured speed limit 5 Data Protocols Geolux GLX RSS 2 speed sensors support two different communication protocols that send the detected target data from the radar sensor device The user may select which data protocol will be used based on the system requirements The ASCII S protocol 15 very simple as it only outputs the detected speed for a single target only The more complex NMEA like protocol outputs the detected speed and signal power for all detec
20. ted targets and the NMEA protocol also reports various statistics such as detected target count calculated road occupancy and average target speed Support for additional protocols is available upon customer request Geolux GLS RSS 2 sensors also support a servicing protocol that allows the users to modify radar sensor device operating parameters 5 1 ASCII S protocol The ASCII S protocol has been designed with simple applications in mind It is minimal and straightforward ASCII S protocol provides only the direction and speed information for the single strongest detected target Radar device settings determine whether the radar detects only approaching targets only receding targets or both kind of targets The radar sensor device periodically outputs the target data The data output frequency depends on the current radar device setting and can be either 20 Hz 10 Hz 2 Hz or 1 Hz If there are no valid detected targets no data will be sent from the radar device ASCII S protocol periodically sends exactly 4 bytes of data plus additional lt 0x0D gt r carriage return character The first byte of data denotes the detected vehicle direction and can be either a minus sign a plus sign or a question mark sign The minus sign denotes receding targets the plus sign denotes approaching targets and the question mark sign denotes non directional targets The next three bytes of data indicate the speed
21. tics receeding Average speed 45 Min speed 9 speed 93 Road occupancy 60 Vehicle count 151 Picture 3 Radar Configurator main window connected to the radar sensor Page 15 of 20 The right part of the Radar Configurator utility window displays the targets detected by the radar sensor The targets are continuously updated as displayed in Picture 4 Blue dots indicate approaching targets while receding targets are indicated by orange dots Detected vehicles graph 10 5 25 150 mph 100 mph 50 mph mph Picture 4 Radar Detected targets window To change the current radar sensor device operating parameters simply click on the Change radar settings menu item A new window will open where you will be able to change the radar settings Picture 5 shows the radar settings window Advanced settings Speed units Data protocol Send frequency Vehicle direction Both Stats accumulation period 30 min Cned Picture 5 Radar settings window The following settings can be changed Speed units Choose between metric and imperial measuring units The target velocity data sent over data link is transformed into currently selected units type Page 16 of 20 Data protocol Select the data protocol that is used to send the detected targets information For detailed description of available protocols please refer to Chapter 7 Send frequency The frequency rate of sending
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