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Stalker Speed Sensor User Guide - Mega-Tech

1. Other Shared Accessories ACI P N Accessory Description 200 0244 00 Standard Mounting Bracket Secures the Speed Sensor to most surfaces 200 0771 00 Tuning Fork 55 MPH Used as an artificial target to verify correct operation of the Speed Sensor 015 0174 00 USB to Serial Adapter Converts a standard RS 232 9 pin D Cable connection to USB Use to interface to PCs without a 9 pin serial connector 019 7031 00 Power Adaptor AC to Converts 110 120 VAC power from a 12VDC standard wall outlet to a 12 VDC cigarette jack to power a Programming Box The STALKER Speed Sensor Radars are Manufactured by Applied Concepts Inc Copyright 2011 by Applied Concepts Inc STALKER RADAR 2609 Technology Dr Plano TX 75074 USA 1 800 STALKER 1 800 782 5537 972 398 3750 Sales 972 398 3751 Fax www stalkerradar com Made in U S A l 011 0116 00 Rev B x0 11011600 gt
2. C closing inbound Peak speed hundreds digit ASCII 0 through 9 or space Peak speed tens digit ASCII 0 through 9 or space ASCII 0 through 9 or space Peak speed tenths digit ASCII 0 through 9 or space 3 4 5 Peak speed ones digit 6 7 Live target direction A away outbound C closing inbound 8 Live speed hundreds digit ASCII 0 through 9 or space 9 Live speed tens digit ASCII 0 through 9 or space 10 Live speed ones digit ASCII 0 through 9 or space 11 Live speed tenths digit ASCII 0 through 9 or space 12 Live target strength hundreds digit ASCII 0 through 9 or space 13 Live target strength tens digit ASCII 0 through 9 or space 14 Live target strength ones digit ASCII 0 through 9 or space 15 Signal strength ratio hundreds digit ASCII 0 through 9 or space 16 Signal strength ratio tens digit ASCII 0 through 9 or space 17 Signal strength ratio ones digit ASCII 0 through 9 or space 18 Status see detail below 19 Carriage Return 0x0D The S Format reports live and peak target speeds as well as unit and target status information To ensure that each message in this format is sent out before time to start the next one the Serial Port Baud Rate should be set for 9600
3. 3 N 26 35 43 52 84 174 261 348 4394 52 i 608 695 c3 co E5 t t 1 i t t 1 i KM H OFF 8 4 C 2 S5 OFF 715 22 29 44 59 73 88 147 293 440 587 133 880 1027 113 M S OFF 24 4 9 13 18 22 27 45 89 194 179 224 268 3 3 358 Units High Speed Threshold MPH SG e00 300 400 500 600 100 800 GFF KM H 24 322 483 644 805 966 1127 1289 GFF NOTS 30 194 e6 348 434 Se 606 695 OFF F S eB 293 440 5873 733 880 1027 1193 GFF M S 67 89 134 199 224 268 3 3 356 GFF While monitoring a target s changing speed the Speed Sensor can lock in the speed at any point in time while still tracking the changing speed of the target track through lock Lock and release speeds using the Live Target Lock 43 command The current locked speed must be released before any other speed can be locked Recommended Basic Settings Baseball It is important that the radar is set correctly when measuring baseballs Check these settings Target Type Low Speed Threshold High Speed Threshold Range Peak Speed Enable Baseball 50 MPH 80 km h 43 knots 73 f s 22 m s 150 MPH 241 km h 130 knots 220 f s 67 m s 8 For maximum sensitivity ON This shows ball release speeds Carnival Experiment with the Range setting depending on what motion and what rides are around the radar Target Type Carnival Low Speed Threshold 30 MPH 48 km h 26 knots 44 f s 13 m
4. Stalker Scoreboard Configure Pro II Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit 7 Hold Fork Mode Transmit Off Pitch Speed Rolldown Speed Hit Speed Highest Pitch Speed Polling Config Streaming A RS 232 The softkeys are Target Type Displays the current selected Target Type Clicking on it cycles through the Target Types Baseball Carnival Car and Tennis Note that when the Target Type is changed the Low and High Speed Threshold values also change because a set of these values is stored for each Target Type Target Direction Displays and cycles through the Target Direction values Outbound Inbound and Both Units Displays and selects the unit of measure for the reported speeds displayed in the speed windows As the Units are changed the Low and High Speed Threshold values are converted and displayed in the newly selected Units Low Speed Threshold Displays and cycles through values that can be selected as the Low Speed Threshold Speeds below this value will not be reported by the unit Separate Low Speed Threshold values are stored in the Speed Sensor for each Target Type High Speed Threshold Displays and cycles through values that can be selected as the High Speed Threshold Speeds above this value will not be reported by the unit Separate High Speed Threshold values
5. e f the erroneous readings are at low speeds often interference from nearby motors change the Low Speed Threshold setting to a higher value to completely eliminate all readings below the set speed e Likewise if the erroneous readings are at high speeds change the High Speed Threshold to a lower cutoff 7 5 Logging Speed Data When the Speed Sensor is sending speed data in the EE Format handshake protocol the Scoreboard application can log the data to a file for later review This comma delimited file lists each speed entry with a timestamp and can easily be imported to a spreadsheet or text editor Logging is not enabled by default so a few settings in the application s control file are necessary to get it started Refer to the next chapter for complete details of this control file but follow the steps below to enable logging e Locate the file named Scoreboard ini in the C Program Files Stalker Scoreboard Application folder On 64 bit versions of Vista or Windows 7 the file is in C Program Files x86 Stalker Scoreboard Application e Ifthe file is not in that location right click on the Scoreboard application desktop icon and select Properties to open the properties window for the icon Click on the Shortcut tab and look in the Start in field for the location of the application executable file and the Scoreboard ini file Open the Scoreboard ini file in any text editor such as WordPad or Notepad e Find the E
6. e The installer may not start automatically Select Run setup exe after the disc has been recognized e After installation right click the Scoreboard desktop icon select Properties choose the Compatibility tab at the bottom of the window under Privilege Level check the box for Run this program as administrator 5 Turn on the Speed Sensor by flipping the On Off switch on the Programming Box The green LED should turn on 6 Open the demo application called Stalker Scoreboard to show the main screen below The text in the blue title bar at the top of the screen will depend on the last used configuration file Stalker Scoreboard Configure Pro II Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Pitch Speed Rolldown Speed Hit Speed Highest Pitch Speed Polling Config Streaming A RS 232 7 Make sure the Transmit status shows that the unit is transmitting If it shows as Hold click on the Transmit Hold softkey to turn the radar transmitter on If the Fork Mode status is On click on its softkey to turn Fork Mode Off When Fork Mode is on reported speeds are limited to the 20 to 100 MPH range of tuning forks 8 Move your hand towards or away from the radar lens or point the Speed Sensor toward a moving object to see speeds displayed in the windows You
7. Program Files Stalker Scoreboard Application folder The ScoreBoard exe executable file and the ScoreBoard ini control file are used as a pair when the application is running The executable file reads parameters from the control file during initialization And the executable file also updates the control file during operation For this reason only one executable file in a folder should be run at a time If more than one executable is running and trying to use the same ScoreBoard ini file the executables will interfere with each other It is possible to run more than one application at a time on one PC if for example there is another Speed Sensor connected to a different serial port Simply copy the Scoreboard folder to a different location where the duplicate application can run without interference There are also unique standard configuration files for each model and software version of Speed Sensor Configure Pro II Speed Sensor 232 1 0 1 cfg is for an RS 232 model version 1 0 1 Configure Pro II Speed Sensor 485 1 0 1 cfg is for an RS 485 model version 1 0 1 These files are installed in the C Program Files Stalker Configuration Utilities folder 9 1 Application Control File The control file ScoreBoard ini is an ASCII text file that may be edited with any text editor such as WordPad or Notepad It has several control parameters that can be changed to affect the operation of the Scoreboard application See a copy of the file below
8. following groups of related function You may also recognize these as the tab headings in the Config Settings window Basic Configuration Serial Port Configuration Speed Presentation AUX Pin Functions Testing System SSeS In Appendix D all settings are listed in the order of their ID number The table there shows all available values for each setting and its factory default value 6 4 Changing the Baud Rate Since the baud rate of the Speed Sensor and the baud rate of the Scoreboard application must be the same for communications to work use the following steps to change the baud rate 1 Open the Config Settings grid as described above and click on the Serial Port Configuration tab to see the serial port settings 2 Change the baud rate to the new desired value and save the setting At this point the Speed Sensor and the Scoreboard application are still communicating with the previous baud rate the baud rate of the Speed Sensor has not changed yet 3 Turn the Speed Sensor off and back on to complete the baud rate change in the unit 4 Configure the Scoreboard application s baud rate to the new desired value as described in Section 5 3 above You may need to close and reopen the application to complete the process 6 5 Default Settings There are two types of default values for the Speed Sensors Factory defaults are hard coded into the unit and can not be modified Configuration File defaults are saved in the configurat
9. 1 and disabled when set 0 Logging only takes place if the Speed Sensor s Serial Port Data Format is set for EE Format The default location for this log file is directly under the C drive LOG_ALL_SPEED_DATA is used to inhibit logging 0 speeds When set 1 all speeds are logged including 0 speeds When set 0 only speeds above 0 are logged and the length of the log file is reduced DATA_LOG FILE defines the path and filename for the speed log 32 9 2 Speed Sensor Configuration File The Speed Sensor configuration files are ASCII files which can be edited with a text editor Stalker Radar provides a different file for each different model of Speed Sensor and for each different software version for each model These standard configuration files define the settings from Appendix D that the application can control in a unit A short portion of a configuration file is shown below Note that the file is organized in a series of text blocks three blocks in the example below P Configure Pro II Speed Sensor 232 1 0 0 cfg Notepad DER File Edit Format View Help Basic Conti gurati on Transmitter Control VALUE_ITEMS_DISPLAY HoOl1d Transmit VALUE_ITEMS_FIRMWARE 0 1 DEFAULT_VALUE 1 DISPLAY 1 Target Type PACKET_TYPE 1 VALUE_ITEMS_DISPLAY Bas eball Carnival car Tennis VALUE_ITEMS_FIRMWARE 0 1 2 3 DEFAULT_VALUE 0 DISPLAY 1 Target Direction PACKET_TYPE 1 VALUE_ITEMS_DISPLAY Outbound Inbound Both VALUE_ITEMS_FIRM
10. Applications to Control Speed Sensors for details on using this protocol to control Speed Sensors Configuration packet format Description Value 1 Start ID OxEF 2 Destination Address 2 254 0x02 OxFE For broadcast 255 OxFF 3 Source Address 0x01 4 Packet Type Reserved use 0x00 or 0x01 5 Payload Length LSB The Payload Length is a 2 byte word which is the number of bytes starting with byte 7 through and including the last byte before the checksum bytes 6 Payload Length MSB see above 7 Command ID Get method Value Setting ID in hex and byte 9 0x00 causes the Speed Sensor to return the current setting Change method Value Setting ID in hex and byte 9 0x01 causes the Speed Sensor to select the next possible setting Set method Value Setting ID in hex 0x80 causes the Speed Sensor to use the value in byte 9 as the new configuration setting 8 Antenna Number Reserved use 0x00 or 0x01 9 Configuration Value Get method Value 0x00 Change method Value 0x01 Set method Value new desired value in hex for multi byte values the LSB is first and is followed by the more significant bytes in low to high order 10 Checksum LSB The checksum should equal the 16 bit sum of pairs of bytes in LSB MSB order starting with byte 1 as the first LSB through and including the last byte before the Checksum in this case byte 9 In the ca
11. It is used in the Packet Type field of the Configuration Protocol described in Appendix E when the application is building commands to send to the Speed Sensor COMMAND_ID is the Setting ID in decimal format from Appendix D that corresponds to the setting description ANTENNA_NUMBER should be set 1 Do not change this value It is used in the Antenna Number field of the Configuration Protocol described in Appendix E when the application is building commands to send to the Speed Sensor VALUE_BYTES is the number of bytes that the setting value uses Do not change this value from the value provided in the standard configuration files from Stalker Radar DATA_TYPE controls the behavior of the value fields When set 1 list type only the values listed in VALUE_ITEMS_DISPLAY are valid When set 2 free form numeric type in addition to the values in the list the user can also enter any numeric value in the range from VALUE_MIN through VALUE_MAX VALUE_MIN defines the minimum acceptable value when DATA_TYPE 2 VALUE_MAX defines the maximum acceptable value when DATA_TYPE 2 VALUE_ITEMS_DISPLAY defines the text that will appear as pull down selections in the row for a given setting in the Config Settings window The values are separated by commas with no spaces and may be set to any desired text VALUE_ITEMS_FIRMWARE defines the actual values the application uses to communicate with the Speed Sensor These values are also separated by commas and
12. Options pull down menu and select Upload Proposed Values to Sensor to save the setting changes to the Speed Sensor The changes can be confirmed by observing that the Sensor Values are now equal to the Proposed Values EE Config Settings Options Serial Port Configuration Speed Presentation AUX Pin Functions Testing ji Config Setting Sensor Yalue Proposed Yalue Default Value Transmitter Control Transmit Transmit v Transmit Target Type Baseball Baseball v Baseball Target Direction Range Inbound 8 Inbound g v Inbound Units MPH Unit Resolution Peak Speed Enable Ones Enabled Enabled Hit Speed Enable Disabled Feet per Second Meters per Second Low Speed Threshold 50 Disabled When the Upload Proposed Values to Sensor menu item is clicked the Stalker Scoreboard application sends separate commands to the Speed Sensor to set each value The Speed Sensor responds to each command with its new or current setting value The new settings are stored in the Speed Sensor s internal memory and are High Speed Threshold 150 remembered even when the unit is turned off and back on 6 3 Configuration Settings There are many Speed Sensor configuration settings All settings for the Pro Il Speed Sensor models are described in detail in Appendix C where they are organized in the
13. and Carriage Return Each message is terminated with the speed s unit of measure followed by a carriage return 4 C 5 1LOOMPH 0x0D e Units and Carriage Return Line Feed Each message is terminated with the speed s unit of measure followed by a carriage return and then a line feed 1OOMPH 0x0D 0x04 3 Speed Presentation SETTING ID Auto Clear Delay 88 Cosine Angle 1 18 Cosine Angle 2 19 The internal measurements made by the radar are modified and presented to the user depending on the settings in this section The Auto Clear Delay setting 88 defines the time that the speed reading is held after the target is lost and before the display screen clears The default is 2 seconds If set for OFF the last speed displayed never clears and stays on the screen until the next speed is acquired Angle Errors The most common mistake made with radar guns is trying to clock targets at angles The Speed Sensor measures the most accurate speeds when targets are moving directly toward or away from it As with any radar aiming at an angle results in angle error and the radar reports a speed that is LOWER than the actual speed At slight angles the error is very small however at larger angles the error can become substantial In the diagram below a radar located in the alternate placement will report a lower speed than one placed in the ideal placement These low speeds can be correc
14. below The radar processes and displays targets differently depending on the selected target type Processing for short lived targets like thrown or hit balls must quickly pick a small target out of the surrounding environment Processing for vehicles assumes that the target will be present for a longer duration and displays its changing speed over a longer period of time Baseball When configured for baseball mode the factory default the Pro II Speed Sensor measures the peak release speed and the live roll down speed of a baseball pitch It analyzes not only the ball but also the pitcher s motion to report the most accurate release speed It can also measure the speed of a ball hit in the opposite direction and can report all three speeds release roll down and hit at the same time The ideal location for monitoring baseball speeds is on the straight line beginning at the pitcher going by the catcher and continuing to the radar with a clear view of the pitched ball s path Carnival The Pro Il Speed Sensor can be operated in carnival mode to report the speed of balls thrown only a few feet at a backdrop target in a carnival booth setting In this application the radar is often mounted on a side support for the booth so there is a large angle between the ball s trajectory and the radar s aim The Pro Il Speed Sensor can automatically adjust for the angle error to display true ball speed Carnival mode can also be used for other
15. displays in the Locked Target window To clear the locked speed simply click in the Locked Target window In the example below a Speed Sensor in Baseball mode is reporting a pitch speed of 56 MPH a rolldown speed of 55 MPH and a highest peak speed of 57 MPH Hit speeds are disabled Note the arrows above the speed windows The down arrows signify that the targets are approaching the radar inbound speeds Up arrows signify targets moving away outbound speeds Stalker Scoreboard Configure Pro II Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Pitch Speed Rolldown Speed Hit Speed Highest Pitch Speed Polling Config Streaming bE RS 232 7 3 Fork Test A Fork Test can be run to ensure proper operation of the Speed Sensor radar Tuning forks are calibrated to ring at a certain frequency that simulates a Doppler return from a moving object Since they are not truly directional signals and since the radar normally filters out non directional signals a fork mode is provided to easily read tuning forks When the Fork Mode status on the Scoreboard application s main screen is On strike a fork and hold it in front of the radar s lens to see its calibrated speed readout in the target window If the speed stamped on the tuning fork matches the speed displayed the r
16. may need to change the Target Direction and or lower the Low Speed Threshold to see speeds Targets moving directly toward or away from the radar are measured with the most accuracy The radar can not measure the speed of objects moving across its beam at all The Speed Sensor can pick up large and small moving objects as well as unsuspected targets such as PC fans and leaves blowing in the wind 9 If you have a tuning fork strike it and hold it in front of the radar lens to see its calibrated speed readout Reading a fork works best when the Speed Sensor is in Fork Mode If the Fork Mode status on the main screen shows as Off click the soft key to toggle the fork mode to On Since a tuning fork is not a directional target and only simulates a Doppler frequency Fork Mode is provided to turn off the standard directionality filtering in the radar When fork mode is enabled the speed range of the unit is limited to 20 100 MPH Refer to the following sections if there are any problems in the steps above or for a more thorough description of the basic and advanced features of the Speed Sensors Section 4 describes the physical connections of a Speed Sensor to power to a computer or controller and to auxiliary external devices Section 5 describes details of loading the Developer s Kit Stalker Scoreboard application CD and the basics of Speed Sensor communications over the controller s serial port Section 6 describes viewing and changing the c
17. or higher Notes Status byte Bit 7 6 always 01 to force displayable ASCII characters Bit 5 always 0 Bit 4 fork mode 0 off normal 1 fork mode enabled Bits 3 0 always 0000 Live target strength values are relative and in the range 1 32 Signal strength ratio is a measure of the directionality of the target A higher number is more directional A 7 Appendix B Handshake Speed Data Protocols When a handshake polling protocol is selected the Speed Sensor sends only one speed message for each speed data request poll it receives from the controller Refer to Section 7 2 for instructions on configuring the Scoreboard application to send EE Format polls The simple EE Format Request is a two byte message as shown below The response from the Speed Sensor is a four byte message carrying fields for live speed in hexadecimal and direction Since there is no addressing in the request message it is assumed that it is directed to a unit with a Speed Sensor Address of 2 and only a unit with address of 2 responds to it Both RS 232 and RS 485 models respond to EE Format polling EE Format Request from Controller to Speed Sensor Description Value 1 Start ID OxEE 2 Check byte 0x12 OxEE 0x12 0 mod 256 EE Format Response from Speed Sensor to Controller Description Value 1 Start ID OxEE 2 3 Live speed Bit 15 valid bit 1 valid speed Bit 14 13 direc
18. over 46 times per second or every 21 milliseconds This is the default and fastest rate for streaming messages If that rate is too fast for a user s application it can be slowed down using the Message Period setting 31 With a range of 0 to 10 000 milliseconds a delay of up to 10 seconds can be configured for the time between the beginning of one message and the next Since the A A1 Formats can only report a single speed use the Format A Speed setting 104 to select the speed to be transmitted in the data message the last live speed the peak speed or the hit speed The default setting is for the peak speed When configured to stream A A1 Format messages with the peak speed use the Peak Message Type setting 102 to change how the messages are sent out When set for Continuous the messages stream out normally When set for Single only one message will be sent out for each peak speed acquired This setting may be convenient if the Speed Sensor is connected to a printer and a one line per pitch printout is desired The Leading Zero Character setting 23 defines the character used for leading zeros on speeds in the data messages For any format it can be set 0 for a zero character ASCII 0x30 or 1 for a space character ASCII 0x20 For the A A1 Formats only it can also be set 2 for no character In this case the message will be shorter for speeds with leading zeros Examples below show how different numbers would appear
19. rate click on Options in the main screen and select Change Serial Port Settings from the pull down menu Stalker Scoreboard Configure Pro Il Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Start EE Polling Start EA Polling Reprogram Radar Search All Ports For Sensor Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Pitch Speed Rolldown Speed Hit Speed Highest Pitch Speed Polling Config Streaming A RS 232 Change the Port setting to match the PC s serial port being used by the Scoreboard application and the Baud Rate to match the baud rate setting in the Speed Sensor It may help to close and reopen the Scoreboard app to make sure the changes have been made successfully ES Set Comm Port i If there is still no luck communicating with the unit there is a way to force the Speed Sensor to a known baud rate To change it to its factory default 9600 baud setting perform the sequence outlined in the Factory Defaults section 6 5 1 Be careful using this method because all of the Speed Sensor s settings are changed back to factory defaults not just the baud rate If other settings were configured for a custom application they will need to be set again For suspected power issues check the power source and cabling If the green LED on the Programming Box does not turn on when the switch i
20. s High Speed Threshold 150 MPH 241 km h 130 knots 220 f s 67 m s Range 1 To mask other nearby moving objects Peak Speed Enable Car ON To capture the highest speed of the target Using a Low Speed Threshold of 0 Off allows the radar to report the instantaneous speed of a vehicle from before it begins moving for an acceleration run and until it stops completely for a braking test Target Type Low Speed Threshold High Speed Threshold Range Peak Speed Enable Tennis Car 0 MPH 8FF 300 MPH 483 km h 261 knots 440 f s 134 m s 8 Use maximum sensitivity for greater distances OFF To focus on the target s live speed Using a Low Speed Threshold of 50 MPH helps to ignore targets around the court other than tennis balls Target Type Low Speed Threshold Tennis 50 MPH 80 km h 43 knots 73 f s 22 m s High Speed Threshold 150 MPH 241 km h 130 knots 220 f s 67 m s Range 8 Change to a lower setting if you track outside motion Peak Speed Enable ON This is for serve speed numbers 2 Serial Port Configuration SETTING ID Serial Port Baud Rate 29 Message Format 30 Message Period 31 Format A Speed 104 Peak Message Type 102 Leading Zero Character 23 Message Termination 101 Use the settings in this section to configure the speed messages transmitted from the serial port The Serial Port Baud Rate setting 29 configures the baud rate in the range f
21. targets with very short flight durations like bullets or BBs Car Car mode is used to measure the speed of cars planes racers snowmobiles people or other moving vehicles The most accurate readings are acquired when the object being measured is traveling directly toward or directly away from the radar Any angle between the vehicle s path and the radar s aim results in lower readings but the Pro Il Speed Sensor can be set to automatically compensate for angle error to display true vehicle speed Tennis Tennis mode is much like baseball mode in that the Pro Il Speed Sensor measures the peak serve speed and the decelerating live speed of a served tennis ball Since tennis balls are served at a wide range of angles a good compromise location to mount and run the radar is at the middle of each end of the court From this spot many serves travel directly toward or away from the radar down the center of the court and the most accurate speeds are reported Speeds for those serves traveling at a large angle to the radar s aim will be reported low because of the angle error 3 Quick Start The easiest way to start using a Speed Sensor is to connect it to a PC using a STALKER Speed Sensor Power Programming Box As shown in the pictures below there are connections for a cable to the Speed Sensor To RADAR a cable to the PC To Computer and a power connector 9 12VDC You ll need e A STALKER Speed Sensor e APC with a seri
22. the Speed Sensor Pin 4 Transmit Data is for data transmitted from the Speed Sensor toward the controller Pin 5 is the common ground Speed Sensors are configured for 10 bit asynchronous serial communications with 1 start bit 8 data bits 1 stop bit and no parity 8N1 This is standard for PC serial ports but a custom controller may need to be modified to match these settings To assist with custom cable development the 155 2227 00 Power I O User Cable Parts Kit can be used to interface the 155 2223 00 Power and I O Cable to custom connections 4 3 Connecting to an RS 485 Controller One of the benefits of the RS 485 model is distance The Speed Sensor can be mounted farther from the controller and still work properly The trade off is that the connection only works in one direction at a time The RS 232 Speed Sensors can stream speed messages on the Transmit line and at the same time receive commands from the controller on the separate Receive line The RS 485 COMM and COMM lines on the other hand are used together as a pair for either sending messages or receiving them but not at the same time To prevent messages in the two directions from colliding the RS 485 protocol requires that there be a master on one end of the link and a slave on the other An RS 485 Speed Sensor always acts as the slave device and the controller is always the master The RS 485 Speed Sensors only answer commands or requests for speeds from the control
23. the order correlates on a one to one basis with the order of the list for VALUE_ITEMS_DISPLAY The available values for each setting are defined in Appendix D DEFAULT_VALUE is the default value described in the Configuration File Defaults section It may be set to any legal value for the setting either from the VALUE_ITEMS_FIRMWARE list or between VALUE_MIN and VALUE_MAX DISPLAY defines whether the setting is displayed in the Config Settings screen When set 1 the setting is displayed When set 0 the setting is not displayed This method can be used to skip displaying settings of no interest without having to delete the whole block from the file 34 10 Custom Applications to Control Speed Sensors This chapter discusses in detail the protocol used to communicate with the Speed Sensors It is the protocol used by the Scoreboard application described earlier in this manual and can be used by designers to develop custom applications to control Speed Sensors A basic knowledge of hexadecimal math is required but the protocol fields are basically fill in the blank Using the configuration protocol described in Appendix E a designer can get the current value of a setting from the unit set the setting to a new value or change increment the value When a PC or other controller sends a configuration command packet to the Speed Sensor the Speed Sensor responds immediately with a packet in the same format The only va
24. the prompts for default installation The process installs the following items on your PC under C Program Files Stalker or C Program Files x86 Stalker on 64 bit versions of Vista or Windows 7 e Stalker Scoreboard application that can be used to configure monitor and control Pro Il Speed Sensors e A pdf version of this manual e Configuration files for each of the models e Cable drawings for reference The installation process also creates a shortcut icon on the desktop for the 2 Scoreboard application And shortcuts to the application and this manual are created under the Stalker tab in the Windows Start Menu For Vista or Windows 7 users After installation right click on the Scoreboard desktop icon select Properties choose the Compatibility tab at the bottom of the window under Privilege Level check the box for Run this program as administrator 5 2 Polling for Speed Sensor Product ID After turning on the Speed Sensor with the switch on the interface box double click the Stalker Scoreboard desktop icon to start the application The main screen below appears Stalker Scoreboard Configure Pro Il Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Target Type Target Direction Units Low Speed High Speed Threshold Threshold Baseball Inbound Meters Per 50 150 Second Transmit Hold Fork Mode Transmit On RS 232 Searching For Radar 11 When a speed sensor is found on the link t
25. unit will get warm to the touch when the transmitter is on for long periods but this is normal and no cause for alarm The Scoreboard PC application can be used to monitor speeds that the Speed Sensor detects Other equipment or applications can also monitor the speed data from the unit by decoding the messages it transmits over the serial link Several message formats are available and can be selected in the Config Settings window as shown below Refer to Appendix A and Appendix B for the content and organization of the fields for the different formats They vary from simple ASCII character strings to longer formats reporting multiple speeds and status information EE Config Settings Options Settings Sensor Yalue Serial Port Baud Rate 9600 Message Format A l Message Period 0 Format A Speed Last Peak Message Type Continuous Leading Zero Character Space Message Termination CR The RS 232 model of the Pro Il Speed Sensor can stream data in any format except EE which is reserved as a polling only format Whenever the radar transmitter is on the Speed Sensor streams out speed messages in the selected message format at a fixed number of messages each second The RS 232 model can also communicate using the Format EE handshaking or polling method Instead of automatically streaming data out it sends a single Format EE speed message packet only when the controller asks for one To
26. with explanations of the parameters following Stalker PORT COM1 BAUD 9600 232_DESTI ATION ADDRESS 2 485 DESTI ATION ADDRESSE S 2 CONFIG FILE C Program Files Stalker Configuration Utilities Configure Pro II Speed Sensor 232 1 0 1 cfg GET_CFG_INTERVAL 500 POLLING INTERVAL 100 31 ENABLE SPEED LOGGING 1 OG ALL SPEED DATA 1 DATA LOG FILE C SpeedLog csv PORT defines the PC serial port used for communication with the Speed Sensor When the serial port is changed using the Options pull down Change Serial Port Settings function this parameter in the Scoreboard ini file is automatically changed It can also be changed by editing the file After the COM port is changed the application may need to be closed and re opened for the newly selected port to be used BAUD defines the baud rate to be used for communication with the Speed Sensor As with PORT above this parameter can also be changed via the Options pull down Change Serial Port Settings function or by editing the file After changing the baud rate the application may need to be closed and re opened for the setting to take effect 232_DESTINATION_ADDRESS is always set to 2 When communicating with an RS 232 Speed Sensor the PC running Scoreboard is always the master of the link Address 1 and the Speed Sensor is always the slave Address 2 Do not change this value 485 DESTINATI
27. 1 Reading the Current Configuration From the Config pull down menu select Edit Firmware Values The application will poll the Speed Sensor to read all the settings defined in the configuration file and then display the Config Settings window below EE Config Settings Options i Serial Port Configuration Config Setting Sensor Yalue Proposed Yalue Default Value Transmitter Control Transmit Transmit Transmit Target Type Baseball Baseball Baseball Target Direction Inbound Inbound Inbound Range 8 8 J 8 Units MPH MPH MPH Unit Resolution Ones Ones Ones Peak Speed Enable Enabled Enabled W Enabled Hit Speed Enable Disabled Disabled Disabled Low Speed Threshold 50 50 50 High Speed Threshold 150 150 150 You ll see columns for the name of the configuration setting the value currently in the Speed Sensor proposed values that can be used to change the sensor values and default values defined in the configuration file The settings are grouped by type and the different types can be selected by clicking on the appropriate tab e g Main Serial Port Configuration 17 6 2 Changing and Saving the Configuration The settings in the Speed Sensor can be changed by selecting other values from the Proposed Value pull down menus as shown below for example changing the units from MPH to km h After selecting new Proposed Values click the
28. NABLE_SPEED LOGGING line and ensure the parameter is set 1 e If logging of zero speeds is desired set the LOG_ALL_SPEED_DATA parameter 1 If only non zero speeds are desired set it 0 e Type in the desired name and location of the log file after the DATA_LOG_FILE parameter The default is C SpeedLog csv If not changed the log file will be created in the top level of the C drive e Set the polling interval with the EE FORMAT_INTERVAL parameter The number represents the time in milliseconds between receipt of the last response and sending of the next poll and the default value is 100 ms To initiate logging make sure the radar transmitter is on and that the Message Format is configured for EE Then select Start EE Polling in the Actions pull down menu To stop logging select Stop Polling The Scoreboard application appends new data to the log each time the EE Format is started To clear the earlier logged speeds delete the entries in the file manually or rename or delete the whole file The Scoreboard will create a new file with the default name if one does not already exist 7 6 The AUX Pin The AUX Pin Configuration setting enables the AUX pin to perform different functions as an input or an output from the Speed Sensor Look under the AUX Pin Functions tab on the Config Settings screen for parameters to control the functions Refer to Section 4 4 Auxiliary Connections for connection location and other physical requireme
29. NG ID Get Product ID 37 Get Product Type 79 Get Software Version 81 Speed Sensor Address 116 The first three settings or commands in this section are used to query the Speed Sensor for information about itself The values can not be changed by the user they are constant and depend on the model of the unit and version of software loaded into it A Speed Sensor responds to a Get Product ID command 37 with an ASCII string containing the product model name and the version of software loaded into it An example is Pro Il Speed Sensor 232 Ver 1 0 1 The response to a Get Product Type command 79 is a three byte hexadecimal value associated with the model of the Speed Sensor The values are 0xB40B53 RS 232 Pro Il Speed Sensor 0x35B04B RS 485 Pro Il Speed Sensor The Get Software Version command 81 returns an ASCII string with the loaded software s version e g 1 0 1 The last setting in this section Speed Sensor Address 116 controls the address of the unit used in control and configuration applications as described in Section 10 All RS 232 models have an address of 2 and it can not be changed Since multiple RS 485 models can be used on the same link they must have different addresses Their address range is 2 254 0x02 OxFE When shipped from the factory all RS 485 models have an address of 2 but the user can change a unit s address using this command Appendix D Configuration Settings Table All o
30. ON_ADDRESSES shows the addresses of RS 485 Speed Sensors when the Scoreboard was last used Addresses in the range from 2 through 254 are available As above Address 1 is reserved for the PC running Scoreboard CONFIG_FILE defines the Speed Sensor configuration file used during a session This parameter is updated by the application when Select New Startup Config File is selected from the Config pull down menu The content of configuration files is discussed in detail in Section 9 2 GET_CFG_INTERVAL defines how often in milliseconds the application polls the Speed Sensor to update the status fields in the main window This parameter applies to the configuration fields only Target Type Target Direction Units not the speed windows The default is 500 ms second This parameter value can be increased to reduce the message traffic on the link but main window status update timing will be affected POLLING_INTERVAL defines in milliseconds how long after a polling response is received before the Scoreboard sends another EE poll Polling begins after selecting Start EE Polling from the Options pull down menu and polling stops after selecting Stop Polling The default value is 100 ms 1 10 second The value can be increased or decreased to speed up or slow down the rate of polling ENABLE _SPEED_LOGGING defines whether a speed log file is generated for the current session Logging is enabled when the parameter is set
31. Refer to Section 7 6 for more information on configuring and monitoring the AUX pin Using a standard audio plug in the jack on the Programming Box the AUX signal is available on the tip conductor and Ground is on the ring conductor Although the Aux signal in the Speed Sensor is protected from static electricity ESD a system designer integrating the Speed Sensor into a custom design should still take proper ESD precautions into account in their design The Aux signal should also be allowed to be pulled high upon applying power to the unit or it may go into programming mode and have all the user settings reset to factory defaults As a Speed Alarm the AUX pin outputs a simple logic level signal 3 3V for alarm condition or OV for no alarm and can drive a maximum of 10mA For audio the AUX pin output is a 3 3 V audio output signal A system integrator must provide external filtering for best audio quality Pressing the red Reset button on the Programming Box shorts the AUX pin to ground This acts as a trigger pull when the unit is configured for a radar trigger It can also be used to force a Speed Sensor s settings back to factory defaults as described in the Factory Defaults section 6 5 1 10 5 Communicating with the Speed Sensor 5 1 Loading the Developer s Kit CD Insert the Developer s Kit CD in your PC and the automatic installer should begin within a few seconds Allow the install to complete normally by clicking on
32. STALKER Scoreboard PC Application amp STALKER Pro Il Speed Sensor User Manual Stalker Scoreboard Configure Pro Il Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Pitch Speed Rolldown Speed Hit Speed Highest Pitch Speed Polling Config Streaming bE RS 232 Any changes or modifications not expressly approved by Stalker Radar Applied Concepts Inc could void the user s authority to operate the STALKER Pro II Speed Sensor Not intended for Law Enforcement use STALKER RADAR Stalker Applied Concepts 2609 Technology Drive Plano TX 75074 USA 1 800 STALKER 972 398 3750 Sales 972 398 3751 Fax www stalkerradar com Table of Contents he IMP OCHULGUION EPEE E ATTE EE EE ATA 1 2 gt Ihe Farget Typist nanana aE EEEE A a tat ERATE EEES 2 3 UNG Start ekaia T a tate a 2 delta A a tna a 3 4 Connecting the Speed SenSOl cccccscsccisccccndecaeencteeeeedeneedseedeh anhok cau heeded doseies evens sddsensed 7 4 1 Connecting to POWET icc seep dedencshsedceveyetean css tes ated sentr tebe deagaceette teagan vend ee decane 7 42 Connecting to an RS 232 Controller 222 ccccccseeeeseeeccceeeeeeeeeeseeeneeneeeeeeeeeeeees 7 4 3 Connecting to an RS 485 Controller ce ceceeeeeeeeeeeeeeceeeeeeeeeeeeeeaaaaeeeeeeeeneeeas 8 4A Auxillary OMMOCUONS is rennuni ni
33. Screen cceeeeeeee sees cece tent eeeeeeeeeeeeeeeeeeeees 22 7 2 Monitoring Speed Dales isivscaccces his eceecetiane deeb des daceedecehrssavasedeneectunetarnedacs 24 TO TOUR WSSU E E ea chet usc ct tact E Geet tes Radek se nde 26 7 4 Interference ProbletnSs ccciicndonae phe dette Wendin ees 27 Ton Logging Speed Dalal issscc csesenaca catch ccna Avidsast outa ins Wend Nestea A eRe 28 T6 The AUX Piin extagen a e a E o 28 8 Upgrading Speed Sensor Software cccccceccccsssseeeeenceeeeeeeeeeseeneceeeeseeeeseeeenseeees 30 8 1 Checking for a New Version of Software 00 ccccceeeeeeeeeennneeeeeeeeeeeeeeeeeeeeeeeeeees 30 8 2 Programming the Speed Sensor sa cincassteartecaceeaetdeherdvarnceanacaveersvauethaeteralendhecete 30 9 Configuring the Stalker Scoreboard Application c cccceeeeeeeeeeeeeeeeeeeeeeeeeentaaeees 31 9 1 Application Control File ccccccccccecccecccececececeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeseeeesseenanes 31 9 2 Speed Sensor Configuration File cc ceccceeeeeeeeeeeeeceeeeeeeeeeeeeeeeaaeeeeeeeeneeenaea 33 10 Custom Applications to Control Speed Sensors ccccecceeseeecececeeeseseeseeeeeeeeeees 35 11 Service INPOMMAUON seein ea an a e ana E E TAA thes EN ANAA A AEREE TATAA 37 12 SPOCIIGATONS eenn ea a a a 38 Appendix A Streaming Speed Data Protocols 0 cceeeeeeeeeeeeeeeeteeeeeeesseesseenes A 1 Appendix B Handshake Speed Data Protocols cccceeece
34. USB ports instead In these cases acquire a USB to serial port adapter to perform the necessary conversion These products vary and may or may not work well In some cases they provide undesirable buffering and delay and a different brand should be used The USB to Serial Adapter Cable listed in Appendix F is available from Stalker Radar For custom user cabling to RS 485 controllers the serial connection uses pins 1 and 4 of the Speed Sensor connector These signals COMM and COMM are used as a pair for either transmitting or receiving data messages No ground wire is needed for RS 485 communication Speed Sensors are configured for 10 bit asynchronous serial communications with 1 start bit 8 data bits 1 stop bit and no parity 8N1 This is standard for PC serial ports but a custom controller may need to be modified to match these settings To assist with custom cable development the optional 155 2239 00 RS 485 Speed Sensor Cable connects to the unit and has loose wires on the far end to interface to custom connections 4 4 Auxiliary Connections The Aux I O jack on the side of the Programming Box provides access to the AUX pin pin 3 on the Speed Sensor connector During standard use of the Speed Sensor the AUX pin can be an input or an output from the unit As an input it can be configured as a Radar Trigger As an output it can be configured as a Speed Alarm or to send out Doppler Audio Its default setting is for no function
35. WARE 0 1 2 DEFAULT_VALUE 1 DISPLAY 1 The order of the blocks in the cfg file determines the order in which the settings and their values will be displayed in the Config Settings window As long as the blocks are moved as units they can be arranged in any order Blocks for the settings used most often could be placed at the top of the section so their values appear at the top of the Config Settings window Blocks for settings that are never used could even be deleted from the file to speed up the Edit Firmware Values process We recommend copying the standard file provided by Stalker Radar to a file with a new name before making changes In that way many custom configuration files can be created for different uses and the standard file is always available to fall back on for complete control 33 Each block represents a different configuration setting and has the following format Transmitter Control PACKET TYPE 1 COMMAND _ID 42 ANTENNA NU BER 1 VALUE_BYTES 1 DATA TYPE 1 VALUE_MIN VALUE MAX VALUE ITEMS DISPLAY Hold Transmit VALUE ITEMS F IRMWARE 0 1 DEFAULT VALUE 1 DISPLAY 1 The first line in the block defines the name of the setting in brackets This is the setting description that displays in the left column of the Config Settings screen and it can be changed to any name desired PACKET_TYPE should be set 1 Do not change this value
36. adar is seeing targets and reporting them properly You can disregard the Low and 26 High Speed Threshold settings while the unit is in Fork Mode any fork calibrated for speeds between 20 and 100 MPH will register You can also disregard the Auto Clear Delay setting the speed is cleared immediately when the fork is removed Fork Mode is automatically turned on for 30 seconds when the Speed Sensor is powered up This allows a quick fork test before the mode is automatically turned off and the radar again processes only directional targets Note When the Scoreboard application is opened it automatically turns off Fork Mode when it queries the unit for its configuration If a longer fork period is desired turn on fork mode using the Fork Mode soft key in the Scoreboard main window When enabled in this manner fork mode stays on for 10 minutes before it automatically turns off again It is not possible to turn on fork mode and leave it on indefinitely 7 4 Interference Problems Interference Frequencies The STALKER Pro Il Speed Sensor transmits at a frequency of 34 7 GHz 34 700 000 000 Hz using a Ka Band Transmitter The receiver is designed to read the Doppler frequency the change in frequency which is much lower and lies between 100 Hz and 93 000 Hz There are very few devices other than another radar gun that could cause interference in a radar gun s transmission frequency range However there are a number of devices that could i
37. al port For the quickest start we recommend a PC with a standard 9 pin D serial port connector If your PC only has USB ports use a USB to Serial Adapter Cable These are available at any store that sells computer cables or you can order one from Stalker Radar from the Shared Accessories list in Appendix F e ADC voltage power source in the range of 9 28VDC If you do not have a cigarette plug power source available use the optional AC to 12VDC Power Adaptor listed with other accessories in Appendix F e A Programming Box Developer s Kit There are two kits available one to interface with RS 232 Speed Sensors 200 0863 00 and one to interface with RS 485 models 200 0864 00 Quick Start Steps 1 Connect the Speed Sensor to the box with the cable provided in the kit 2 Connect to the PC using the provided serial cable This is a straight through serial cable Do not replace it with a null modem cable which will swap the transmit and receive wires The box in the RS 485 kit has an internal converter so the RS 485 signals on the Speed Sensor side are converted to RS 232 for direct connection to a PC 3 Connect to power by plugging the cigarette plug into a 12VDC nominal power supply 4 Load the Developer s Kit CD on your PC Insert the disc and allow the automatic installer to run to completion You will now have a new icon on your desktop a stylized STALKER 5 in a red circle For Vista or Windows 7 users
38. and Connects the Speed Sensor to the I O Cable 12 Programming Box 155 2227 00 Speed Sensor Power I O Loose parts that can be used to interface User Cable Parts the 155 2223 00 Power and I O Cable to user developed custom power and I O connections 155 2290 00 Speed Sensor Power and Extender cable for the 155 2223 00 I O Extension Cable 15 Power and I O Cable that allows placement of the Speed Sensor farther away from the Programming Box RS 485 Speed Sensor Accessories ACI P N Accessory Description 200 0864 00 RS 485 Pro II Speed Items in this table marked with are Sensor Developer s Kit included in this kit with the programming box The box provides a cigarette plug for power input connections for the Speed Sensor and serial port cables an on off switch a reset button and auxiliary I O access The box also converts the RS 485 signals from the Speed Sensor to RS 232 signals to directly interface to a PC serial port 200 0865 00 Scoreboard PC Installation CD containing the Scoreboard Application CD PC application and user manual 155 2130 00 RS 232 Straight Through Connects the Programming Box to a PC Serial Cable RS 232 serial port 155 2239 02 RS 485 Speed Sensor Connects the Speed Sensor to the Power and I O Cable 82 Programming Box 155 2239 00 Speed Sensor Cable RS Connects to RS 485 version Speed 485 82 Sensor providing loose wires on the distant end for custom installations
39. are stored in the Speed Sensor for each Target Type Transmit Hold Clicking this button turns on and off the radar transmitter The current status displays as Transmit or Hold 22 Fork Mode Toggles the fork mode on and off Used when testing with a tuning fork as described in Section 7 3 Locking Speeds Though not shown as a soft key a Strong Target in Car mode can be locked by clicking the Strong Target window The locked speed will be shown in the Locked Target window To clear the locked speed click the Locked Target window The status bar at the bottom of the main window displays information about the operating status of the Scoreboard application and the attached Speed Sensor It may display the following Polling Config The Scoreboard normally polls the Speed Sensor to fill in the softkeys with the unit s current configuration Streaming A When an RS 232 unit is streaming out speed data the format of the data messages displays here A b bE or S Format ref Appendix A Polling EE Shows when the Scoreboard is polling an RS 232 or RS 485 unit for Format EE speed reports Since the Scoreboard is usually also polling for configuration you will likely see the status as Polling Config EE RS 232 or RS 485 Shows the type of Speed Sensor that the Scoreboard is communicating with 23 7 2 Monitoring Speed Data The radar transmitter must be in Transmit mode for the Speed Sensor to register speeds The
40. ble for targets and gives the radar the highest level of performance It is also able to see smaller targets This is the default setting Use lower range values for targets closer to the unit and when you want to restrict it from seeing smaller objects or objects farther out in the background The Units setting 20 selects the units of speed measurement The available options are MPH the default km h knots feet sec and meters sec The Unit Resolution setting 21 can be set to report speeds in whole units ones as 25 or tenths of units as 25 4 The default is ones Use the Peak Speed Enable setting 13 to turn on and off the acquisition of the peak speed of targets It is enabled by default For example when tracking a baseball pitch the peak speed is the same as the release speed since a ball only slows down after it is thrown When tracking a vehicle in Car mode the peak speed is the highest speed attained as the vehicle speeds up or slows down The Hit Speed Enable setting 105 disables or enables the acquisition of hit speeds The default value for this setting is disabled When it is enabled and the unit is in Baseball or Tennis mode the radar looks for targets going the opposite way from the Target Direction setting and reports them as hit speeds Hit speeds are not acquired if the Target Type is Car or if the Target Direction is set for Both The Low Speed Threshold setting 7 is a speed value under which the radar w
41. cting the Speed Sensor As recommended above in the Quick Start section the fastest and easiest way to get a Speed Sensor connected and running is by using a Developer s Kit Programming Box In this section the simple box cabling is described in more detail along with alternative custom solutions for connections to the unit Cables referenced below are listed in Appendix F with other optional accessories The Speed Sensor has a single connector used to provide it power to control and configure it and to monitor speed information Its pinout is shown below as viewed from outside the unit Pin 1 is between the polarizing slots and pins 2 through 5 are numbered in a counter clockwise direction PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 Pin 1 RX Receive Data toward the Speed Sensor COMM for RS 485 units Pin 2 PWR 12VDC nominal Pin 3 AUX Auxiliary Input Output Pin 4 TX Transmit Data from the Speed Sensor COMM for RS 485 units Pin 5 GND Ground 4 1 Connecting to Power Using the Programming Box the power connection is made from the cigarette plug through the box and to pins 2 and 5 of the Speed Sensor over the 155 2223 00 Speed Sensor and Power I O Cable If the Speed Sensor needs to be mounted farther from the Programming Box the optional 155 2290 00 Extension Cable is available for an extra 15 feet For custom user cabling connect pin 2 to a DC voltage source in the range from 9 to 28 vo
42. ding the Product ID as described Section 5 2 Tuning forks can be used to verify that the radar is able to register accurate speeds They are calibrated to ring at a frequency equal to the Doppler frequency for a given speed and thus emulate a target Since the Speed Sensors normally acquire only directional targets and since tuning forks are non directional and only simulate a speed the Speed Sensor can be configured to ignore the directionality requirement of target acquisition Use the Fork Enable setting 47 to accomplish this At power up of the Speed Sensor the fork mode is automatically enabled for 30 seconds to allow for a quick fork test Strike the fork and hold it in front of the Speed Sensor lens thin edge toward the lens to ensure that the simulated speed is acquired and reported by the unit After the 30 seconds is up fork mode is automatically disabled and the radar focuses only on directional targets again Fork mode may be turned on at any time by setting Fork Enable to On Whenever it is enabled by the user like this it will stay on for ten minutes before automatically turning itself off It may be turned off at any time before its automatic timeout by setting Fork Enable to Off Another way to turn off fork mode at any time is to turn the radar transmitter off and then back on A 55 MPH tuning fork is available from Stalker Radar and is listed with other accessories in Appendix F 6 System SETTI
43. dio is silent when no target is being reported 29 8 Upgrading Speed Sensor Software The Scoreboard program has the ability to upload new software to Pro II Speed Sensors This section details the process of uploading a new software load to your Speed Sensor Each time a unit is loaded with a different version all configuration values are set to the factory defaults for that version All configuration changes made while the previous version was running will be lost The one exception is the unit s address If it had been changed as described in Section 4 3 the unit will retain its current address until changed again using the same process 8 1 Checking for a New Version of Software Contact the Customer Service Department at Stalker Radar and inquire about a new version of software Please have your current version available when asked so it can be determined if there is a new load for your model of Speed Sensor A new version can be sent by email and will install on your hard drive under C Program Files Stalker in a sub folder for each model You can also check our website at http www stalkerradar com ProllSpeedSensorDownloads files html to see if a new version is available and to download it yourself 8 2 Programming the Speed Sensor Once the new code has been installed on your hard disk open the Scoreboard program Click on the Options menu and then click on Reprogram Radar A new window will open to show the avai
44. e Defaults Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Highest Pitch Speed Polling Config Streaming A RS 232 The dialog box below opens and allows for a selection to be made It is important that the model and software version in the configuration filename match the model and version in the unit The dialog box contains the Speed Sensor model and current software version in the blue title bar 15 Sensor Contains Pro II Speed Sensor 232 Ver 1 0 1 Look in Configuration Utilities F Gn Configure Pro II Speed Sensor 232 1 0 1 cFg 4 ga Configure Pro II Speed Sensor 485 1 0 1 cfg My Recent Documents Desktop My Documents My Computer e File name Ss L My Network Files of type cfg files ctg If there are no cfg files in the list make sure the Look in window is set for the Configuration Utilities folder under C Program Files Stalker or C Program Files x86 Stalker the standard installation location for these files If the correct file is still unavailable a lower version number for that model will work but it may not provide access to newer features The matching configuration file is always available from Stalker Check our website at http www stalkerradar com ProllSpeedSensorDownloads files html to download the file you need Or contact us so we can send it to you 16 6
45. e EA request has address fields the controller can poll any individual unit on the link and get back a speed report from only that unit The Stalker Scoreboard application displays the speeds it receives in the speed windows at the bottom of its main screen Depending on the unit s configuration and the data format selected the Speed Sensor reports live speeds peak speeds hit speeds the highest peak speed it has seen since it was turned on and locked target speeds When the Target Type is set for Baseball or Carnival the peak speed appears in the Pitch Speed window the live speed in the Rolldown Speed window the hit speed in the Hit Speed window not used for Carnival and the highest peak speed in the Highest Pitch Speed window Remember that hit balls will fly away from the radar in a wide range of angles The speed of a line drive to center field will display more accurately than a hit toward first or third base which will have a large angle error 25 The Tennis mode is similar with the peak speed in the Serve Speed window the live speed in the Rolldown Speed window the hit speed in the Return Speed window and the highest peak speed in the Highest Serve Speed window When the Target Type is set for Car mode the live speed appears in the Strong Target window and the fastest speed seen for that target appears in the Peak Target window The live target can be locked by clicking in its display window the speed at the time of lock then
46. e unit for Speed Alarm or Doppler Audio functions Refer to Section 4 4 for information concerning physical connections to the AUX pin and to Section 7 6 for a more thorough description of the feature operation e When configured as a Radar Trigger use the Radar Trigger Mode setting 60 to choose continuous the default start stop or locking functionality e When configured for a Speed Alarm output the Alarm Speed Threshold setting 12 sets up the alarm speed in the range from 0 to 1500 The default is 1500 e Doppler audio is a tone that can be helpful when tracking targets like vehicles The tone has a higher pitch when the vehicle is moving faster and it lowers as the vehicle slows down When squelch is on there is only a tone when the Speed Sensor has identified a target when squelch is off there is always some background noise in the audio 5 Testing SETTING ID Get Product ID 37 Fork Mode 47 A simple test to confirm that the serial link is active is for the controller to query the unit with the read only Get Product ID command 37 The return message from the Speed Sensor contains an ASCII string with the product model name and the version of software loaded into it An example is Pro Il Speed Sensor 232 Ver 1 0 1 This value can not be changed by the user it is a constant value and only changes when a new software version is loaded into the unit The Scoreboard application sends this query when rea
47. ed Setting ID Setting Description Default Available Values Deg Hex Appendix C Ref Setting 0 Radar Trigger input i 1 Off 16 Oxi ANAP Connguraton gt 1 2 Speed Alarm output 3 Doppler without Squelch output 4 Doppler with Squelch output Cosine Angle 1 Ja 18 0x12 gs Sonne Raion 0 0 45 degrees 1 increments Cosine Angle 2 o 19 0x13 E 0 0 45 degrees 1 increments 0 MPH 1 km h 20 0x14 oe 1 Basic Configuration 0 7 ee 4 meters sec Unit Resolution 0 ones 21 0x15 1 Basic Configuration 0 1 tenths 0 zero ASCII 0x30 23 sox Peading Zero Character 1 1 space ASCII 0x20 Serial Port Configuration EN A 0 300 baud 5 9600 baud l 1 600 baud 6 19200 baud 29 ox1D Serial Port Baud Rate n 5 2 1200baud 7 38400 baud 3 2400 baud 8 57600 baud 4 4800 baud 9 115200 baud 0 None no speed data output 1 A Format 2 b Format 30 Oxi UPRA Fonna e 1 3 bE Format Serial Port Configuraton 4 S Format 5 EE Format 6 A1 Format Message Period 31 0x1F 4 Serai Poi GonnauraIOn 0 0 10000 ms 10 sec message delay Get Product ID 1 Request the return of an ASCII 37 0x25 5 Testing V string containing product model and 6 System software version read only Transmitter Control 0 Hold 42 0x2A 1 Basic Configuration 1 1 Transmit Live Target Lock 0 Release 43 0x2B a 1 Bas
48. eeeeeeeeeeeeeeeeeeeeeeeeeeeeenes B 1 Appendix C Configuration Setting DeSCTriptionS cseeeseeeeeeeeeeteeeneeetteeneeenes C 1 Appendix D Configuration Settings Table cccseccceeeeeeeeseeeeeeeeeeeeeeeeeeseseeeeeee D 1 Appendix E Configuration Protocol seisseen a a ee e aeai E 1 Appendix F ACCESSOPIGS iiei a a owls a a a eve eects F 1 1 Introduction The STALKER Pro Il Speed Sensor is a complete Doppler Radar in a small rugged housing It measures the speed of a wide variety of objects such as baseballs vehicles tennis balls and just about anything that moves The STALKER Pro Il Speed Sensor sends out very high frequency radio waves and measures the change in the frequency after it bounces off a moving object This is commonly referred to as Doppler Radar This invisible radio wave is extremely low power about 1 100th of a watt and is completely safe for close and continuous operation The STALKER Pro Speed Sensor is a true digital radar system It converts the reflected microwave signals into a digital stream of data The sensor s own computer then processes this data stream using sophisticated programming to interpret filter and measure the speeds This type of radar system has the potential to provide substantially superior performance and accuracy over conventional radar systems The STALKER Pro Il Speed Sensor is a directional radar It can tell the difference between targets moving toward it and targ
49. enable Format EE polling make sure the radar transmitter is on and that the Message Format is configured for EE Then select Start EE Polling from the Options pull down menu on the main screen as shown below The application will then begin 24 sending EE Format Requests and displaying the values returned from the Speed Sensor To stop the polling from the application select Stop Polling from the same menu Stalker Scoreboard Configure Pro I Speed Sensor 232 1 0 1 cfg Config Options About Destination Address 2 Start EE Polling Start EA Polling Change Serial Port Settings Reprogram Radar Search All Ports For Sensor Target Type Target Direction Low Speed High Speed Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Pitch Speed Ralldown Speed Hit Speed Highest Pitch Speed Polling Config RS 232 The RS 485 model can only use handshaking methods since it is always a slave on the link It never sends data unless the controller asks for it It can communicate using Format EE polling as described above but only if its address is 2 Refer to Section 4 3 for more detail describing how to check or set the Speed Sensor address The RS 485 model can also use the more flexible EA polling With this method the controller sends an EA request as described in Appendix B and the Speed Sensor returns a single message of whatever Message Format is selected A A1 b bE S Since th
50. eni E eae tee Rab a eE AS 9 5 Communicating with the Speed Sensor 0 ee eeeeeeeee cece tree eeeeeeeeeeeeeeeeeeeeeenaaeees 11 5 1 Loading the Developer s Kit CD ci 0 cei acceticcrneeeeeeeaemntenees nateneeetitieerte 11 5 2 Polling for Speed Sensor Product ID 2 0 cceeecessccceeeeeeeeeseeenseteneeeeeeesnescnes 11 5 3 Troubleshooting Communication ISSUCS eee eee e eter eeeeeentaaeeeeeeeeeeeeenaea 12 6 Configuring the Speed Sensor ccecccceeeneeeeeseseeeeceneneeeeenenseeceneeeeeeeeeenenseeseeeees 15 6 1 Reading the Current Configuration si vancrentedsiveccdnso buadansedavvgr te iacterdeandieartetels 17 6 2 Changing and Saving the Configuration eeeeeeeeeeneee terete eeennnaeeeeeeeeeeeeeeeea 18 6 3 Configuration Settings s scscediaesscretitanidvdnagesedeh eitasadebieasacteanebctth nel eetiadetvhien eee 19 6 4 Changing the Baud Rate isc sc csceeecieysccednceadsveleseslensontdasetieensbuaeaeecteevedenences 19 6 5 Default Settings raa screed aaaea A a a a a a cman E aaee ipaa 19 6 541 Factory Defa lts rriaire anaa AAA Aa A a E EAE REEE aa 19 6 5 2 Configuration File Defaults svcsesvt vate tascate ves wcietneduantycha acon ius eeceeiatieantes 20 6 6 Printing Configuration Values isa c 2 cess resccuses cece cee deen deat eta ee dene eed cciee se 21 7 Operating the Speed Sensor ccccccccccccccceceeeceeeceeeceeeceeeeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaes 22 7 1 Scoreboard Application Main
51. es The following streaming protocol message formats are supported A ASCII single speed only up to 999 9 A1 ASCII single speed only up to and gt 1000 b ASCII multiple speeds up to 999 status bE ASCII all speeds up to and gt 1000 status S ASCII multiple speeds up to 999 9 status A 1 A Format Single Speed Only Ones Resolution Byte Description Value 1 Speed hundreds digit ASCII 0 through 9 or space 2 Speed tens digit ASCII 0 through 9 or space 3 Speed ones digit ASCII 0 through 9 or space 4 Carriage Return 0x0D A Format Single Speed Only Tenths Resolution Byte Description Value 1 Speed hundreds digit ASCII 0 through 9 or space 2 Speed tens digit ASCII 0 through 9 or space 3 Speed ones digit ASCII 0 through 9 or space 4 Decimal Point Ox2E 5 Speed tenths digit ASCII 0 through 9 or space 6 Carriage Return 0x0D The A format is a simple ASCII format which reports a single speed in each message packet either live speed peak speed the default or hit speed A Pro Il Speed Sensor configured to stream data in this format can connect directly to any serial printer PC or display sign such as the STALKER LED Speed Sign that receives ASCII data The simplest A Format message is 4 bytes in length as shown in the top table above If the Uni
52. ets moving away from it Using its direction sensing capabilities and its feature rich configuration settings it can track and report pitch speeds and hit speeds at the same time or filter out undesired targets and focus on your targets of interest Depending on the model purchased the STALKER Pro Il Speed Sensor connects via an RS 232 or an RS 485 link to the serial port on a PC or other controller This interface is used to configure the unit and to monitor the speed data it sends out The Speed Sensor can be configured to report the speeds of targets it acquires in many formats from short ASCII character strings to larger data packets with speed and status information The RS 232 model can stream speed data and monitor for commands from the controller at the same time The RS 485 model only communicates one way at a time so it never streams data since it is the slave on the link It only responds to commands and speed requests from the controller It has the benefit of operating over longer cable distances from the controller and also multiple addressed units can be controlled from a single serial port The compact waterproof unit can be mounted almost anywhere Just supply DC power between 9 and 28 volts and the STALKER Pro Il Speed Sensor produces speed data configured for your application 2 The Target Types The STALKER Pro Il Speed Sensor is actually four different radars in one depending on its Target Type setting as listed
53. f the settings available for the Pro Il Speed Sensors are listed below in numerical order of the Setting ID The Setting ID column shows the setting ID number in decimal and hexadecimal representations The Setting Description column shows the setting names It also has references to the section in Appendix C where the setting is described in detail The Default Setting column contains the factory default values for each setting V in this column means that the setting is not used to configure a setting It is used to request an action or status from the Speed Sensor The Available Values column shows all possible values for each setting i ID a ene Setting Pesciption Derauh Available Values ppendix C Ref Setting Dec Hex E 0 Outbound 2 0x02 Sa se i Configuration 1 1 Inbound i 2 Both 4 0x04 Range Po 7 0 min 7 max 0 7 coding values 1 Basic Configuration correspond to 1 8 user values 0 Off 10 200 1 5 11 300 2 10 12 400 3 15 13 500 Low Speed Threshold in 4 20 14 600 7 0x07 MPH 7 _ 1 Basic Configuration 5 30 15 700 6 40 16 800 7 50 8 60 9 100 0 150 5 600 High Speed Threshold in 1 200 6 700 11 OxOB MPH 0 2 300 7 800 1 Basic Configuration 3 400 8 Off 4 500 Alarm Speed Threshold 0 1500 12 ee 4 AUX Pin Functions 1309 can be a two byte value Peak Speed Enable 0 Disabled 13 0x0D 1 Basic Configuration 1 1 Enabl
54. guration Value field 36 11 Service Information A Check List Before Servicing the Pro Il Speed Sensor e Check the Connections If you are having a problem with your Pro II Speed Sensor first make sure it is connected properly The cables and interface boxes for the RS 232 units are different than those for the RS 485 units Refer to Section 4 on physical connections for details e Check the Communications Path Make sure that basic communications are working between the Speed Sensor and the PC or controller Refer to Section 5 for details on communications e Check the Settings Make sure that the configuration settings are correct for your application Refer to Section 6 regarding configuration e Call Customer Service If the problem is not rectified with these steps call Customer Service at 1 877 STALKER for help A service representative will determine if the unit needs to be sent to the factory Factory Service Center Address Applied Concepts Inc Attn Repair Department 2609 Technology Drive Plano TX 75074 1 877 STALKER Toll Free Phone 972 801 4807 Fax 972 398 3781 Warranty Information The Pro Il Speed Sensor is covered for One 1 Full Year Parts and Labor against defects in workmanship parts or materials and is guaranteed to operate within specifications for that period STALKER Radar will repair or replace at their option any component or system found to be defective The customer is respon
55. he application reads its configuration and initializes itself for operation Click on About on the menu bar and a smaller window pops up as shown below It identifies the version of the Scoreboard application software running on the PC in this case it is 2 0 0 0 It also identifies the version of software loaded into the Speed Sensor here it shows version 1 0 1 for the RS 232 model of the Pro Il Speed Sensor The display of this version is assurance that the unit is powered and communicating since the application must poll it to find out this information H About Stalker Scoreboard DAR I Stalker Score Board Version 2 0 0 0 Attached Radar Pro Il Speed Sensor 232 Ver 1 0 1 Radar Address 2 Copyright 2009 2010 Stalker Radar 5 3 Troubleshooting Communication Issues If the unit is not communicating with the PC the problem could be a power problem with the Speed Sensor or a communication link problem between the PC and Speed Sensor If no Speed Sensor is found when the app is opened it displays the following screen Sensor Not Found Options The Config File indicates this is an RS 232 Unit a mea Make sure the unit is powered up and click on the Search button The Scoreboard app then tries different baud rates in an attempt to find the Speed Sensor as shown Auto Baud SE Testing Cancel Trying 300 baud on COM1 Trying 600 baud on COM1 12 To manually change the serial port or the baud
56. ic Configuration 0 1 Lock Fork Mode 0 Fork mode off normal oe 5 Testing 3 1 Fork mode on non directional 0 Continuous 60 ox3c Radar Trigger Mode 0 1 Start Stop 4 AUX Pin Functions 2 Lock 1 Request the return of a three byte 79 ox4F Get Product Type y code associated with the product 6 System model read only mene Setting Description pe rault Available Values bee Hex Appendix C Ref Setting 1 Request the return of an ASCII 81 0x51 Get Software verion A y string containing the software version System read only 0 0 sec 6 6 sec 1 1 sec 7 7 sec Auto Clear Delay 2 2 sec 8 8 sec 88 0x58 3 Speed Presentation 2 3 3 sec 9 9 sec 4 4 sec 10 10 sec 5 5 sec 11 Off 0 Carriage Return only a 1 Carriage Return Line Feed 101 0x65 Massage Jonmnanon ENAR 0 2 Units and Carriage Return j 3 Units and Carriage Return Line Feed Peak Message Type 0 Continuous 102 0x66 2 Bie it eens 0 Single 0 Baseball Target T pe 1 Carnival 103 0x67 7 1 Basic Configuration 0 2 Car 3 Tennis 0 Last Live 104 oxeg Format A Speed 1 1 Peak 2 Serial Port Configuration 2 Hit Hit Speed Enable 0 Disabled 105 0x69 1 Basic Configuration 0 1 Enabled 116 0x74 Speed Sensor Address 2 2 254 0x02 OxFE 6 System Appendix E Configuration Protocol Refer to Section 10 on Custom
57. ill not report targets Likewise the radar will not report speeds higher than the High Speed Threshold setting 11 These settings can be used together to define a speed range to filter out undesired targets When monitoring for high speed indoors don t be surprised to see speeds generated by fluorescent lights other electrical sources moving rotating objects or vibrating objects Because of the great sensitivity of the Pro Il Speed Sensor indoor use will usually require a lower Range setting Setting values for Low and High Speed Thresholds are retained separately for each target type Be sure to select the Target Type prior to setting the Low and High Speed Threshold settings to ensure you are setting up the correct Low and High Speed cutoffs The default threshold settings for each target type are defined in the Recommended Basic Settings below The available settings also depend on the type of units selected Those shown in Appendix D are for MPH units When reading the configuration of the unit as described in Section 6 1 the MPH values will show in the grid When configured for different Units the columns in the tables below show the converted thresholds in those units These converted thresholds show in the Low and High Speed Threshold softkeys on the Scoreboard s main window Units Low Speed Threshold Go i5 20 30 40 50 60 200 300 400 00 600 700 6 24 32 48 64 85 97 161 322 483 644 805 966 i26
58. ing to its expected address Make sure the unit is the only one on the link and send the Get Speed Sensor Address command 116 to the broadcast Destination Address 255 OxFF As long as the baud rate is correct the unit will respond back using its address as the Source Address in the response packet All of the methods get change and set use the same packet format defined in Appendix E The differences are in the use of the Command ID and the Configuration Value fields e The change command and the get command are similar in that the Command ID field is set equal to the Setting ID in hex from the list of settings in Appendix D o Fora change command the Configuration Value is set to 1 to instruct the Speed Sensor to increment the value by 1 and return it change 1 If the incremented value exceeds the legal range for the setting the value rolls around to the lowest value in the range 35 o Fora get command the Configuration Value is set to 0 basically instructing the Speed Sensor not to increment the current value but to simply return it This is essentially a change 0 command e Fora set command the Command ID field is set equal to 0x80 plus the Setting ID value in hex from the list in Appendix D essentially turning on the high order bit The Configuration Value field is set to the new desired value In the response packet the Speed Sensor inserts the value of the requested setting in the Confi
59. ion files discussed above They can be changed in the file and saved for custom user default values 6 5 1 Factory Defaults The factory defaults for each setting are listed in Appendix D To return all values to their factory defaults perform the following sequence e Turn the Speed Sensor off using the switch on the Programming Box e Press and hold the red Reset button on the box or ground the AUX pin while turning the unit back on e Release the red button after 2 or 3 seconds e Turn the unit off briefly and then back on again e All configurable settings are now set for factory defaults Be careful using this method because all of the Speed Sensor s settings are changed back to factory defaults If some settings had been configured for a custom application 19 they will need to be set again Keep in mind that if an RS 485 unit s address has been changed from the factory default of 2 it will not be changed back to 2 it retains its address unless changed using the procedure in Section 4 3 6 5 2 Configuration File Defaults To configure the Speed Sensor with the default values in the currently selected configuration file select the Initialize Radar With Config File Defaults from the Config pull down menu Make sure that the desired configuration file is selected as described in the beginning of Section 6 before initializing with defaults Stalker Scoreboard Configure Pro Il Speed Sensor 232 1 0 1 cfg Monig Op
60. lable files that can be uploaded to the unit ES Program Unit SEE Double Click Program Image DP Program Files 010110 hoan Stalker 3 Pro II eyy 010116 1933 3pro2_100 p Select the program that is to be uploaded to the unit in this case s3pro2_101 p located under the Stalker S3 Pro Il section In this example this program is the latest version available for the Pro Il Speed Sensor Double click on the icon of the desired version and click on OK on the popup window After a pause of a few seconds the program will start to upload the code and a progress meter will show at the bottom of the Program Unit window When the upload is complete another popup window will appear to announce a successful upload 30 9 Configuring the Stalker Scoreboard Application The Stalker Scoreboard application for communicating with and configuring Pro II Speed Sensors consists of a set of files which reside on the PC The Developer s Kit CD provided with the Speed Sensor Programming Box Kits installs all of the files listed below in italics on the user s PC under the C Program Files Stalker folder For installations on 64 bit Vista or Windows 7 PC s the files will be under the C Program Files x86 Stalker folder ScoreBoard exe is the PC application executable file used to control and communicate with the Speed Sensors ScoreBoard ini is the control file for the application These two files are installed in the C
61. ler They never send any data without receiving a request first The other benefit of RS 485 communications is that from a single COM port one controller can control multiple speed sensors all connected to the same pair of wires This type of link configuration is called point to multipoint For this to work each of the speed sensors must have a unique address so that the controller can direct commands to one unit at a time or broadcast commands to all units at the same time The address of each RS 485 unit as shipped from the factory is 2 It can be set toa different address using the protocol described in Section 10 Once the address is changed in this manner the unit will retain the new address until changed using the same method A hard reset of the unit or loading a new version of software changes other configuration settings to the factory defaults but the unit s address does not change Using the RS 485 version of the Developer s Kit 200 0864 00 the connection between the Speed Sensor and the RS 232 PC controller runs over the 155 2239 02 Speed Sensor Power and I O Cable through the box where the data signals are converted from RS 485 to RS 232 and to the PC controller s 9 pin D serial port over the 155 2130 00 RS 232 Straight Through Cable Do not replace this RS 232 cable with a null modem cable which will swap the transmit and receive wires Some PCs are not configured with the recommended 9 pin D serial ports and have
62. lts Connect pin 5 to the source s ground return The Speed Sensor draws less than 5 A of current at a nominal 12 VDC NOTE When mounting the Speed Sensor on a metal structure electrically isolate the Speed Sensor from the metal structure The Standard Mounting Bracket kit listed in Appendix F is supplied with nylon shoulder washers which electrically isolate the Speed Sensor from the mounting bracket 4 2 Connecting to an RS 232 Controller Using the RS 232 version of the Developer s Kit 200 0863 00 the connection between the Speed Sensor and the RS 232 PC controller runs over the 155 2223 00 Speed Sensor Power and I O Cable through the box and to the controller s 9 pin D serial port over the 155 2130 00 RS 232 Straight Through Cable Do not replace this RS 232 cable with a null modem cable which will swap the transmit and receive wires Some PCs are not configured with the recommended 9 pin D serial ports and have USB ports instead In these cases acquire a USB to serial port adapter to perform the necessary conversion These products vary and may or may not work well In some cases they provide undesirable buffering and delay and a different brand should be used The USB to Serial Adapter Cable listed in Appendix F is available from Stalker Radar For custom user cabling the serial connection uses pins 1 4 and 5 of the Speed Sensor connector Pin 1 is the Receive Data pin for data transmitted from the controller toward
63. lues changed in the returned packet are the Destination Address Source Address Configuration Value and the Checksum The Payload Length may also change depending on the length of the returned Configuration Value The PC or controller is always defined to be the master Address 0x01 so commands from the controller will always have 0x01 as the Source Address and responses from speed sensors will always have 0x01 as the Destination Address The address for all RS 232 units is 0x02 and can not be changed since there can only be a single Speed Sensor on the RS 232 link Multiple RS 485 units can work simultaneously on a single link to the controller The address of each one must be unique and in the range of 2 254 0x02 OxFE Address 0 is undefined and should not be used Address 255 OxFF is the broadcast address Every unit on the link acts on commands sent to Address 255 so a controller can for example turn all the radar transmitters on or off with a single command Be aware that each unit also sends a response packet to a broadcast command and that the responses are likely to be garbled on the shared link For this reason always disregard responses to broadcast commands unless there is only one Speed Sensor on the link If the response from a single unit on a multipoint link is desired always address that unit in the command Another good use for a broadcast command is to find out the address of a Speed Sensor that may not be respond
64. nterfere with a radar gun in the receiver s frequency range What Does Interference Do Interference can cause a radar gun to read random readings or make it harder for the radar gun to see the intended target Random readings are an obvious sign that there is interference However a loss of sensitivity can be subtle A common situation occurs when a large number of professional baseball scouts operate many radar guns in close proximity A loss of sensitivity can cause the radar gun to be unable to see far enough away to get the ball speed right when it leaves the pitcher s hand Then as the ball gets closer to the plate the radar is able to get a reading but only after the ball has slowed down The result the peak speed registers lower than the actual release speed Sources of Interference There are two main sources that can cause ghost random readings in radar guns electrical devices and objects that move or vibrate e Electrical sources include television monitors fluorescent lights cellular phones computers some radio transmitters and power transformers e Moving or vibrating objects include ventilation fans PC fans motors and blowing debris that can produce a nearly constant speed reading Ways to Eliminate Interference If you are experiencing erroneous readings try these solutions e Change your position to affect where the gun is aimed e Lower the sensitivity by changing the Range to a lower setting 27
65. nts As an input the AUX pin can be configured as a remote radar trigger e In Continuous mode the radar transmitter is on while the AUX pin is grounded red Reset button held down and off when it is released Before using this mode change the Transmit Hold status on the main screen to Hold to allow the AUX pin to control the transmitter 28 e In Start Stop mode the radar transmitter turns on the first time the AUX pin is grounded and released and stays on until the AUX pin is grounded and released again Before using this mode also change the Transmit Hold status on the main screen to Hold to allow the AUX pin to control the transmitter e When monitoring the speed of a vehicle while the Target Type is set for Car the AUX pin can act in Lock mode The radar transmitter is forced on and grounding the AUX pin alternately locks and releases the live target speed Used as a speed alarm output the AUX pin is grounded by the Speed Sensor when target speeds are below the Alarm Speed Threshold When the target speed is equal to or greater than the threshold the AUX pin is set to 3 3VDC The output of the Aux pin is limited to a maximum of 10mA A buffer circuit is required to drive a mechanical relay or some other external warning device When configured for Doppler audio the Speed Sensor outputs an audio sine wave ata frequency relative to the target s speed This can be helpful when tracking vehicles in Car mode With squelch the au
66. on a speed sign or print out e Zero ASCII Zeros are used for leading zero characters 5007 050 5005 000 e Space ASCII spaces are used for leading zero characters 5500 50 o ogr o oo e None For the A A1 Format leading zero characters are not transmitted and the message length is reduced by the number of skipped zeros 5500 507 gr vo For formats other than A A1 Format the speed fields are fixed length so if None is selected the leading zeros will be replaced with ASCII spaces The Message Termination setting 101 only applies if the Message Format is set for the A A1 Format It defines the way each A A1 Format message is terminated Examples below show the ASCII string that would be sent with each setting for a 100 mile per hour speed message The O0x0D and Ox0A nomenclature used below represents the hexadecimal values used in serial data transmission to control a printer or display cursor position The 0x0D character represents a carriage return which moves the cursor back to the first character in the current line The Ox0A character represents a line feed which moves the cursor down to the next line e Carriage Return only Each message is terminated with only a carriage return This is the default setting 100 0x0D e Carriage Return Line Feed Each message is terminated with a carriage return followed by a line feed 100 0x0D 0x0A e Units
67. onfiguration of a Speed Sensor using the PC application Section 7 describes operation of a Speed Sensor using the Stalker Scoreboard application Section 8 describes updating the software in the Speed Sensor Section 9 describes the control files used to configure the Stalker Scoreboard application and how to tailor their operation to specific user needs Section 10 describes the Speed Sensor configuration control protocol to aid users in developing their own custom applications Section 11 provides service and warranty information Section 12 lists the Speed Sensor specifications The appendices at the end of the manual contain detailed information for in depth understanding of speed sensor operation Appendix A contains detailed descriptions of the data fields in the streaming speed data protocols Appendix B contains the same type of information for the handshake polled speed data protocols Appendix C contains detailed descriptions for each of the control and configuration settings available on the speed sensor They are arranged in groups of related function Appendix D contains a table with all of the control and configuration settings listed by ID number It shows all of the available settings and the factory default setting for each Appendix E contains a description of the data fields for the protocol used to control and configure speed sensors Appendix F lists speed sensor accessories available from Stalker Radar 4 Conne
68. ould be set for 19200 or higher For a full bE Format message containing three speed blocks the Serial Port Baud Rate should be increased to 38400 Notes Unit Configuration byte Bit 7 6 always 01 to force displayable ASCII characters Bit 5 always 0 Bit 4 unit resolution O ones 1 tenths Bit 3 2 always 00 Bit 1 peak speeds enabled 0 disabled 1 enabled A 5 Bit 0 fork mode 0 off normal 1 fork mode enabled Unit Status byte Bit 7 6 always 01 to force displayable ASCII characters Bit 5 0 always 000100 Speed Block Status byte Bit 7 6 always 01 to force displayable ASCII characters Bit 5 3 always 000 Bit 2 secondary target direction O outbound 1 inbound Bit 1 primary target direction O outbound 1 inbound Bit 0 transmitter status O Hold 1 Transmit Speed Block Type Primary Speed Secondary Speed Live Speed Block Live Speed Locked Live Speed Peak Speed Block Peak Speed Highest Peak Speed Hit Speed Block Hit Speed unused ASCII spaces bE Format for Speeds Greater than 999 9 If either the primary or secondary speed is greater than 999 9 it will not fit in the standard Speed Block defined above because there are no bytes defined for thousands digits In this case an alternate Speed Block is defined as shown below with Speed ID s 7 8 and 9 analogous to the standard Speed ID s of 4 5 and 6 Depending on the magnitude of the speeds there ma
69. r understanding of the settings 1 Basic Configuration SETTING ID Transmitter Control 42 Target Type 103 Target Direction 2 Range 4 Units 20 Unit Resolution 21 Peak Speed Enable 13 Hit Speed Enable 105 Low Speed Threshold 7 High Speed Threshold 11 Live Target Lock 43 The Transmitter Control setting 42 turns the radar transmitter on Transmit or off Hold The transmitter must be on for the radar to register speeds and this is its default value The Target Type setting 103 controls what type of target the radar is looking for The options are Baseball the default Carnival Car and Tennis Refer to Section 2 for a full description of each type Using the Target Direction setting 2 the unit can be configured to monitor targets moving away from the radar Outbound targets moving toward the radar Inbound is the default or targets moving in either direction Both For Baseball and Tennis target types the target direction corresponds to the direction of the pitch or serve Hit speed is measured in the opposite direction Hit speeds are not reported if the target direction is set for Both The Range setting 4 affects the sensitivity clocking distance and target size of the radar The value is in the range from 0 to 7 A higher number increases the radar s C 1 sensitivity and lengthens the clocking distance On the highest setting it looks as far away as possi
70. rom 300 to 115200 bits per second The default value is 9600 Regardless of the baud rate the serial port is always configured for 10 bit asynchronous data with 1 start bit 8 data bits 1 stop bit and no parity 8N1 After the baud rate setting has been changed in the speed sensor it does not take effect until the unit has been powered off and back on Refer to Section 6 4 for more details on the steps to take to coordinate the baud rate of the unit and the baud rate of the Scoreboard application The Speed Sensor can transmit speed and status messages out the serial port in different formats for different applications The Message Format setting 30 selects the format for transmitted messages Refer to Appendices A and B for details on the message contents for different formats The A Format is the default message format The RS 485 Speed Sensor model can not be configured to stream out continuous speed data because it would never be able to receive a command from the controller For this reason it is limited to the EE and EA handshaking formats in Appendix B and only sends out a speed message when requested or polled by the controller The RS 232 model can be configured to stream speed data messages in any of the formats described in Appendix A and it can also operate in EE polling mode When configured for a streaming message format the Speed Sensor sends a message each time the radar generates a new internal speed measurement just
71. s reported as 585 The decimal point is assumed Therefore a b Format message can carry a maximum speed in tenths of 99 9 To ensure that each message in this format is sent out before time to start the next one the Serial Port Baud Rate should be set for 9600 or higher Notes Unit Configuration byte Bit 7 6 always 01 to force displayable ASCII characters Bit 5 lock status O no speed locked 1 speed locked Bit 4 target direction O inbound 1 outbound Bit 3 fork mode 0 off normal 1 fork mode enabled Bit 2 always 0 Bit 1 always 1 Bit 0 transmitter status O Hold 1 Transmit Unit Status byte Bit 7 6 always 01 to force displayable ASCII characters Bit 5 3 always 000 Bit 2 peak speeds enabled 0 disabled 1 enabled Bit 1 0 always 00 A 4 bE Format All Speeds Status Byte Description Value 1 Message Type 0x88 2 Unit Configuration see detail below 3 Unit Status see detail below 4 6 reserved bytes ASCII 0 or space 7 Number of Speed Blocks Reported ASCII 1 through 3 One for live speed one for Peak Speed if enabled one for Hit Speed if enabled Fifteen bytes for each Speed Block 1 Speed ID ASCII 4 Live Speed Block ASCII 5 Peak Speed Block ASCII 6 Hit Speed Block 2 Speed Block Status see detail below 3 Primary speed hundreds digit ASCII 0 through 9 or space 4 Primary
72. s turned on the box is not 13 getting power Make sure the power source is on and has a good connection to the box The cigarette plug has an internal fuse that can be checked Unscrew the knurled knob on the nose of the plug to access the fuse Replace it with one of the same size and ratings if it is blown If the green LED does come on power is making it to the box but maybe not to the Speed Sensor Unscrew the Speed Sensor Power and I O Cable from the unit and measure for proper voltage 9 28 VDC between pins 2 and 5 on the cable 14 6 Configuring the Speed Sensor When viewing the main screen of the Scoreboard application the name of a configuration file is displayed in the title bar e g Configure Pro Il Soeed Sensor 232 1 0 1 cfg This file defines all of the configurable settings that are available on a particular model of Speed Sensor and is fully described in Section 9 2 Since features and settings are added and changed in different versions of software the filename also includes the version 1 0 1 that the file s settings apply to If the filename is for a different unit or version open a list of other available configuration files by selecting Select New Startup Config File from the Config pull down menu Stalker Scoreboard Configure Pro II Speed Sensor 232 1 0 1 cfg eonig Options About Destination Address 2 Edit Firmware Yalues Select New Startup Config File Initialize Radar With Config Fil
73. se of an odd number of bytes 0x00 is used as the last MSB value See example below 11 Checksum MSB see above The following is an example showing a command to set UNITS to km h Description Value 1 Start ID 0xEF 2 Destination Address 0x02 3 Source Address 0x01 4 Packet Type 0x00 5 Payload Length LSB 0x03 length 0x0003 3 bytes 6 Payload Length MSB 0x00 7 Command ID 0x94 0x14 Setting 20 0x80 set method 8 Antenna Number 0x00 9 Configuration Value 0x01 km h 10 Checksum LSB 0x88 11 Checksum MSB 0x03 Checksum 0x0388 truncated to the low order 2 bytes OxO2EF 0x0001 0x0003 0x0094 0x0001 Appendix F Accessories RS 232 Speed Sensor Accessories ACI P N Accessory Description 200 0863 00 RS 232 Pro Il Speed Items in this table marked with are Sensor Developer s Kit included in this kit with the programming box The box provides a cigarette plug for power input connections for the Speed Sensor and serial port cables an on off switch a reset button and auxiliary I O access 200 0865 00 Scoreboard PC Installation CD containing the Scoreboard Application CD PC application and user manual 155 2130 00 RS 232 Straight Through Connects the Programming Box to a PC Serial Cable RS 232 serial port 155 2223 00 Speed Sensor Power
74. sible for shipping the defective product to the factory freight prepaid and STALKER Radar will pay for the return shipping via UPS ground service back to the customer Any expedited air shipping charges are to be paid by the customer This full warranty does not cover damage due to dropping water salt improper voltage fire attempted repairs or modifications by an unauthorized service agent or any other abuse of any kind 37 12 Specifications GENERAL SPECIFICATIONS Product Type Stationary Doppler Radar Speed Sensor Processor Digital Signal Processor Operating Temperatures 30 C to 70 C 22 F to 158 F 90 relative humidity Storage Temperatures 40 C to 85 C 40 F to 185 F MICROWAVE SPECIFICATIONS Operating Frequency 34 7 GHz Ka band Frequency Stability 100 MHz Antenna Type Conical Horn Polarization Circular 3 db Beam Width 12 1 Microwave Source Gunn Effect Diode Receiver Type Two direct conversion homodyne receivers using four low noise Schottky barrier mixer diodes Power Output 10 mW minimum 15 mW nominal 25 mW maximum Power Density 1 mW cm maximum at 5 cm from lens The Federal Communications Commission requires that all transmitting equipment carry a Grant of Type Acceptance The STALKER Speed Sensors comply with Part 90 of the FCC rules and are Type Accepted by the FCC under Type Acceptance number IBQACMI002 The FCC also requires that an operating license be obtained by the user of
75. speed tens digit ASCII 0 through 9 or space 5 Primary speed ones digit ASCII 0 through 9 or space 6 Primary speed tenths digit ASCII 0 through 9 or space 7 Secondary speed hundreds digit ASCII 0 through 9 or space 8 Secondary speed tens digit ASCII 0 through 9 or space 9 Secondary speed ones digit ASCII 0 through 9 or space 10 Secondary speed tenths digit ASCII 0 through 9 or space 11 15 reserved bytes ASCII Space 0x20 Last Byte Carriage Return 0x0D The bE Format can report multiple speeds in each message live peak hit as well as configuration and status information It always contains a live speed block It also contains a peak speed block if peak speeds are enabled using the Peak Speed Enable setting 13 and a hit speed block if hit speeds are enabled using the Hit Speed Enable setting 105 A Pro Il Speed Sensor configured to stream data in this format can connect directly to a STALKER LED Speed Sign which is configurable and intelligent enough to choose one of the speeds live peak or hit to display It is also possible to connect the serial output of the speed sensor to three STALKER LED Speed Signs which can each be configured to display a different type of speed To ensure that each message in this format is sent out before time to start the next one if the message contains one or two speed blocks the Serial Port Baud Rate sh
76. t Resolution setting 21 is configured for speeds in tenths the format includes a decimal point and tenths digit as shown in the second table above Other configuration settings also affect the content and length of A Format messages and are covered in detail in the Serial Port Configuration section of Appendix C they are Format A Speed 104 Leading Zero Character 23 and Message Termination 101 To ensure that each message in this format is sent out before time to start the next one the Serial Port Baud Rate should be set for 9600 or higher A 2 A1 Format Single Speed Only Ones Resolution Byte Description Value 1 Speed thousands digit ASCII 0 through 9 or space 2 Speed hundreds digit ASCII 0 through 9 or space 3 Speed tens digit ASCII 0 through 9 or space 4 Speed ones digit ASCII 0 through 9 or space 5 Carriage Return 0x0D A1 Format Single Speed Only Tenths Resolution Byte Description Value 1 Speed thousands digit ASCII 0 through 9 or space 2 Speed hundreds digit ASCII 0 through 9 or space 3 Speed tens digit ASCII 0 through 9 or space 4 Speed ones digit ASCII 0 through 9 or space 5 Decimal Point Ox2E 6 Speed tenths digit ASCII 0 through 9 or space 7 Carriage Return 0x0D As a comparison of the A1 Format tables above with the A Format
77. tables on the preceding page shows the A1 Format is exactly like the A Format except that A1 includes a byte for a thousands digit All notes for the A Format also apply to the A1 Format Some devices that accept and display speeds in the A Format may not work with the A1 format due to the extra digit A 3 b Format Multiple Speeds Status Byte Description Value 1 Message Type 0x81 2 Unit Configuration see detail below 3 Unit Status see detail below 4 unused byte ASCII 0 or space 5 unused byte ASCII 0 or space 6 unused byte ASCII 0 or space 7 Locked speed hundreds digit ASCII 0 through 9 or space 8 Locked speed tens digit ASCII 0 through 9 or space 9 Locked speed ones digit ASCII 0 through 9 or space 10 Peak speed hundreds digit ASCII 0 through 9 or space 11 Peak speed tens digit ASCII 0 through 9 or space 12 Peak speed ones digit ASCII 0 through 9 or space 13 Live speed hundreds digit ASCII 0 through 9 or space 14 Live speed tens digit ASCII 0 through 9 or space 15 Live speed ones digit ASCII 0 through 9 or space 16 Carriage Return 0x0D The b Format reports multiple ASCII speeds plus unit configuration and status bytes When the Unit Resolution setting 21 is set for tenths the speeds reported are multiplied by ten 58 5 MPH i
78. ted using the Cosine Angle settings 18 and 19 They can be set in one degree increments in the range from 0 to 45 degrees and the default for both is 0 degrees The accuracy of the corrected speed is directly dependent on the accuracy of the estimated angle that is set Radar Gun Placement 7 we Ideal ee pe Placement _ 7 P T N pee ine of Trave CJ Pg eo S e s Target men gt gt Object se ES Fe ae r 35 Degree TO Ss P of Angle ee as pen io Alternate _ aa Placement eal _ fr A C 6 Two cosine angle settings are provided so two corrections can be made simultaneously The two settings are independent and interchangeable Either one can be used by itself or with the other as a pair One cosine angle setting might be used for the horizontal alternate placement angle shown in the diagram above The other might be set for the vertical above the field angle if the Speed Sensor is mounted on a pole When the aim of the radar is aligned with the target s path the angles should be set for 0 degrees and no correction takes place 4 AUX Pin Functions SETTING ID AUX Pin Configuration 16 Radar Trigger Mode 60 Alarm Speed Threshold 12 The AUX Pin Configuration setting 16 sets up the AUX pin for a variety of functions It is turned off by default but it can be enabled as an input to the Speed Sensor for Radar Trigger functions or as an output from th
79. the equipment PERFORMANCE SPECIFICATIONS Speed Range Max target speed 890 MPH Min target speed lt 1 MPH Accuracy 0 3 In ones resolution speeds are rounded down to nearest integer In tenths resolution speeds are rounded down to nearest tenth Maximum Clocking 500 Feet for baseballs Distance 1 Miles for an average auto Audio Output Raw 3 3 V analog audio output signal is provided for Doppler audio must be filtered and amplified for best audio quality Speed Alarm Output With speeds below the Alarm Threshold the Aux pin output is OV With speeds at or above the Alarm Threshold the Aux pin is 3 3V and can drive 10mA ELECTRICAL SPECIFICATIONS Supply Voltage 9 28 VDC Current at 12 VDC Transmitter On 390 mA nominal Transmitter Off 138 mA PHYSICAL SPECIFICATIONS Weight 1 15 Ib 0 52 kg Diameter 2 6 in 6 7 cm Length 4 7 in 11 8 cm Case Material Aluminum die cast 38 Appendix A Streaming Speed Data Protocols When a streaming protocol is selected on the RS 232 model the Speed Sensor sends continuous speed updates in the selected output format at a specified message period When one of these protocols is selected on the RS 485 model the Speed Sensor sends only a single message in the selected output format in response to each EA Poll from the controller Refer to the Serial Port Configuration section in Appendix C for settings that affect the content and timing of these messag
80. the pages to be printed can be selected by clicking on Print Preview To print the pages select Print from the Options pull down menu A dialog box opens to allow entry of a report title Then a Windows Print screen appears for you to select a printer to print the report to Select the desired printer or use the default printer The table of configuration values prints with the title entered above at the top of each page ES Config Settings Download Sensor Yalues from Connected Sensor Upload Proposed alues To Sensor Upload Default alues To Sensor Save Sensor Yalues To New File As Defaults Copy Defaults to Proposed or Click Header Copy Sensor to Proposed or Click Header Pin Functions Testing System Proposed Yalue Default Value Print Preview v Transmit Baseball Inbound 8 MPH Target Type Baseball Baseball Target Direction Inbound Inbound Range 8 8 Units MPH MPH Ones Enabled Enabled 50 150 v II v v v v Unit Resolution Ones Ones Peak Speed Enable Enabled Enabled Hit Speed Enable Enabled Enabled Low Speed Threshold 50 50 High Speed Threshold 150 150 AE 21 7 Operating the Speed Sensor 7 1 Scoreboard Application Main Screen The main screen for the Scoreboard application is shown below It has fields showing Speed Sensor status as well as softkeys for control of the unit
81. tion 11 away 00 neither fork 01 closing Bit 12 unused Bit 11 0 speed in selected units and unit resolution 4 Check byte Bytes 1 4 sum to 0 mod 256 EA Format Request messages are like those for EE but they contain Destination and Source Addresses as shown below The source address is always 1 for the controller The destination address can be any value in the range from 2 through 254 and only a Speed Sensor with that address will respond Its response to the EA poll is to send a single speed message in the format selected by the Message Format setting 30 A b bE S or EE Only RS 485 models respond to EA Format polling EA Format Request from Controller to Speed Sensor Check byte Description Value 1 Start ID OxEA 2 Destination Address 0x02 OxFE 2 254 3 Source Address 0x01 4 Bytes 1 4 sum to 0 mod 256 Appendix C Configuration Setting Descriptions All the control and configuration settings available for the Pro Il Speed Sensor are described in this appendix Here they are arranged in the following groups of related function Basic Configuration Serial Port Configuration Speed Presentation AUX Pin Functions Testing System OE oN The table in Appendix D lists all the settings in order of Setting ID number It shows all possible values and the factory default value for each setting Refer to the table while reading this appendix for a bette
82. tions About Destination Address 2 Edit Firmware Yalues Select New Startup Config File Initialize Radar With Config File Defaults F P 4 Target Type Target Direction Low Speed High Speed 7 Threshold Threshold Baseball Inbound 50 150 Transmit Hold Fork Mode Transmit Off Rolldown Speed Highest Pitch Speed Polling Config Streaming A RS 232 The default values in the standard configuration files available from Stalker Radar are equal to the factory defaults listed in Appendix D If changes are made to values for a custom configuration they may be saved as default values in a new configuration file for later use Once all changes are made select Save Sensor Values To New File As Defaults from the Options pull down menu in the Config Settings window EB Save Grid To File Destination Directory C Program Files Stalker Configuration Utilities Browse E Save As Startup Config File Save the new configuration file with a name describing the custom application The next time Select New Startup Config File is selected from the Options pull down the new 20 file will be available also If the box above is checked for Save As Startup Config File the newly created file name will appear in the title bar and that file is then used for the configuration tasks 6 6 Printing Configuration Values The current configuration settings in a Speed Sensor can easily be printed for a record of values A preview of
83. y be a mix of standard and alternate speed blocks in a complete bE message packet STALKER LED Speed Signs with software version 3 3 or earlier do not recognize the new Speed ID s of 7 8 and 9 They will not display speeds higher than 999 Fifteen bytes for alternate Speed Block Speed ID ASCII 7 Live Speed Block ASCII 8 Peak Speed Block ASCII 9 Hit Speed Block Speed Block Status see detail below Primary speed thousands digit ASCII 0 through 9 or space Primary speed hundreds digit ASCII 0 through 9 or space ASCII 0 through 9 or space Primary speed ones digit ASCII 0 through 9 or space Primary speed tenths digit ASCII 0 through 9 or space 2 3 4 5 Primary speed tens digit 6 7 8 Secondary speed thousands digit ASCII 0 through 9 or space 9 Secondary speed hundreds digit ASCII 0 through 9 or space 10 Secondary speed tens digit ASCII 0 through 9 or space 11 Secondary speed ones digit ASCII 0 through 9 or space 12 Secondary speed tenths digit ASCII 0 through 9 or space 13 15 reserved bytes ASCII Space 0x20 A 6 S Format Multiple Speeds Status Byte Description Value 1 Message Type 0x83 2 Peak target direction A away outbound

Stalker Speed Sensor User Guide - Mega-Tech

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