What is the TRAX Mite?
Contents
1. YES NONE EXIT 2 8 Chapter 2 Operation of the TRAX Mite The data in the Mite includes the date and time that the study was done but no direct information on where the study was done Correct use of the Site Code is a way for you to guarantee that the data you collected at a particu lar site was indeed collected there If you do not wish to use a Site Code press TAB until NONE is flashing and then press DO To enter a Site Code press DO while YES is flashing This will take you to the screen shown below Next Back Cir OK You may enter up to 12 digits for the site code Use the UP and DOWN arrow keys to enter numbers Press DO while Next is flashing to move to the next digit to enter or press Back to move to the previous digit To clear the site code press DO while Clr is flashing Once you have entered the site code you want to use TAB to OK and press DO This will take you to the count start up screen shown below START EXIT To start your study press DO while START is flashing To go back to the beginning of the count setup process TAB to Exit and press DO If you start a count the count status screen for your particular study will appear Status Screens AYEMBO ZON NA When the Mite is in count mode and collecting data there are a num ber of screens that can be reviewed to check the status of the study The various screens can be cycled on the display by pressing the TAB key The first of the screens to appear var2. 3 Modified buses should be considered to be trucks and classified appropriately i Appendix Class 5 Two Axle Six Tire Single Unit Trucks AI A This class includes all vehicles on a single frame which have two axles and dual rear tires This includes trucks camping and recreation vehicles motor homes etc Class 6 Three Axle Single Unit Trucks A EL This class includes all vehicles on a single frame which have three axles This includes trucks camping and recreation vehicles motor homes etc Class 7 Four or More Axle Single Unit Trucks This class includes all vehicles on a single frame with four or more axles Class 8 Four or Less Axle Single Trailer Trucks This class includes all vehicles with four or less axles consisting of two units in which the pulling unit is a tractor or single unit truck Class 9 Five Axle Single Trailer Trucks This class includes all five axle vehicles consist ing of two units in which the pulling unit is a trac tor or single unit truck Class 10 Six or More Axle Single Trailer Trucks This class includes all vehicles with six or more a Zr axles consisting of two units in which the pulling unit is a tractor or single unit truck A 3 TRAX Mite User s Manual Class 11 Five or Less Axle Multi Trailer Trucks This class includes all vehicles with five or less axles consisting of three or more units in which the pulling unit is a tractor or
3. Count Menu is used to program the Mite to do a study To start this process press DO while Count is flashing and the following menu will appear VOL BINNED EXIT This screen is used to select whether you want to do a Volume study or a Binned Class Speed Gap study They way in which the data will be col lected in either of these modes depends on how you have configured them in the Utilities menu as discussed on page 2 7 Press the TAB key to highlight the study you want then press the DO key You will then be shown the screen for selecting the tube layout you want to use similar to the one shown below L5 tt to change 2Tubes 1 dir Press the UP and DOWN arrow keys to scroll through the layouts that are available to select A brief description of the currently selected layout will be shown on the lower line of the display For a more detailed description refer to Chapter 4 Road Tube Layouts The layouts that you have to choose from will depend on whether you are doing a Volume or Binned study and whether your Mite has two or four road tube inputs The options are Volume 2 Road Tube Inputs L1 L2 L3 L4 Volume 4 Road Tube Inputs L1 L2 L3 L4 L7 L8 L9 Binned 2 Road Tube Inputs L5 L6 Binned 4 Road Tube Inputs L5 L6 L10 L11 L12 Once you have selected the layout to use press the DO key and you will then be prompted to select whether or not you want to enter a site code for the study as shown below
4. for serial ports are also used for serial or parallel printers mice plotters video cards and other devices Just because your cable fits into a connector on your PC does not mean it is a serial port Consult your computer instruction manual if you have any questions on which ports are serial ports on your computer 2 Many computers have more than one serial port You will need to know which serial port you are plugging the universal cable into Se rial ports are designated as COMx where x is a number from 1 to 4 You will need to know this number to download the Mite 3 Some devices that are plugged into a computer s serial port will not allow the Mite to download its data properly These are devices that require a program called a device driver to be running in the com puter at all times These device drivers are very self centered and think that all the data coming into the serial port is for them Mice digitizer boards Palm Pilots and light pens are all devices that require these device drivers to be running If you have to unplug a device from the serial port to plug your Mite in or if you are using a switch box be sure that the device does not have a driver running in memory 4 If you have a conflict with another device on a serial port or if your computer does not have a serial port you can use a USB port by using a USB to Serial Converter These devices allow serial peripherals like JAMAR equipment to interface with a US
5. s Manual This page was intentionally left blank 64 Chapter 7 Battery Care TRAX Mite User s Manual Battery Care The following information regarding battery care is furnished to assist you in the use and maintenance of rechargeable batteries Battery life is depen dent on the user s preventative maintenance procedures Establish regular routines for all of your batteries regardless of their usage With this in mind recharge the battery to its highest potential normally from 6 4 volts and up once it has fallen to 6 1 or 6 0 volts The battery can be charged through the charge port with the TRAX Battery Charger or a similar 6VDC charger with the correct plug and polarity The battery may also be removed for charging if desired Note Do not allow the battery voltage to fall too low below 5 8 volts as this will cause damage to the battery Symptoms of a damaged battery are 1 The battery will not charge to its full capacity of 6 4 volts or higher 2 The battery only holds a charge for a short time under load conditions 3 The battery discharges faster than normal during storage under no load Charging Never plug a charger into a charge port unless you are absolutely sure of the voltage output and polarity Charging a battery is very important for obvious reasons Your TRAX de pends on a fully charged battery to operate efficiently and to produce reli able and correct data Batteries should not be allow
6. the layouts and the type of data that can be collected with each Each layout is different but there are some common principles that should be used with any layout that is chosen e The condition of the road tubes the manner in which they are in stalled and the length of the tubes are all critical to achieving good results Refer to Chapter 3 Road Tube Installation for more infor mation on this e A tube length of sixty 60 feet is recommended for round tube and a tube length of fifty 50 feet is recommended for mini tube e In all tube setups of more than one tube the tube length from the end of the road to the counter must be the same for all tubes e In all short tube long tube layouts the vehicle must strike the short tube first To collect class or speed data a minimum of eight feet of tube spac ing is required to achieve accurate results e For counts done in the volume mode the Mite will either do a straight axle count or use the divide by two technique in which every two axle hits will increment the Mite by one In order to record volumes on a vehicle by vehicle basis without regard to their number of axles you must be in the Binned mode with the appropriate hose configuration The diagrams for the following layouts assume a length of twelve feet per lane of traffic and are shown for round tube and mini tube Actual Size O O Round Mini Tube Tube 4 2 Chapter 4 Road Tube Layouts L1 Two
7. to contact us Contact information is listed on the first page of this manual There is no display visible on the Mite Check that the Mite is turned on and that the unit is not in its power saving mode The display automatically goes out when the Mite has not been disturbed for several minutes To bring the display back up hit any key The display on the Mite will not come on The battery voltage may have gone too low to power the display Connect the Mite to a battery charger and charge for 12 hours then see if the display comes up If the unit was in the field collecting data when this problem occurred turn the unit off return it to your office and charge Even if the battery voltage was too low to power the display it may have been high enough to continue collecting data Binned Cls Speed Gap data collection is not providing all of the data desired Check the Mite s Binned setup to be sure the correct data options have been programmed Refer to page 2 7 for more information Also note that the Mite will output separate files for class speed and gap The data is not being collected in the intervals desired Check the Interval setting in the Mite s default settings Refer to page 2 4 for more information Not all layouts are available to be selected with the study requested Only certain layouts can be used depending on the mode of data collection requested and the model of Mite being used Refer to page 2 8 for more informa
8. used to program the Mite to do a new count You have the option of doing a volume or binned class speed and gap count UTILS The Utils short for Utilities selection is used to clear the Mite download itto a data module set the default values and set the date and time STAT The Stat short for Statistics selection is used to display the currently programmed date and time as well as the percentage of memory remaining for new counts the bat tery voltage the number of counts currently stored and the tube spacing currently set in the Mite Utils Menu The Utils Menu short for Utilities con MOD CLR DEFAULTS tains an assortment of operations that are necessary and or helpful to the operation T DATE EXIT of the TRAX Mite While on the Main Menu press the TAB key until Utils is flashing then press the DO key to enter this menu which is shown above MOD Main Menu gt Utils gt Mod The MOD short for Module option allows you to use a JAMAR data STATUS WRITE module with the TRAX Mite Youcan ERASE EXIT check the status of a module erase a module or download data into a module by using the module s built in cable to connect to the communications port on the Mite The module has a memory capacity of four MB and can hold multiple files from several different counters With this feature you can download all of your data in the field and only have to transport the module back to your office for downloading into the soft
9. water damage caused by the use of faulty or improperly installed road tube or damage caused by improper installation in disregard of the instructions furnished by us This warranty does not extend to products which have been repaired or altered outside our factory or authorized service agent In no event shall JAMAR Technologies Inc be liable for any damages arising from the use of this product including damages arising from the loss of information This warranty is in lieu of all other warranties expressed or implied and no representative or person is authorized to assume for us any other liability in connection with the sale or use of our products JAMAR Technologies Inc reserves the right to make improvements on the product and or specifications at any time without notice Questions concerning this warranty or any JAMAR Technologies Inc product should be directed by mail or telephone to JAMAR Technologies Inc 151 Keith Valley Road Horsham PA 19044 215 491 4899 COPYRIGHT NOTICE This manual is copyrighted All rights are reserved This document may not be in whole or part photocopied reproduced translated or reduced to any electronic medium or machine readable form without prior consent in writing from JAMAR Technologies Inc Copyright 2003 by JAMAR Technologies Inc il Table of Contents Table of Contents Technical SUpport s sissiscsssicsesdscescessosnascucessesssscnscusancovanssesnedesuevsntessesdseseess
10. AR Technologies immediately and discontinue use of the unit until we have verified its operation A 5 TRAX Mite User s Manual
11. B port There are several of 6 2 Chapter 6 Downloading the TRAX Mite these devices available on line and at computer stores Go to the hard ware support section of our web site www jamartech com for a link to one of these devices that we have tested and found to work well Once the universal cable is plugged into the computer slide the ON OFF switch on the Mite to the ON position Then plug the universal cable into the Mite Always turn the Mite ON before connecting it to the com puter After the Mite is turned on it will go through a brief period of self diagnos tics then will display the Main Menu shown below COUNT UTILS STAT Begin new Count This is the screen from which all downloading is done At this point refer to your software manual for information on how to setup the software for downloading Note that the Mite will automatically sense whatever baud rate you select in the software The higher the baud rate the faster your data will be dumped Most newer computers can download at 19200 or higher While the data is being downloaded the display on the Mite will show DATA TRANSFER CNT 01 BLCK 0010 The computer will show the data being received in blocks Each block represents 4096 bytes of data Once the data has been transferred to the computer you may turn the Mite off Do not clear the data out of the Mite until you are certain that it has been downloaded successfully to the computer TRAX Mite User
12. Channels A B Volume This is a volume only layout in which channel A and channel B record independently When in Volume mode the Mite can do either a straight axle count or use the divide by two technique EXAMPLE The Mite has been programmed to use the divide by two technique As a passenger car passes over the A the Mite records one count As a four axle truck passes over the A tube the Mite records two counts 36 ft Round 36 ft Round 24 ft 26 ft Mini 26 ft Mini 24 ft 1d 4 i TRAX Mite User s Manual L2 Two Channels with Lane Separation A B minus A Volume This is a volume only layout in which channel A and channel B record independently The A tube is extended over one lane while the B tube is extended over two lanes At the end of each interval the A channel is sub tracted from the B channel and then each channel s total is stored in memory When in Volume mode the Mite can do either a straight axle count or use the divide by two technique The tubes should be spaced two feet apart EXAMPLE The Mite has been programmed to use the divide by two technique As a car approaches the tubes in the inner lane and both front and rear axles pass over the A and the B tube the Mite records a one in each channel As a second car approaches the tubes in the outer lane and both front and rear axles pass over the B tube the Mite records another one in the B cha
13. If you have any questions about the use of the TRAX Mite please call 1 215 491 4899 Monday to Friday 8 00 AM to 5 00 PM Eastern time You may also contact us by fax at 1 215 491 4889 or via e mail at sales jamartech com For more information on our products or for the latest news in product development visit our web site at www jamartech com Address any correspondence to JAMAR Technologies Inc 151 Keith Valley Road Horsham PA 19044 1411 Volume 3 1 May 2003 i TRAX Mite User s Manual LIMITED WARRANTY JAMAR Technologies Inc warrants the TRAX Mite against defects in material and workmanship for a period of one 1 year limited warranty on parts and one 1 year limited warranty on labor from the date of purchase For information on extended warranty call 1 800 776 0940 JAMAR Technologies Inc warrants each new instrument manufactured by the company to be free from defective material and workmanship and agrees to remedy any such defect At its option it may furnish a new part in exchange for any part of any instrument of its manufacture which under normal installation use and service discloses such defect The instrument must be returned to our factory or authorized service agent intact for examination with all transportation charges prepaid This warranty does not extend to any products which have been subject to misuse neglect accident vandalism or incorrect wiring not our own This warranty does not extend to
14. ail if a test connector is not used This selection allows you to restore the factory de fault tables for data collection The Mite has the abil ity to upload user defined tables for class speed or gap data collection from JAMAR s software This se lection will restore the defaults tables of 15 70 mph by 5 mph for speed FHWA scheme F for class and 2 to 26 by 2 seconds for gap This selection allows you to set the date the Mite uses to either USA month day year or world day month year format This selection allows you to set the measuring units the Mite uses to either English feet or Metric meters This selection allows you to set the Mite to use either Fast download mode or slow download mode The Slow mode allows data transfer at a maximum of 19200 bps Mites with this setting can be downloaded into TAS for Windows or TRAXPro The Fast mode al lows transfer at a maximum of 115200 bps Mites with this setting can only be downloaded into TRAXPro 2 6 Chapter 2 Operation of the TRAX Mite BINNED Main Menu gt Utils gt Defaults gt Binned This selection allows you set what type of data should be col CONT CLS SPD GAP lected when doing a binned OPT CLS SPD GAP count The Mite can collect Class Speed and Gap at one time However you can choose to collect just one or two types in any combination The default setting is for Class Speed and Gap To de select a study type press the TAB key until the s
15. ch on top of the front panel is used to turn the Mite on and off A two line by 16 character display helps you select the proper entries All options are clearly displayed with the currently selected option flash ing Four buttons are all that are used to program the Mite The TAB key is used to move the highlight to the option you want while the DO key is used to select the highlighted option In general you press the TAB key until the option you want is flashing and then press the DO key If you move the highlight too far and overshoot the desired option just keep pressing the TAB key until it is re selected The UP and DOWN arrow keys are used to scroll through some of the available options t 4 OO TAB 1 3 TRAX Mite User s Manual Before You Do a Study Before you attempt to collect important data with the TRAX Mite we strongly recommend that you familiarize yourself with both the operation of the TRAX Mite and how to properly install your road tubes Few things are more frustrating than trying to resolve problems when working on a tight deadline or with critical data Whenever possible we recommend that you perform a test study if you are new to the TRAX Mite or are planning to collect data that you have not in the past This will help you become comfortable with the operation of the equipment and how the data is collected which should make things easier when you have to do a real study 1 4 Chapter 2 Op
16. e lanes to be counted When in Volume mode the Mite can do either a straight axle count or use the divide by two technique This layout can be used with single direction or bidirectional traffic however there is no lane separa tion 36 ft Round 26 ft Mini 24 ft aan se tt a Mite A L5 One Direction No Lane Separation A to B Binned Class Speed Gap This is a binned layout in which both tubes A and B are extended across the lanes to be studied Channel A and channel B record dependent on each other The tubes should be spaced eight feet apart and be of equal length EXAMPLE A car is traveling southbound approaching the tubes As the vehicle passes over both the A and B tubes the speed and class of the vehicle are registered and a one is added to the volume data This type of setup does not use the divide by two technique or axle counting in record ing volume Each individual vehicle counts as only one 36 ft Round 26 ft Mini 24 ft N Chapter 4 Road Tube Layouts L6 Two Lanes With Lane Separation A to B B to A Binned Class Speed Gap This layout is the same as the L5 layout but provides lane separation for bidirectional traffic The tubes should be spaced eight feet apart and be of equal length 36 ft Round 26 ft Mini 24 ft L7 Four Lanes A B C D Volume This layout is the same as the L1 layout but with four tubes over four separate lanes rather than two t
17. ed to sit in a discharged state for any length of time Once the battery discharges below 5 8 volts damage to the cells has already begun Measure or monitor your battery by using a voltmeter or through the counter s display We recommend that the battery be recharged to its highest charge level usually 6 4 volts and above once it discharges to 6 1 or 6 0 volts A good battery may charge as high as 7 0 volts or better A defective battery may not charge any higher than 6 1 volts after a reasonable charge time Charge time will vary with the level of the battery voltage Usually a battery of 6 0 volts can be charged to its highest potential in 12 hours or less 7 2 Chapter 7 Battery Care After a battery has been charged allow it to sit for at least 8 hours and check the voltage again to determine if the battery maintained its charge Some decay is acceptable however if the battery falls below 6 1 volts recharge it for a longer period of time If this does not improve the charge the battery is most likely defective and it would not be wise to use it for any lengthy data collections Monitor your battery voltages frequently charging when necessary and you will extend the life of your battery Additional Notes Do not expose the battery to moisture or rain Do not drop hit or abuse the battery it may break and expose the contents which are highly corrosive Do not short circuit battery terminals Some batteries are
18. eration of the TRAX Mite TRAX Mite TRAX Mite User s Manual Start up Screens A two line 16 character display located in the middle of the TRAX Mite s front panel is used to display the unit s current options and status Note that the display of the Mite has a power saving feature that turns off the screen if the unit has not been disturbed for several minutes To bring the display back up simply hit any of the gray keys on the keypad When you turn on the TRAX Mite it will display several screens with in formation on the current status of the unit The initial start up screen shows the version number of the firmware on the lower line The second number listed reflects the currently stored data collection tables for class speed and gap The factory default setting is 0 0 TRAX Mite binned version 3 1 0 0 This is followed by the copyright and then the currently programmed date and time T 14 30 57 D 02 13 00 The next screen shows the percentage of memory remaining for new stud ies the battery voltage the number of counts stored in memory and the tube spacing currently programmed in the unit Mem 99 Bat 6 4 Cnt 02 8 0 ft After a few seconds the screen clears and the Main Menu is displayed Chapter 2 Operation of the TRAX Mite Main Menu The Main Menu is the starting point for COUNT UTILS STAT all of the options in the TRAX Mite There are three options on this screen COUNT The Count selection is
19. ess DO with Start flashing to begin your study Chapter 1 Introduction to the TRAX Mite X Mite TRAX Mite User s Manual What is the TRAX Mite The TRAX Mite is an automatic traffic recorder designed and built by JAMAR Technologies Inc It is designed for ease of use but contains many options and features that are needed for comprehensive traffic data analy SiS The data that can be collected with the Mite includes volume classifica tion speed and gap The Mite can store up to 32 different studies It stores the type of study the date and time a site code and the data for the study At any convenient time you can transfer the data to your computer or a data module through the Mite s RS 232 communications port The data can be processed and reports can be generated using JAMAR s TRAXPro software 1 2 Chapter 1 Introduction to the TRAX Mite How is the TRAX Mite powered The TRAX Mite is powered by a rechargeable lead gel battery and comes standard with a solar panel which should keep the battery charged under most conditions When turned on the Mite displays the battery voltage during its start up procedure This allows you to determine if there is enough battery power to complete a study Generally battery voltage should register at 6 3 VDC or higher for a full charge Refer to Chapter 7 Battery Care for more infor mation on battery maintenance Programming the TRAX Mite An OFF ON swit
20. he above rules may be varied slightly since each tube installation for low speed traffic counting is unique The tube length and DT may be adjusted to fit your specific parameters Once you have decided on your settings monitor incoming data to ensure accuracy NOTE Be sure to reset the DT setting once you have finished your low speed counting Using an incorrect DT setting for average speed traffic will produce incorrect data 5 2 Chapter 6 Downloading the TRAX Mite TRAX Mite User s Manual Downloading a TRAX Mite The TRAX Mite is designed to be downloaded to a computer or data mod ule using its communications serial port To properly download the Mite you will need JAMAR s TRAXPro Software an available serial port on your computer and a JAMAR universal cable Note that you cannot down load a Mite to a computer or module while it is collecting data You must end any counts by turning the Mite off before you download To prepare to download your data connect the universal cable to a serial port on your computer Some serial ports have 25 pins and some have 9 Generally COM 1 is a 9 pin COM 2 is a 25 or 9 pin The ports may be labeled on the computer itself with COM 1 listed as 1 or A and COM 2 listed as 2 or B The following tips should help you to avoid problems when download through a computer s serial port 1 You must correctly identify what port you are plugging the cable into The 25 and 9 pin connectors used
21. ies depending on whether you are collecting binned class speed gap data or volume data If you are doing a binned study a screen similar to the one shown below will appear CLS 04 V 000126 CH 0 35 MPH A gt B This screen shows information on each vehicle as it is recorded The first line show the class of the vehicle CLS 04 and how many ve 2 9 TRAX Mite User s Manual hicles have been recorded so far 000126 The second line shows which channel or direction of data you are seeing CH 0 For four tube counts you can move to the next channel by pressing the TAB key The second line also shows the speed of the vehicle 35 MPH and how it crossed the tubes A gt B Note that if you have set the defaults for the binned mode to not collect class data this will not be shown The same holds true for speed data Refer to page 2 7 for more information on how to set the defaults for the binned mode If you are doing a Volume study a screen similar to the one shown below will appear A 0000 B A 0000 This screen shows the total recorded in each channel for the current interval If you press the TAB key a similar screen shown below will appear A 000000 B A 000000 This screen shows the total recorded in each channel for the entire study This can be used to get a total count without having to download the Mite to a computer After the initial status screens which are dependent on the type of data being collected the re
22. learing memory process has started it must be allowed to finish before the counter is turned off If this error appears the counter must be cleared properly before future use If you are unable to find a solution to your problem contact us using the information located on the first page of this manual 8 3 TRAX Mite User s Manual This page was intentionally left blank 8 4 Chapter 9 Menu Tree amp Specifications TRAX Mite User s Manual Status Count Vol di Layout Binned Mod Cir T Date Defaults Options Menu Tree System Binned BD Stat Chapter 9 Menu Tree amp Specifications Site Code Start TRAX Mite User s Manual TRAX Mite Specifications Size 11 x 7 x 4 5 Weight approximately 8 lbs Sensor Inputs two or four road tubes depending on model Memory 512 KB internal memory Power 6 volt 4 5 amp hour rechargeable lead gel battery with solar panel Internal lithium battery for nonvolatile memory Interface RS 232 serial communications port 9 pin DBS socket Temperature Range minus 40 F 40 C to 165 F 72 C Date Format USA MM DD YY or World DD MM YY Recording Intervals 5 10 15 30 or 60 minutes Units English feet or Metric meters Display 2 line 16 character wide temperature LCD display Output binary file capable of being read by JAMAR or compatible software Data Col
23. lected The options are 5 10 15 30 or 60 minutes Press the TAB key until the number you want is flashing then press the DO key to select it Chapter 2 Operation of the TRAX Mite SPACE This selection allows you to set the proper spacing for the tube layout you will be using An underscore appears at the bottom of the display beneath the currently selected position Press the UP and DOWN arrow keys to change the value Press the TAB key to move to another position When finished press DO NOTE The spacing does not affect volume studies and does not need to be changed for volume only studies We recommend leaving the spacing set at 8 ft DT This selection allows you to set the Dead Time also known as D Bounce for the air switches This tells the Mite how long to wait after it receives a sensor hit before it will accept an other For most applications a default DT setting of 25 millisec onds for round tube or 40 milliseconds for mini tube should be used However the DT can be set anywhere from 1 to 99 ms An underscore appears at the bottom of the display beneath the cur rently selected position Press the UP and DOWN arrow keys to change the value Press the TAB key to move to another position When finished press DO DTX This selection works in the same manner as DT selec tion but allows you to set the dead time higher than the DT s limit of 99 ms With DTX you can set the dead time up to 990 ms This selection is typicall
24. lection Volume Class Speed and Gap sorted into intervals and bins Clock always active real time clock Appendix TRAX Mite User s Manual Federal Highway Administration Scheme F Vehicle Classifications Class 1 Motorcycles This class includes all two or three wheeled motorized vehicles These vehicles typically have a saddle type of seat and are steered by handlebars rather than a steering wheel This includes motorcycles motor scooters mopeds mo tor powered bicycles and three wheel motorcycles 9 Class 2 Passenger cars This class includes all sedans coupes and station wagons manufactured primarily for the purpose of carrying passengers including those pulling recreational or other light trailers eh Class 3 Pickups Vans and other 2 axle 4 tire single unit vehicles This class includes all two axle four tire vehicles el other than passenger cars which includes pickups Bm vans campers small motor homes ambulances minibuses and carryalls These types of vehicles which are pulling recreational or other light trail ers are included Class 4 Buses This class includes all vehicles manufactured as tra ditional passenger carrying buses with two axlesand NET six tires or three or more axles This includes only JAMAR traditional buses including school and transit buses functioning as passenger carrying vehicles Alltwo axle four tire minibuses should be classified as Class D o
25. maining screens are the same regardless of whether binned or volume data are being collected A screen similar to the one shown below displays the actual sensor hits as they are recorded A akkkkkk B akkkkkk As the tires from an axle strike a tube an asterisk will be shown in the appropriate channel 2 10 Chapter 2 Operation of the TRAX Mite The next screen shown below contains a summary of how the counter is currently configured T 14 42 33 B 6 2 D 02 13 00 10024 This screen lists the time and date as they are set in the Mite as well as the current battery voltage and the number of the current interval that is being recorded The last screen that can be displayed shows the site code that has been programmed into the Mite for the study Site ID 455535000 Ending a Count To end a count turn the Mite off The count will be stored in the Mite s internal memory Additional studies can then be conducted with the unit The Mite can hold up to 32 different studies in its memory TRAX Mite User s Manual This page was intentionally left blank 2 12 Chapter 3 Road Tube Installation TRAX Mite User s Manual Installing Road Tube Proper road tube installation is very important for collecting accurate data with your TRAX Mite The road tube and the Mite s air switches comprise the sensing device for the unit As with all receivers the sensor has to be functioning properly to record reliable info
26. ni 26 ft Mini 24 ft 44 gt lt gt gt L11 Two Lanes One Direction With Lane Separation A to C B to D Binned Class Speed Gap This layout is the same as the L5 layout but with the addition of two half tubes A and C to provide lane separation Refer to the L5 layout for fur ther information This layout is for single direction traffic The A and C tubes should be spaced eight feet apart as should the B and D tubes The A tube should be spaced six inches from the B tube and the C tube should be spaced six inches from the D tube Remem ber vehicles must always strike the short tube first 36 ft Round 26 ft Mini A 24 ft N 6 inch spacing from A to Band from C to B D Hib A TRAX Mite User s Manual L12 Two Directions With Lane Separation A to C D to B Binned Class Speed Gap This layout is the same as the L11 layout but for bidirectional traffic Re fer to the L11 layout for further information The A and C tubes should be spaced eight feet apart as should the B and D tubes The A tube should be spaced six inches from the B tube and the C tube should be spaced six inches from the D tube Remem ber vehicles must always strike the half tube first 36 ft Round 26 ft Mini 24 ft E 6 inch spacing from A to B and from C to B D Chapter 5 Low Speed Counting TRAX Mite User s Manual LOW SPEED COUNTING Below 10 mph The TRAX Mite is capable of reco
27. nnel At the end of the interval the total in the A channel one is recorded to memory That total is then subtracted from the B subto tal of 2 for a final B total of one One vehicle has been recorded in each lane of the study 36 ft Round 26 ft Mini 2 foot spacing between tubes Chapter 4 Road Tube Layouts L3 Two Channels with Lane Separation A to B B to A Volume This is a volume only layout in which both tubes A and B are extended across the lanes to be counted Channel A and channel B record indepen dent of each other When one tube is hit the next hit is ignored When in Volume mode the Mite can do either a straight axle count or use the divide by two technique The tubes should be spaced four and a half inches apart EXAMPLE The Mite has been programmed to use the divide by two technique A car is traveling southbound approaching the tubes As the front and rear axles strike the A tube a one is registered in the A channel The front and rear axles then strike the B tube but these hits are ignored since the A tube has just been hit Conversely a car traveling northbound will strike the B tube first recording it in the B channel and then have its hits on the A tube ignored 36 ft Round 26 ft Mini lt 24 ft gt 4 5 inch spacing between tubes TRAX Mite User s Manual L4 One Channel A Volume This is a volume only layout in which one tube is extended across th
28. protected with self resetting fuses but short circuits may still cause severe damage to the battery e It is normal for a battery to become warm to the touch during charging e It is normal for a battery to self discharge during prolonged storage Always fully charge a battery prior to storage While in storage periodi cally check the batteries with a voltmeter to ensure they have not discharged below a level that may cause permanent damage e Always store in a cool dry location Keep batteries away from fire and do not incinerate they may explode e Under no circumstances should you attempt to open the battery case e Always observe polarity when connecting your battery to any electronic electrical device If your device is not protected for improper battery hookup you may cause severe damage to the electronic circuitry The positive ter minal may be indicated by a plus sign or red mark The negative termi nal may be indicated by a minus sign or black mark 7 3 TRAX Mite User s Manual This page was intentionally left blank TA Chapter 8 Troubleshooting TRAX Mite User s Manual TROUBLESHOOTING The following are some common questions problems that can be encoun tered when using the TRAX Mite The possible answers that are stated with them are not necessarily the only answer but should be checked first before contacting JAMAR If you cannot find the answer to your problem question do not hesitate
29. r i Duct Tape Webbing p Webbing MASTIC OR DUCT TAPE 6 Lengths are satisfactory WEBBING Approx 4 TUBE 50 ft lengths are recommended to 5 long Loop over Coil any excess tube near the counter tube and nail as shown above Do not stretch the tube just pull it tight to avoid any movement Checking for Accuracy Once your tubes are installed and you are collecting data observe the traf fic as it is being recorded to be sure everything is working correctly If vehicles are not being recorded correctly double check your setup If pos sible check the tubes periodically during the study to ensure they have not been damaged and data is being recorded as programmed Upon completion of your data collection remove the tubes clamps nails and anything else that may be of danger to the motorists The mastic may be hard to remove in some instances especially in hotter weather In those cases it may be left on the highway and eventually it will blend into the asphalt from the flow of traffic 3 5 TRAX Mite User s Manual This page was intentionally left blank 3 6 Chapter 4 Road Tube Layouts TRAX Mite User s Manual Road Tube Layouts for the TRAX Mite The Mite is equipped with twelve pre programmed tube layouts for re cording traffic data These are designated as L1 through L12 and represent the most common types of layouts used to record traffic data The following are descriptions of each of
30. rding vehicle data as low as idle speeds with a high degree of accuracy Tube length tube placement and the dead time DT amp DTX setting are important factors in achieving excellent re sults The following guidelines should be used for low speed volume in stallations Tube Length The total length should not exceed forty 40 feet Shorter lengths may be used provided the vehicle speeds do not exceed 30 mph Tube Placement Tube placement should be perpendicular to the flow of traffic however when using a high DTX setting a slight angle by the tube or angled wheels of a vehicle will not cause the counter to double count Remember this only applies to low speed counting tubes should be placed correctly on the roadway regardless of low or high speed counting As a reminder two hits on the road tube represents one count in the volume mode Addition ally the Mite will record a count even if the front and rear tires on only one side of the vehicle passes over the tube as well as if both front and rear tires do Dead Time DT DTX The dead time setting determines how long the Mite will wait after it has received an air pulse before it will accept another In most applications the DT is set between 20 and 40 milliseconds However speeds from idle to 10 mph will require the DT setting to be increased When measuring volume in a very low speed situation use a DTX setting of 200 to 300 milliseconds to avoid double counting T
31. re that vehicles in the outer lane are not coming in contact with the short tube NOTE In areas of heavy traffic flow the ability of any two road tube input automatic traffic recorder to classify every vehicle is impaired This is due to the number of simultaneous strikes on both the A and B tubes from vehicles in each lane striking the tubes at the same time For the best and most reliable classification and speed study possible each lane to be stud ied should have its own traffic recorder Installation Round Tube 25 ID x 60 OD Round tube should be stretched one foot for every ten feet of roadway when being installed Each tube should be secured at each end of the roadway by using a galvanized C Clamp Chinese Finger Figure 8 Grip or an End Plate Whichever is used ensure the proper nail size is used Use the longer nail size normally 2 1 2 inch or longer in hot weather due to the softness of the asphalt In cold weather applica tions the asphalt becomes harder making it more difficult to drive in the nails In this situation smaller nails 1 1 2 inch can be used 3 3 TRAX Mite User s Manual Next secure the tube on the traveled portion of the road surface by using mastic As a minimum one piece of mastic should be placed on the zone line middle of the road and two pieces of mastic should be placed in the middle of each lane Additional mastic should be used as deemed necessary to prevent the tube from mo
32. rmation With this in mind ex amine your installations carefully and be absolutely certain that your unit is recording data as programmed The following in Actual Size stallation instructions cover round tube 25 inside di ameter ID by 60 outside diameter OD and mini tube 187 ID by 365 OD These directions will as sist you in placing your road tubes correctly on the Round Mini road surface with confidence and a minimum of ef Tube Tube ort Tube Length Tube length is very critical in order to record accurate vehicle data The following guidelines should be followed for all studies regardless of sim plicity The lengths listed for each study below have shown to provide the best results based on extensive testing L1 L3 L4 L5 L6 L7 L9 L10 Long tube setups To encompass all types of vehicles and speeds a tube length of sixty 60 feet is recommended for round tube fifty 50 feet for mini tube These lengths should satisfy all requirements for normal street road highway and interstate traffic patterns L2 L8 L11 L12 Short tube long tube setups To ensure the pulses from the road tubes arrive at the counter in the proper order the tube length must be the same from the edge of the road to the Mite This will ensure that the pulse from the short tube arrives before the pulse from the long tube EXAMPLE You are using mini tube to install an L11 layout across two lanes of traffic and each lane is t
33. s i Quick Setup Guide for the TRAX Mite cccsccsssssssscsssscsssscssssees iv Introduction to the TRAX Mite cesscossonesnussnussnnsnosssoessonesnussnusnusnnee 1 1 Wh tis theTRAX Mite anne lt iaia tale iets 1 2 How is the TRAX Mite Powered i 1 3 Programming the TRAX Mite ceeeeeeeeeeeeecnsecnseceeeeeneeees 1 3 Before YOu Doa Study iii aac Ae di 1 4 Operation of the TRAX Mite ccsssc00ss0snsensnseensnnenonsennnsssnnssssnsnensnnenee 2 1 Start Up Screens nin sis lana ala 2 2 Main Menti 2 220 222 A een 2 3 Utils onies Menm u era 2 3 Meod Modu le 2 0010 ernennen 2 3 CA Cea r an died eet melita nali 24 Detaults acn io lele Arti E REENA 2 4 Optlons siria ihre 2 4 SYSIEM ns EEE 2 6 Binned Class Speed Gap i 2 7 Vol GVolume s elena mean 2 7 T Date Time D te cme la lead ei 2 7 Count Menia asnes leana ica lia ih 2 8 Stalus SCIEENS ans Siena alien union caniin ine 2 9 Ending a Count niet aee Eo A EE EE O REE EEEa 2 11 Road Tube Installation so0sooooosoooosoossesoossessesocssesossosssesocsssesssosssssose 3 1 Road Tube LA yOUts ssisscsescsssecsssasssenssesssisosssnesssecnassesessssesssnacosecsscsessose 4 1 Low Speed Counting ssssscsssscssssccssscsssscsssssssscsssccssecsssessssssssssscees 5 1 Downloading the TRAX Mite c00u000ossosnssesnnsensnnenonnennnssnsnsnnsnnnene 6 1 Battery Care scsssccssccsssssessonsesvssc
34. single unit truck e Je Class 12 Six Axle Multi Trailer Trucks This class includes all six axle vehicles consisting of three or more units in which the pulling unit is a tractor or single unit truck a i Class 13 Seven or More Axle Multi Trailer Trucks This class includes all vehicles with seven or more axles consisting of three or more units in which the pulling unit is a tractor or single unit truck BJ The Mite also collects data for Class 14 Unclassified Vehicles This class includes all vehicles that the Mite could not process into one of the existing 13 classes This data can be retained in your reports or it can be redistributed by the software into the existing 13 classes based on the per centages in each of those classes Appendix We are pleased that you have chosen the TRAX Mite for your traffic analysis needs We have strived to develop a unit that is easy to use and has the options that our customers require The Mite has undergone extensive test ing to verify the accuracy of its operations and each unit is extensively tested before it leaves our facility However we recommend that you verify the continuing accuracy of any traffic counting device you use To assure that your unit is operating properly verification against manual counts should be performed on an annual basis as required by the Federal High way Administration Should you detect any problems with any of our products please notify JAM
35. snntssesestovsessesteseccsasessdeedessetevessesncsssswesees 7 1 Troubleshooting 5 55 0 scccsssacvssecconcescocsssentsosseassanvonadessebessanseessssdenssecseoee 8 1 Menu Tree amp Specifications ccsccssssssssscsssssssssscsssssssssssseccssscees 9 1 APPENdiX cciiccdeciesadecssoncsdverseenavesvaccuacessusessaeeedeansecedsnsnessuedsdsecssdusssandessest A 1 ill TRAX Mite User s Manual Quick Setup Guide for the TRAX Mite 1 Turn the TRAX Mite ON Check the battery voltage Bat X X on the start up screens For longer studies week or more the voltage should be at least 6 4 It can be less for shorter counts but should not be below 6 1 2 Once the Main Menu appears press the DO key while Count is flashing 3 Select the type of study you wish to do by using the TAB key and hitting DO when your selection is flashing The options are Vol Volume or Binned Class Speed and Gap 4 After selecting your type of study you will be prompted to select a tube layout Refer to the diagrams on the TRAX Mite to make the appropriate selection Layouts L1 L2 L3 L4 L7 L8 and L9 are for Volume counts while layouts L5 L6 L10 L11 and L12 are for Binned counts Use the UP and DOWN arrow keys to choose a layout then press the DO key to select it 5 You will then be prompted to select a site code Press DO with Yes flashing to enter a site code or press DO with None flashing to not use a site code 6 Pr
36. tion Cannot view all of the information desired on the Mite s display after the study has begun There are multiple status screens that can be viewed while the Mite is col lecting data To view these screens use the TAB key 8 2 Chapter 8 Troubleshooting Serial Port test failed Make sure that you are using a test connector with the proper pin configu ration The test will fail if a test connector is not used The universal cable used for downloading cannot be used as a test connector The data produced is not accurate In most cases if the data is not accurate the problem is not with the Mite but the layout Check the tube layout used in the field and the condition of the tubes Make sure the tubes were set with the proper length spacing and perpendicular to the flow of traffic One simple condition check of a tube that is laid out in the field is to disconnect the tube from the Mite and hold the end to your cheek You should feel the air pulse as tires cross the tube If you do not there may be a tear in the tube or it may be blocked After setting up a counter always observe the display and traffic to be sure data is being recorded properly The Mite will not download Check your connection between the Mite and the computer Refer to Chapter 6 Downloading the TRAX Mite for other items to check The Mite displays File Error during the download process The counter may not have been cleared properly Once the c
37. tudy you want to remove is flashing then press the DO key You will see that the study you chose has been removed from the Options listed on the second line To re select a study that has been removed press the TAB key until the selection you want is flashing then press the DO key You will see the study you chose returned to the Options line When you have configured the options for the types of data that you want to collect press the TAB key until CONT is flashing then press the DO key You will be returned to the Defaults menu VOL Main Menu gt Utils gt Defaults gt Vol This selection allows you set how the data should be recorded when VOL VEH VOL AXLE doing a volume count Select EXIT VOL VEH for a divide by two study where every two hits on the road tube will increment the Mite by one Select VOL AXLE for an straight axle count where every hit on the road tube is counted as one T DATE Main Menu gt Utils gt T Date The T DATE short for Time amp Date option allows you setthe correct date HR MIN MN DYYR and time in the Mite Press the TAB 17 43 02 13 00 key to highlight the value you want to change Once the value you want to change is highlighted use the UP and DOWN arrows to select the correct entry When completed press the DO button Note that the real time clock in the Mite uses a 24 hour military format In other words 5 00 PM will be shown as 17 00 2 7 TRAX Mite User s Manual Count Menu The
38. ubes over two lanes Refer to the L1 de scription for more information 36 ft Round 36 ft Round 24 ft 26 ft Mini 26 ft Mini 24 ft lt A gt lt _ _ O sala TRAX Mite User s Manual L8 Four Lanes with Lane Separation A B minus A C D minus C Volume This layout is the same as the L2 layout but with four tubes over four lanes rather than two tubes over two lanes Refer to the L2 description for more information The tubes should be spaced two feet apart 36 ft Round 36 ft Round 26 ft Mini 26 ft Mini lt lt lt gt 2 foot spacing between tubes L9 Four Lanes with Lane Separation A to B B to A C to D D to C Volume This layout is the same as the L3 layout but with four tubes over four lanes rather than two tubes over two lanes Refer to the L3 description for more information The tubes should be spaced four and a half inches apart 36 ft Round 36 ft Round 24 ft 26 ft Mini 26 ft Mini 24 ft 4 gt 4 gt 4 5 inch spacing between tubes C Chapter 4 Road Tube Layouts L10 Two Directions No Lane Separation A to B C to D Binned Class Speed Gap This layout is the same as the L5 layout but with four tubes over four lanes rather than two tubes over two lanes Refer to the LS description for more information The tubes should be spaced eight feet apart and be of equal length 36 ft Round 36 ft Round 24 ft 26 ft Mi
39. ving when stuck by a vehicle Round Tube Installation Clamp Clamp End Plate End Plate Chinese Chinese Finger or Mastic Finger or Figure 8 Figure 8 MASTIC 6 Lengths are TUBE 60 ft lengths are recommended satisfactory Coil any excess tube near the counter The tube should be stretched 1 ft for every ten ft of road surface Mini Tube 187 ID x 365 OD Since mini tube is smaller and lighter than standard round tube less hardware is required to install the tubes Also mini tube should not be stretched when installed just placed on the road Webbing can be used to secure the tube at each end of the roadway You may tie a knot at the far end of the tube instead of using an end plug or PK nail Since the mini tube is light and low profile you may use duct tape or two inch mastic to secure the tube to the roadway Generally three pieces of tape mastic are sufficient To reduce wear and or breakage of the tape do not install the tape in the path of the vehicle tires When installing a short tube long tube configuration L2 L8 L11 L12 you may install both tubes completely across the road and tie a knot midway of the half tube This eliminates nailing the half tube on 3 4 Chapter 3 Road Tube Installation the center line which can create a safety problem for installation per sonnel Note that mini tube is not recommended for interstate or high speed highways Mini Tube Installation Mastic o
40. ware STATUS This option allows you to check whether there is data currently stored in the module 2 3 TRAX Mite User s Manual WRITE This option allows you to download data from your Mite into the data module You are asked to verify this selection several times to make sure this is what you want to do ERASE This option allows you to clear any data stored in the module You are asked to verify this selection several times to make sure this is what you want to do Once the data has been erased it cannot be restored so use this option carefully CLR Main Menu gt Utils gt CLR The CLR short for Clear option allows you to clear the Mite of all data currently stored in memory You must first select Clear and then confirm this selection to be sure you want to remove all data from the counter Note that once the clearing memory process has started you must allow the counter to finish before turning it off Turning the counter off before the clearing process is finished will result in a file error in the counter DEFAULTS The DEFAULTS option allows you to set a number of different default OPTIONS SYSTEM values in the Mite These values will BINNED VOL EXIT be retained in the nonvolatile memory of the unit and will be used with all future studies unless changed OPTIONS BVENWW ATTERSEE NN INT SPACE DT DTX DBV EXIT INT This selection short for Interval allows you to select in what time interval the data should be col
41. welve feet wide In order to ensure that the distance the air pulse has to travel from the edge of the road to the counter is the same for all tubes you should use 38 feet for the short tubes A amp C and 50 feet for the long tubes B amp D The short tubes will be installed over only one lane 12 feet leaving 26 feet of tube back to the Mite The long tubes will be installed over two lanes 3 2 Chapter 3 Road Tube Installation 24 feet but since they are 50 feet long you will still have 26 feet back to the Mite For round tube the lengths would be 48 feet for the short tubes and 60 feet for the long tubes It is very important that the air pulses travel over the same distance when two or more tubes are used to record data To accommodate the required length of tube brass splices may be used The splices are approximately three 3 inches long hollow and do not restrict the flow of air Do not use the splices on the roadway itself only on the section of tube after the clamp nearest the Mite Tube Placement Tubes should be placed exactly perpendicular to the flow of traffic to pre vent double counting When using two or more tubes that must be set at specific distances from each other always use a tape measure or ruler to measure from the center of each tube to determine the proper spacing In short tube long tube setups the short tube should be installed to the zone line center of the highway Observe traffic to be su
42. y only used for very low speed counting Refer to Chapter 5 for more information DBV This selection allows you to enter the distance between vehicles Enter in feet the longest distance between consecutive axles of the largest vehicle you would expect to see at the study site The Mite will use this number to determine if the distance between axles could be from the same vehicle or if the distance is great enough that the axles must be from separate vehicles Ex ample setting the DBV for 36 ft tells the Mite that any axles spaced at over 36 ft apart must be from separate vehicles In the diagram below a DBV setting of 40 ft tells the Mite the axles spaced at 30 ft could be from the same vehicle but the axles spaced at 42 ft must be from separate vehicles TRAX Mite User s Manual SYSTEM TESTS VEH DATE UNITS BAUD Main Menu gt Utils gt Defaults gt System TESTS VEH DATE UNITS BAUD EXIT This selection allows you to test several areas of the Mite to be sure it is functioning correctly To test the Mite s internal memory press the TAB key until Memory is flashing then press the DO key To test the Mite s display press the TAB key until Display is flash ing then press the DO key after each screen is shown To test the Mite s communications serial port press the TAB key until S Port is flashing then press the DO key Note that a test connector must be used to short pins 2 and 3 pins This test will f
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