Aim Mychron 3 Manual

Aim Mychron 3 Manual

The gauge isFinally, the internal lateral G-forceOur Customer Service is available every day from 9 to 5 and at most all the majorIf you have anyThe Display.6. The Keyboard.7. The alarm led and the gear display.8. The Speed sensor for CAR installations.9. The Speed sensor for BIKE installations.10. The Temperature sensors.10. The LAP receiver.11. The LAP transmitter (Beacon).12. Installing MyChron 3 Gold XG.14. Installing the H2O thermocouple (thermoresistance).16. Installing the EGT thermocouple.16. Installing the under-spark thermocouple.18. Installing the “CAR” speed sensor.19. Installing the “BIKE” speed sensor.21. How to power the gauge.21. How to sample the RPM.21Utility functions.37. Maintenance.42. Software installation.45. Installing the USB drivers.48. USB drivers troubleshooting.52Channels.60. Customize sensor.62. Channels configuration.64Gear sensor calibration.69. Online visualization.70Inserting the test in a database.74How to plot a channel.81. Track map creation troubleshooting.86. Configuration via keyboard.87. Configuration via software.90Here are the parts of your system. MyChron 3 Gold XG display unit and. Junction box. Gear tooth speed sensor (CAR installations) or magnetoresistive speedTemperature sensor: you may choose among Water thermocouple, WaterStandard harness (available, on request, as specifications). RPM cable (only for MyChron 3 Gold XG). USB data download cable and Race Studio 2 CD-ROM. Optional accessories. External gyroscope for MyChron 3 Gold (BIKE installations). Linear and angular potentiometers (Gold versions only). Sensors’ extension cables. Optic lap receiver and transmitter.Incorrect installation mayIn the following drawing it is represented your MyChron 3 Gold display unit: inAL.1 to AL4) and, in the upper part, you can find the gear number display and 10In the following pages it will be described the different parts of MyChron 3Speed measureLow batteryNight Vision. TemperatureConfigurableLap (split) time.http://genius.pskovedu.ru/site/htmlimages/channel-master-4228-manual.xml

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The wide display with backlight shows RPM (graphical bar), temperature andIt is also possible toMph) or the best lap time. When you are not running it is also possible to see theThe display also shows some small icons, showing the configured Temperature. Warning, that appears when the battery voltage is low.The Keyboard is composed of four push-buttons and it is used to configure theThe four pushbuttons are used for. Used in configuration to switch to next option; also used to switchUsed to confirm a configuration, to retrieve recorded data and toIn the middle of the keyboard, protected by a plastic cover, it is located theIn the following picture it is reported a drawing of MyChron 3 Gold Car displayThe alarm led are placed on the left and right of the main display: on theThe four led are red colored. The RPM led are placed in the display unit upper part: this fullyThe Gear display is placed in the middle of the RPM led. This digitalThe wheel speed sensor for gear tooth belongs to the “non contact” devices and itThe instrument’s measure range is included between 0.5 and 2 mm: the optimumOptimum sensor performance is dependent on the following variables, whichPlease refer to the “Installing the. CAR speed sensor” paragraph for further information. The speed sensor is supplied with an 80 mm long cable. In the following drawing you can see the gear tooth speed sensor side view (onThe magnetoresistive speed sensor is a high sensing distance instrument: itsPlease refer to the “Installing the BIKE speed sensor” paragraph for furtherThe speed sensor is supplied with a 1700 mm long cable. In the following drawing you can see the bike speed sensor and, on the right, theThe Temperature sensorsThermocouple or thermoresistance extension cables are available with lengthsThe LAP receiver. The infrared lap receiver is used to recognise a signal, called “lap marker”,The Infrared receiver has to “see” theThe optical Beacon Transmitter has to be placed on the trackside to mark laps.http://hongphuc.vn/userfiles/changing-xp-boot-screen-manually.xml

Ensure the infrared receiver eye faces the side of the track where the BeaconThe Beacon transmitter is powered using 8 AA batteries or an external 12V powerThe transmitter has two operating modes: Low power and High power. The Low. Power Mode has to be used when the track is less than 10 meters wide, whilePlease, remember that, in High Power Mode, the transmitter has to beThe first installation step consists in mounting the Gauge in your car’sIt is recommended to choose a place where the instrumentIn order to correctly measure the lateral g-force using the internal accelerometerInstalling MyChron 3 Gold XG. Your MyChron 3 Gold XG is composed of two separate objects (the display unitIt is recommended to choose a place where both the display unit and the JunctionAvoid rigid connections between the Junction box and the chassis. It isWe remind you that your MyChron 3 Gold XG is not equipped withIn order to correctly measure the lateral g-force using the lateralInternal lateral accelerometerPower IN. BeaconJunction. BoxThe H2O thermocouple and the thermoresistance can be installed in the inlineIn the following drawing it is represented how to correctly install the waterJunctionInstalling the EGT thermocouple. The Exhaust Gas Thermocouple (EGT) should be positioned inside the exhaustIt is recommended that the probe be inserted between 25% and 50% inside theTo install the EGT thermocouple, please follow these instructions:When using a Cylinder Head Thermocouple (CHT) sensor, always remove theWhen tightening and loosening the spark plug, minimise movement of the sensorCHT thermocouple. Spark. Cylinder head. Installing the “CAR” speed sensor. The wheel speed sensor for phonic wheel belongs to the “non contact” devicesWhen mounting the sensor, please firmly install it on a self-made iron bracket andOnce the sensor has beenIn the following table it is reported a short description of the minimum values forDescription. Value (Minimum).

Tooth height (A)Tooth width (B)Tooth spacing (C)Thickness (D)In short, optimum sensor performance is dependent on the following variables,When mounting the sensor, please firmly install it on a self-made iron bracket andOnce the sensorGold. How to power the gauge. The gauge must be powered by an external 9-15 VDC power source. Do notHow to sample the RPM. The RPM signal may be sampled either from the ECU or from the coil. The RPM signal sampled from the ECU is a square wave signal (from 8The RPM signal sampled from the coil is a high voltage RPM input (fromIt is also reminded to connect either the RPM signal from the coil or the. RPM signal from the ECU, NOT both (this event creates shortcuts).Before getting started, please configure your gauge in order to get correctTo exit CONFIGURATION MODE and return to MAIN DISPLAY MODE, pressThe parameters you can set in CONFIGURATION MODE are here above. The blinking number identifies the digit that can be edited.To set the Beacon obscuring time, after having entered theThe procedure to be followed isThe gauge supports gearboxes with a gear number up to 9. If your vehicle’s gearbox has a gear number lower than 9The blinkingWhen the correct RPM value is displayed, press buttonThe 10 led are colored in the following way: the first two onWhen the engine reaches the RPM value set for the 5th led, allThe RPM value can be set between 0 and 29999; if you set anThis function sets the wheel circumference (in mm or inThis parameter is fundamental to correlate the wheel’sThe blinking digit identifies the digit that can be edited. The wheel circumference value can be set in a range includedWhen the correct circumference value has been set, pressPhonic. This option allows the user to set the phonic wheel’s teethThe speed sensor, passing by a gear tooth, generates anThe blinking digit identifies the digit that can be edited. This parameter is included between a minimum value of 0 andMax RPM.

This function sets the maximum scale for the graphical RPMToTo set the Spark for Revs, after having entered theTemperature. This function sets the temperature’s unit of measure: the userToFirmware. This function shows three numbers, which represent,ToMoreover, together with the channel’s values, the display showsA number (from 1 to 4), which identifies the sensorFor instance, if you connected a temperature sensor on channelMoreover, the gauge saves theYour gauge’s memory is divided into two separate parts. In theIn the second one it is only stored theIf during race the “sampled channels” memory fills up, theMeasures mem fullLap Memory full. The gauge will keep on recording the channels’ values. When both memories are full, the following text will beMemory fullIt is recommended toWhen a test is completed, the system displays the last lap number and last lap. Let’s now see how to retrieve data after the completion of a test. Viewing data. To view the data for the lap with the best lap time, pressThe best lap time is displayed for the most recent test. TheThe instrument will also show the test and lap number andIf you press button VIEW in one of the two previouslyPress button VIEW again to quit replay mode or press buttonTo view completed lap data, while in general display mode,To retrieve previous test data (when more than one test hasSetting the number of splits. Select the “Number of Splits” option. Setting the obscuring time. Select the “Obscuring Time” option. Gear calibration. Select the “Gear calibration” option. If you have selected the “Gear with sensor” option, follow theseEngage the NEUTRAL gear.Engage the first gear.Once the last gear has been engaged, press buttonShift lights configuration. Select the “Shift light” option. Press VIEW to quit.Select the “Wheel circumference” option. Setting the pulses per wheel revolution. Select the “Pulses on wheel” option. Setting the maximum RPM value. Select the “Max RPM value” option. Setting the RPM factor.

Select the “Spark for revs” option.Press VIEW to switch from RPM to speed. Press VIEW twice to return to main display mode. Viewing other completed lap data. Press VIEW to return to main display mode. Configuration via software. Install Race Studio 2 software (see “Software installation” paragraph). Connect the instrument to a “switched on” PC by using the USB cable.Start Race Studio 2.Set the correct values in the boxes of the “New configuration” dialog box. Click “Channels” button.Click “Configuration” button and set the following parameters. Message language. Wheel circumference and pulses per wheel revolution. Shift light led. RPM multiply factor and RPM maximum value. Channels’ alarms. Speed, temperature and pressure unit of measure. Beacon receiver obscuring time and number of splits. Transmit the configuration to the instrument by pressing the “Transmit”Transmit the calibration to the instrument by using button “Transmit. It is very important that your MyChron 3 is correctly installed to capture consistent and accurate data. Incorrect installation may result in system malfunction. In the following drawing it is represented MyChron 3 mounted on a kart steering wheel. Your MyChron 3 has also an automatic power down feature that turns the power off after 10 minutes of inactivity. When running the RPM cable along the chassis between the MyChron 3 display unit and spark plug wire, the RPM cable should be positioned as far as possible. Ensure the infrared receiver eye faces the side of the track where the Beacon has been placed, otherwise the system will not record lap time. The Beacon transmitter is powered using 8 AA batteries or an external 12V power cable. It is recommended to follow these instructions in order to preserve your instrument and to capture consistent and accurate data. Installing and changing the display batteries Two AAA alkaline batteries power MyChron 3.

If the steering wheel arms are solid, mark the point where the hole is to be drilled and then indent a drill reference point with a large nail or hole punch, to minimize drill wander. While running the RPM cable along the chassis between the MyChron 3 display unit and the spark plug wire, the RPM cable should be positioned as far as possible from the thermocouple wire. In the following drawing it is represented how to correctly install the water thermocouple for the M5 type. In the following drawing it is represented a correct installation of the EGT thermocouple. When tightening and loosening the spark plug, minimise movement of the sensor to avoid damage. On the back of the display unit you have to connect the temperature cable to the upper binder and the lap cable to the lower one. MYCHRON 3 Instrument name.For instance, if your Lap time is about 1 minute, set this parameter at 50 seconds. AIM suggests always installing only one transmitter at the trackside. The Beacon obscuring time can be set between 3 and 59 seconds. A two-stroke engine has one spark signal per revolution, while a four-stroke engine has a spark every two engine revolutions.This data can be retrieved at a later stage for analysis. MyChron 3 segments data for a session as a test and each test includes the laps completed in that session. To begin recording a new test, please turn off your system off by pressing buttons MEM and VIEW simultaneously, and then turn the system back on. Replaying If you wish to replay detailed data for a lap, you may choose detailed data between an AUTOMATIC way and a MANUAL one. To return to general display mode press VIEW. The view data function for the oval racing karts is different View data for oval racing from the one previously described. Press MEM to enter the “recall data from memory”.

Provided adequate care is taken with the display unit and components, the only maintenance will be to upgrade the firmware when upgrades are released by Aim ( periodically check www.aim-sportline.com. To install the software, insert the CD inside the CD-ROM drive: if the autorun option is enabled ( most of cases ), software installation will automatically start, otherwise click twice on SETUP icon. By using button Browse, it is possible to choose the software installation folder: if you do not wish to change the settings, the software will be installed in the default folder “C:\Program files\AIM”. If you click on Next button without modifying the settings, the icons will be created in a folder called AIM. The following window is a recapitulating screenshot: please click on Next button to install the software or Back to modify some installation parameters. Now, to run the program, click twice on Race Studio 2 icon, which will appear on your computer’s desktop once the installation has finished.Now turn on both computer and MyChron 3. Transmitting the configuration to MyChron 3 Once set all the parameters, it is necessary to transmit the configuration to the instrument. By using this option you will be able to download and save the configuration previously stored in the instrument’s memory. Once saved the previous configuration on your PC’s hard disk you can restart the configuration transmission procedure. Press MEM to return to “automatic lap replay”. Our Customer Service is available ev ery day from 9 to 5 and at most all the major races th roughout the country to provide you with personal service. Please call our toll free number (800.7 18.9090 in the USA) or visit our web site www.aimsports.com or www.aim-sportline.com if you have any questio ns, need help, or want to give us feedback. Thank you for your My Chron 3 purchase. 1 2 3.

55 Summary of content (55 pages) Page 1 Dear MyChron 3 Owner The MyChron 3 represents the new generation of AiM data acquisition systems that provides the kart racer with a sophisticated and easy to use display normally reserved for premium sports cars. Page 5 Fig 1. Page 6 MyChron 3 and its parts Before installing MyChron 3, please read these installation instructions carefully. In the following drawing a MyChron 3 is shown mounted on a kart steering wheel. Page 7 The Display RPM display Low battery warning Night Vision Temperature RPM digital display Temperature measure unit Lap number Lap time The wide display with backlight generally shows RPM, temperature, completed lap number and, when the kart passes in front of the beacon, it shows the Lap Time ( or Split Time ). It is also possible to configure a second page ( using button VIEW ) in order to see RPM digital value ( as showed in the previous drawing ) or best lap time. MEM Used to CONFIRM a configuration and to retrieve recorded data. Page 9 The RPM Cable This clip wire is designed to be plugged directly on the spark plug wire and it is used for RPM pick up from single cylinder 2-4 stroke engines. When running the RPM cable along the chassis between the MyChron 3 display unit and spark plug wire, the RPM cable should be positioned as far as possible from the thermocouple wire. Page 10 The Thermocouple The MyChron 3 Basic model supports one temperature sensor. The Optic receiver requires an Infrared Transmitter (beacon), at the side of the track; for magnetic receiver, the track must have a magnetic strip installed. The Infra Red receiver has to “see” the transmitter placed on the trackside; the grey point is the receiver eye. The Magnetic receiver has to be installed on the floor of the kart, with two tyre wraps. Page 12 The Optical beacon The optical Beacon Transmitter has to be placed trackside to mark laps.

Ensure that the infrared receiver eye faces the side of the track where the Beacon has been placed, otherwise the system will not record lap time. The Beacon transmitter is powered using 8 AA batteries or an external 12V power cable. If you are using 8 AA batteries, unscrew the back cover of the Beacon transmitter and place the battery pack into the transmitter casing. Page 13 To activate this function, open the Beacon transmitter with a screw driver and move the jumper ( located directly below where the battery pack is attached to the beacon transmitter board ) over either one of the two connectors ( for low power mode ) or over the two connectors ( for high power mode ). When the Beacon transmitter operates on high power mode, both the power led lights will light up when the transmitter is turned on. Page 14 How to install MyChron 3 Now you can start installing MyChron 3 on your kart. It is recommended to follow these instructions in order to preserve your instrument and to capture consistent and accurate data. Installing and changing the display batteries Two AAA alkaline batteries power MyChron 3. The batteries provide approximately 40 hours of use. When the batteries require replacement ( Page 15 Installing MyChron 3 on the steering wheel Most of steering wheels have existing holes in the three central arms that will accommodate the MyChron 3 display unit. If the steering wheel arms are solid, mark the point where the hole is to be drilled and then indent a drill reference point with a large nail or hole punch, to minimize drill wander. It is recommended that an 8 to 10 mm drill bit be used. Do not over-tighten the 8 mm nut. Overtightening the nut may cause damage to the display unit casing. Page 16 Installing the RPM clip The RPM sensor clips directly on the spark plug wire.

While running the RPM cable along the chassis between the MyChron 3 display unit and the spark plug wire, the RPM cable should be positioned as far as possible from the thermocouple wire, to prevent interference. It is suggested to use cable ties to securely attach the RPM cable along the chassis to prevent damage. Page 17 Installing the water thermocouple The H2O thermocouple can be installed directly into the cylinder head ( if the engine accommodates the thermocouple ) or by using the water thermocouple M5 fitting ( sold separately ) for the M5 type. The drawing below shows how to correctly install the water thermocouple for the M5 type. Page 18 Installing the EGT thermocouple The Exhaust Gas Thermocouple ( EGT ) should be positioned inside the exhaust header pipe at a distance of 150 mm ( 5.9 inches ) from the exhaust port. The following drawing shows a correct installation of the EGT thermocouple. It is recommended that the probe be inserted between 25% and 50% inside the exhaust gas header. Page 19 To install the EGT thermocouple, please follow these instructions: 1. Make a 5 mm ( 0.2 inches ) hole inside the exhaust header; 2. Weld the little nut to the exhaust header in the place where the hole has been drilled; 3. Screw in the nut the central part of the EGT thermocouple; 4. Connect the remaining part of the thermocouple and fix it to the exhaust header by screwing the big nut. Page 20 Installing the Underspark thermocouple When using a Cylinder Head Thermocouple ( CHT ) sensor, always remove the spark plug washer before inserting the spark plug into the sensor. When tightening and loosening the spark plug, minimise movement of the sensor to avoid damage. The following drawing shows the correct installation of the underspark thermocouple. Page 21 Connecting cables to MyChron 3 Once all the sensors and accessories for your MyChron 3 are correctly installed, you need to connect them to the main display unit.

On the back of the display unit, connect the temperature cable to the upper binder and the lap cable to the lower one. The RPM cable must be placed inside the two holes on the left of the display unit ( as seen from behind ). Page 22 While connecting the cables to the main display unit, it is strongly recommended to keep separate the infrared or magnetic receiver, RPM and thermocouple cables, in order to minimize interference between cables. The Beacon obscuring time can be set between 3 and 59 seconds. A proper obscuring time helps the MyChron 3 to know which lap beacon is the correct one to read. AIM recommends using only one lap transmitter at the track. The blinking digit identifies the digit that can be edited. When the required temperature has been set, press MEM to save changes or press VIEW to discard changes. The temperature alarm can be set between 0 and 1999 degrees. When the system displays a temperature greater than the alarm value, the temperature on the display will begin flashing. Page 28 Spark for This option represents the number of spark signals for every Revs engine revolution. A two-stroke engine has one spark signal per revolution, while a four-stroke engine has a spark every two engine revolutions. Press MEM to save the changes or VIEW to discard the changes. Page 30 The standard racing option allows the user to set all the parameters described in the previous paragraphs, while the oval racing option sets some of these parameters (RPM factor, Obscuring time, Split number, Display language) to a fixed value. The gauge will automatically switch from “Standard racing” to “Oval racing”. Page 31 Utility functions Once your system is configured, you are ready to manage the data you have acquired with your gauge. MyChron 3 records lap time, RPM and temperature at a sampling rate of 10 Hertz ( ten times per second ). This data can be retrieved at a later stage for analysis.

Page 32 When a test is complete, the system displays the last lap number and last lap time. Using button MEM you can access the data stored in system’s memory. Here’s how to retrieve data after the completion of a test: Viewing data To view the data for the lap with the best lap time, press MEM per best lap while in general display mode. The best lap time is displayed time for the most recent test. The system displays the test number, lap number, maximum temperature for the lap and the lap time. Page 33 Replaying If you wish to replay detailed data for a lap, choose Manual or detailed data Automatic replay. Page 34 View data for For Oval Racing, the view data is different from the one oval racing previously described. Press MEM to enter the “recall data from memory” function: it will show the best lap time for the last test session. Provided adequate care is taken with the display unit and components, the only maintenance will be to upgrade the firmware when upgrades are released by Aim ( periodically check www.aimsports.com or www.aim-sportline.com ) and to change the display unit batteries when the low battery indicator appears on the top right hand corner of the display. Upgrading To upgrade the firmware, please visit to our website the www.aimsports. Page 36 MyChron 3 and the computer MyChron 3 has a non volatile RAM memory which guarantees the capacity to record up to 250 laps at a sampling frequency of 10 Hz ( ten times per second ). MyChron 3 has been designed and developed to connect with a PC: through a USB cable it is possible to connect MyChron 3 to a PC in order to both download the data stored in memory and configure your instrument. Check with your local dealer to purchase this kit. Once you have the kit, to install the software, insert the CD inside the CD-ROM drive: if the autorun option is enabled ( most of cases ), software installation will automatically start, otherwise click twice on SETUP icon.

Page 38 Now choose the type of installation you prefer: as reported in the following screenshot, it is recommended to place a check beside Typical and to click on Next pushbutton. By using button Browse, it is possible to choose the software installation folder: if you do not wish to change the settings, the software will be installed in the default folder “C:\Program files\AIM”. If you click on Next button without modifying the settings, the icons will be created in a folder called AIM. The following window is a summary screenshot: please click on Next button to install the software or Back to modify some installation parameters. Page 40 The following screenshot is the final one: please click on Finish button and, then, launch the program. Page 41 Now, to run the program, click twice on Race Studio 2 icon, which will appear on your computer’s desktop once the installation has finished. Page 42 Installing the USB drivers Please, read these instructions carefully in order to correctly install the USB drivers: an incorrect installation may cause serious problems on your computer. To connect your MyChron 3 to a PC, use the USB cable that comes with the download kit. With the PC and the MyChron 3 turned off, connect the cylindrical connector of the cable to the MyChron 3 USB port and the other end to your PC’s USB port. Now turn on both the computer and MyChron 3. Page 43 4. If the autorun option is enabled the system will try to install Race Studio 2. As you have already installed it, please exit installation menu. It is reminded that, before starting the configuration via software, you should install Race Studio 2 and the USB drivers as mentioned in the previous chapter. Page 45 On the left of the window you will see the icons corresponding to all the Aim instruments supported by Race Studio 2: Dash ST1, MyChron 3, Evo 3, Drack, MyChron Pro, MyChron 2, MXL, etc. To select MyChron 3, please click on the corresponding icon.

Now it is possible to configure the instrument: in order to start the configuration procedure, please click on the icon Logger manager. Page 46 The user will have to set some parameters, listed here above. New configuration name. Data logger type; ? Vehicle name; ? Vehicle’s wheels number: at choice between 2 and 4. Beacon receiver’s obscuring time: minimum value 3 and maximum value 59 seconds. Pressure measure unit: at choice between Bar and PSI. Once filled all the boxes of the previous screenshot, click on the OK pushbutton to save the settings. Page 48 ? Logger information: this button allows the user to detect the characteristics of the MyChron 3 connected to the PC. Transmit: this button is used to send the configuration over to the MyChron3 once you have finished. Receive: if you connect to a PC a data logger of whom you do not know the configuration, you may detect its configuration, by clicking the Receive button, and to save it in the configuration’s database. Online: the Online button allows the user to make a data acquisition simulati Page 49 Channels settings Clicking on the Channels pushbutton it will appear the following screenshot: The only configurable channel is the RPM one: to configure this channel it is necessary to click twice in the box corresponding to the RPM row and the Param. 1 column. Page 50 Configuration via “Visualization” pushbutton By clicking on the Visualization icon the following screenshot will appear: The user can set the following parameters. Display language: choose English, Italian, French, German, Spanish or Slovenian. Lap: the user can set both the Obscuring time ( in a range between 3 and 59 seconds ) and the number of Split times (see page 24 for more information). Transmitting the configuration to MyChron 3 Once you set all the parameters, it is necessary to transmit the configuration to the instrument.