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CHAPTER 8

•

VERIFY CHANNELS-ALERTS-ZONES

Dynamic Density

The Dynamic Density parameters determine the number of trackers that are required to

meet the specified level of efficiency.

Figure 8.15 describes the text displayed when the Qualified Count is lower than, equal to,

or higher than the Dynamic Density thresholds. The number of qualified detections is fol-

lowed by a percentage number. The percentage is the count ratio of the current number of

qualified detections divided by the DDCR (see Figure 8.16).

Detected

Qualified Count

Dynamic Density

Threshold

Displayed Text

02 (050%)

04 (100%)

06 (150%)

Figure 8.15 – Display Text for Dynamic Density Zone Types

(DDCR)

Percentage

Number of Qualified Detections

x 100%

Figure 8.16 – Percentage Equation

The zone output will be activated when the count ratio is equal to or greater than 100

percent. The percentage is displayed in the roadway display to help you tune the Dynamic

Density parameters and extend the green light when desired.

Note

It is recommended that you adjust the Tuning Factor instead of the Headway and
%Utilization parameters.

Содержание smartsensor advance

Страница 1: ...SmartSensor Advance USER GUIDE...

Страница 2: ...SmartSensor Advance USER GUIDE www wavetronix com 78 East 1700 South Provo Utah 84606 801 734 7200...

Страница 3: ...ch state that operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that...

Страница 4: ...ay 17 Apply ing Silicon Dielectric Compound 19 Connecting the Smart Sensor 6 conductor Cable 20 Grounding the Sensor 21 Chapter 3 Connecting Power and Surge Protection 23 Mounting the Backplate 24 Con...

Страница 5: ...munications 101 Configuring Data Push Parameters 101 Chapter 11 Templates 105 Creating a Channel Template 106 Importing a Channel Template 106 Copying Pasting Channels Alerts and Zones 108 Chapter 12...

Страница 6: ...n SmartSensor Advance Extended Range allows you to prioritize dilemma zone protection based upon the discov ery range of trucks and passenger cars SmartSensor Advance and SmartSensor Advance Extended...

Страница 7: ...uctor cable SmartSensor Advance preassembled backplate SmartSensor Manager Advance SSMA software SmartSensor Advance User Guide SmartSensor Advance Quick reference Guides Check the packing slip for ac...

Страница 8: ...and speeds above 35 mph 56 kph are generally considered unsafe for passenger vehicles For truck signal priority arrival times between 2 5 and 7 5 seconds ranges from 100 to 900 ft 30 5 to 274 3 m and...

Страница 9: ...The sensor can detect incoming or outgoing traffic and filters out the opposite direction traffic Usually the sensor is used to detect incoming traffic With SmartSensor Advance Extended Range incoming...

Страница 10: ...ptions see Figure I 1 1 On a vertical pole The preferred mounting location for the SmartSensor Advance or SmartSensor Advance Extended Range is often a vertical pole near the stop bar Verti cal poles...

Страница 11: ...een time is so short that vehicles in the queue clearance zone do not start moving before the minimum green timer expires The SmartSensor Advance or SmartSensor Advance Extended Range can also be moun...

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Страница 14: ...Part 1 Installing the SmartSensor Advance Chapter 1 Installing the SmartSensor Advance Chapter 2 Connecting Power and Surge Protection...

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Страница 16: ...cess including how to attach the sensor to the pole and how to correctly align the sensor Warning Caution should be used when installing any sensor on or around active roadways Serious injury can res...

Страница 17: ...sion Attaching the Mount Bracket to the Pole Before attaching the mount bracket to the pole first make sure that your cables are long enough to support the sensor height and the distance from the sens...

Страница 18: ...nd pan ning it to the left or right as necessary see Figure 1 3 The target location is typically between 30 and 80 ft 9 1 and 24 4 m upstream from the sensor in the center of the lanes of interest See...

Страница 19: ...Height Offset Target Distance Figure 1 3 Pointing the Sensor 2 Roll the sensor using the backplate while keeping it pointed at the target location to align the elliptical beam If the sensor is mounte...

Страница 20: ...t If the sensor is mounted near the outside edge of the curved road you may be able to bisect the curve with little or no roll If the road curves dramatically you may need to reduce the down tilt of t...

Страница 21: ...6 Sensor 6 conductor Cable Connector To avoid undue movement from the wind strap the 6 conductor cable to the pole or run it through a conduit but leave a small amount of slack at the top of the cabl...

Страница 22: ...Sensor Advance must now be grounded 1 Connect a grounding wire to the grounding lug on the bottom of the sensor see Figure 1 5 2 Connect the other end of the grounding wire to the earth ground for the...

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Страница 24: ...de power and surge protection to the intersection preassembled backplate located in the main traffic cabinet The intersection preassembled backplate is 11 in 28 cm wide and 11 5 in 29 2 cm high Also a...

Страница 25: ...eps to mount the backplate in the traffic cabinet 1 Locate the area planned for mounting the backplate The backplate can usually be mounted on the side panel of a NEMA style cabinet 2 Attach the backp...

Страница 26: ...Connect a neutral wire usually a white wire to the bottom side of the terminal block labeled N for neutral 2 Connect a ground wire usually a green wire to the bottom of the terminal block la beled G...

Страница 27: ...tion include Click 201 202 204 AC to DC converter A Click 201 provides 1 A of power and is capable of powering a single sensor a Click 202 provides 2 A and can power two sen sors a Click 204 provides...

Страница 28: ...4 To enable or disable DC power to the backplate press the main circuit breaker left side of upper DIN rail to enable or disable DC power to an individual sensor press the individual circuit breaker l...

Страница 29: ...ection and so there is no need to use a pole mount box for surge protection on the sensor side of the cable However it is strongly recommended that the sensor be connected to a surge protection device...

Страница 30: ...enables a multi drop shared communication bus between all sensors connected to the backplate This allows control of all Advance sensors rack cards and other connected Click devices The remaining two...

Страница 31: ...SAdvance 1 S Port A Port C Port B Port D Port A Port C Port B Port D Figure 2 7 Click 222 Ports A B C and D Terminating the 6 conductor Cables The SmartSensor Advance will receive power once each Sma...

Страница 32: ...ver into the square slot and rocking it forward The plug in terminals will automatically complete the electrical connection There is no need to manually strip the insulation on the end of each wire Th...

Страница 33: ...he contact closure cards In some cases sev eral contact closure cards can be daisy chained together However if you are using the Click 172 174 cards the chain should not be connected until each card h...

Страница 34: ...Advance Chapter 4 Communication Chapter 5 Sensor Settings Chapter 6 Sensor Configuration Chapter 7 Channels Alerts Zones Chapter 8 Verify Channels Alerts Zones Chapter 9 Setup Output Communications C...

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Страница 36: ...Sensor Advance SS200 This part of the user guide is designed to illustrate SSMA functionality and describes the basic steps and procedures needed to correctly configure the SmartSensor Advance Install...

Страница 37: ...ick the SmartSensor icon This will bring up drop down menus allowing you to select a product by name or part number 4 Select SmartSensor Advance and a list of links will appear 5 Select the SmartSenso...

Страница 38: ...reader program i e Adobe Acrobat Reader is required to view the release notes 11 Click Finish to complete the setup process Installing SSMA on a Handheld Computer If you would like to run SSMA on a ha...

Страница 39: ...l become available 3 Click the Pocket PC checkbox and then the Next button to install SSMA on a con nected Pocket PC device see Figure 3 4 If both the Computer and Pocket PC boxes are checked the setu...

Страница 40: ...figure the sensors to the roadway Launch SSMA by either clicking on the icon that was placed on your desktop or clicking the icon found in the Start menu The SSMA main screen shown in Figure 4 1 will...

Страница 41: ...tab lished After the first connection is made to the SmartSensor Advance the SSMA software will save the connection settings that were used Click the lightning bolt icon on the right side of the commu...

Страница 42: ...connect to the first sensor it finds If you have multi ple sensors and want to be able to connect to each one use the Multi drop Network tab see Multi drop Network section below Internet Connection 1...

Страница 43: ...ensor Virtual Connection A virtual connection allows you to use the SSMA software without being connected to an actual sensor Making a virtual connection can be useful for the following reasons To vie...

Страница 44: ...ing glass icon and entering a file name When you create a new virtual sensor you will need to complete two steps First you need to open the new file see Figure 4 5 Figure 4 5 Open New File Second you...

Страница 45: ...e configuration settings that you created After the file is successfully backed up the virtual sensor file will change to a sensor setup file and can be restored to any sensor in the field Selecting a...

Страница 46: ...call Wa vetronix Technical Support at 801 764 0277 for assistance Multi drop Network The SSMA software automatically discovers the multi drop ID of sensors over the selected port normally you will au...

Страница 47: ...at the bottom of the Communication page to add new con nection settings to the address book see Figure 4 10 Edits the selected device Adds a device to the Address Book Deletes a device from an Addres...

Страница 48: ...ion Shows how long you have been connected Failures Shows the amount of failures during the connection the percentage rate of failure and a link to the Communication Error Log Check Hardware After you...

Страница 49: ...rors stored in the sensor s memory buffer If you are having trouble connecting using the error log may be helpful in the troubleshooting process If you continue having trouble save the error log file...

Страница 50: ...are and the sensor Once the Version Control screen appears you can do one of the following 1 Upgrade the sensor s embedded software by clicking the INSTALL UPGRADE but ton 2 Click the close button and...

Страница 51: ...version 2 0 and later supports 128 zones 8 channels 4 alerts per channel and 4 zones per alert During the firmware upgrade process SSMA will determine if the sensor is running any previous versions If...

Страница 52: ...s link on the main menu to change and save settings on the sensor The Sensor Settings window contains General and Communication tabs see Figure 5 1 Figure 5 1 Sensor Settings Screen General Tab The Ge...

Страница 53: ...nce devices in close proximity will require each one to be set to a different RF channel Similarly using multiple SmartSensor Advance Extended Range devices in close proximity will re quire each one t...

Страница 54: ...as the data bus and is normally left at 9600 bps in order to match the default setting on a Click 112 114 card If you change this baud rate on the sensor you will also need to change it on the rack c...

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Страница 56: ...tallation details an automatic configuration feature and manual configuration tools see Figure 6 1 Figure 6 1 Sensor Configuration Screen Click the lighting bolt icon on the bottom right corner of the...

Страница 57: ...alues and the Cancel button closes the screen without saving changes to the sensor Changing the Traffic Direction The SmartSensor Advance can be configured to detect traffic moving towards or away fro...

Страница 58: ...e measurements to range measurements that are relative to the roadway s frame of reference The sensor position is also used in the Beam Alignment tool see Tools Note The sensor s range is updated when...

Страница 59: ...to begin the auto configuration process The playing time will be shown in the top left corner of the screen After approximately three minutes trackers sensor detec tions will begin to appear on the r...

Страница 60: ...l Radar Adjustment Screen for Advance left and Advance Extended Range right Note The ranges displayed in the Manual Radar Adjustment window will depend upon whether you have SmartSensor Advance or Sma...

Страница 61: ...e power button will turn red see Figure 6 8 but once the sensor has rebooted it will go back to green again Figure 6 8 Red Button During Reboot Editing Sensitivity If missed detections are consistentl...

Страница 62: ...or to signal an actuated traffic controller based on both detections In cases of double detections the thresholds will not need to be increased Follow the steps below to adjust the sensitivity 1 Deter...

Страница 63: ...s 6 After adjusting the sensitivity click the Enter button to apply the adjustment 7 Click the OK button to accept the modifications and close the Edit Sensitivity win dow click the Undo button to ret...

Страница 64: ...ing the PGA The Programmable Gain Amplifier PGA allows you to change the radar sensitivity for the entire approach see Figure 6 11 Note Consult with Wavetronix Technical Services before changing the P...

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Страница 66: ...ts and zones set up output communications and import create a template see Figure 7 1 Figure 7 1 Channels Alerts Zones Screen This chapter will explain the different types of channels and how they are...

Страница 67: ...nal types of channels Normal and Latched see Figure 7 2 Figure 7 2 Channel Configuration The channel configuration is read from the sensor the first time that the CAZ job is se lected Due to the amoun...

Страница 68: ...the size of the zone by either clicking and dragging the zone arrows anywhere along the road way or by using the up down arrows in the Range feet field You can set the Speed and ETA settings by first...

Страница 69: ...high end 8 Name the channel Advance and click OK to save the channel settings Follow the steps below to configure the QReduce channel 1 Click the second tab on the top of the Setup Channels Alerts Zon...

Страница 70: ...of protection Note Priority channels are only available with SmartSensor Advance Extended Range The extended range of the sensor is best matched to Distinguish between large vehicles trucks and buses...

Страница 71: ...er For the queue clearance zone a 1 0 passage time is added to the maximum time headway between two vehicles occupying the zone at the same time to determine the maximum al lowable time headway When t...

Страница 72: ...other applications than truck priority For example you could require that a vehicle be discovered at a certain range using the discovery range threshold and that it travels to a down stream zone sever...

Страница 73: ...s eight channels with the selected tab showing the channel number and channel name the middle portion of the screen contains alert configuration parameters and the lower portion of the screen contain...

Страница 74: ...attempt to save an invalid channel configuration the following message is displayed see Figure 7 10 Figure 7 10 Invalid Channel Configuration Latched Channel Latched channels consist of two alerts ON...

Страница 75: ...d 2 will be used as the ON and OFF alerts respectively alerts 3 and 4 will be disabled Delay The channel delay is used to ignore alert outputs that are shorter than the specified delay time see Figure...

Страница 76: ...e ON state The latch timer can also be used to generate a latched output of specified duration This timed output can be achieved by defining the OFF alert to have a configuration that is not likely es...

Страница 77: ...ng specifies the Boolean logic operation to be applied to the alert s zone outputs The available options are OR and AND If OR logic is selected the alert will turn ON if one or more zones have active...

Страница 78: ...range Click in the zone range display next to the range label to open the zone range editor see Figure 7 17 Figure 7 17 Zone Range Editor To add enable a zone drag the desired zone icon from the zone...

Страница 79: ...bel to enable the speed filter only speeds within the range will activate zone outputs uncheck the box to disable the speed filter all speeds will activate zone outputs Edit the min and max values in...

Страница 80: ...mic Density is a type of vehicle platoon detection that activates a zone s output when the number of qualified detections within a zone equals or exceeds a density requirement The following equations...

Страница 81: ...activated Table 7 1 below reviews the components of the Dynamic Density filter The number of qualified detections and their average speed is detected by the sensor Then based upon values of Zone Size...

Страница 82: ...seconds and the maximum headway value is 10 0 seconds Utilization refers to the ratio of observed flow rate to ideal flow rate It is a measure used to describe traffic efficiency in terms of the idea...

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Страница 84: ...Tracker Highlighting 8 The Verify Channels Alerts Zones screen contains both configuration and detection infor mation see Figure 8 1 Figure 8 1 Verify CAZ Screen for Advance left and Advance Extended...

Страница 85: ...martSensor Advance is functioning correctly Note Simple channels are shown on the right side bar with the letter S next to the chan nel LED latched channels are shown with the letter L Right Sidebar T...

Страница 86: ...Channels The All Channels view shows an LED for each of the SmartSensor Advance s eight channel outputs The channel outputs are transmitted to a contact closure device which in turn generates an appro...

Страница 87: ...hannel summary screen shows the channel type delay and extend settings and all enabled alerts for that channel Individual Channel The individual channel view allows you to see the CAZ elements defined...

Страница 88: ...ated with a P go one layer deeper to the alert level Because a priority channel only has one zone for each alert only the alert level is shown The normal channel annotated with an N and latched channe...

Страница 89: ...lert Summary screen The top of the Alert Summary screen shows the channel that the alert belongs to The rest of the screen shows the logic applied to the alert which zones are enabled and which zones...

Страница 90: ...an alert is selected the corresponding zones will appear on the roadway each with a unique color Figure 8 9 Alert LED Zone LED Each of the four available zones show a different color This color mappi...

Страница 91: ...e met or NOT met if the zone out put is being inverted the corresponding zone LED is colored its corresponding zone color Figure 8 10 Zone Highlighting Note Tracker highlight behavior is determined by...

Страница 92: ...tab for the current channel selected The stop bar icon represents placement of the sensor relative to the approach s stop bar A stop bar label showing the relative location of the stop bar will be dis...

Страница 93: ...igit identification number 1 to 99999 to each tracker Qualified Count The two types of Qualified Count displays available are Qualified Count and Dynamic Density The data displayed on the trackers dep...

Страница 94: ...d Count maximum the number in parentheses is preceded by a if the number of qualified detections is in between the Qualified Count minimum and maximum settings a 0 is displayed Figure 8 14 describes t...

Страница 95: ...r of qualified detections divided by the DDCR see Figure 8 16 Detected Qualified Count Dynamic Density Threshold Displayed Text 2 4 02 050 4 4 04 100 6 4 06 150 Figure 8 15 Display Text for Dynamic De...

Страница 96: ...ority Level is abbreviated P Level and Level respectively Any mode can be assigned to display on the left 1 middle 2 or right 3 side of the tracker display see Figure 8 17 and 8 18 A mode cannot be di...

Страница 97: ...d dis covery range requirements it does at least meet the requirement for the currently displayed range speed ETA discovery range or priority level property Tracker Highlighting When a channel alert o...

Страница 98: ...oes not meet ALL range speed and ETA requirements it does at least meet the requirement for the currently displayed range speed or ETA property The zone highlighting rules also apply to the correspond...

Страница 99: ...ance of the Verify CAZ screen Scale View Shows a distance scale relative to the stop bar The sensor is always dis played at the bottom and is oriented to point towards the top of the screen Logging Vi...

Страница 100: ...ration of the logging session is displayed on the Elapsed timer display Click the toggle switch to the OFF position to end a tracker logging session The tracker log file is an ASCII text file and can...

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Страница 102: ...a transfer instead of responding to data requests from another device The features located in the Setup Output Communica tion screen allow you to configure the data push parameters see Figure 9 1 Figu...

Страница 103: ...e aware that in standard installations Port 1 is designated as the control bus For SS200V sensors the control bus is an RS 485 port usually connected to the bridge port of a Click 222 and is shared wi...

Страница 104: ...duration in seconds The minimum output duration is the minimum amount of time that a channel output will be on even if the output conditions are removed The selected value should meet the timing requ...

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Страница 106: ...tools for simplifying frequently used or standardized chan nel configurations A channel template is a text file that contains all the CAZ configuration settings required to completely define a channe...

Страница 107: ...e File Screen Importing a Channel Template The SSMA software contains pre defined channel templates that can be modified to meet your needs An existing channel template can be loaded into any of the S...

Страница 108: ...tection range If this is the case a message will appear stat ing the number of configured zones that are invalid for the sensor s position relative to the stop bar and you will be prompted to accept t...

Страница 109: ...e sensor s position or the channel can be configured in the software Changes that have not been written to FLASH memory will be lost the next time the sen sor reboots Copying Pasting Channels Alerts a...

Страница 110: ...restore sensor settings visualize the sensor alignment and communicate with the sensor using a serial terminal see Figure 11 1 The Tools job varies depending on whether or not SSMA is connected to a...

Страница 111: ...ight Once the proper file has been specified you can start the backup or restore operation Backing Up the Configuration Click the Back up Sensor Setup button to save the current configuration The Sele...

Страница 112: ...ayed out and may not be selected for restoration Click OK to perform the backup process and save the new set tings to FLASH Click Cancel to return to the Backup Restore screen Note If the serial baud...

Страница 113: ...sage will appear stating the number of configured zones that are invalid for the sensor s position relative to the stop bar and you will be prompted to accept the modified results of the restored conf...

Страница 114: ...the Beam Alignment icon to start the Beam Alignment tool see Figure 11 9 This tool is used to help the person installing the sensor to visualize the invisible radar beam footprint based on the sensor...

Страница 115: ...spot The target is depicted on the roadway view with cross hairs and a light green color Target Y The offset as shown in Figure 1 3 and Tables 1 1 and D 1 see Chapter 1 and Appendix D The Approach Wid...

Страница 116: ...200 command in the Tx Transmit win dow located on the bottom of the Serial Terminal screen Each SS200 command must be terminated with a carriage return 0x0D which is accomplished by pressing the Retur...

Страница 117: ...gh conduit or the sensors are being installed Note When used with SmartSensor Advance the rack cards should be configured to com municate at the default 9600 bps If you are having communication issues...

Страница 118: ...you have selected All Rack Cards then the main menu LEDs of every card connected on the bus will begin flashing Channel Outputs Switch The Channel Outputs toggle switch and 1 16 checkboxes are used to...

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Страница 120: ...otocol Communication from the sen sor can be set up by the cards or by using SmartSensor Manager To connect and autobaud to the detector rack cards 1 Connect from the Click 222 RS 485 A port to a bus...

Страница 121: ...485 port 3 Select Z4 Click 112 114 from the output format drop down list to set up commu nication with a Click 112 114 4 Click OK to save the communication changes 5 Verify that detections are registe...

Страница 122: ...e rack Make sure the Settings switch is in the 3 position when plugged in Wait approximately 20 seconds 2 Move the Settings switch to the 1 position and after the auto baud is complete the current mod...

Страница 123: ...hs greater than 200 ft 61 m Rack Card Dip Switch If you are seeing calls on the rack card LEDs but do NOT see them registering in your controller you may need to disable the rack card s pull up circui...

Страница 124: ...ect a patch cable to the Click 222 RJ 11 jack for the sensor you want to get data from Connect the other end to either of the RJ 11 jacks on the faceplate of the Click 104 2 If you are using multiple...

Страница 125: ...104 Configuration You can configure the Click 104 with Click Supervisor using the front panel menu or us ing the rotary switch Each configuration option allows you to change different parameters some...

Страница 126: ...n Options If you have used the rotary switch to set the channel input mapping which is the only thing you can do with the rotary switch that mapping cannot be set or changed with the front panel menu...

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Страница 128: ...nt 13 Appendix A Cable Connector Definitions The connector end of the SmartSensor 6 conductor cable mates to the 8 pin connector on the SmartSensor Advance see Figure A 1 A B C D E F G H Figure A 1 Sm...

Страница 129: ...are normally used for communication Follow the steps below to create a custom cable see Figure A 2 1 Slide the strain relief follower grommet and back shell over the cable 2 Strip the cable jacket and...

Страница 130: ...mum cable lengths are longer Maximum Cable Length for Powering SS200V The following recommendations allow you to provide reliable power to the SmartSensor The SmartSensor cable s red and black wires p...

Страница 131: ...m 6 conductor Cable Native RS 485 Native RS 485 1500 2000 ft 457 2 609 6 m 6 conductor Cable Native RS 485 NA 2000 2500 ft 609 6 762 m Alternate cable for power and communications Native RS 485 Nativ...

Страница 132: ...patible with the length of the cable run The table below shows the cable length recommendations for wired communications see Table B 5 Baud Rate RS 232 RS 485 115 2 40 ft 12 2 m 300 ft 91 4 m 57 6 60...

Страница 133: ...nates in a surge pro tection device However during demonstrations troubleshooting and certain other situ ations it is sometimes convenient to bypass surge protection and connect directly to a personal...

Страница 134: ...ications and support USB com munications instead If your computer only supports USB communications you may want to use a Click serial to USB converter to make a direct connection Appendix D Target Rol...

Страница 135: ...able D 1 Target Roll Angle Note If you would like to narrow the coverage of the sensor at far ranges consider reducing the target location by about 25 For example if your current target location is 40...

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