Installation and User Manual
Contents
1. HOSTO SS300 Installation and User Manual K Band Doppler Speed Sensor Built Type SS300 DFT SS300 OPF Rev 5 11 December 2009 d S a e e a e e e e e ME e e SS300 in Weatherproof Enclosure SS300 Open Frame Version SS300 OPF SS300 DFT Houston Radar LLC 13814 Sherburn Manor Dr Cypress TX Http www Houston Radar com Email sales Houston Radar com Contact 1 888 602 3111 Houston Radar SS300 User Manual HOUSTON RADAR This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Any modification or use other than specified in this manual will strictly void the certification to operate the device This device carries FCC modular approval and as such is labeled with FCC ID TIASS300 If this label is not visible when the module is installed inside another device then the outside of the device into which the module is installed must also display a label referring to the enclosed SS300 module This exterior label can use wording such as the following Contains Transmitter Module FCC ID TIASS300 or Contains FCC ID2. TIASS300 Any similar wording that expresses the same meaning may be used Page 2 of 19 Houston Radar SS300 User Manual G HousToN Warning SS300 OPF radar is supplied in an open frame format with exposed antenna and electronics and thus is a static sensitive device Please use static precautions when handling Warranty does not cover damage caused by inadequate ESD procedures and practices Note Specifications may change without notice Note Not liable for typographical errors or omissions Page 3 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Table Of Contents INTRODUCTION ccccccccccccsssssssssscccscccssscccssssccsscccssscccsssscssscsssssccssssscsssccsssccossssccssesees 5 INSTALLATION cissecsssscsesssccdssacessesesscocdseaccessdecsbscdecactasssecubbodees s dessecutacascusbesesseceasdeeecsoeddies 5 NTON NO e ss cest oss seearesecesct oss ences ce festensaceaee ver T E R eeeeciensannnnsseteseed 5 DIRECTION POINTING 2 ccc iccsssvecensscecsccessune ces sscvesenevedeotsgessssentenetes sususevievedensbnnussdonseescessans 6 RECOMMENDED ENCLOSURE FOR THE SS300 OPEF cccccccccccccesssescccccccsceseessscesscesseeseenees 6 TA OO UP eao E snes tenes sec stdeeaeeh cases cs eeaecavcbeses ctsedeomduisens ebuueseaesbesees 7 Power Inp t menise E ET lecteur eaten aE 7 Serial COomnech On canlen ins N a aa a 7 Measured Speed Output enoasseins irie EER E E A RE i i Eai 7 Setting Detection Sensitivity
3. and adjusts load brightness via PWM Full darkness 5 duty cycle Full brightness 100 PWM PWM Frequency is 240Hz Bit 1 Set IO 1 Active high Clear IO 1 active low Bit 2 to 7 Reserved Bit 8 IO 2 PWM Enable for brightness control Radars reads the ambient light sensor connected to the IO Break out board and adjusts load brightness via PWM Full darkness 5 duty cycle Full brightness 100 PWM PWM Frequency is 240Hz Bit 9 Set IO 2 Active high Clear IO 2 active low Bit 10 to 15 Reserved Page 12 of 19 Houston Radar SS300 User Manual G HOUSTON Setting Variables in the Radar l 2 IONI S a 10 Install the Houston Radar Advanced Stats Analyzer Windows program on a Windows 2000 XP or Vista computer Connect the radar RS232 port to the PC s RS232 serial port If the PC does not have a serial port you may buy a USB serial converter dongle from BestBuy Radioshack or any Internet store Power up the radar Ensure the green LED on the front flashes at a 1 3Hz 1 6 duty cycle rate Start the Houston Radar Stats Analyzer program Click on Start gt Connect to Radar Click on Connect button Ensure you see a Radar found on COM message The COM will depend on your computer Click on OK Now you are ready to configure the radar To configure the LO SP amp HI limits click on Radar Limits menu bar item The three fields show the current values of the three va
4. interface while an incoming vehicle is tracked Connect radar to PC RS232 serial port and use provided Windows configuration software to program the high speed limit HI variable The radar de asserts the trigger outputs above this limit If you do not wish an upper detection limit set this value to 159 This will ensure that the upper limit is never reached regardless if the units are set to MPH or KPH Set the LO variable to set the lower detection speed limit The outputs will be de asserted for vehicles below this speed limit The lowest value this may be set is 3 MPH SKPH gogogaga Green LED flashes at 1 3 Hz 1 6 duty cycle rate when radar is running giving a visual OK signal In the SS300 OPF version green LED may be installed on the back depending on the requested build option Page 10 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Internal Clock The radar has a built in clock calendar function At the moment this is not used by the firmware However future functionality may be added that uses this functionality The radar does not feature a clock backup battery So power must remain connected to the radar for the clock to keep time At the moment time is not used for any feature Configuring the Unit The unit s internal parameters may be configured by connecting the radar s RS232 port to a PC s RS232 serial port and using the Houston Radar Advanced Stats
5. state of the art 24GHz K band microwave Doppler radar is specifically designed for the license free battery operated speed measurement and monitoring market Utilizing high performance ultra low power DSP Digital Signal Processing technology and microwave components based on a planar patch array antenna with integrated low power PHEMT oscillator you will find that this high quality product meets your exacting standards for performance and reliability Some of the highlights of this product include vY Best in class low power usage of only 9 mA at 12VDC 0 1 Watt v Unprecedented small size to allow incorporation into virtually any location v Advanced DSP based algorithm yields consistent performance and speed detection v Typically 90 m 300 feet of pickup distance for incoming vehicles on open and level road Two trigger outputs Each output is capable of sinking 130 mA and is activated upon vehicle detection Radar internal software is upgradeable in the field via RS232 PC interface Optional rotary thumbwheel switch input allows changes to speed threshold All radar configuration parameters can be set by user via RS232 serial port Extensive built in self test lt ye INSTALLATION Mounting SS300 OPF is supplied in an open frame format It requires a weatherproof enclosure before it may be used outdoors Alternatively it may be mounted as a component in another product that already has a weatherproof enclosure The S
6. via the ASCII Interface cccccccccscccccccsssccesessseeeseesteeseesens amp WIRE SIGNAL DESCRIPTIONS cccccccccccccssssssssecccccccesessceeccccsceeuususceeccescseessuuesececessseuseenens 9 MSE sscacecavcsesstaccussecsdaseccsacsedceccxvncestsvaccecudesssiecssacackesecscucdevascastieawousseseesiseuvsvoustsvacctestadvsnceutss 10 TCT CLOCK ccc cate eva acta ce ceca ose E ETNEN da AB Os es Il Configuring the OIL oostos te bch ayd nlc bandas een od cid aT lec a rah E eines cea ase Il Setting Variables in the RAAT iisocc cs vtupiiuinttepdasaxsnseuralantenainieniIGunciupinastmeseunvanecniareenions 13 SS300 SPECIFICATIONS cccccsssscsssssssssscsscsscccccsccsscsccssssccscscscssccssssccessssssscccsscssees 15 GENERA seece accu ceca ssceyece ounce A teres ace besa savdeei ct cuss paevesee ute sacwousee ease anes sieeeceeie 15 APPROVA ES e A exuceshidaueswvsbenecesMeuboessbivpachivaabewuvs Gewtesetelec aby 15 DATA INTERFACES cccccccccccccsssssssccccccccccesssscccscccesseususcccesescssseusussesecesceseueeuusseceseeseuuenaes 15 MECHA NICAL D uenea A TA AEA 15 PERFORMA NOE orenian E NOA 16 APPENDIX A HOOKING UP TO THE TRIGGER OUTPUTS ON THE RADAR EE IEEE EAE AA EEEE EATE AE E E EET AEAEE 17 APPENDIX B OPTIONAL BREAKOUT IO BOARD CONNECTIONS 18 Page 4 of 19 Houston Radar SS300 User Manual HOUSTON RADAR INTRODUCTION Congratulations on your purchase of the Houston Radar directional Doppler Speed Sensor SS300 This
7. Analyzer program s configuration screen as described here The following internal variables may be set Their functions are described below Radar Description Configuration Variable Name RS Sets the RS232 serial port s baud rate and output format Do not change this value unless you understand implications UN Sets the internal speed units of the radar All LO SP HI SI speeds are interpreted to be in this units 0 MPH 1 KPH LO Low speed cutoff Vehicles are not detected below this speed Minimum value is 2 Should be set to be less than HI Speeds above this limit trigger the O P1 and O P2 outputs and sends ASCH speeds Note If the Rotary switch is enabled See MO bitmask then the actual Cutoff speed LO Rotary Switch Setting SI HI High speed cutoff Vehicles are not detected above this speed Maximum value is 159 Should be set higher than LO speed SP Flashing speed limit Any speed higher than this value flashes the trigger output at 50 duty cycle To flash the ASCII speed 000 are interspersed in the nnn speed output on the serial port Set to HI value to never flash the speed output ST Target detection sensitivity Valid values are from 10 to 99 and are a percentage of max range So a value of 50 would yield about 150 feet detection Note This is not a range setting but detection sensitivity Thus if large vehicles are being detected at 400 feet a value o
8. I interface These are described in greater detail in our ASCII interface application note Please contact Houston Radar for this document Page 8 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Wire Signal Descriptions Connector Signal Direction Description Pin Name wrt Radar 1 GND PWR Radar GND battery terminal 2 N C N C Do not connect 3 1 00 T O Reserved for future use 4 VOl I O Reserved for future use 5 1 02 T O Reserved for future use 6 1 03 I O Reserved for future use 7 Trig O P 1 Output Open Drain Output 1 See Note 1 8 Trig O P 2 Output Open Drain Output 2 See Note 1 9 RS232 TX Output RS232 Transmit Signal from radar 10 RS232 RX Input RS232 Receive Signal into radar 11 VCC PWR 8 7 to 18VDC Power Supply 12 GND PWR Radar GND battery terminal Note 1 See Appendix A for detailed description on how to hookup an external device to be triggered when radar detects incoming objects Incorrect hookup may result in the output devices being destroyed and will not be covered under warranty The SS300 features TWO low impedance outputs that can trigger turn on an external display device to bring it out of power saving mode when a vehicle is detected Both outputs are under radar software control and the typical functionality is to turn both on together when a vehicle is detected However if you need different function
9. S300 OPF should be mounted such that the connector points left or right as shown in the picture on the front page The SS300 DFT is supplied in a weatherproof encapsulated enclosure with a pigtail connection This unit may be mounted outside without any further protection from the environment The SS300 DFT should be mounted such that the text Houston Radar on the face of the unit is horizontal The unit may be rotated 90degrees from the suggested optimal mounting However in this case the detection range may be reduced by about 25 Page 5 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Direction Pointing The SS00 is directional in nature It rejects traffic moving away from it and only measures oncoming traffic If you require the unit to detect outgoing traffic please contact Houston Radar for a firmware update For optimal performance v Radar should be mounted as suggested in the section titled Mounting earlier v Radar should be pointed into the direction of the oncoming traffic v Radar should be placed along the size of the road to minimize the angle of the oncoming traffic to the radar o If radar cannot be placed right along the side of the road it should be pointed at least 100 150 feet up the road into oncoming traffic v The radar may pickup rotating fans Avoid pointing it at fans or compressors v Radar should be mounted at least 3 feet high from the road for optimal performance and a
10. T Molex C Grid SL female 12 pin mate to above approx 33 grams 1 16 oz 2 1 x1 75 x0 6 LxWxD 52 x 46 x 16mm SS300 OPF Side via right angle connector SS300 DFT Encapsulated cable from back Four 2 56 standoff s embedded on module Specifications continued on next page Page 15 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Performance Resolution 0 1 mph internal rounded to whole mph kph when output over Serial port Accuracy 0 5 of reading 0 1mph Detection Range Typically 90 m 300 feet for compact vehicles on open and level road with radar mounted 1 5 m 5 feet high and pointed straight into oncoming traffic 150 m 500 feet for larger trucks lorries and vehicles with inherently large radar cross section May vary with installation and road conditions Detection range specified is typical for speeds between 20kph and 88kph 12 to 55 mph It tapers off below and above this speed range At the low end of the speed range 2mph Skph the detection range is about 34 m 110 feet SS300 is not recommended for roads with speeds above 90 kph 56 mph due to reduced range and tracking time Contact factory for a different radar version if you need to detect vehicles outside said speed range Page 16 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Appendix A Hooking up to the trigger outputs on the radar The SS300 radar features two open drain ou
11. a low power usage Competing products may consume up to 20 times more power This ultra low operational power translates directly into a longer battery life or gives you an option to power the unit from smaller batteries and smaller solar panels Note The radar employs aggressive power saving measures that include turning off parts of the circuit that are not being used at any instant To get a true measure of the power usage of the circuit use a multi meter that has an averaging function and does not suffer from autoranging during measurements Otherwise you will get current readings that fluctuate from 4 mA to 18 mA Your power supply to the radar must be capable of supplying up to 40mA of current for up to 5 seconds at a time startup current is higher as the radar is initializing its internal systems Serial Connection The SS300 features a RS232 interface that is used to configure the unit as explained later in this document Measured Speed Output The SS300 will send out the measured speed via the ASCII interface as a 3 digit speed with an optional direction indicator The format is nnn r n The format of the speed output can be adjusted to any combination of Optional prefix sent when 000 selected to be sent when no vehicles are detected Optional prefix sent when nnn speed is sent for incoming vehicles nnn Three digit ascii speed in the units selected via the UN variable r Carria
12. ality please contact us When a vehicle is detected and the speed is above the LO speed limit and below the HI speed limit both these pins are pulled down to GND and held down to GND as long as a vehicle is detected These pins are released as soon as the radar detects no further traffic This logic may be inverted via a bit in the IO variable See later section These are open drain AKA open collector outputs capable of sinking 130 mA each You must limit the current externally to ensure that no more than 130 mA goes into each pin when they turn on They may be connected in parallel to double the sink capacity to 260 mA The device providing this functionality on the radar board is the ON Semi NUD3160 relay driver Please refer to the datasheet for this device on detailed operating characteristics for these trigger outputs Page 9 of 19 Houston Radar SS300 User Manual G FQUSTON USE Turn on the power to the SS300 to make it operational No other action is required The radar will activate OUT 1 and OUT 2 open drain outputs whenever it detects a vehicle that is above the programmed lower speed limit the LO value and below the programmed high limit the HI value The default limits are set at 5 mph 8 kph and 99mph 158 kph at the factory The values in brackets apply if units are set to KPH The radar will also keep sending out the speed in user selected ASCII format over the serial
13. f 50 will reduce detection range for them to approximately 200 feet SF 1 Select Fastest Target if multiple targets are detected on the road 0 Select Strongest Target if multiple targets are detected on the road Page 11 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Radar Configuration Variables Continued Radar Configuration Variable Name Description MO Radar mode bitmask Bits are as follows Bit 0 SI3 ASCII command compat flag Contact us for more details Bit 1 Enable console output on serial port Bit 2 Reserved in SS300 radar Bit 3 Reserved Bit 4 Reserved Bit 5 Reserved Bit 6 Reserved Bit 7 Enable Rotary Switch on SS300 Break out IO board Bit 8 Disable power optimized mode RF ON all the time Bit 9 to 15 Reserved SI Speed Increment of the rotary switch on the optional break out board Effective low speed cutoff in radar LO Rotary Switch Setting SI HT Output Hold Time in seconds Once the output is triggered it is held for this amount of seconds from the last trigger source before going inactive Note Only the digital output is held The ASCII speed output is not held The ASCII speed output goes to 000 as soon as target is no longer tracked IO Radar IO configuration bitmask Bits are as follows Bit 0 IO 1 PWM Enable for brightness control Radars reads the ambient light sensor connected to the IO Break out board
14. ge Return character optional line ending n Line Feed character optional line ending At least one or both of the line endings must be selected No line ending is not an option Please see serial port configuration section for details on how to select the above format Page 7 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Setting Detection Sensitivity via the ASCII Interface In addition through the supplied PC program interface the radar also allows ASCII programmatic sensitivity setting Over the serial interface send in ASCII the following commands Sensitivity nn n and Sensitivity n The fiirst command will set the detection sensitivity to nn where nn is from 10 to 99 and is a percentage of the maximum detection range If sensitivity was set correctly the unit replies with OK n The second command will report sensitivity Note 1 All settings including sensitivity are written to FLASH memory and are non volatile DO NOT update settings on a periodic basis e g every second or every minute Only change settings when the user needs it The FLASH memory has a limited number of write cycles and will wear out with excessive gt 10 000 number of writes On the other hand setting the variable to the same value repeatedly is OK because the radar recognizes that the variable has not changed and does not update it in FLASH Note 2 Other configuration parameters may also be set via ASCI
15. l Low Speed Cutoff Switch TO PC COM PORT 5 i cutoff speed LO Switch x SI for ASCII output amp Configuration LO LO variable value in radar SI SI variable value in radar Ambient Light Brightness Sensor Control SW not polarized SS300 RADAR VCC 9 5 to 16VDC Supply Radar Load GROUND Lead of DC Supply Notes Use appropriate sized LOAD VCC LOAD GND twised pair wires for 4 amps DC max supply and load wiring S300 Break Out IO Board Mosfet Non lsolated DC Drive Version w PWM Brightness Control Page 18 of 19 Houston Radar SS300 User Manual kr HOUSTON ADAR Optional Isolated IO Board Note PWM Brightness Control is NOT available with Isolated AC DC Relay outputs 9 5VDC TO 18VDC UP TO 600VAC 1 5A POWER SUPPLY FOR OR 60VDC 8A ISOLATED SS300 RADAR PHOTO CELL INPUT LOAD SWITCHING a FOR AMBIENT LIGHT SENSING OPTIONAL CONNECTION TO PC FOR CONFIGURATION amp FIRMWARE DOWNLOADS 2x 60VDC 130mA OPEN DRAIN ony OUTPUT FROM SSSOOBRK amp S300 Houston ty rS 1 SHARED W Radar ULC Ww ISOLATED O P Wa T v1 0 k tf tases rath i s TENSA HIGH LOW DETECTION RANGE SWITCH CONNECTION TO THE SS300 RADAR SS300 DOPPLER RADAR BREAK OUT AND SWITCH PANEL BOARD C 2009 HOUSTON RADAR LLC HOUSTON TX USA Page 19 of 19
16. ps Bits Bits value 1200 7 1 Even 10 1200 7 ah Odd 11 1200 7 1 None 12 1200 8 None 13 2400 7 Even 20 2400 7 Odd 21 2400 7 None 22 2400 8 None 23 9600 7 Even 30 9600 7 Odd 31 9600 7 None 32 9600 8 None 33 115200 7 Even 40 115200 7 Odd 41 115200 7 None 42 115200 8 None 43 19200 7 Even 50 19200 7 Odd 51 19200 7 1 None 52 19200 8 None 53 Note Many other combinations are available and may be selected via an Excel configuration tool Please contact us for this tool Page 14 of 19 Houston Radar SS300 User Manual HOUSTON SS300 SPECIFICATIONS General Operating Band K Band Frequency 24 125 GHz 50Mhz US 24 200Ghz on request Power Output Antenna Beam Pattern Polarization Supply Voltage Reverse Battery Nominal Current Draw Operating Temp Weatherproof IR Remote Programmable Approvals Approvals Data Interfaces Serial Communication Data Rate Data amp Pwr Connector Mechanical Weight Dimensions Cable Exit Mounting SmW 45deg x 38 deg Linear 8 7V DC to 18V DC Protected 9 mA avg 1ma 12V DC 22 F to 185 F 30 C to 85 C Electronics designed and tested to 40C Yes SS300 DFT build option Open frame also available No FCC Part 15 modular approval US Version CE Mark RS232 for configuration Baud Rates from 1200 to 115200 baud SS300 OPF Molex C Grid SL male shrouded 12 pin RA part 70553 0011 SS300 DF
17. riables Change the variables to the desired values and click on Save To configure any other variable click on Advanced gt Radar Configuration In the window that comes up enter the two letter variable name in the Variable field Enter its value in the Value field and click on Set Variable button 4 Connect to Radar Connection Connected Radar Info Connect To Radar On Serial Port Connection Status Connected COMI Radar Software Ver 104 Radar Speed Limits Set Radar Speed Limits Here These apply only to display output not statistics Erase Radar Data Low Speed Cutoff Violater Speed Limit High Speed Cutoff Syne Radar Clock To Computer E 33 33 Radar blanks display Radar flashes display Radar blanks display below this limit above this limit above this limit Read Traffic Stats From Radar Read Stats Data Info Importing Into Project Dir No Project Importing Into Open Project Page 13 of 19 Houston Radar SS300 User Manual HOUSTON RADAR Set Serial Baud Rate The supplied Windows configuration program can auto detect the baud rate of the radar serial port However if you wish to communicate with the radar from your electronics the adar serial port may be configured to different baud rates Baud Rate Data Stop Parity RS variable b
18. t least 5 feet off the ground for maximum pickup distance Recommended Enclosure for the SS300 OPF The SS300 OPF radar needs to be enclosed in a weatherproof enclosure for outside use The following needs to be observed for optimal performance 1 The front face of the radar with the golden pads is the antenna and is the face that must point into traffic 2 Any cover or window in front of the unit MUST be at least 4 away from the face 3 Do NOT spray any conformal or other coating paint or other substance on the antenna 4 The optimum material to use as a front window is Lexan Polycarbonate plastic 5 The optimum thickness of this polycarbonate window is half wavelength of 24 125Ghz or about 3 5 to 3 7mm thick a Alternatively a thin window of any plastic material may be used The maximum thickness in this case should be no more than 1 mm 40 mils 6 Other plastic materials may be used as a front window but the optimum thickness will wary with the material s dielectric constant Please contact us for details Alternatively you may consider weatherproof version SS300 DFT that is available from Houston Radar Page 6 of 19 Houston Radar SS300 User Manual HOUSTON Hookup Power Input The SS300 radar should be powered from a nominal 12V DC source and features best in class operational power consumption of 9mA average There is no other radar in the world that even comes close to this ultr
19. tputs The device used for this purpose is the On Semiconductor relay driver NUD3160 The output configuration of this device is shown below from the On Semi datasheet The two outputs O P1 and O P2 are brought out on the radar connector pins see IO connector pin out in manual for connector pin numbers This device can sink 130mA of DC current at up to 48VDC minimum 60VDC breakdown voltage do not operate at this breakdown voltage However these are low impedance outputs which means that you must externally limit the maximum current that will flow into these outputs to 130mA at the worst case head voltage They may be parallel together to increase this value to 260mA There are two ways to ensure this 1 Connect an output device that is rated to draw no more than 130mA at your supply voltage Vhead This device can be powered up to 48VDC For example this can be a 12 or 24VDC relay coil rated at more than 130 mA coil current or 2 Connect an external resistor in series with the output load and the O P1 or O P2 pins The value of this external resistor should be calculated as follows ohms law R in K Ohms Vhead Vload drop 130 Load Load Load rated to draw Load Method 2 Method 1 max of 130mA at saciid Vhead max O P 1 Drau Page 17 of 19 Houston Radar SS300 User Manual FOUSTON Appendix B Optional Breakout IO Board Connections Non Isolated Mosfet version with PWM Brightness Contro
Download Pdf Manuals
Related Search