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Data Logger C 70
Manual
Version 1.1 26/09/2019

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Table of Contents

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   Summary of Contents for Bosch C 70

  • Page 1 Data Logger C 70 Manual Version 1.1 26/09/2019...
  • Page 2: Table Of Contents

    13.2 Configuration of recordings..................................... 13.3 Recording data on USB device..................................14 Lap Trigger ..................................14.1 Lap trigger (timing beacon)....................................14.2 Counting outing/laps/fragments ................................... 14.3 Lap timing..........................................14.4 Segment timing........................................14.5 Countdown timer ......................................... ii / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 3 17.2 Firmware update........................................18 Cloning the Unit................................19 Fuel Consumption Calculation ............................19.1 Setting up fuel consumption calculation and tank management ..................... 19.2 Fuel consumption diagnosis/counter reset..............................19.3 Example ............................................ 20 RaceCon Shortcuts................................Bosch Motorsport Data Logger C 70 Manual iii / 112...
  • Page 4: Onboard Network Concept

    As short as possible active ANA_IN(xy) LS_GND_1 Sensor LS_GND_2 ANA_IN(xx) Sensor Engine_GND SENSGND NOTICE This schematic is not device specific, please see the section “Technical Data for the spe- cifications of your device. 4 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 5: Communication Channels

    2 Communication channels CAN bus The C 70 has two CAN buses configurable as input and output. Different baud rates are selectable. Please note that the C 70 does not contain any CAN termination resistors. Thus the CAN termination resistors need to be integrated into the wiring loom.
  • Page 6: Preparation

    3 | Preparation 3 Preparation Use the C 70 only as intended in this manual. Any maintenance or repair must be per- formed by authorized and qualified personnel approved by Bosch Motorsport. Operation of the C 70 is only certified with the combinations and accessories that are spe- cified in this manual.
  • Page 7: Power Supply

    – KL 30 is an unswitched battery positive rail (same as battery positive terminal) – KL 31 is an unswitched ground rail (same as battery negative terminal) Be careful to observe current limits of wires and connector pins! Bosch Motorsport Data Logger C 70 Manual 7 / 112...
  • Page 8: Analog And Frequency Inputs

    Filtered physical value Filtered channels are routed through digital low pass filters: – C 70 uses A/D converter oversampling and digital filtering to recording rate – Digital filters eliminate ‘out-of-band’ noise – Cut-off frequency automatically adjusted to recording rate –...
  • Page 9: Configuring Inputs

    'Bosch Sensor Wizard' Click on ‘Measurement Sources’ in the Toolbox. To expand the list of ‘I/O Channels’, click on ‘+’ in the C 70 Project Tree. Drag the “Bosch Sensor Wizard” from the Toolbox and drop it on the desired analog input channel in the C 70 Project Tree.
  • Page 10 Click ‘Finish’ when done. The “Create channel” window opens. Enter the channel name and description. Click ‘Ok’ when done. The channel is inserted into the C 70 Project Tree. Channel is linked to ANA03 Calculation of Input pin Pull-up...
  • Page 11 To activate the internal pullup-resistor, check the box. The internal pullup-resistor is used to get a 5 V signal at the analog channel of the C 70. It allows you to use a push- button. The fixed value of the internal pullup-resistor is 3,010 Ohm. If using an addi- tional external pullup-resistor, set up the overall resistance.
  • Page 12 ‘Setting up an online measurement [} 28]’. Click ‘Finish’ when done. Enter a channel name and a description. Click ‘OK’ when done. The channel is inserted into the C 70 Project Tree. 12 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 13 Thermistor Click ‘Measurement Sources’ in the Toolbox. To expand the list of ‘I/O Channels’, click on ‘+’ in the C 70 Project Tree. Drag the “Characteristic Curve” analogue signal source from the Toolbox and drop it on the desired analogue input channel in the C 70 Project Tree.
  • Page 14 To activate the internal pull up-resistor, check the box. The C 70 pull up-resistor is used to get a 5 V signal at the analogue channel of the C 70. It allows you, to use a push-button. The fixed value of the internal pull up-resistor is 3,010 Ohm. If using an additional external pull up-resistor, set up the overall resistance.
  • Page 15 Click ‘Finish’ when done. Enter channel name and description. Click ‘OK’ when done. The channel is inserted into the C 70 Project Tree. Channel is linked to ANA05 Characteristic Adjustment curve for sensor is disabled...
  • Page 16 – Curve definition by online adjustment at vehicle Click on ‘Measurement Sources’ in the Toolbox. Expand the list of ‘I/O Channels’ by clicking on ‘+’ in the C 70 Project Tree. Drag the ‘Multipoint Adjustment’ analog signal source from the Toolbox and drop it on the desired analog input channel in C 70 Project Tree.
  • Page 17 To activate the internal pullup-resistor, check the box. The internal pullup-resistor is used to get a 5 V signal at the analog channel of the C 70. It allows you to use a push- button. The fixed value of the internal pullup-resistor is 3.01 kOhm. If using an addi- tional external pullup-resistor, set up the overall resistance.
  • Page 18 Click ‘Finish’ when done. Enter channel name and description. Click ‘OK’ when done. The channel is inserted into the C 70 Project Tree. Channel is linked to ANA06 Characteristic Adjustment curve for sensor is enabled...
  • Page 19 Online definition of the curve is covered in the chapter ‘Online calibration of measurement channels [} 33]’ of this manual. NOTICE Working with automatically created measurement sheets is ex- plained in chapter ‘Setting up an online measurement [} 28]’. Bosch Motorsport Data Logger C 70 Manual 19 / 112...
  • Page 20 5 | Analog and Frequency Inputs 5.2.5 Digital filter details C 70 uses A/D converter oversampling and digital filtering to recording rate. Digital filters eliminate ‘out-of-band’ noise Cut-off frequency automatically adjusted to recording rate Example: – 100 Hz recording rate (10 ms) –...
  • Page 21 – Calculation of wheel speed with wheel circumference Click on ‘Measurement Sources’ in the Toolbox. To expand the list of ‘I/O Channels’, click on the ‘+’ in the C 70 Project Tree. Drag the ‘Velocity’ digital signal source from the Toolbox and drop it on the desired ‘REV’...
  • Page 22 Enter name to automatically create a new measurement sheet Click ‘Finish’ when done. Enter the channel name and description. Click ‘OK’ when done. The channel is inserted into the C 70 Project Tree. Channel is linked to REV01 Input pin Number of...
  • Page 23: Configuring Computed Sources

    Example: Sensitivity/offset calculation on input channel Click ‘Measurement Sources’ in the Toolbox. Drag the ‘Sensitivity/Offset’ computed source from the Toolbox and drop it on ‘Com- puted Channels’ in the C 70 Project Tree. Drag + Drop A ‘Computed Sensitivity/Offset Wizard’ opens.
  • Page 24: Hysteresis

    Click ‘Finish’ when done. Enter channel name and description. Click ‘OK’ when done. The channel is inserted into the C 70 Project Tree. NOTICE Working with automatically created measurement sheets is ex- plained in chapter ‘Setting up an online measurement’.
  • Page 25 Enter name to automatically create a new measurement sheet Click ‘Finish’ when done. Enter channel name and description. Click ‘OK’ when done. The channel is inserted into the C 70 Project Tree. Channels available in Computed sources Calculation of hysteresis channel...
  • Page 26 Click on ‘Measurement Sources’ in the Toolbox. Drag the ‘Speed’ computed source from the Toolbox and drop it on the project name in the C 70 Project Tree. Do not drop it on ‘C 70’! Drag + Drop A ‘Calculated Speed Wizard’ opens.
  • Page 27 Choose driven axle Choose individual wheel speed channels Set limit for speed difference for calculation Click ‘Finish’ when done. The speed calculation is inserted into the C 70 Project Tree. Speed calculation in DDU Project Tree Measurement channels calculated speed...
  • Page 28: Online Measurement

    C 70 configuration – System configuration (channel + display configuration, CAN I/O, etc.) is stored in the C 70 – Use RaceCon to create and download configuration from the PC to C 70 Communica- tion interface: Ethernet – Communication protocol: XCP Online measurement + calibration –...
  • Page 29 Drag + Drop Select the desired measurement channel from the ‘Data’ area and drop it on the measurement element. If the C 70 shows the green status, the value is displayed. Bosch Motorsport Data Logger C 70 Manual 29 / 112...
  • Page 30 Oscilloscope (Chart) 6.1.1 Automatic creation of measurement sheets RaceCon can create measurement sheets automatically. You can create and use measurement sheets with the C 70 as well as with all other devices connected to RaceCon. 30 / 112 Data Logger C 70 Manual...
  • Page 31 During the configuration of a measurement channel, select a measurement sheet from the list box or enter a name for a new measurement sheet. Select existing sheet from list or enter name of new sheet Bosch Motorsport Data Logger C 70 Manual 31 / 112...
  • Page 32 The automatically created sheet is inserted in the Project Tree under ‘Measurement Container’ and ‘Device Channels’. If the C 70 is connected to RaceCon and the status is green, live values of the channels are shown. 6.1.2 Using the measurement sheets When RaceCon is online, press the ‘F11’...
  • Page 33: Online Calibration Of Measurement Channels

    – Analog sensors drift with age, temperature, etc. – Manual calibration is necessary – Solution: online offset calibration – Example: acceleration sensor 6.2.1 Enable online offset calibration for measurement channel During creation of the measurement channel Bosch Motorsport Data Logger C 70 Manual 33 / 112...
  • Page 34 6.2.2 Performing the online offset calibration C 70 has to be connected to RaceCon to calibrate the sensor’s offset. Apply the desired physical condition to the sensor (e.g. 1 G to an acceleration sensor). Open the measurement channel’s online page by double-clicking on the measure- ment channel name in the Data Area.
  • Page 35: Online Calibration Of Multipoint Adjustment Channels

    Create a multipoint adjustment measurement channel. To create a multipoint channel, see chapter ‘Configuring a multipoint adjustment [} 16]’. Download the configuration on the C 70. To connect the C 70 to RaceCon, see chapter ‘Setting up a new RaceCon Project [} 51]’.
  • Page 36 Press the ‘Calibrate’ button of the desired calibration point. Repeat for all curve points. 10. Click ‘Close’ when done. The calibration curve is displayed in the online view. Adjustment points vs. offset adjustment 36 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 37: Error Memory

    DDU 8. Please consider this and replace the product name ‘DDU 8’ in this case with the name of your product. 7.1 Error memory representation in RaceCon Bosch Motorsport devices feature an error memory. Information on errors can be visual- ized via RaceCon (online measurement) or can be transmitted via telemetry. 7.1.1 Accessing the memory...
  • Page 38 The error memory is not cleared by a configuration download and is not cleared by a power cycle. 7.1.2 Clearing the error memory There are two ways of clearing the error memory, both are shown in the following illustra- tion: 38 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 39: Information On Errors Available From The Error Memory

    1: at least one inactive error present in memory, no active errors 2: at least one active error present in memory If displayed in a measurement sheet, this property’s value (0, 1 or 2) is translated into a verbal description: Bosch Motorsport Data Logger C 70 Manual 39 / 112...
  • Page 40 No orange border MIL off (black) No entries 1 (at least one inactive error present in memory, no active errors): Constantly orange border MIL constantly orange Info cycling through errors, present in error memory 40 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 41 All failure modes are continuously diagnosed; any error detected will be written to the error memory. Once an error is detected, it is qualified as “active”. – 1 (TRUE) Error was detected in most recent diagnose run (active) Bosch Motorsport Data Logger C 70 Manual 41 / 112...
  • Page 42 (while more than one error is active) and watch the values change periodically: The verbal representation of the numerical codes of these labels can be visualized in the properties window of the measurement page: 42 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 43: Analog Input Diagnosis

    ANA pin setup wizard; to allow for a diagnosis regarding shortcut to ground, shortcut to battery voltage and cable breakage, a minimum / maximum has to be defined. Bosch Motorsport Data Logger C 70 Manual 43 / 112...
  • Page 44 Open the Error Memory of the Device. Click "start detection of cable". Check the Error Memory for new fault entries, regarding "Open line errors". 44 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 45: Technical Data

    3 GB (standard), plus 1 GB (optional) LTE Ethernet telemetry support, GSM telemetry support RS232 for GPS and telemetry CCP-Master, data acquisition from ECU that support CAN calibration protocol (optional) CAN interfaces Ethernet 100BaseT Laptrigger input Bosch Motorsport Data Logger C 70 Manual 45 / 112...
  • Page 46 Sensor supply U_Bat 250 mA Sensor ground Optional Upgrades USB_DATA USB-Port unlocked (Rugged USB flash drive Bosch File System (BFS) format in- cluded, works with Bosch File System (BFS) preformatted USB Flash drive only) Adapter cable to USB-Port included in Upgrade USB_DATA...
  • Page 47 Sens_Power_10V over current protected Incl. ANA_IN_8 3.01 kOhm switchable Opt. ANA_IN_10 3.01 kOhm switchable Opt. USB_Device_Gnd to Bosch USB stick Opt. USB_Device_DN to Bosch USB stick Opt. RS232_RX_Telemetry e.g. GSM telemetry Incl. Bosch Motorsport Data Logger C 70 Manual 47 / 112...
  • Page 48 3.01 kOhm switchable Incl. ANA_IN_13 3.01 kOhm switchable Opt. ANA_IN_15 3.01 kOhm switchable Opt. Ethernet_1_RXN Incl. ANA_IN_5 3.01 kOhm switchable Opt. RS232_RX_GPS for GPS sensor input Incl. ANA_IN_14 3.01 kOhm switchable Opt. 48 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 49: Disposal

    Disposal | 9 9 Disposal Hardware, accessories and packaging should be sorted for recycling in an environment- friendly manner. Do not dispose of this electronic device in your household waste. Bosch Motorsport Data Logger C 70 Manual 49 / 112...
  • Page 50: Mechanical Drawing

    10 | Mechanical Drawing 10 Mechanical Drawing 50 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 51: Starting Up

    Starting up | 11 11 Starting up 11.1 Before starting Install the software required C 70 operation. It is developed for Windows system software. Following software versions are used in this manual: – C 70 setup, configuration and calibration: RaceCon –...
  • Page 52 11 | Starting up In the ‘File’ menu select ‘New project’ to create a new project. In the Toolbox select the C 70 and drag it into the Main Area. A pop up window to specify the C 70 program archive appears.
  • Page 53 Starting up | 11 Click ‘Next’. Select ‘Race track’ or ‘Testbench’ mode according to your application. Click ‘Finish’. The C 70 is inserted into the project and RaceCon tries to connect to the device. Bosch Motorsport Data Logger C 70 Manual 53 / 112...
  • Page 54 The download starts and the C 70 carries out a reset. After the reset, RaceCon reconnects to the C 70. Local configuration on both the PC and C 70 match (indicated by green background and dot). The C 70 is now connected to RaceCon.
  • Page 55: Feature Activation

    – The feature activation status is stored permanently in the device and requires activat- ing once only. – As the activation key is device specific, a key delivered with one C 70 does not work on any other C 70 .
  • Page 56 Enter the activation key you received for this feature on this device and click ‘OK’ when done. The feature’s status changes to ‘unlocked’. Perform these steps to activate other features you purchased. Switch the car’s ignition off and on again to cycle the power of C 70. 56 / 112 Data Logger C 70 Manual...
  • Page 57: First Recording (quick Start)

    Drag and drop the ‘ub’ measurement channel into the recording area. Drag + Drop Click on the ‘Download’ button in the upper left corner. The configuration download starts and the C 70 carries out a reset. Now you can find the ‘ub’ measurement channel in the ‘Data Area’. Bosch Motorsport Data Logger C 70 Manual 57 / 112...
  • Page 58 11 | Starting up As we did not define global start conditions, recording starts immediately. Start the WinDarab software. Disconnect the C 70 network cable. Click on the ‘Read Data from Logging Device’ icon. Choose your logger and click ‘OK’ when done.
  • Page 59 12. Click on the ‘Current Import’ tab. 13. Click on ‘Import’ in the lower right corner. If the ‘Import all on connect’ box is checked, the data transmission from the C 70 starts automatically. Measurement files are stored automatically in the folder defined under ‘Settings’.
  • Page 60: Set Time And Date

    The ‘ub’ measurement channel‘s graph is displayed. 11.4 Set time and date The C 70 is equipped with a real time clock which is supplied by an internal accumulator. Once this accumulator is charged correctly by 12 V supply of the display, ‘Date & Time’...
  • Page 61 Set the current local date and time as coordinated universal time. At ‘Set a specific date & time’ click and type on the value you want to change, or choose from the dropdown menu. Bosch Motorsport Data Logger C 70 Manual 61 / 112...
  • Page 62: Can Bus

    12 | CAN Bus 12 CAN Bus The C 70 has four fully configurable CAN buses. Two of these are available as an upgrade. – Baudrate (250 kbaud , 500 kbaud, 1 Mbaud) – 11 Bit or 29 Bit identifiers –...
  • Page 63: Can Input

    Double-click on any CAN bus item, to open the "CAN messages overview". Select ‘Add CAN-IN’ and choose the desired CAN bus for the new input channel. A CAN channel configuration window opens. Bosch Motorsport Data Logger C 70 Manual 63 / 112...
  • Page 64 12 | CAN Bus Insert the name and description of the channel. Click ‘OK’ when done. The channel is listed in the Data window. 64 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 65 Extracting data from CAN bus Representation: Byte Some CAN devices need to be addressed by a byte represented CAN channel. The ad- dress can be assigned in this window and is illustrated by a bar graph. Bosch Motorsport Data Logger C 70 Manual 65 / 112...
  • Page 66 Enter data position, length and format. e) The bargraph shows assignment of the bytes. - Red colored fields show the assignment of the data bytes. - Orange colored fields show the assignment of the multiplexer bytes. 66 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 67 CAN analyzer functionality This functionality is only available, if a MSA-Box (I or II) is used to connect the C 70 to the PC. Choose the CAN bus that is connected to the MSA-Box to display the raw value and the converted physical value here.
  • Page 68: Can Output

    For an online view of the value measured by the C 70 , insert the channel in an online measurement sheet which is described in the chapter Setting up an online measurement [} 28].
  • Page 69 Enter name of message, description, CAN-Id and Grid (output interval). Optionally, specify a multiplexer. Definition of CAN message Content of message Click on ‘Add channel’ or ‘Add constant’, this opens the ‘Add new CAN out channel’ window. Bosch Motorsport Data Logger C 70 Manual 69 / 112...
  • Page 70: Multiplexer

    – Re-use (multiplex) of message identifiers by splitting it into several rows. – Every row is assigned to a unique value of the multiplexer. – One byte of message contains row counter. 70 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 71 Select a channel and configure it. To assign it to the row selected before, check the box ‘Multiplexed’. To move the channel message, change the “Start” value or click and hold the green field in the “Add new CAN out message” window. Click ‘OK’ when done. Bosch Motorsport Data Logger C 70 Manual 71 / 112...
  • Page 72 12 | CAN Bus 10. The channel message is assigned to the selected fields. 11. Click ‘OK’ when done. Payload Area Counter Message Payload Area Counter 72 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 73: Recording

    Variables can be grouped Tabs to access conditions, settings and statistics To add measurement channels to a recording, click ‘C 70’ in the C 70 Project Tree. In the Data Area, the measurement channels are displayed. Drag and drop desired measurement channels into recording group.
  • Page 74 Using fast block/slow block transmission C 70 telemetry uses available bandwidth of Telemetry Unit FM 40 (19,200 baud -> approx. 1,700 bytes/s). The bandwidth has to be divided into channel information to be transmit- ted high-frequently and low-frequently using the ‘fast/ slow block’ setting.
  • Page 75 To add a new group, select ‘Add group’ in the context menu of the recording. The groups can be renamed to ‘Gearbox’, ‘Aero’, ‘Engine’, etc. 13.2.3 Global settings To display the global C 70 settings, select the ‘Settings’ Tab. Bosch Motorsport Data Logger C 70 Manual...
  • Page 76 The overview helps to detect bandwidth bottlenecks of channels. Bandwidth bottlenecks can be solved by changing the ‘fast/slow block’ setting for each channel. The data rate of the whole system is often less than the data rate of the C 70 and limits the overall transmission speed.
  • Page 77 Recording | 13 13.2.5 Recording diagnosis The channel ‘statectrl_ok’ of the C 70 can be used for online monitoring of recording status. Value Name RECORD DATAOK BLKOK STARTED Content of status bits Name Bitset Bit cleared RECORD Measurement data is re- No measurement data will be stored because meas- corded.
  • Page 78: Recording Data On Usb Device

    Power on the system and connect with RaceCon to the vehicle. Download the configuration to the C 70. Record measurement data. If an USB device is present, the C 70 stores the data in parallel on the internal memory and the USB device.
  • Page 79 Choose your DDU from dropdown list 12. Activate ‘Apply changes’. Insert the USB device into the PC. Data transmission from device starts automatically. Measurement files are stored automatically in the base folder. Bosch Motorsport Data Logger C 70 Manual 79 / 112...
  • Page 80 17. Click in ‘New Desktop‘ to open a new measurement data window. 18. Drag the desired measurement channel from the Channel list and drop it into the measurement data window. The measurement channel‘s graph is displayed 80 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 81 C 70 still records data. If the USB device is unplugged and re-inserted for > 4 s while the C 70 is powered up or a different USB device is plugged in, the C 70 restarts. In this case, the C 70 is not opera- tional for 1.5 s.
  • Page 82 5: Error: Media error The communication to the USB device broke down. The USB device is defect. The USB device is not supported by C 70. 6: Error: Media corrupt The USB device is not in valid BFS format. (Hint: Re-format the USB device in RaceCon.) 82 / 112...
  • Page 83: Lap Trigger

    Lap Trigger Transmitter Lap Trigger Receiver 14.1.1 Electrical trigger signal In C 70 all sources of measurement channels can be used as trigger signal. – Analog input – Digital input – CAN input Signal (measurement channel) properties Low active signal (Bosch triggers): Trigger releases if signal is below the threshold.
  • Page 84 The lap trigger will be set as soon as the distance between the car and the detection point has reached its smallest peak. By this function an imaginary finish- ing line is calculated inside of the detection circle. 84 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 85 Under race conditions, trigger signals are sometimes missed. Software functionality intro- duces ‘forced trigger’. 14.1.5 Setting up a lap trigger Click ‘Measurement Sources’ in Toolbox. Drag ‘Laptrigger’ into ‘System Overview’. Do not drop it on ‘C 70’! Bosch Motorsport Data Logger C 70 Manual 85 / 112...
  • Page 86 Choose the signal channel for the trigger signal Choose the source for the vehicle speed Enter the distance of the racetrack Click ‘Finish’ to complete the operation. A pre-configured lap trigger window opens. 86 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 87 Preset value for 'best laptime' Change signal for vehicle speed, if desired. Enter minimum speed for trigger release. Define settings for distance based retrigger protection. Define settings for distance based forced trigger. Bosch Motorsport Data Logger C 70 Manual 87 / 112...
  • Page 88 Only applicable for a GPS Laptrigger Define the latitude and longitude of the GPS detection point. Define the detection range around the detection point. Define the channel sources for Longitude, Latitude, Direction and Speed. 88 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 89 When the reset buttons on the diagnosis page are activated, these values are used. Preset values for lap counter and outing counter Minimum laptime that a new 'best laptime' is accepted Preset value for 'best laptime' Bosch Motorsport Data Logger C 70 Manual 89 / 112...
  • Page 90: Counting Outing/laps/fragments

    Counting in WinDarab To automatically name recorded files use filename templates in WinDarab dialog: Filename template Function [outing] Value of outing counter [lap] Value of lap counter [fragment] Value of fragment counter 90 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 91: Lap Timing

    Trigger is locked until configured min distance (i.e. 80 % → 3200 m) of track distance (i.e. 4000 m) has been covered. To deactivate distance based retrigger protection, set min dis- tance to 0 %. Bosch Motorsport Data Logger C 70 Manual 91 / 112...
  • Page 92 To deactivate distance based forced triggers, uncheck box. Change signal for vehicle speed, if desired. Enter minimum speed for trigger release. Define settings for distance based retrigger protection. Define settings for distance based forced trigger. 92 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 93: Segment Timing

    (main trigger). Define settings for sub trigger. Not applicable with a GPS lap trigger. Sub Trigger Trigger Sub Trigger Main Trigger The sub trigger mode cannot be used with the GPS lap trigger. Bosch Motorsport Data Logger C 70 Manual 93 / 112...
  • Page 94: Countdown Timer

    The trigger signal starts a timer countdown. The current value of the timer is stored in the variable Laptrigger_cntdown_dls which can be displayed. Define settings for countdown timer. 94 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 95: Predated Laptime

    The channel Laptrigger_lapdiff_pred_dls is updated as soon as the main lap trigger is re- ceived. Both other channels are updated as soon as the next segment distance is travelled or the next intermediate trigger is received. Bosch Motorsport Data Logger C 70 Manual 95 / 112...
  • Page 96: Gps Sensor

    Baud rate: 9,600 is standard for GPS, C 70 supports 1,200 to 115,200 baud. GPS Rx inter- face baud rate must match C 70 interface baud rate. C 70 Baud rate can be set with the ‘GPS_BAUDRATE’ characteristic Data format: C 70 expects 8 data bits, no parity bit, 1 stop bit (8N1) 16.2 Protocol...
  • Page 97 Con. For a good signal quality we recommend 115,200 baud. – Click on “Send” to store the new setting in “U-Center”. – Click on “CFG (Configuration)”. – Click on “Send” to save the new setting on the sensor. Bosch Motorsport Data Logger C 70 Manual 97 / 112...
  • Page 98 – Click on “Send” to store the new setting in “U-Center”. – As during configuration step 1, click on “CFG (Configuration)”. – Click on“Send” to save the new setting on the sensor. 98 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 99: Measurement Labels

    – Click on“Send” to save the new setting on the sensor. NOTICE Sensor needs reception for visible signal. It takes time to start the sensor. 16.4 Measurement labels The decoded NMEA messages are copied to these C 70 measurement labels. Measurement label Function gps_PDOP Position Dilution Of Precision...
  • Page 100: Gps Troubleshooting

    Is the sensor connected to the „sensor ground“ of the device? Interface Do the baud rates of the GPS sensor and the C 70 match? Is the GPS sensor set up for 8N1 transmission parameters? Is the GPS sensor set up for NMEA messages? Are the GGA, VTG, RMC messages activated? 100 / 112...
  • Page 101 GPS sensor values are frozen Does the sensor has lost its reception? The old values will be kept if the reception is lost. The gps_smask channel shows which NMEA sentence is received. Bosch Motorsport Data Logger C 70 Manual 101 / 112...
  • Page 102: Firmware

    Recorded data: Measurement data recorded during vehicle operation. 17.2 Firmware update The scheme shows the process during each connection between RaceCon and C 70. 17.2.1 Performing the firmware update Firmware update is only possible if the C 70 is connected to RaceCon.
  • Page 103 Firmware | 17 The configuration of Input channels, CAN I/O, display, recording + telemetry will not be changed. In the C 70 Project Tree, right-click on ‘C 70’ and choose ‘Synchronize’ then ‘Update firmware’. A pop-up menu opens. Select the destination of the firmware archive (PST).
  • Page 104 When the firmware update is complete, the C 70 displays the message ‘Updating firmware finished. Do a powercycle.’ Switch the car’s ignition off and on again to cycle the power of the C 70. 104 / 112 Data Logger C 70 Manual...
  • Page 105: Cloning The Unit

    18 Cloning the Unit To replace a C 70 by another device, it is possible to clone it. A clone is a 1:1 copy of a device. This can be useful for copying specific data, like sensor-offset calibration to a spare unit for a specific car.
  • Page 106 Click ‘Clone apply’ in Extras menu. Choose clone file. Click ‘Ok’. Please remember that following properties are not stored into the clone: – Lifetime of device – Serial number – Upgrade features 106 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 107: Fuel Consumption Calculation

    Select ‘Measurement Sources’ in Toolbox. Drag ‘Fuel’ element and drop it on the vehicle in System Overview. Do not drop it on the C 70! Drag + Drop A ‘fuel consumption wizard‘ opens. Bosch Motorsport Data Logger C 70 Manual 107 / 112...
  • Page 108: Fuel Consumption Diagnosis/counter Reset

    Double-click on any ‘fuel_xxx’ channel in channel list. A diagnosis window opens in Main Area. Button to reset total fuel consumption (Reset with RaceCon only) Button to reset fuel consumption manually (Can also be triggered ) Settings overview 108 / 112 Data Logger C 70 Manual Bosch Motorsport...
  • Page 109: Example

    Fuel_fuelrem_dls Remaining fuel in tank, starting at tank capacity Fuel_fuellap_dls Fuel consumption for current lap, starting at ‘0’ Fuel_fuellapold_dls Fuel consumption of last lap completed Fuel_laprem_dls Remaining laps with fuel in tank Bosch Motorsport Data Logger C 70 Manual 109 / 112...
  • Page 110: Racecon Shortcuts

    20 | RaceCon Shortcuts 20 RaceCon Shortcuts The table shows important shortcuts simplify controlling the C 70 in RaceCon. Shortcut Function General navigation Open RaceCon help Rename selected object Select Data Area Select Project Tree Start the data comparison Start dataset manager...
  • Page 111 Bosch Motorsport Data Logger C 70 Manual 111 / 112...
  • Page 112 Bosch Engineering GmbH Motorsport Robert-Bosch-Allee 1 74232 Abstatt Germany www.bosch-motorsport.com...

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