v1.20 Onwards Revision 1.1

Transcription

1 DATAVIEW Pg. 1/133 v1.20 Onwards Revision 1.1 Digitek S.p.A. via L. Romagnoli CONCORDIA s/s (Modena) Italy tel fax web page:

2 DATAVIEW Pg. 2/133 INDEX Introduction Overview PC requirements USB key and driver installation Installation Data View Upgrades Communication / Ethernet Communication / Ping Data View Overview Initial setup / lap define Initial setup / Miscellaneous / Distance Initial setup / Miscellaneous / special channels Initial setup / Miscellaneous / circuit compute User configuration Message history Restore laps Edit properties / header Edit properties / comment Edit properties / session Edit properties / car Edit properties / constants Edit properties / offsets Edit properties / record Edit / Channel info Tools / Search laps Data browser layout Export / DTX Export / DTX channels Export / Ascii Export / Binary Capture configuration Channel browser display Capture / setup acquisition Channel browser options 3.2 Capture / acquisition files / Options / manual Open data - overview Capture / acquisition files / Options / Run sys Capture / acquisition files / Car Capture / acquisition files / Destination files Capture / acquisition files / Session Capture / acquisition files / offsets Capture / acquisition files / user record Capture / acquisition files / constants Download overview Memory Shark Memory Cobra Manual download Manual system Manual download Run system Automatic download Manual system Automatic download Run system Connection tools Clear data Re-start Show devices & Alias Show laps table General setup / graphs General setup / data RX General setup / Colours General setup / Search General setup / Miscellaneous Data file management Delete laps Data selection Data comparison Scaling Automatic Parameters Parameters / run average Parameters / frequency filters Local scaling Alarms Alarm window Graph window New / load / swap Page layout Add / remove channel Properties Page Properties channel Time / Distance Shift Info Max / Min Cursor Search Zoom Snap XY window New / load / swap Page layout

3 DATAVIEW Pg. 3/ Properties Window Properties Channel Manual scaling Manual positioning Interpolation Best Fit XYZ window New / load / swap Page layout Properties Window Properties Channel & Manual scale Interpolation Best fit Z Scale Zoom Rotate Histogram window New / load / swap Page layout Properties Window Properties X scale Properties - % scale Trend window New / load / swap Page layout Properties Window Properties - Channel Lap report window New / load / swap Page layout Properties Export as text Circuit window New / load / swap Page layout Properties Marker Mapping see section Computation / saving PSD window New / load Page layout Properties Numeric New / load Page layout Export as text Mapping - overview Setup Manual definition Automatic definition / Throttle Automatic definition / lateral G Insert / remove point Load / save Show split time Show map report Show histogram Show table IN-MED-OUT Show table MED Zoom map Circuit mapping display Layout overview loading & saving Configuration bar see section Real time telemetry Hardware & setup Graph Diagnostic Alphanumeric Circuit / linking Activate Data files Mathematical channels (Virtual) - Overview Creating new / naming Load / save Functions Operators File constants Conversions Constants / variables Export Sort Miscellaneous functions KUS Overview / configuration Conditional channels Search T Print Adding / remove notation Print setup Tool bar Configuration bar User bar Data header DLM information

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5 DATAVIEW Pg. 5/ Introduction This section covers all of the information you will need to initiate work with Data View. All features covered by this manual are applicable to both the Cobra and the Shark data logging systems, unless the section specifies otherwise. Each computer must be fitted with a USB protection device called DK-Lock before data view will operate. 1.1 Overview The Data View software tool is a high level analysis tool, as well as acting as the hub for control of real time telemetry and data export.

6 DATAVIEW Pg. 6/ PC requirements The system is able to function on any modern PC running either Windows2000 or Windows XP, our personal preference is for WindowsXP. To cover all eventualities your PC should have the following software/hardware systems installed: o 10/100BaseT Ethernet port with Microsoft protocol TCP/IP installed o RS232 Serial port which can be used for certain programming operations o Type II PCMCIA card slot (Shark system only) o USB port o Microsoft Internet Explorer 4 or later (ensure this is set to Work Online)

7 DATAVIEW Pg. 7/ USB key installation. For your computer to recognise and function with the DK-Lock protection key it is first necessary to install the device USB drivers. From the Hardlock folder on your system CD, run the hldrv32.exe file, follow the installation in the normal way. Insert your DK-Lock key, Windows should find the new software without problem. To check the correct installation and recognition of your key, refer to Start / settings / control panel / system / hardware / device manager / Universal serial bus controllers. The key will be denoted by the name Alladin USB key There have been cases of incompatibility Windows XP Service Pack2 operating system. In this case, it is needed to manually install the custom drivers by the following steps: - run the installation file HASPUserSetup.exe - copy the file hlvdd.dll to C:\WINDOWS\system32 Note: These files are located on your system CD under the Hardlock menu Note: For this manual installation the DK-Lock key must be fitted to the PC. IMPORTANT Always make a system back or restore point up before any installation process

8 DATAVIEW Pg. 8/ Installation Insert the system CD and under the Data View folder Run the Setup.exe file to install the software. This will create both a desktop icon and a shortcut under Start / Programs / Digitek Corse / Data View If you have been given a set of pre-defined system files, they can be manually copied to the folder.c:\dataview\setup You will also receive a set of files marked as CLL, LPS and TPX which will be unique to your system, these should be copied manually into the folder c:\ TableManager ETH\tables. If you have not already done so, you will also need to install a program called DK-Link which is also located on your system CD in the Dklink folder, run the setup.exe. The DK-Link program should be running in minimised mode whenever you need to communicate with any logger. See section 1.6 IMPORTANT Always make a system back or restore point up before any installation process

9 DATAVIEW Pg. 9/ Upgrades Due to ongoing development of this software you will periodically be sent an upgrade version. This can be installed over the top of an existing installation and will not overwrite any of your customised system files. IMPORTANT Always make a system back or restore point up before any installation process

10 DATAVIEW Pg. 10/ Communication Ethernet To activate any communication session between a logger and your PC it is first necessary to have both the PC and the logger working within a similar IP network group. The default IP setting of your data logger will be written on the documentation, which is sent with it. To change your computer IP setting, select: Start/settings/network connections select the Local Area Connection / Internet Protocol TCP/IP to display the IP properties as shown here. You only need to change the IP address and the Subnet mask, all other properties are unnecessary. Press Ok to accept the changes. The IP shown in this picture is only an example and should not be copied. For users who need to change the IP of the data logger to suit a fixed network IP, we have specific re-programming tools for this purpose, contact your dealer. Understanding IP addresses. There are 3 significant lines to the IP Address. Top line is the IP Address which has 4 sets of 8bit values separated by a dot eg: Middle line is the Subnet mask which is typically or The default gateway is unimportant. The IP Address is split up into 2 sections known as the Network IP and the Host. To determine which part of the IP Address relates to which section (Network IP or Host) it is necessary to look at the subnet mask. Subnet mask Example 1 A Subnet mask of means that the first 2 parts of the IP address are Network IP and the second 2 parts are Host Subnet mask Example 2 A Subnet mask of means that the first 3 parts of the IP address are Network IP and only the last part is the Host For PC s or loggers to communicate freely on the same local network the Network IP and the Subnet mask must be the same. Individual data loggers or PC identity is defined by the value of the Host. The Value of the Host is an 8 bit number which is In reality you are only able to use numbers from 1 to 254. Examples. Address Subnet To add a logger to this Network group you can program the logger with the following: Address to 254 as long as it is not 18 or Address to 254 as long as it is not Basically you are using the same Network IP and only making a change to the Host to define individual identity. You will see that a subnet mask of gives a maximum possible number of hosts of only 255. A subnet mask of gives a maximum number of hosts of 255 x 255 = 65,000.

11 DATAVIEW Pg. 11/133 The Network IP can be any number at all as long as it falls between 1 to 254 for each of it s 3 possible parts.

12 DATAVIEW Pg. 12/ Communication Ping DK-Link Once installed DK-Link may be started from Start/programs/digitek Corse/DK-Link. It can also be Run from Table Manager by selecting Network / Ping. IMPORTANT - Without this program running it will be impossible to communicate with any data logger. With a data logger is connected with power on, and both the logger and PC are operating in the same Network IP range, DK-Link should look like this. In this case there is a data logger of serial number Shark_003. The type of the logger is Shark, and the current Alias is not present and indicated by the /... To learn more about Alias, refer to section 1.4c of the table manager manual. If for any reason the data logger is not seen by DK-Link the window will look like this. It will also appear to blink every few seconds as the screen automatically refreshes itself by Pinging the network. In this case of no communication check the following. o Power supply to the data logger o Code Load is not connected with ground o The Key input is switched to 12v (Shark system only) o The Ethernet connection wiring is correct o TCP/IP is installed on your computer o There are no conflicts or problems with your network card o The IP of data logger is known and the PC - IP address is set accordingly o Internet Explorer 4.0 or later must be installed

13 DATAVIEW Pg. 13/ Data View Overview The Data View analysis software is generic and is able to perform a wide range of functions, not all of which are required by the system you are using. For this reason there is a small amount of initial setup and configuration work required to tailor it to your needs.

14 DATAVIEW Pg. 14/ Initial setup / Lap definition This function will search the incoming data for a specified channel to indicate the beginning or end of lap. This channel is typically Time or Space (lap distance). Without this setting the start/end of lap will be decided from the second where the lap beacon signal is seen. For comparison operations it is vital to align the compared data as accurately as possible. Both the Time and Space channels of your logger will return to zero when the lap beacon is seen. Either may be used to define the laps, but it is recommended that Time is used as it does not rely on any external measurement to generate its signal. The Time should be samples at least 100Hz Select Utility / Define laps / Configure to display this window. Press Ok to accept changes and close the window. Typically the lap will start when the channel returns to zero, you are however given the possibility to move this Press to open the Channel browser, double click to select your channel The lap definition data source also needs to be specified, select Setup / General / DataRX tab to display this window. Double click the Lap Definition to open the sub-window Double click to open the sub window. Ensure that both the Ethernet and the Real Time boxes are ticked. Press Ok to accept

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16 DATAVIEW Pg. 16/ Initial setup / Miscellaneous / Distance The miscellaneous configuration plays a vital role within Data View and must be configured correctly before many of the functions will operate correctly. Select Configure / Miscellaneous to open this window. Press to open the Channel browser, double click to select your Space channel Choose a channel which contains your vehicle distance is meters Leave blank decimals are not supported or required See notes below ref distance alignment Always leave active This feature improves the visualisation of data when the X axis of a graph is set to Distance. See notes below. Distance alignment. He fundamental problem when comparing any two data sets is to ensure that each piece of data is occurring at the same place on the track. The start of the lap is very accurately defined by the lap beacon, from this point forward the vehicle position is derived from the wheel speed inputs to give a distance (Space channel). The Space channel is automatically re-set to zero at the start of the lap and accumulates upwards to reach a maximum as the vehicle passes in front of the lap beacon again. Presuming there are no speed signal irregularities, a fixed length of test track will produce a measured distance with a degree of variation. This variation can be considerable if there are a lot or corners and a different driving line is used for each piece of data. The only solution is to fix the data to 2 known values, one being the beginning at zero meters and the other being the end of lap distance from the first comparison lap selected. Using this fixed range, all comparison data is either stretched or compressed in distance to make a perfect fit. Skip distance alignment Use if comparing data of significant length variation. Align to maximum distance Uses the maximum length of the first comparison data selected. Align to minimum distance - Uses the minimum length of the first comparison data selected. Align to average distance - Uses the average length of all comparison data Align to You define the distance in meters Max difference Define a permissible tolerance, which is acceptable for the alignment process. If your data exceeds this limit you will be prompted with a warning and offered the choice to align or not. Exclude test laps The alignment process will only be carried out with data containing a beacon > beacon structure. Distance interpolation All data is captured with reference to a time base (Hz). The distance resolution is however only 1m, this means there may be many actual measuring points within each meter. When viewing data against X axis distance this function automatically interpolates the 1m resolution to avoid visual distortion of data. It is recommended to leave this function ON.

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18 DATAVIEW Pg. 18/ Initial setup / Miscellaneous / special channels These special channels are used by Data View to create the circuit (test track) shape. Remember that the shape created will be based on the driving line taken, and may not identically represent the circuit layout. Choose the channel, which contains your vehicle speed in Kmh Choose the channel, which contains your vehicle lateral G Choose the channel, which contains your vehicle longitudinal G Offsets For data which has not been correctly calibrated it is possible to apply offsets both positive and negative to trim the circuit shape computation. For most situations it is preferable to leave at 0

19 DATAVIEW Pg. 19/ Initial setup / Miscellaneous / circuit computation The options given here are purely for adjustment of the way the circuit is displayed. Circuit rotation with 90deg movements Activate if your circuit shape is a mirror image of the true circuit. When active this will join together both ends of the circuit shape regardless of the calculated final position. It is also presumed that the start and end of lap will join together in a straight line. Auto correction ON Auto correction OFF

20 DATAVIEW Pg. 20/ Initial setup / User configuration The User function allows a number of different operators to use the same PC without modifying or affecting the functions defined by other users. To create a new user select Setup / User / Create to display this window. Give a name then press OK. Each new user will be given a unique sub folder c:\dataview\setup\newuser Each user will be given unique control over the following configurations: Graph Histogram XY XYZ Lap report Parameters Circuit marker Numeric table Screen layouts Configuration bar The following configurations are global to all users General setup Virtual channels Miscellaneous Mapping parameters Session setup Car data setup Alarms Lap definition KUS T1 search Directory storage locations

21 DATAVIEW Pg. 21/ Initial setup / Message history The message history requires no configuration from the user, it is simly a visual record of activities and any warning messages that have occurred during recent activity. In the event of any system problems you may be requested to send a TXT file showing the message history to the system supplier. To access the history, select View / message history to open this window. Create a text file Clear all messages

22 DATAVIEW Pg. 22/ Capture configuration Overview Data view offers a vast range of options to manage the way data is captured from the logger, as well as data storage and data management. The following sections will cover every configuration option. The actual download process will be covered in section 4.

23 DATAVIEW Pg. 23/ Capture / Setup acquisition Select Capture / Setup acquisitions to display this window. When active, the download process will begin immediately that the presence of a device with new data is recognised. For more information about manual & automatic downloads refer to section 4.3 Select a source for the data. Local disk = internal flash memory of the data logger Flash card = PCMCIA memory card for use with Cobra only. Auto re-start Following a sucessful download the logger will wait for 2 minutes or until the cable is disconnected before resuming the logging. T lap loop only becomes highlighted when the Auto Download is switched off. This function automates the process of displaying the manual selection lap list. If Auto restart is active the logging process will begin immediately the acquisition trigger becomes valid following the download. For more information refer to the Table manager manual. When active the list of laps in memory will be displayed as soon as the connection is recognised.

24 DATAVIEW Pg. 24/ Capture / acquisition files / options / manual Select Capture / acquisition files / options tab to display the following window. The entire capture system is based around the possibility of connecting to 4 different vehicles, each vehicle having a known driver. These are referred to as Car_1 to Car_4. This is the default setting for Data View Choose - Manual Cannot be edited in manual mode Cannot be edited in manual mode Used for off ground testing of the car, accumulated distance not recognised. It is recommended to leave at 0 Run recognition - Whenever a new Run is incremented the download process will create a completely new and separate data file. If switched off, all data downloads from that logger will be included within the same file. Car recognition When switched off, the Alias and identification of the logger is not considered. Note: In this manual mode the user is given full control over data file naming, file locations and device connection. Device recognition is not featured in this manual mode.

25 DATAVIEW Pg. 25/ Capture / acquisition files / Options / Run System Select Capture / acquisition files / options tab to display the following window. The entire capture system is used to automatically manage the data storage, file naming and tagged data. A file tree structure will be created for you as shown at the bottom of this page. Choose - Automatic Select the PC communication method you are using Select this to ensure automatic device recognition Used for off ground testing of the car, accumulated distance not recognised. It is recommended to leave at 0 Run recognition - Whenever a new Run is incremented the download process will create a completely new and separate data file. If switched off, all data downloads from that logger will be included within the same file. Car recognition When switched off, the Alias and identification of the logger is not considered. This folder group is created from the default download folder as defined in section 6.4 This bench folder is created from the Track choice in Acquisition files / session More information can be found in section 3.6 These folders are created from the Alias name of the logger This test folder is created from the Session choice in Acquisition files / session More information can be found in section 3.6

26 DATAVIEW Pg. 26/ Capture / acquisition files / Cars Select Capture / acquisition files / Car to display the following window. The system has the capability to have unique settings for 4 different vehicles, known within the software as car1, car2, car3, car4. Each data logger (vehicle) is identified to Data View using the Alias that was attributed to the logger at the time the configuration table was programmed into it. This tab allows you to associate a car configuration to a logger Alias. Use this pull down to select which Car you will be working with, if you only have one logger it is recommended to choose Car_1 Press the Browse button to show a list of all loggers that have been connected recently, any loggers that are currently connected will be shown in Bold. Enter any additional text using these fields.

27 DATAVIEW Pg. 27/ Capture / acquisition files / Destination files Select Capture / acquisition files / Destination files to display the following window. Run system mode. There is nothing for the user to configure. Manual system mode. The user is able to select unique file locations & change the file name. At the time of Ethernet Activation you will be given the opportunity to make adjustments to these values.

28 DATAVIEW Pg. 28/ Capture / acquisition files / Session Select Capture / acquisition files / Session to display the following window. In Manual mode this information is only used as text identification for the session. In Run System mode the values of Track and Session are used to create folders for the data download, see section 3.3 The comment and track length are simply text. NOTE: The session data is applied to all Cars

29 DATAVIEW Pg. 29/ Capture / acquisition files / Offsets Select Capture / acquisition files / Offsets to display the following window. Note - The Offsets are Car specific. At the time of download, the channel offsets given in this table will be applied only to the device with the recognised Alias that is associated with a Car. There is no limit to the number of Offsets that can be created. The Channel name must be EXACTLY the same for the offset to be applied.

30 DATAVIEW Pg. 30/ Capture / acquisition files / user record Select Capture / acquisition files / User Record to display the following window. Note - The User records are Car specific and enable the user to create a set of text data tagged to each download. Text data sets may be saved and loaded from one Car to another. At the time of download, the User records given in this table will be applied only to the device with the recognised Alias that is associated with a Car. There is no limit to the number of records that can be created.

31 DATAVIEW Pg. 31/ Capture / acquisition files / constants Select Capture / acquisition files / constants to display the following window. Note - The Constants are Car specific and enable the user to create a set of text data tagged to each download. Text data sets may be saved and loaded from one Car to another. At the time of download, the Constants given in this table will be applied only to the device with the recognised Alias that is associated with a Car. There is no limit to the number of constants that can be created. More information is available in section 7.9

32 DATAVIEW Pg. 32/ Download The previous section 3 shows all of the download configuration options, this section deals with the actual act of downloading the data. The internal memory of any data logger is referred to as Local Disk, the Shark logger removable memory is referred to as Flash Card. Note: Before any download can be made, your logger must be visible within the DK-Link program.

33 DATAVIEW Pg. 33/ Memory / Shark The Shark data logger has 2 totally independent memory locations which are written to simultaneously. The Local Disk (internal flash) is either 128Mb or 256Mb, depending on logger specification. The removable flash card memory may be any size as long as it is larger the Auto Lap limit which is typically 40Mb. Lap storage The data is divided within the logger as separate files; the file division is normally created when a lap beacon signal is seen. With this method the user is able to download individual laps rather than removing all of the laps stored in memory. A download of multiple laps only creates a single file on your PC. Latest data - on/off From table Manager the user is able to decide which type of memory management is used. Latest data on When the logger memory becomes full the oldest lap file is deleted from memory as an entire block Latest data off - When the logger memory becomes full the memory storage stops, new data can only be stored if the Clear data command is used. See section 5.1 Auto lap Limit This is an internally imposed maximum size for any one internal lap file, when the limit of 40Mb (typical Shark setting) is reached a new lap file is automatically created. This Auto lap Limit is needed for data security, systems which do not use a lap timing beacon may fill up the memory without ever seeing a lap beacon signal, the latest data function would then automatically remove the oldest lap file, which in this scenario would be all of the data. The 40Mb Auto lap limit avoids this possible problem. Notes about Auto lap limit The internal channels Time and Space are not incremented by Auto lap limit The LAP counter is not incremented by Auto lap limit The ABS lap counter does increment at the Auto lap limit The LAPTIM message records the time from logger on to the previous Auto lap limit Auto lap limit is applied to Local disk as well as flash card memory. The size of the auto lap limit is a compromise between ensuring that the Auto lap limit does not interfere with the normal lap beacon > lap beacon events and possible data loss resulting from use without a beacon. The maximum data throughput of the Shark at 64,000 bytes per second (typical value) means that at maximum acquisition rate the 40Mb (40,000,000 bytes) / 64,000 = 10minutes (approx) between each Auto lap limit. This would never normally conflict with a race car lap. Memory storage Starting from a logger with empty flash card and empty Local disk, the data is stored to both locations simultaneously. At the point of memory being full, the earliest lap file is deleted from both the Local disk and Flash card. If a blank or partially filled memory card is inserted into a logger with stored data in Local disk memory the 2 storage locations become out of synchronisation. This is not a problem and they both then work independently of each other, this situation also occurs when a flash card of larger memory size is used. The Shark logger does not need the Flash card in order to function. If no card is inserted, the logger can be downloaded in the normal Ethernet method using the Local disk only. When using the Flash card to transfer data, the Local disk memory is mostly redundant and only used as a back up source in case of Flash card failure.

34 DATAVIEW Pg. 34/ Memory / Cobra The Cobra data logger has 1 memory location of 32Mb referred to as Local disk. Lap storage The data is divided within the logger as separate files; the file division is normally created when a lap beacon signal is seen. With this method the user is able to download individual laps rather than removing all of the laps stored in memory. A download of multiple laps only creates a single file on your PC. Latest data - on/off From table Manager the user is able to decide which type of memory management is used. Latest data on When the logger memory becomes full the oldest lap file is deleted from memory as an entire block Latest data off - When the logger memory becomes full the memory storage stops, new data can only be stored if the Clear data command is used. See section 5.1 Auto lap Limit This is an internally imposed maximum size for any one internal lap file, when the limit of 3Mb (typical Cobra setting) is reached a new lap file is automatically created. This Auto lap Limit is needed for data security, systems which do not use a lap timing beacon may fill up the memory without ever seeing a lap beacon signal, the latest data function would then automatically remove the oldest lap file, which in this scenario would be all of the data. The 3Mb Auto lap limit avoids this possible problem. Notes about Auto lap limit The internal channels Time and Space are not incremented by Auto lap limit The LAP counter is not incremented by Auto lap limit The ABS lap counter does increment at the Auto lap limit The LAPTIM message records the time from logger on to the previous Auto lap limit Auto lap limit is applied to Local disk as well as flash card memory. The size of the auto lap limit is a compromise between ensuring that the Auto lap limit does not interfere with the normal lap beacon > lap beacon events and possible data loss resulting from use without a beacon. The maximum data throughput of the Shark at 40,000 bytes per second (typical value) means that at maximum acquisition rate the 3Mb (3,000,000 bytes) / 40,000 = 75 seconds (approx) between each Auto lap limit. At maximum acquisition throughput this would conflict with any normal lap of less than 1:15

35 DATAVIEW Pg. 35/ Manual download / Manual system (Cobra & Shark Direct cable download) In this mode you should have the following system configurations. Capture / Acquisition files / Options Set to Manual System Capture / Setup Acquisitions Auto download switched OFF Press the E button on the upper tool bar to display the following window. You are given the opportunity to make any adjustments to the data you have already entered. Press Next to continue Ensure that you have selected the correct Car from the pull down menu. The Connection shown at the bottom of this window will indicate if the correct device is available on the network Press Auto to use the default download directory and create a unique file name. File names for car_1 will end in C0, car_2 will end in C1, car_3 will end in C2, car_4 will end in C3. Each new download using this file name will create a new run number that is attached to the end of the file name as _RUN0x You are completely free to type in your own file name and use an alternative data directory. Press Start to establish communication with the logger. Correct communication is shown by the bottom left of the screen stating fast Ethernet download enabled and the E button on the tool bar will turn red. To view the data in the logger memory, select Capture / data logger manager / select laps, or press this button on the toolbar. Highlight the laps (data) you want to download and then press the Download button. Multiple laps can be downloaded using the CTRL or arrow keys in the normal Windows way. At the end of download your last lap of data will be automatically loaded into the data header bar at the top of the screen.

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37 DATAVIEW Pg. 37/ Manual download / Run system In this mode you should have the following system configurations. Capture / Acquisition files / Options Set Run System Capture / Setup Acquisitions Auto download switched OFF Press the E button on the upper tool bar to display the following window. You are given the opportunity to make any adjustments to the data you have already entered. For more information when selecting the Track & Session and the Run system, refer to section 3.3 Press Next to continue This window shows all 4 of the possible pre-programmed vehicles. In this example, only CAR_2 has been configured within Capture / Acquisition Files / Cars to associate with a logger with Alias Cobra Press Start to establish communication with the logger. Correct communication is shown by the bottom left of the screen stating fast Ethernet download enabled and the E button on the tool bar will turn red. To view the data in the logger memory, select Capture / data logger manager / select laps, or press this button on the toolbar. Highlight the laps (data) you want to download and then press the Download button. Multiple laps can be downloaded using the CTRL or arrow keys in the normal Windows way. At the end of download your last lap of data will be automatically loaded into the data header bar at the top of the screen. Note : The data files used in the Run system have less identification information than those for the manual system simply because they are already stored in the correct folder for Track / Session / Alias Run

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39 DATAVIEW Pg. 39/ Automatic download / Manual system (Cobra & Shark Direct cable download) In this mode you should have the following system configurations. Capture / Acquisition files / Options Set to Manual System Capture / Setup Acquisitions Auto download switched ON Press the E button on the upper tool bar to display the following window. You are given the opportunity to make any adjustments to the data you have already entered. Press Next to continue Ensure that you have selected the correct Car from the pull down menu. The Connection shown at the bottom of this window will indicate if the correct device is available on the network Press Auto to use the default download directory and create a unique file name. File names for car_1 will end in C0, car_2 will end in C1, car_3 will end in C2, car_4 will end in C3. Each new download using this file name will create a new run number that is attached to the end of the file name as _RUN0x You are completely free to type in your own file name and use an alternative data directory. Press Start to establish communication with the logger & begin the download process. Correct communication is shown by the bottom left of the screen stating fast Ethernet download enabled and the following window being shown. Yes This will download any new data that has been created since the last download. No This will open a list of available data, individual laps may be selected in the same way as the manual download. Cancel Cancel download operation

40 DATAVIEW Pg. 40/ Automatic download / Run system In this mode you should have the following system configurations. Capture / Acquisition files / Options Set Run System Capture / Setup Acquisitions Auto download switched ON Press the E button on the upper tool bar to display the following window. You are given the opportunity to make any adjustments to the data you have already entered. For more information when selecting the Track & Session and the Run system, refer to section 3.3 Press Next to continue This window shows all 4 of the possible pre-programmed vehicles. In this example, only CAR_2 has been configured within Capture / Acquisition Files / Cars to associate with a logger with Alias Cobra Press Start to establish communication with the logger & begin the download process. Correct communication is shown by the bottom left of the screen stating fast Ethernet download enabled and the following window being shown. Yes This will download any new data that has been created since the last download. No This will open a list of available data, individual laps may be selected in the same way as the manual download. Cancel Cancel download operation Note : The data files used in the Run system have less identification information than those for the manual system simply because they are already stored in the correct folder for Track / Session / Alias Run Day Month Year

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42 DATAVIEW Pg. 42/ Connection tools Connecting to a data logger does not necessarily mean that you have to perform a download. The method of connection is however almost identical. From the upper menu ensure that the Auto Download button is switched off, in this way there will be no attempt by the logger to extract data. Then activate the Ethernet by pressing the E button Press here to activate Ethernet Switch OFF the Auto download button Press Next to skip this window. Because you are not planning to capture data it is not necessary to enter any information. Press Start to initiate the Ethernet link. Because you are not planning to capture data it is not necessary to enter any information, or select a Car Example window shown is Manual Method If you have not already Run the DK-Link program you will be presented with the following notice. Press Run to activate DK-Link which will appear at the bottom of your screen as a new window. If all is configured and connected correctly DK link will show the presense of a data logger similar to the image shown below, and the bottom right of your computer screen will show the logger table name and the Alias of the device. Logger table + Alias

43 DATAVIEW Pg. 43/ Data logger manager / Clear Data The Clear data command deletes all stored data from the logger memory, as well as returning the Run counter to 1. For more information about memory management refer to sections 4.1 and 4.2 Note: This process requires an active Ethernet connection & your logger must be visible within the DK-Link program. From the upper menu select Capture / Data logger / Clear data. You will be given the following confirmation box. Press OK to clear data and check the bottom left of your screen to ensure that you have received confirmation of process completion Note: You logger will now wait for the cable disconnection or the 120sec timeout before resuming any logging activity.

44 DATAVIEW Pg. 44/ Data logger manager / Re-start Following a Clear data command no logging activity will begin until either the cable is disconnected or the 120sec automatic timeout is reached. This delay can be by-passed using the re-start command. Note: This process requires an active Ethernet connection & your logger must be visible within the DK-Link program. From the upper menu select Capture / Data logger / Restart. Confirmation of process completion is seen at the bottom left of the screen, as seen here.

45 DATAVIEW Pg. 45/ Data logger manager / Show devices In order to check the presence of a logger on your network, select Capture / Data logger / Show devices from the upper menu. Any data loggers connected to your network will be shown in the dialog box, as seen here Note: This process requires an active Ethernet connection & your logger must be visible within the DK-Link program.

46 DATAVIEW Pg. 46/ Data logger manager / Show Laps table The data logger manager also lets you view any laps or runs stored in memory. Select Capture / Data logger / Select Laps from the upper menu, An empty data logger will look like the image on the left, a logger with stored data will look like the right hand image. For more information about manual download, refer to section 4.3

47 DATAVIEW Pg. 47/ General Setup / Graphs This configuration environment gives the user a series of controls for the way in which Data View functions and displays the information. From the upper menu select Setup / General / Graphs to display this window. Show grid Background grid on all analysis windows Auto Scale See section 9 for all scaling options Auto Connect Links the cursors within all analysis windows to show the same time or distance position Auto connect zoom The same level of zoom will be applied to all analysis windows. Auto align Y scales Ensures that the left hand edge of all tiled graph windows are vertically aligned Keep zoom after changing layout The current zoom level is retained after the window layout is changed Keep zoom after changing lap The current zoom level is retained after the lap data is changed Font size Font size may be changed to suit different screen resolutions and also to maximise the usable analysis area.

48 DATAVIEW Pg. 48/ General setup / Data RX Auto RX updates the analysis window as each lap is downloaded. This can slow down the download process, especially if the analysis windows have complicated virtual channels. By default the Auto RX is active for both Real time data and Ethernet data sources. To adjust these options double click the Auto RX line to display this window. Switch off the data sources that are not required, by default all are switched on Lap definition This is defined in section 2.1 Auto RX remote Similar to Auto RX but with the data source on a remote host PC.

49 DATAVIEW Pg. 49/ General setup / Colours The colours tab gives you control over the display area as well as the data contained within the analysis windows. Windows background Outside border of analysis window Boxes background inside area of analysis window Add create customised colour schemes Comparison Whenever a comparison of more than one data set is selected, the data will be represented using the colours defined in this comparison table. In this example the first data set selected will be shown as yellow, the second selection as red, etc. Your colours should be chosen to give the clearest representation against your selected Boxes background. You do not need to worry about light colours not printing as colour swap is available in the print menu, section 25. Experience has shown that all backgrounds black, with very light colours for your comparison work the best, with yellow best of all.

50 DATAVIEW Pg. 50/ General setup / Search This tab gives the user a number of controls to pinpoint an event that occurs within the viewed data set. Alarms This configuration and other related options are provided in more detail within section 10 Event T1 - This configuration and other related options are provided in more detail within section 24

51 DATAVIEW Pg. 51/ General setup / Directories This tab allows the user to define all of the default file locations for using Data View. From the pull down menu, each of the following locations may be defined. Data directory This is the short-cut folder list used by the data browser when choosing a data file to open. Up to 20 different short cuts may be defined. Download directory This is the default root folder used by the download process to store captured data. Only one folder may be defined Export directory Location for any data that is exported out of Data View. Only one folder may be defined Browser start-up directory Default folder that is shown whenever the data browser is opened. Check box must be active to use this function. Only one folder may be defined

52 DATAVIEW Pg. 52/ General setup / Miscellaneous This tab allows the user to define all non related settings Selects methods for applying the offset and Gain to channels. Offset & Gain may be global as defined in the parameters (section 9.2), or Run specific if Car recognition is activated as part of the download process. From the offset & gain mode the following selections are available OFF All parameters and Gains are not applied regardless of source origin. File table Offsets & Gains are taken only from the settings unique to the Car in Setup Acquisition. Parameter settings - Offsets & Gains are taken only from the parameters as detailed in section 9.2 Table + parameters (default setting) Combines Run & Parameter values.

53 DATAVIEW Pg. 53/ Data file management Every aspect of data file management is done via the Data Browser. This can be opened by pressing this button on the top tool bar or by pressing F3 Data browser Your typical data browser will look like this Pull down list of shortcut folders Data file naming is done automatically during the download following the sequence shown below. Data files shown in this section Laps within each data file are shown here Data file structure for Run System Run Day Month Year Data file structure for Manual System Day/month/year Car No. Run count Hour / Min Car suffix C0 Car suffix C1 Car suffix C2 Car suffix C3

54 DATAVIEW Pg. 54/ Data browser / Delete laps Click each lap that you want to delete in the right hand window, then press the Delete key on your keyboard. To select more than one lap, hold down the Ctrl key when selecting with the mouse click. If all laps are deleted within a Run then the Run is also deleted. It may take 2-3 seconds to refresh the Run listing, or press F5 to refresh the screen.

55 DATAVIEW Pg. 55/ Data browser / Restore laps When any lap is deleted the original file is retained with the suffix changed from *.DTX to *.OLD. Any original file may be restored using Windows Explorer to locate the file and Renaming it back to a *.DTX file.

56 DATAVIEW Pg. 56/ Data browser / Edit properties / Header From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. The header menu gives the following information that may be edited. Abs Absolute lap count number Run Session counter Lap Lap count from the beginning of the Run Lap Time lap time in mins / sec / hundreds Lap distance measured lap distance NOTE Changing the lap distance does not affect the data in any way, this is simply a text notation.

57 DATAVIEW Pg. 57/ Data browser / Edit properties / Comment From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. The Marker box is used to identify the type of lap. Lap Normal lap which begins and ends with a signal from the lap beacon Out First lap in a Run Box Last lap in a run Test Test lap with car stationary, wheels rotating Engine test Engine run only Out + Box Out lap followed by return to pits Best lap Fastest lap in Run Trigger out Telemetry data only Comment This is purely a text value, which may be assigned by the user to help identify an event within the data.

58 DATAVIEW Pg. 58/ Data browser / Edit properties / Session From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. In Manual system mode, all of the Session options are text only and are intended as guide to assist with data identification. In Run System mode these entries control the folder structure. See section 3.6 Track length text only with default value of 0, this may be used to input the known track length

59 DATAVIEW Pg. 59/ Data browser / Edit properties / car From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. All of the Car options are text only and are intended as guide to assist with data identification. Track length text only with default value of 0, this may be used to input the known track length These values are allocated to the file during the data download. Box Pit garage number

60 DATAVIEW Pg. 60/ Data browser / Edit properties / Constants From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. During the download process Constants may be created and attached to any data file that is captured from a specified data logger. Constants may be used within Virtual channels to make your mathematical output specific to the data from each logger. Within this Constants menu it is possible to view any Constants that have been allocated during download, add any new ones as you want, or edit the values of any. Constants may be saved or loaded into other data file sets using the Load and Save As functions For more information see section 3.9 Example of the use of a file constant: To work out the mathematical spring load based on spring movement the mathematics would be a simple mm of movement x spring rate. Where the mm of movement is measured using the logger as a variable value and the spring rate is a fixed constant. Now consider a comparison of two peaces of data where the spring rate is different for each. The mathematics must now be mm of movement from data file 1 x spring rate 1 compared to mm of movement from data file 2 x spring rate 2. The spring rate is defined using the data file constants so that the mathematical comparison remains accurate.

61 DATAVIEW Pg. 61/ Data browser / Edit properties / Offsets From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. The Offsets tab gives details of the Offset and Gain that has been applied to all channels during the download process. Typically 0 and 1 This Offsets tab gives you the opportunity to make changes to the data relating to that data file (or individual lap) only. For more information see section 3.7

62 DATAVIEW Pg. 62/ Data browser / Edit properties / Record From your data browser window, highlight any lap or group of laps that you wish to view / edit the properties of then press this button on the tool bar. The Record tab gives details of text constants that have been applied to all channels during the download process. Text constants may be used to create a database of facts relating to a specific data logger installation. For more information see section 3.8

63 DATAVIEW Pg. 63/ Data browser / Channel info Channel info allows you to modify the name of individual channels and the number of decimal places. From your data browser window highlight the file you wish to work with, then select Edit / Edit channel info from the upper menu to open the following window. All of your channel names are given on the left side. All values may be edited as well as adding a text notation to each. This function is of vital importance when trying to compare data files with similar data but different channel names.

64 DATAVIEW Pg. 64/ Data browser / Search laps Under most conditions this function is not required as it is performed automatically during the download, providing that the configurations have been set as shown in section 2.1. For data which has been downloaded into a computer that has not been configured correctly the user can choose to make the necessary configuration changes and then re-define the laps within the data browser under the tools menu Tools / Define laps / Search laps For data which has not been defined into laps via the lap input beacon it is possible to manually split a large piece of data in smaller sections (laps). The first step is to define the positions within your data for the split points. Open your single lap of data using the data browser and visualise this within a graph window. From the upper menu, select Utility / Define Laps / Manual definition. Your cursor will now change to 2 vertical bars. Use your mouse left button to click the positions on the graph for the positions of the lap beacon, make as many as you need. Your graph will now show a series of vertical bars as shown here. Note: These marks may be placed manually using the keyboard Insert command Press the END key to split the data into laps. If you make a mistake, refer to section 7.13 for the facility to restore to a single lap.

65 DATAVIEW Pg. 65/ Data browser / Layout From the upper menu of the data browser, select View / Options to display the window below. This Options window dictates the layout and amount of information shown in the data browser. The upper window shows the information that will be shown in the left pane of the data Browser window. The lower window controls the right. Press the Add button to display a list of all options that are available. Filename...Adds file name alongside each lap / right Filename (session)...adds file name adjacent to each Run / left Abs...Absolute lap count starting from the beginning of the session / right Run...Run counter Lap...Lap count starting from out lap Lap time...count in min/sec/hund for each lap Lap distance...distance stated in data header (not measured) Lap marker...type of lap Lap comment...additional text data tagged to lap Lap time (marker)...same as lap time Lap date...date of lap Lap hour (start)...start time of data Lap hour (end)...end time of data Lap size...size in bytes Track name...name of track Track length...stated lap length Session name...name defined during session setup Session comment...comment defined during download Session date...date of download taken from PC Session hour...time of download taken from PC Driver name...name of driver Car name...alias Box number...pit garage Driver comment...comment tagged to each driver at download Engine name...comment tagged to each Car at download Fuel consumption...fuel data Fuel level...level at end of lap Logging table name..setup table from table manager

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67 DATAVIEW Pg. 67/ Data browser / Export / DTX The export as DTX enables a group of laps within a Run to be re-assembled into one single lap, or simply as a renaming tool. First, highlight all of the laps that you wish to re-assembly, then from the Tools menu, select Export / DTX. To display the window on the left. Press Yes to open this window: Choose a file name and a folder to store the export file, the Save

68 DATAVIEW Pg. 68/ Data browser / Export / DTX Channels The export as DTX channels enables a new data file to be created with either a reduced list of channels and if required only a small sub-section of the total data. This function requires the interaction of the Numeric Table window which is shown in detail within section 19 Within the Data Browser window, highlight the laps which contain the data you wish to export, then select Tools / Export / Channels to DTX. This will open the search window for the NTB files as shown here. NTB files are created whenever a new Numeric Table is created. A new empty installation may be opened using the default.ntb file, which will appear as follows. Use the Add button to include any channels that you want to be added to your new data file. Press OK to begin the export.

69 DATAVIEW Pg. 69/ Data browser / Export / Ascii The export as Ascii enables data to be created in Ascii format. This function requires the interaction of the Numeric Table window which is shown in detail within section 19 Within the Data Browser window, highlight the laps which contain the data you wish to export, then select Tools / Export / Ascii. This will open the search window for the NTB files as shown here. NTB files are created whenever a new Numeric Table is created. A new empty installation may be opened using the default.ntb file, which will appear as follows. Use the Add button to include any channels that you want to be added to your new data file. Use the Freq window to determine how often the channel data will be updated within the Ascii file All Data Tick this box to export all data within your lap selection, when unticked, use the Time 1 / Time 2 to define the area of data to export Note: The resulting *.PRN file may be opened using Excel

70 DATAVIEW Pg. 70/ Data browser / Export / Binary The export as Binary enables data to be created in Binary format. This function requires the interaction of the Numeric Table window which is shown in detail within section 19 Within the Data Browser window, highlight the laps which contain the data you wish to export, then select Tools / Export / Binary. This will open the search window for the NTB files as shown here. NTB files are created whenever a new Numeric Table is created. A new empty installation may be opened using the default.ntb file, which will appear as follows. Use the Add button to include any channels that you want to be added to your new data file. Use the Freq window to determine how often the channel data will be updated within the Binary file All Data Tick this box to export all data within your lap selection, when unticked, use the Time 1 / Time 2 to define the area of data to export

71 DATAVIEW Pg. 71/ Channel browser / Display The channel browser can be toggled on/off using the F2 key and removed by pressing the X at the top left or by pressing Esc on the keyboard. The channel browser will show all channels that are available in the current loaded data file + mathematical channels (virtual) + real time radio channels. Within this simple list there are a number of subtle bits of information. All channels that are taken from the logger as real measured channels are yellow All white channels are mathematical (virtual) creations formed within Data View Channels with this marking have been given a fixed scaling parameter, see section 9.3 Channels with a dot at the bottom right have a filter applied within their parameters, see section 9.4 Channels with a red dot at the upper left have been allocated an alarm range, see section 10.0 / 10.1 To add any channel from the channels Browser to any analysis window, simply drag n drop. Normal Windows functions of using the Ctrl or arrow keys to make multiple selections may be used.

72 DATAVIEW Pg. 72/ Channel browser / Options The channel browser may be modified by clicking anywhere in the window with the right mouse button and selecting Setup to display this window. Use the check boxes to turn off/on the type of channel you want to see. UDA channels Any channels that are sourced by cable / memory card download directly from the data logger. Virtual channels Any mathematical channel Realtime channels Any channels received via radio link. It is normal when using radio telemetry to have multiple channels of the same name. Example RPM channel captured via normal cable method may be higher frequency than the same RPM channel that has been captured via radio link, you choose which one you want to analyse. Dock list When active the channel browser will lock itself to the left hand edge of the screen, when un-docked the window will be free floating.

73 DATAVIEW Pg. 73/ Open Data - Overview Using the Data Browser (F3) you are able to choose the data you want to open in a number of ways. 8.1 Data selection Single lap Highlight any single lap in the LAP pane, then press the Open button, or simply double click with the left mouse button. Consecutive multiple laps Click and hold down the left mouse button as you drag down to select all of the laps you want, and then press the open button Multiple non-consecutive laps Hold the Ctrl key down then select each one you want with the left mouse key, and then press the open button. Folder search Open the selection Add to comparison RUN Pane Clear the comparison Select fastest lap LAP Pane

74 DATAVIEW Pg. 74/ Data selection / Comparison Highlight any lap or group of laps that will form your first choice for comparison, then press the Add to comparison button. Then highlight your second choice and press the same button again. Your selections will be shown at the bottom of the Data Browser window as shown here on the right. Now press the open button to load your selections. You are able to select up to 6 sets of comparison data simultaneously. The colour of each will be automatically allocated as per your choices in General Setup section 6.2 Remember to read section 2.2 with reference to distance alignment on comparison. Open the selection Add to comparison

75 DATAVIEW Pg. 75/ Scaling Data view has a great many options for scaling the data with 2 levels of manual scaling as well as fully automatic. Depending on the settings chosen, the following rules can be used to determine which set of scaling data is being applied to a channel. Local manual scale section When applied to the channel within the analysis window. Regardless of any other settings, this will always be used and will take priority over other settings Auto scale / General setup section 9.1 Providing there are no local scales automatic scaling will be applied to all channels based on their max / min values within the analysis window. Channel parameter section 9.2 Providing there is no local scaling and auto scale is switched off, the channel will be scaled using the range defined in Parameters. If there is no parameter set, no local scale and Auto scale is turned off, Auto scale will be applied.

76 DATAVIEW Pg. 76/ Scaling / Automatic Providing there are no local scales automatic scaling will be applied to all channels based on their max / min values within the analysis window. To switch this on/off, select Setup / general / Graphs from the upper menu to display this window. Switch here. You will also notice that the lower right of your screen shows the status of the Auto scale option

77 DATAVIEW Pg. 77/ Scaling / Parameters Providing there is no local scaling and auto scale is switched off, the channel will be scaled using the range defined in Parameters. If there is no parameter set, no local scale and Auto scale is turned off, Auto scale will be applied. The easiest way to create a channel parameter is to open the Channel Browser (F2) then right click the channel you want to set a parameter for as shown here. Select Add to Parameters to display the following window. Any text given here will be displayed whenever this channel is chosen Fix the Min / Max range in normal engineering units Apply any offset or Gain as necessary When complete your channel will be give a scale icon alongside the name Parameters may be edited at any time via the Channel browser of by selecting Configure / parameters from the upper menu. They may also be accessed directly from the analysis window by right clicking the coloured bar alongside the channel name.

78 DATAVIEW Pg. 78/ Scaling / Parameters / Run average Providing there is a parameter created for a channel (section 9.2), you are able to apply a Run Average filter. These filters are time based and will create a smoother set of data which gets smoother the longer the time base. There are however some important things to remember. Any mathematical channels that use a filtered channel in their calculation will be affected by the amount of filtering. Example A damper position sensor gives a very fast moving trace, which can be better seen using a high filter to create an average value, any damper rate of change mathematics would give a very poor reading based on filtered raw data. There is little point in sampling very fast if it is your intention to smooth everything out. Choose Run Average then choose a Length from the pull down menu Example of Run Average filters applied to the same data No filter applied Same data with a filter applied Fast access to any channel Parameter can be done by a right mouse click on data view_std_manual this vertical v1.4.doc coloured band. Digitek Spa Digitek Spa

79 DATAVIEW Pg. 79/ Scaling / Parameters / FFT Providing there is a parameter created for a channel (section 9.2), you are able to apply an FFT filter. These filters are frequency based and are used to include / exclude certain frequency ranges from your data. Within your channel parameter window, select FFT from the Filter pull down menu. Define up to 3 filters from the following types and enter your chosen frequency range.

80 DATAVIEW Pg. 80/ Scaling / Local scaling Within all types of analysis window a fixed scale may be applied to a channel. These local analysis scales take priority over every other scale setting. A local channel scale window will appear as follows: Select Manual scale Choose the max / min channel value This window is opened by a right mouse click of the coloured band alongside each channel and selecting Properties. This window also permits a number of other options not related to the scaling. Auto Compare Shows both sets of data of comparison, or the difference between the comparison data. Colour Channel colour Note, this colour is only used when there is no multiple data comparison. Style Choose your line style & thickness Box See section 11.15

81 DATAVIEW Pg. 81/ Alarms Any channel you configure within Alarms is continuously monitored within the data set you are viewing. To activate the alarms system, select Setup / General / Search from the upper menu to display the following window. Use the pull down box to choose from one of the following OFF No Alarm search Show Alarms Automatically show any Alarm that exceeds your limits. Show All Permanently show all Alarms regardless of state. To create an Alarm, select Configure / Alarms from the upper menu to display this wiondow. Press Add to create an Alarm as shown here. Double click the entry to open the configuration window. The OK range is considered as the normal working range of the channel The valid range is the maximum working range of the sensor, outside of this is considered a sensor fault and an Alarm is not indicated For information about Conditional channels, see section 24.2

82 DATAVIEW Pg. 82/ Alarm / Window The Alarms window is free floating on top of other windows and will appear / disappear depending on the values of data seen. In this first example a single channel has been found with a high oil pressure indicated as red. This search was defined as Show Alarms This example shows both a valid and non-valid alarm, the configuration is set to Show All

83 DATAVIEW Pg. 83/ Graph window / Overview Notes relating to the Graph window. Any number of individual graph windows may be created and stored A maximum of 39 channels may be viewed in any one graph window. Graphs may be viewed with Time or Distance on the X axis Multiple graphs may be viewed simultaneously All graph windows end in.gra and are stored in c:\data view\setup Navigation using the keyboard. Use the Up / Down key to change the X axis step value Use the Left / Right key to move the cursor left / right by the step value above

84 DATAVIEW Pg. 84/ Graph / New Load - Swap To create a new graph window, select Graph / Graph window / Open from the upper menu, or press this button on the tool bar. You will be presented with the normal file open window as shown here. Either select an existing file or type a new file name to create a new and empty graph window. You will now be presented with a blank window with your chosen file name at the top. The default setting is always Time for the X axis. Tip Any highlighted graph window may be swapped for any other graph window using the CTRL-D keyboard shortcut. The size and position of the original window will be retained.

85 DATAVIEW Pg. 85/ Graph / Window layout Time at current cursor position Percentage of current lap currently being viewed Left to right position indicates the approximate position within the current total data Max scale being applied Channel name Step value for keyboard Channel value at current cursor position ** Min scale being applied Time or Distance scale ** A star alongside a channel value indicates that the value is taken from an actual measured point rather than an interpolated value.

86 DATAVIEW Pg. 86/ Graph / Add Remove channel The lower toolbar changes automatically to suit the type of window you have highlighted. If a graph window is selected you will see the following toolbar at the bottom of the screen. Click any area within the central graph window then press the button shown here to enter the graph window properties. Use the Add button to open the Channel Browser and either double click or drag n drop channels into the main window. Press OK to Save & exit This window can also be used to remove any channel An alternative method is to make channel changes directly within the graph window. IMPORTANT - Any changes made using the following methods will not be saved until you try to close or swap the graph window. Use the right mouse button to click the coloured band next to any channel, then select Remove to remove a channel. To add a channel, simply press F2 to open the Channel Browser and drag n drop any channel directly into the graph window.

87 DATAVIEW Pg. 87/ Graph / Properties The lower toolbar changes automatically to suit the type of window you have highlighted. If a graph window is selected you will see the following toolbar at the bottom of the screen. Click any area within the central graph window then press the button shown here to enter the graph window properties. Graph displayed against Time or Distance Display style Parallel Overlay Manual See below Double click any channel to view the individual channel properties, as detailed in section 11.5 Move the channel up / Down within the graph window Load an alternative graph configuration. Save the current configuration as an alternative name. Clear all loaded channels Remove the single highlighted channel Opens the channel browser to load another channel Graphs viewed in Parallel mode Graphs viewed in Overlay mode Graphs viewed in Manual mode where each graph is given a fixed percentage of the vertical space within the graph window to use. To apply the Manual percentage see section 11.5

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89 DATAVIEW Pg. 89/ Graph / Properties - Channel Right mouse click the coloured band alongside any channel name to display the channel properties within the current graph window. Or double click any channel within the graph properties window as shown in section 11.4 Right mouse click any of these coloured bands Channel name Comparison type Line style & thickness Scaling Step Graph continues horizontally until a revised value is seen at the next acquisition point. (Default value) Line Direct join of each acquisition point Dot Single point representation of each acquisition point Marker Cross placed at each acquisition point

90 DATAVIEW Pg. 90/ Graph / Time or Distance All data is captured using a time reference (Hz) therefore the standard method of analysis uses Time as the X axis for any graph window. There are however occasions when the Distance axis is more suitable, such as comparisons over a fixed distance (Lap against L.ap) The problem of comparing two sets of data against Time are shown on the graph comparison below. Each set of data covers the same section of track and start at the same physical point, the gradual misalignment of data is a function of the difference in time each vehicle takes to cover the same distance, as shown here Data misalignment This same piece of data when viewed using Distance completely removes the misalignment because the data is referenced to a physical position on the track rather than a time. Presuming that both pieces of data cover the same distance there will be no misalignment. To understand this process more thoroughly, read section 2.2. To change between Time & Distance, either open the graph properties window and make the change as detailed in section 11.4, or press this button on the lower tool bar

91 DATAVIEW Pg. 91/ Graph / X axis Shift Each set of data begins starts from one of the following functions: Power on / Trigger active / lap beacon. When comparing 2 or more sets of data, the event you wish to compare may occur at a different Time from the beginning of the data set, for this reason it is necessary to shift either an individual channel or and entire set of data either left or right to make it align with other data channels. The following piece of data shows a damper measurement over a fixed bump in the track, the blue and red channels are from different vehicles and have hit the bump at a different time within the data set. This is shown my the misalignment of the comparison. Use the Shift command from the lower tool bar and choose from one of the following options. Shift a graph... Shift only a single graph Shift a comparison... Shift every channel from the selected data set Shift a lap... Shift every channel within the selected lap Reset graphs... Remove the graph shift After any of the upper 3 are used and the appropriate data selected your mouse will turn into a hand, physically drag the data until you are happy with the alignment and then release the mouse button and press Enter on your keyboard

92 DATAVIEW Pg. 92/ Graph / Info Press the following button on the lower tool bar. The following window will show information relating only to the visible area, any data outside of the current zoom is not considered. Area of data being considered, if Distance is being used as the X axis, this will show meters instead of Time Channel data Name... Channel name Colour... Graph colour being used Min Box... Minimum value within the viewed area** Max Box... Maximum value within the viewed area** Offset... Any Offset that has been applied with the Paramaters section see section 9.2 Gain... Any Gain that has been applied with the Paramaters section see section 9.2 Shift... The amount of X axis shift see section 11.7 ** If a channel is filtered in any way, the filtered min / max values will be shown.

93 DATAVIEW Pg. 93/ Graph / Max / Min Press the following button on the lower tool bar. The following window will show Max / Min information relating only to the visible area, any data outside of the current zoom is not considered. Area of data being considered, if Distance is being used as the X axis, this will show meters instead of Time Channel data Name... Channel name Min... Minimum value within the viewed area** Min X... value in Time or Distance where the Min value occurred Max... Maximum value within the viewed area** Max X... value in Time or Distance where the Max value occurred Avg... Average channel value Avg (Abs)... Average channel value (based on Absolute channel values) S Dev... Standard deviation channel value Res... Decimal places resolution of channel ** If a channel is filtered in any way, the filtered min / max values will be shown. Tip The Max / Min window can be activated by pressing and holding your right mouse button and dragging it to form a zone between 2 grey vertical lines, when you release the mouse button you will be asked to choose from Zoom or Max / Min as shown here. Choose Max / Min, your data will relate only to the area between the 2 grey boundary lines.

94 DATAVIEW Pg. 94/ Graph / Cursor The Cursor function allows a reference point to be placed on the graphical data. Two options are available. To activate either of the Cursor functions, first click the coloured band as shown here with your right mouse button to display this list of options. Right mouse click any of these coloured bands Single graph cursor. This gives a cross hairs tracking cursor on a single channel giving the information shown below. Min...Minimum value within the viewed area** Max...Maximum value within the viewed area** Avg...Average channel value Preceding 2 acquisition points Value at cursor position Cursor point Following 2 acquisition points All graph cursor. First place your cursor at the position where you want the reference point to be, then press the All Graphs Cursor option to display the following window. Datum... Time or Distance position of the Cursor datum. X... Current cursor position in Time or Distance Delta X... Difference in Time or Distance from the current cursor position to the Datum position. Cursor Datum Channel values Val = Current Datum = Value at datum Difference = Difference from current to Datum Moving cursor position

95 DATAVIEW Pg. 95/ Graph / Search The search function allows you to search and automatically move your cursor to the Min or Max value of any channel. To activate the search, first click the coloured band as shown here with your right mouse button to display this list of options. Select either Minimum or Maximum Right mouse click the band alongside the channel you wish to search ** If a channel is filtered in any way, the filtered min / max values will be shown.

96 DATAVIEW Pg. 96/ Graph / Zoom Zoom can be manipulated in any of the following ways. Zoom in by 50% focused around the current cursor position Zoom out by 50% focused around the current cursor position Zoom to the current cursor position + / - 1 sample data point Zoom out to full graph (max screen) Changes your cursor to a magnifying glass, click the graph screen once to mark the left hand edge of the zoom area, click a second time to mark the right hand edge of your zoom area. Drag to move your zoom area The top of your graph screen shows a block as an indication of your current zoom ammount and the approximate position within the full data set of your current zoon, this blue area may be dragged, left or right to move your graphs. Tip If your mouse has a roller wheel, try this when you are zoomed in. The speed of scroll is dictated by the Step value in the upper right of your graph window, see section 11.2

97 DATAVIEW Pg. 97/ Graph / Snap All data is taken with reference to a Time base in Hz. Each channel graph is made up of actual measuring points and interpolated points. To be sure that the data you are seeing is a real measured point select the Snap option from the lower menu, and choose the frequency range that matches your chosen channel. You will see that the cursor will only rest on an actual measuring point. Measuring points are indicated by an * alongside the channel value as shown here

98 DATAVIEW Pg. 98/ X-Y Analysis The XY window allows any one channel to be used as a reference and a number of other channels to be plotted against it to analyse relationships. XY data may be viewed in a number of different ways, as shown below in this example of oil pressure / engine speed analysis. The diagram clearly shows oil pressure increasing as engine speed increases, this is a simple example of a relationship. Important note When using a layout of graph and XY window the cursor within the XY window will represent the same data location as the cursor within the graph window, zoom levels are also maintained providing this option is selected in general setup see section 6.0 Graph mode selected, with a dot to represent each corresponding data point. Percentage mode selected, value shown is the percentage of time each cell is used within the data set being analysed. Smooth mode selected, colour depth represents the percentage of time each cell is used within the data set being analysed.

99 DATAVIEW Pg. 99/ XY / New Load - Swap To create a new XY window, select Graph / XY Analysis / Open from the upper menu, or press this button on the tool bar. You will be presented with the normal file open window as shown here. Either select an existing file or type a new file name to create a new and empty graph window. You will now be presented with a blank window with your chosen file name at the top. Add channels to this window by Pressing F2 to open the data browser and drag N drop any channel into the window. Tip Any highlighted XY window may be swapped for any other XY window using the CTRL-D keyboard shortcut. The size and position of the original window will be retained.

100 DATAVIEW Pg. 100/ XY / Window layout In this example, 4 channels are being plotted against the single reference channel - RPM Primary reference channel, all other data is plotted against this channel Data set being viewed Secondary channels Channel scales Min scale being applied Time or Distance scale Scale for reference channel Individual channels may be singles out by right clicking, and then press View to open this next window. This window shows all of the Secondary channels, choose which one you want to single out for separate analysis. By pressing the OILP channel selection all other secondary channels have been hidden from view temporarily as shown here. To return to the view of all channels, right click any channel name, select View, and then All Graphs

101 DATAVIEW Pg. 101/ XY / Properties - Window To access the Properties of the XY window, click your mouse into any central location within the XY window and then press this button on the lower tool bar. You will notice that the lower tool bar changes depending on the type of window you are working in. Load an alternative XY configuration Save the current configuration as an alternative name. Clear all loaded channels Remove the single highlighted channel Opens the channel browser to load another channel Style of display, see section 12.0 Display style Parallel Overlay Manual See section 12.6 Move the channel up / Down within the graph window Choose the number of grid divisions

102 DATAVIEW Pg. 102/ XY / Properties - Channel Each channel has a unique set of properties that are shown by right clicking the channel name and selecting Properties. The following window is displayed. Important The reference channel does not have any Property settings for Style, Best Fit or Interpolation Choose a colour Style see below Best Fit see section 12.8 Interpolation see section 12.7 Manual scale - see section 12.5 Channel name Select a Conditional channel 24.2 Skip to next channel Dot size Dot colour Manual positioning - see section 12.6 Marker styles = Line, a line is used to join sequential data acquisition points. Marker styles = Dot, a single dot is used to indicate each data acquisition point. Marker styles = Marker, a single cross hair is used to indicate each data acquisition point.

103 DATAVIEW Pg. 103/ XY / Properties / Channel - Manual scaling Each channel has a unique set of properties that are shown by right clicking the channel name and selecting Properties. The following window is displayed. The Manual scaling is used to fix the Min / Max scale values used for any given channel within the XY window, if this setting is left un-checked, automatic scaling will be applied. Tick this box to apply a manual fixed channel scale. Note that this setting only applies to this XY window and not any other XY window. Choose Min and Max values to suit your data Choose the number of scale divisions

104 DATAVIEW Pg. 104/ XY / Properties / Channel - Manual positioning Each channel has a unique set of properties that are shown by right clicking the channel name and selecting Properties. The Manual positioning is used when multiple secondary channels are being overlaid onto the single reference channel. In this example, RPM is the reference channel, OILP and SPEED and the secondary channels. The default XY window property setting for this is Overlay to produce a window as shown here. To use manual scaling, first change the XY window properties to Manual layout and then adjust each individual channel to use as much space as you choose. The following settings will produce an XY window as shown at the bottom of this page. OILP channel set to 50 > 100% SPEED channel set to 0 > 50% Resulting XY layout

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106 DATAVIEW Pg. 106/ XY / Properties / Channel - Interpolation Each channel has a unique set of properties that are shown by right clicking the channel name and selecting Properties. For channels which have a limited number of acquisition points it can be very difficult to visualise the relationship trends within the XY window. For this reason the Interpolate function fills in the missing areas to an amount specified by you. The reverse of this allows channels with a high frequency and a great many data points to be reduced to a lower frequency. From the channel properties window, use the pull down menu to choose the amount of interpolation.

107 DATAVIEW Pg. 107/ XY / Properties / Channel Best Fit Each channel has a unique set of properties that are shown by right clicking the channel name and selecting Properties. To visualise the relationship a Best Fit option will draw a line presuming the optimum fit, from the channel properties window, select the best fit from the pull down menu. The following examples show the differences between different best fit settings with the same data set. Best fit 1 st setting Best fit 2 nd setting Best fit 3 rd setting Best fit 4 th setting Best fit 5 th setting Best fit 6 th setting

108 DATAVIEW Pg. 108/ XYZ Analysis window The XYZ window allows any one channel to be used as a reference, a second channel plotted against it to display a relationship and a third channel overlaid onto this data as different colours. XYZ data may be viewed in 2 different ways, as shown below in this example of Time / Y- later al G and oil pressure. The diagram clearly shows a lateral G trace (Y) with the oil pressure overlaid as different colours. Important note When using a layout of graph and XY window the cursor within the XY window will represent the same data location as the cursor within the graph window, zoom levels are also maintained providing this option is selected in general setup see section 6.0 Marker mode selected, with a dot to represent each corresponding data point. Smooth mode selected, value shown is the percentage of time each cell is used within the data set being analysed.

109 DATAVIEW Pg. 109/ XYZ / New Load - Swap To create a new XY window, select Graph / XYZ Analysis / Open from the upper menu, or press this button on the tool bar. You will be presented with the normal file open window as shown here. Either select an existing file or type a new file name to create a new and empty graph window. You will now be presented with a blank window with your chosen file name at the top. Add channels to this window by Pressing F2 to open the data browser and drag N drop any channel into the window. Tip Any highlighted XYZ window may be swapped for any other XY window using the CTRL-D keyboard shortcut. The size and position of the original window will be retained.

110 DATAVIEW Pg. 110/ XYZ / Window layout In this example, 4 channels are being plotted against the single reference channel - RPM Values of primary and secondary channel at cursor position Third channel - Z Secondary channel - Y Channel scale Colour layers & scale Data set being viewed Scale for reference channel Primary reference channel - X, all other data is plotted against this channel

111 DATAVIEW Pg. 111/ XYZ / Properties - Window To access the Properties of the XYZ window, click your mouse into any central location within the XYZ window and then press this button on the lower tool bar. You will notice that the lower tool bar changes depending on the type of window you are working in. Conditional channels see section 24.2 Display style Marker Smooth See section 13.0 Interpolation see section 13.5 Best fit see section 13.6 Z scale see section 13.7 Opens the channel browser to Load an alternative XYZ configuration Save the current configuration as an alternative name. Clear all loaded channels Remove the single highlighted channel Move the channel up / Down within the graph window

112 DATAVIEW Pg. 112/ XYZ / Properties Channel & manual scaling Each channel has a unique set of properties that are shown by right clicking the channel name and selecting Properties. The following window is displayed. Properties for Reference channel X Channel name Swap to next channel Tick to activate the manual scale range Choose the number of scale divisions The Manual scaling is used to fix the Min / Max scale values used for any given channel within the XYZ window, if this setting is left un-checked, automatic scaling will be applied.

113 DATAVIEW Pg. 113/ XYZ / Properties / Channel - Interpolation Within the XYZ window properties it is possible to apply an Interpolation to the visible data. For channels which have a limited number of acquisition points it can be very difficult to visualise the relationship trends within the XYZ window. For this reason the Interpolate function fills in the missing areas to an amount specified by you. The reverse of this allows channels with a high frequency and a great many data points to be reduced to a lower frequency. From the XYZ properties window, use the pull down menu to choose the amount of interpolation.

114 DATAVIEW Pg. 114/ XYZ / Properties / Channel Best Fit To visualise the relationship a Best Fit option will draw a line presuming the optimum fit, from the XYZ properties window, select the best fit from the pull down menu. The following examples show the differences between different best fit settings with the same data set. Best fit 1 st setting Best fit 2 nd setting Best fit 3 rd setting Best fit 4 th setting Best fit 5 th setting Best fit 6 th setting Note With Best Fit active, your cursor will be locked onto the visible line.

115 DATAVIEW Pg. 115/ XYZ / Properties / Z scale The channel defined as Z uses colours to display the data as an overlay onto the X and Y channels. The number or colour divisions, the value at each division and the colours allocated to each division are by default set to automatic. To change these settings, first open the XYZ properties window and then select Manual from the pull down menu shown here. When manual is selected this Bins button will become highlighted. Press this to open the following window. This button will load a set of default values based on the channel max / Min This button will load a set of default colours Double clicking any colour will open the colour pallet as shown here You are free to enter your own division values Note : The number of divisions is dictated by the quantity selected within the Z channel properties

116 DATAVIEW Pg. 116/ XYZ / Zoom Unlike any other analysis window, the XYZ window may be zoomed in using a box operation. From the lower tool bar select this option. It is now possible by clicking and holding the left mouse button to create a box around the area you want to zoom into. To return to a full view, press this button on the tool bar.

117 DATAVIEW Pg. 117/ XYZ / Rotate The Rotate option allows you to switch around your chosen channel set by moving upwards by a step of 1 as shown in the following example. To carry out this operation, press this button on the lower tool bar. X channel = RPM Y channel = OILP Z channel = OILT A single rotation will result in the following X channel = OILT Y channel = RPM Z channel = OILP A further single rotation will result in the following X channel = OILP Y channel = OILT Z channel = RPM

118 DATAVIEW Pg. 118/ Histogram analysis window The Histogram window allows any channel to be viewed as a histogram. The user is given full control over the display type and the amount of data represented. Comparison data is also supported. Histograms may be viewed as either Horizontal or Vertical as shown in the examples below. Important note When using a layout of graph and Histogram window the zoom levels are maintained providing this option is selected in general setup see section 6.0 Horizontal mode selected Vertical mode selected

119 DATAVIEW Pg. 119/ Histogram / New Load - Swap To create a new Histogram window, select Graph / Histogram Window / Open from the upper menu, or press this button on the tool bar. You will be presented with the normal file open window as shown here. Either select an existing file or type a new file name to create a new and empty graph window. You will now be presented with a blank window with your chosen file name at the top. Add a channel to this window by Pressing F2 to open the data browser and drag N drop any channel into the window. Tip Any highlighted Histogram window may be swapped for any other Histogram window using the CTRL-D keyboard shortcut. The size and position of the original window will be retained.

120 DATAVIEW Pg. 120/ Histogram / Window layout In this example an RPM channel is being viewed as usage percentage within the current data set. Percentage values / Can also be shown as Time Time or percentage scale Data set being viewed Scale for channel selected

121 DATAVIEW Pg. 121/ Histogram / Properties Because the Histogram is only able to analyse a single channel, the properties for both the channel and the Histogram window are bundled together in a single environment. With a limited number of options available, there is only one button at the bottom of the screen, to view the Properties. press this Conditional channels see section 24.2 View data as a Percentage or Time X Scale see section 14.4 Clear the selected channel Load an alternative Histogram configuration Save the current configuration as an alternative name. Percent scale see section 14.5

122 DATAVIEW Pg. 122/ Histogram / Properties / X Scale The X scale allows you to choose the minimum and maximum range for your data as well as the number of columns (bins) and the colours to use. To change these settings, first open the Histogram properties window and then select Manual from the pull down menu shown here. Select manual and enter the min / max data range The bins (Columns) button will become active when the manual mode is selected Choose the number of columns By pressing the Bins button you will be presented with the following window. Use the default or enter your own division values Use to re-calculate the scale based on your new min / max values Apply default colours Double click to open the colour pallet

123 DATAVIEW Pg. 123/ Histogram / Properties / % Scale The % scale allows you to choose the vertical percentage scale. To change these settings, first open the Histogram properties window and then select Manual in the check box shown below. Select manual and enter the min / max data range

124 DATAVIEW Pg. 124/ Trend analysis Trend analysis allows you to plot significant data events for any channel against the Lap counter. In this way the gradual change of value can be seen as a progression, as well as the interaction with other channels. A simple example of this is a gradual reduction in oil pressure as the oil temperature rises. To view the entire trend for a session containing multiple laps, it is only necessary to open any one lap. Comparisons are not supported. Tip If a Trend window is open as new data is being captured, the trend will be gradually built lap by lap, by the end of download you will already have a reasonable indication of engine status without needing further analysis.

125 DATAVIEW Pg. 125/ Trend / New Load - Swap To create a new Trend window, select Graph / Trend Window / Open from the upper menu, or press this button on the tool bar. You will be presented with the normal file open window as shown here. Either select an existing file or type a new file name to create a new and empty Trend window. You will now be presented with a blank window with your chosen file name at the top. Add a channel to this window by Pressing F2 to open the data browser and drag N drop any channel into the window. Note The first channel you choose should be the Lap count or any other channel, which contains the source of the trend increment. Tip Any highlighted Histogram window may be swapped for any other Trend window using the CTRL-D keyboard shortcut. The size and position of the original window will be retained.

126 DATAVIEW Pg. 126/ Trend / Window layout In this example the oil pressure is being viewed alongside the oil temperature data with 4 lap data points. Channel name, scale and data type; double click to open channel properties Percentage values / Can also be shown as Time Source channel for incremental trend count Data window

127 DATAVIEW Pg. 127/ Trend / Properties / Window To access the Properties of the Trend window, click your mouse into any central location within the Trend window and then press this button on the lower tool bar. You will notice that the lower tool bar changes depending on the type of window you are working in. Add a new channel Load an alternative XYZ configuration Add data file information Loaded channels Choose the number of laps to include in the scan, leave blank to include all Use this select button to choose the types of laps to include in the scan Save the current configuration as an alternative name. Clear all loaded channels Remove the single highlighted channel Move the channel up / Down within the graph window

128 DATAVIEW Pg. 128/ Trend / Properties / Channel To access the Properties of the Trend window, click your mouse into any central location within the Trend window and then press this button on the lower tool bar. You will notice that the lower tool bar changes depending on the type of window you are working in. Double click any channel to open the individual channel properties Channel name Channel data representation see below Channel colour Channel style see below Use automatic or manual scaling Swap to data file info Change channel Move to next channel The channel Type representation is used to best show the value trend change. Min... Tags the minimum value seen during the lap Max... Tags the maximum value seen during the lap Avg... Tags the Average value seen during the lap Start... Tags the first data point of the lap Finish... Tags the last data point of the lap T1... See section 24.3 T2... See section 24.3 Line style Dot style Marker style All other styles are made up of assemblies of line types and marker types. Symbol style

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130 DATAVIEW Pg. 130/ Lap report The lap report allows you to view significant data events for any channel as a lap-by-lap report. In this way you are able to create custom printable reports of data events. The same channel may be loaded several times within the same report to show a different type of data for that channel. To view the entire lap report for a session containing multiple laps, it is only necessary to open any one lap. Comparisons are not supported. Tip If a Lap Report window is open as new data is being captured, the report will be gradually built lap by lap, by the end of download you will already have a reasonable indication of engine status without needing further analysis.

131 DATAVIEW Pg. 131/ Lap Report / New Load - Swap To create a new Lap Report window, select Graph / Lap Report / Open from the upper menu, or press this button on the tool bar. You will be presented with the normal file open window as shown here. Either select an existing file or type a new file name to create a new and empty Lap report window. You will now be presented with a blank window with your chosen file name at the top. Add a channel to this window by Pressing F2 to open the data browser and drag N drop any channel into the window. Tip Any highlighted Lap Report window may be swapped for any other Lap Report window using the CTRL-D keyboard shortcut. The size and position of the original window will be retained.

132 DATAVIEW Pg. 132/ Lap Report / Window layout In this example several channels have been loaded and are being viewed over 4 laps. Icon indication the current loaded lap Channel names, double click to open the properties Report information user selectable