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5 | Analog and Frequency Inputs

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Data Logger C 70 Manual

Bosch Motorsport

Click ‘Next’.

Define the settings for the sensor.

Number of teeth on the
pulse wheel

Circumference of wheel
for speed calculation

Choose data type of the
measurement variable

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
has hall
interface

Number of
teeth

Wheel
circumference

Available measurements for channel:

Содержание C 70

Страница 1: ...Data Logger C 70 Manual Version 1 1 26 09 2019 ...

Страница 2: ... Error memory representation in RaceCon 37 7 2 Information on errors available from the error memory 39 7 3 Analog Input Diagnosis 43 8 Technical Data 45 9 Disposal 49 10 Mechanical Drawing 50 11 Starting up 51 11 1 Before starting 51 11 2 Feature activation 55 11 3 First recording Quick Start 57 11 4 Set time and date 60 12 CAN Bus 62 12 1 CAN bus trivia 62 12 2 CAN input 63 12 3 CAN output 68 12...

Страница 3: ...ystem 96 16 2 Protocol 96 16 3 Sensor recommendation 96 16 4 Measurement labels 99 16 5 GPS troubleshooting 100 17 Firmware 102 17 1 Firmware and configuration 102 17 2 Firmware update 102 18 Cloning the Unit 105 19 Fuel Consumption Calculation 107 19 1 Setting up fuel consumption calculation and tank management 107 19 2 Fuel consumption diagnosis counter reset 108 19 3 Example 109 20 RaceCon Shor...

Страница 4: ...tive terminal Electric Loads IGN Switch KL15 SENSPWR5 SENSGND active Sensor ANA_IN xx NTC Sensor ANA_IN xy switched pos terminal Star connection dig sensors e g wheelspeed µC As short as possible SENSPWR10 UBATT_FUSE KL30 LS_SWITCH1 4 Bosch Motorsport diagnosis connector PC Device NOTICE This schematic is not device specific please see the section Technical Data for the spe cifications of your dev...

Страница 5: ...as two RS232 serial ports Baud rate for both ports is programmable RS232 port 1 is reserved for online telemetry port 2 can be used for reception of data from a serial GPS receiver Vehicle diagnosis connector The Bosch Motorsport vehicle diagnosis connector is used as a standard interface to con nect the vehicle to a PC e g via a MSA Box II Loom connector AS 0 12 35SN Pin Name Description Used for...

Страница 6: ...the application hints step by step Do not hesitate to contact us contact data can be found on the last page of this document Important information on Electromagnetic Conformity To avoid unwanted interference with the environment people animals electronic devices or unwanted harm to the environment it is mandatory that the user of the C 70 carries out an appropriate analysis to determine the electr...

Страница 7: ... should be free from dirt grease paint anodizing etc Use large diameter wire More metal to metal contact is better The following notations for power signals are used KL 15 is a switched battery rail controlled by the IGN switch 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 cu...

Страница 8: ...el several subchannels are available Measurement labels with the characters raw show the exact values in mV Measurement labels with the characters _fi show filtered values The word name in the table is a placeholder for the channel s name Measurement label Function raw_name mV value of sensor raw_name_fi Filtered mV value of sensor name Physical value of sensor name_fi Filtered physical value Filt...

Страница 9: ...efined Bosch sensor with the Bosch Sensor Wizard 1 Click on Measurement Sources in the Toolbox 2 To expand the list of I O Channels click on in the C 70 Project Tree 3 Drag the Bosch Sensor Wizard from the Toolbox and drop it on the desired analog input channel in the C 70 Project Tree Drag Drop The Bosch Sensor Wizard opens ...

Страница 10: ...one The Create channel window opens 5 Enter the channel name and description 6 Click Ok when done The channel is inserted into the C 70 Project Tree Channel is linked to ANA03 Input pin Pull up resistor is activated Calculation of physical value with characteristic curve Available measurements for channel Measurement label Function raw_name mV value of sensor raw_name_fi Filtered mV value of senso...

Страница 11: ...n the C 70 Project Tree 3 Drag the Sensitivity Offset analog signal source from the Toolbox and drop it on the desired analog input channel in the C 70 Project Tree A Sensitivity Offset Wizard opens 4 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...

Страница 12: ...f channel Enter physical limits of the sensor Choose data type of the measurement variable Check box to enable online calibration of offset and enter desired physical offset value Enter name to automatically create a new measurement sheet NOTICE Working with automatically created measurement sheets is ex plained in chapter Setting up an online measurement 28 7 Click Finish when done 8 Enter a chan...

Страница 13: ...f sensor name_fi filtered physical value 5 2 3 Configuring a generic nonlinear sensor Example Thermistor 5 kOhm From sensor data sheet resistance values over temperature The sensor has a nonlinear behavior Use characteristic curve for linearization Input voltage is the ratio between pull up resistor and thermistor Pin Thermistor 5V 3 kOhm 1 Click Measurement Sources in the Toolbox 2 To expand the ...

Страница 14: ...istor 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 5 Click Next when done The second part of the Sensitivity Offset Wizard opens ...

Страница 15: ...he Characteristic Curve Wizard opens Physical limits of channel Enter physical limits of the channel Choose data type of the measurement variable This sensor does not need offset calibration Enter name to auto matically create a new measurement sheet 7 Click Finish when done 8 Enter channel name and description 9 Click OK when done The channel is inserted into the C 70 Project Tree Channel is link...

Страница 16: ...urement 28 5 2 4 Configuring a multipoint adjustment Example Measurement of wheel force Physical property wheel force not directly measureable Load transfer through suspension kinematics Physical value at sensor position defined by vehicle Curve definition by online adjustment at vehicle 1 Click on Measurement Sources in the Toolbox 2 Expand the list of I O Channels by clicking on in the C 70 Proj...

Страница 17: ...stor 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 5 Click Next when done The second part of the Multipoint Adjustment Wizard opens ...

Страница 18: ...stment Wizard opens Physical limits of channel Enter physical limits of the sensor Choose data type of the measurement variable Enable additional online calibration Enter name to auto matically create a new measurement sheet 7 Click Finish when done 8 Enter channel name and description 9 Click OK when done The channel is inserted into the C 70 Project Tree Channel is linked to ANA06 Input pull up ...

Страница 19: ..._name_fi filtered mV value of sensor name physical value of sensor name_fi filtered physical value 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 ...

Страница 20: ...d 1 Linear phase no signal distortion 0 500 1000 1500 2000 2500 3000 2 1 5 1 0 5 0 0 5 1 1 5 2 Abtastwerte roh Wert 10000Hz Abtastrate 0 5 10 15 20 25 30 1 5 1 0 5 0 0 5 1 1 5 Abtastwerte gefiltert Wert 100Hz Abtastrate 0 5 10 15 20 25 30 1 5 1 0 5 0 0 5 1 1 5 Abtastwerte dezimiert Wert 100Hz Abtastrate Sensor signal with noise Recorded signal 100Hz unfiltered Recorded signal 100Hz filtered Latenc...

Страница 21: ... real time 5 2 6 Configuring a frequency input Example measurement of wheel speed Pulse wheel attached to wheel Each passing tooth of pulse wheel triggers hall sensor Calculation of wheel speed with wheel circumference 1 Click on Measurement Sources in the Toolbox 2 To expand the list of I O Channels click on the in the C 70 Project Tree 3 Drag the Velocity digital signal source from the Toolbox a...

Страница 22: ...or speed calculation Choose data type of the measurement variable Enter name to automatically create a new measurement sheet 7 Click Finish when done 8 Enter the channel name and description 9 Click OK when done The channel is inserted into the C 70 Project Tree Channel is linked to REV01 Input pin has hall interface Number of teeth Wheel circumference Available measurements for channel ...

Страница 23: ...ed sources receive data from a measurement channel rather than an input pin Sensitivity Offset calculation on input channel Characteristic curve calculation on input channel Computed vehicle speed Lap trigger covered in a special separate section Example Sensitivity offset calculation on input channel 1 Click Measurement Sources in the Toolbox 2 Drag the Sensitivity Offset computed source from the...

Страница 24: ... to auto matically create a new measurement sheet 4 Click Finish when done 5 Enter channel name and description 6 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 5 4 Hysteresis The hysteresis function avoids the high frequent switchover of the measurement cha...

Страница 25: ... changes from B to A i Enter time when the hysteresis function is activated after vehicle s startup j Enter the channel s state A or B at startup 3 Click Next when done The second part of the Hysteresis Wizard opens Choose data type of the measurement variable Check the box to force the channel s quantization if the quantization should be a fixed value in the whole CAN system Enter name to automat...

Страница 26: ...ven axle as input Calculated speed is average of both speeds if speed difference between wheels limit Calculated speed is maximum of both speeds if speed difference between wheels limit Calculating vehicle speed of 4 wheel drive Wheel speeds of all wheels as input Calculated speed is speed of 2nd fastest wheel 5 4 2 Setting up calculated speed 1 Click on tab System Overview 2 Click on Measurement ...

Страница 27: ... external Choose driven axle Choose individual wheel speed channels Set limit for speed difference for calculation 4 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 and calculated distance Configuration window ...

Страница 28: ...he PC Use RaceCon for diagnosis online measurement and calibration Communication interface Ethernet Communication protocol XCP 6 1 Setting up an online measurement C 70 supports online measurement of sensor values and diagnostic variables 1 Expand Measurement Container and Measurement Folder 1 in the Project Tree and double click on Sheet1 Alternatively click on the Calibration Measuring tab to op...

Страница 29: ...different sheets click on the tabs on the bottom of the Calibra tion Measuring window Tabs to switch between sheets To add an element to a measurement sheet perform the following steps 5 Drag a measurement element from the Toolbox and drop it on the measurement sheet Drag Drop 6 Select the desired measurement channel from the Data area and drop it on the measurement element If the C 70 shows the g...

Страница 30: ...l Bar graph style Temperature gauge Horizontal Bar graph style Circular gauge Numeric indicator Measurement label 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 ...

Страница 31: ...Data Logger C 70 Manual 31 112 Drag Drop 1 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 ...

Страница 32: ...er 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 1 When RaceCon is online press the F11 key to switch from Design Mode into Race Mode The measurement sheet is extended to full screen The button for offset calib ration is active 2 Switch between different sheets using the...

Страница 33: ...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 ...

Страница 34: ...e offset calibration C 70 has to be connected to RaceCon to calibrate the sensor s offset 1 Apply the desired physical condition to the sensor e g 1 G to an acceleration sensor 2 Open the measurement channel s online page by double clicking on the measure ment channel name in the Data Area 3 Enter the physical target value e g 1 G and press the Calibrate button Calibration target value Initiate ca...

Страница 35: ...pter Configuring a multipoint adjustment 16 2 Download the configuration on the C 70 To connect the C 70 to RaceCon see chapter Setting up a new RaceCon Project 51 3 Click on the desired channel in the C 70 Project Tree 4 Double click on a measurement channel in the Data Area to open the online view Click to open measurement channels in data view Double click to open online view Click to open cali...

Страница 36: ...r C 70 Manual Bosch Motorsport 8 Press the Calibrate button of the desired calibration point 9 Repeat for all curve points 10 Click Close when done The calibration curve is displayed in the online view Adjustment points vs offset adjustment ...

Страница 37: ...nsider 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 The error memory can be accessed as shown in the illustration ...

Страница 38: ...emory even after a power cycle The error state will then reflect if the error is still active or not An error is deleted from the list when the user actively clears the error memory the user updates the firmware 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 sho...

Страница 39: ...o be distinguished 7 2 1 Error Memory Properties The following property is available for the error memory itself Error Status device measurement label error_state 0 no error present in 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 de...

Страница 40: ...scheme within RaceCon provided RaceCon is online with the system 0 no error present in memory No orange border MIL off black No entries 1 at least one inactive error present in memory no active errors Constantly orange border Info cycling through errors present in error memory MIL constantly orange ...

Страница 41: ...location_rotate e g ANA01 for an error concerning the first ANA channel Error durations How long has the error been active If an error encounters a non active period before being cleared from the memory and is then detected again the error duration keeps on accumulating The number of active periods can be seen from the number of oc currences Number of occurrences How many times has the error been ...

Страница 42: ... represent the respective property of each error period ically The following screenshot shows error properties which can be displayed or logged Labels hold information on error 1 an ANA3 error Labels hold information on error 2 n 1 Labels hold information on error n a CAN error After the last error and its error properties have been displayed the labels will start again with the first error in the...

Страница 43: ...limits Shortcut Detection Cable Breakage The pin diagnosis functionality check whether measurement is within the desired range can be activated in the 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 ...

Страница 44: ...sists of pull up resistors being activated and deactivated evaluating the behavior of the measured value detects cable breakage regardless of the pull up resistor being activated by the user 1 Open the Error Memory of the Device 2 Click start detection of cable 3 Check the Error Memory for new fault entries regarding Open line errors ...

Страница 45: ...s connected to the wiring harness for the C 70 The device comes with 4 analogue and 4 speed inputs as standard further 12 analogue inputs are available as optional upgrade Processor 667 MHz Dual Core Converters 8 kHz AD converters with digital low pass filter Internal power source Li Ion capacitor Configurable math channels User configurable CAN in out messages Sampling rate Max 1 ms Online data c...

Страница 46: ...r all ANA_IN Wheel speed inputs 4 Hall effect or DF11 switchable Outputs Sensor supply 5 V 1 250 mA 2 Sensor supply 10 V 1 250 mA 1 Sensor supply U_Bat 250 mA 1 Sensor ground 4 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...

Страница 47: ...RXP Incl 17 Sens_Gnd_4 fused Incl 18 Sens_Power 5V over current protected Incl 19 ANA_IN_3 3 01 kOhm switchable Incl 20 ANA_IN_4 3 01 kOhm switchable Incl 21 Time_Sync connection to Bosch ECU Incl 22 CAN_1_L CAN speed selectable Incl 23 Com_screen Ethernet and USB screen Incl 24 Ethernet_2_RXN Incl 25 Sens_Gnd_3 fused Incl 26 Sens_Power 5V over current protected Incl 27 ANA_IN_7 3 01 kOhm switchab...

Страница 48: ... 44 ANA_IN_16 3 01 kOhm switchable Opt 45 USB_Device_Power to Bosch USB stick Opt 46 Ethernet_1_RXP Incl 47 ANA_IN_12 3 01 kOhm switchable Opt 48 ANA_IN_6 3 01 kOhm switchable Opt 49 ANA_IN_2 3 01 kOhm switchable Incl 50 ANA_IN_13 3 01 kOhm switchable Opt 51 ANA_IN_15 3 01 kOhm switchable Opt 52 Ethernet_1_RXN Incl 53 ANA_IN_5 3 01 kOhm switchable Opt 54 RS232_RX_GPS for GPS sensor input Incl 55 A...

Страница 49: ... Motorsport Data Logger C 70 Manual 49 112 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 ...

Страница 50: ...10 Mechanical Drawing 50 112 Data Logger C 70 Manual Bosch Motorsport 10 Mechanical Drawing ...

Страница 51: ...on and calibration RaceCon Measurement data analysis WinDarab V7 Set up the 100 Mbit Ethernet connection to the C 70 The Ethernet port has cable auto crossover functionality 11 1 1 Setting up a new RaceCon Project The following screenshot shows an overview of the RaceCon Main Screen with its areas All sub windows are resizable and dockable You can find them under the Windows tab Project Tree Data ...

Страница 52: ...elect New project to create a new project 3 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 4 Download the firmware for the C 70 from www bosch motorsport com An information shows if the archive is valid or not ...

Страница 53: ...h Motorsport Data Logger C 70 Manual 53 112 5 Click Next 6 Select Race track or Testbench mode according to your application 7 Click Finish The C 70 is inserted into the project and RaceCon tries to connect to the device ...

Страница 54: ...r No to continue without downloading the data Successful ethernet connection DDU talks to PC If the device turns red you might need to do a firmware update on the device For more information see chapter Firmware update 102 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 backgrou...

Страница 55: ...tivation 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 When purchasing a software feature package you have to tell Bosch the ECU ID code The ECU ID code is device specific and can be found in the features info window shown in the screenshots below If you have not p...

Страница 56: ...Double click on the feature you want to activate A feature unlock window appears 5 Enter the activation key you received for this feature on this device and click OK when done The feature s status changes to unlocked 6 Perform these steps to activate other features you purchased 7 Switch the car s ignition off and on again to cycle the power of C 70 ...

Страница 57: ...onfigure recordings 1 Click on the Logger tab to go to the page Logger 2 Use the search bar in the Data window to search for ub measurement channel for battery voltage Search for ub 3 Drag and drop the ub measurement channel into the recording area Drag Drop 4 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 t...

Страница 58: ... global start conditions recording starts immediately 5 Start the WinDarab software 6 Disconnect the C 70 network cable 7 Click on the Read Data from Logging Device icon 8 Choose your logger and click OK when done Click read data from logging device The Data Logger Import dialog opens ...

Страница 59: ...Connect the C 70 network cable 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 14 Click on Close when the transmission has finished 15 Click on the Start button and choose Open measuremen...

Страница 60: ...played 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 can be programmed by RaceCon Reassure that the time is set correctly if the device has not been used for more than two weeks 1 Connect the C 70 to the PC 2 Click on the Set date button in the System...

Страница 61: ...rnatively click on Set Date Time in the context menu of the device A Set Date Time menu opens 4 Set the current local date and time as coordinated universal time 5 At Set a specific date time click and type on the value you want to change or choose from the dropdown menu ...

Страница 62: ...ages out put frequency and row counter are configurable CAN gateway functionality transfer from one bus to another 12 1 CAN bus trivia CAN message 11 Bit standard or 29 Bit extended identifier Up to 8 bytes of data payload CAN bus Needs termination resistors 60 Ohm in wiring harness All devices connected to the bus must use identical data rate Configuration of bus data rate in the CAN messages ove...

Страница 63: ...port RaceCon CAN configuration from file Display CAN bus properties Baudrate Create new CAN output message Export Vector CAN database DBC channel configuration 12 2 CAN input 12 2 1 Create new CAN Input channel 1 Double click on any CAN bus item to open the CAN messages overview 2 Select Add CAN IN and choose the desired CAN bus for the new input channel A CAN channel configuration window opens ...

Страница 64: ...12 CAN Bus 64 112 Data Logger C 70 Manual Bosch Motorsport 3 Insert the name and description of the channel 4 Click OK when done The channel is listed in the Data window ...

Страница 65: ... 70 Manual 65 112 CAN channel configuration 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 ...

Страница 66: ...x b If replacement values are used specify timeout period and raw value c If a multiplexer row counter is used check the box d 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 e ...

Страница 67: ...assignment of the data bits Orange colored fields show the assignment of the multiplexer bits Conversion to physical values a b c d e f g a Enter factor gain for conversion to physical value b Enter offset for conversion to physical value c Select type of physical value d Select unit of physical value e Enter minimum physical limit of the channel for manual setup f Enter maximum physical limit of ...

Страница 68: ...ed in the chapter Setting up an online measurement 28 12 2 2 Import a CAN database DBC file 1 Right click on CAN Input of desired bus CAN1 or CAN2 2 Select Import DBC file from menu A file browser opens 3 Select DBC file to import and click OK when done A channel import window opens 4 Select desired channels on the left and use the Add button to add them to import list 5 Click OK when complete The...

Страница 69: ... CAN bus for the new output channel The New CAN OUT message window opens 2 Enter name of message description CAN Id and Grid output interval Optionally specify a multiplexer Definition of CAN message Content of message 3 Click on Add channel or Add constant this opens the Add new CAN out channel window ...

Страница 70: ...dd constant The Add new CAN Out constant window appears 3 Define the name of the constant the required value in hex and define the CAN chan nel settings 4 Click OK when done Click here 12 4 Multiplexer Row counter concept If certain channel messages are not time critical and can be imported or exported slowly you can use a multiplexer to put several channel messages on one message identifier Re us...

Страница 71: ...heck the box Use Multiplexer and configure the multiplexer for the new CAN IN channel 4 To configure the multiplexer for a CAN OUT channel select Add CAN OUT 5 Check the box Use Multiplexer and click on the button Add row to split the mes sage identifiers into several rows 6 Click on one row and select Add channel to assign a channel to the row The Add new CAN out channel dialog opens 7 Select a c...

Страница 72: ...12 CAN Bus 72 112 Data Logger C 70 Manual Bosch Motorsport 10 The channel message is assigned to the selected fields 11 Click OK when done Payload Area Row Counter Row Counter Payload Area Message Id ...

Страница 73: ...slow switches 13 2 Configuration of recordings 1 Expand the list of Loggers by clicking on in the C 70 Project Tree Double click to display the configuration automatically change to Logger 2 Double click on Recording in C 70 Project Tree The recording configuration is dis played in the Main Area Variables can be grouped Tabs to access conditions settings and statistics 3 To add measurement channel...

Страница 74: ...rded at the value chosen in Rate If the condition is true measurement channels are recorded at the value chosen in True rate 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 ...

Страница 75: ...ports up to two independent recordings To add a recording select Add Recording from the context menu of the Logger in the C 70 Project Tree Maximum two recordings are possible In the device software the 2nd recording is re served for scruteneering data This recording is invisible protected 13 2 2 Adding a recording group Recording channels can be grouped To add a new group select Add group in the ...

Страница 76: ...lock definition e Choose or create the condition to start recording f If selecting WinDarab V7 in b enter a password hint and a password optional g Setting for automatic fragmentation Do not change 13 2 4 Recording statistics The tab Statistics shows the channels allocation and their current data rate related to the transmission frequency of the C 70 and the whole transmission system The overview ...

Страница 77: ...carding received data because of wrong timestamps Check wiring of SYNC signal BLKOK All measurement blocks have been set up cor rectly Some measurement blocks have not been set up correctly STARTED A measurement has been set up A measurement is not set up Either no recording configuration has been found or logger software upgrade is not activated 13 2 6 Displaying online recording diagnosis statec...

Страница 78: ...an 254 indicate an error state statectrl_ok can be linked to an alarm on the display See chapter Alarm display element for details 13 3 Recording data on USB device 1 Plug an USB device to C 70 2 Prepare a recording configuration in RaceCon 3 Power on the system and connect with RaceCon to the vehicle 4 Download the configuration to the C 70 5 Record measurement data If an USB device is present th...

Страница 79: ...e The Read measure ment data dialog opens Click read data from logging device 11 Click on Settings tab and select the option Flash Card USB Stick 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 ...

Страница 80: ...t button and choose Open measurement file 15 Select the measurement files from the storage folder 16 Click on Open 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 ...

Страница 81: ...ted 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 13 3 2 Troubleshooting When no data on the USB device is recorded Configure the measurement label usb_mediastate on a RaceCon measurement view or on a C 70 display page The value of usb_mediastate reflects the operating condition of the USB bus Stat...

Страница 82: ...ort State Description 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 ...

Страница 83: ...d low cost high precision limited reliability RF microwave based high precision high reliability IR and RF based Systems consists of Transmitter trackside unit Receiver in vehicle unit Lap Trigger Receiver Lap Trigger Transmitter 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...

Страница 84: ...ed to the device and a detec tion point with a detection range has to be defined in RaceCon The GPS detection point is defined by the latitude and longitude The easiest way to get the latitude and longitude of a finishing line is due to a web mapping program such as google maps With google maps simply left klick on the spot where you want to set the detection point The information about the latitu...

Страница 85: ...ite the occurring vehicle speed near the detection point 14 1 3 Prevention of false triggers Race track topology and transmitter location frequently cause false triggers Software functionality prevents acceptance of false triggers Minimum vehicle speed for acceptance of trigger prevents false triggers while vehicle is stationary in the pits Time based re trigger protection prevents false triggers ...

Страница 86: ...ger Wizard window opens Choose the device which receives the trigger signal Choose the signal channel for the trigger signal Choose the source for the vehicle speed Enter the distance of the racetrack 3 Click Finish to complete the operation A pre configured lap trigger window opens ...

Страница 87: ...etrigger protection and Distance based forced trigger for details g Define settings for main trigger See chapter Lap timing for details h Define settings for counddown timer See chapter Countdown timer for details i Define settings for sub trigger See chapter Segment timing for details j Define settings for a GPS lap trigger See chapter GPS lap trigger for details Only applicable if the signal sou...

Страница 88: ...gger Not applicable with a GPS lap trigger Define settings for countdown timer Define settings for segment timing 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 ...

Страница 89: ..._lap dist_dls A diagnosis window opens in Main Area Button to reset lap distance to 0 Button to reset lap counter Button to reset outing counter Button to generate trigger signal Button to reset best lap time Button to reset best lap time and distance based segmentation Lap trigger diagnosis scheme 14 1 7 Lap trigger presettings When the reset buttons on the diagnosis page are activated these valu...

Страница 90: ...east one valid lap not by forced lap trigger was recorded Lap Leaving the pits to lap trigger Lap trigger to lap trigger Enforced lap trigger see Distance based forced trigger 92 Fragment Test bench operation Power cycle on track or box e g engine stalled File fragmentation size MB time sec Channels for display To display counters use the following channels Channel Function Laptrigger_outcnt_dls O...

Страница 91: ...ng laptime Laptrigger_laptime_best_dls Laptime of best lap Laptrigger_laptimeold_dls Laptime of last lap completed Laptrigger_laptimeseg_dls Segment time of last segment Laptrigger_lapctr_dls Number of completed laps 14 3 1 Time based retrigger protection Trigger is locked for 5 s after main trigger was received To deactivate time based retrigger protection set Retrigger lock time to 0 ms Define s...

Страница 92: ...fter a missed main trigger a forced trigger is inserted if the configured max distance i e 120 4800 m of the track distance i e 4000 m has been reached In this case the channel Laptrigger_distlap_dls starts at the delta between the max distance and the track distance i e 800 m To deactivate distance based forced triggers uncheck box Change signal for vehicle speed if desired Enter minimum speed fo...

Страница 93: ... finished lap and last lap Laptrigger_lapdiffb Time difference between finished lap and best lap Laptrigger_lapseg_dlast Difference of lap segment time compared to last lap Laptrigger_lapseg_dbest Difference of lap segment time compared to best lap 14 4 1 Sub trigger mode Using main trigger 20 ms pulse at Start Finish Line 3 sub triggers 40 ms pulse posi tioned at 1 000 m 2 000 m and 3 000 m To de...

Страница 94: ... segment To deactivate distance mode set Mode to None Define settings for segment timing Main Trigger 2000m 3000m 0 0s 0 1s 0 2s 0 2s 0 2s 0 1s 0 1s 0 1s 0 2s 1000m 0 3s 0 1s 0 1s 14 5 Countdown timer Some race classes require a minimum time spent in the pits An additional lap trigger Tx is configured as a segment trigger positioned at pit entry The trigger signal starts a timer countdown The curr...

Страница 95: ...ance Please enter those values into input field The values can also be copied and pasted to the input field from an excel sheet as a normal text In the inter mediate trigger you just need to set the expected time the driver takes to reach the seg ment trigger NOTICE Please note that the segment time and length is always measured from the start line or where the main lap trigger is set 15 2 Functio...

Страница 96: ...x 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 C 70 expects NMEA Protocol ASCII The following messages are decoded Message Function GGA GPS fix information GSA Overall satellite data GSV Detailed satellite data RMC Recommended minimum data for G...

Страница 97: ... free of charge Navilock offers a USB connec tion cable for the sensor In U Center click View Configuration View to start the configuration The follow ing 3 points have to be changed Transfer Rate Click on PRT Ports Change the baud rate to a fixed value this value needs to meet the setting of Race Con For a good signal quality we recommend 115 200 baud Click on Send to store the new setting in U C...

Страница 98: ...sport Satellite System Click on GNSS GNSS Config Set the ticks as shown in the following picture 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 ...

Страница 99: ... configuration step 1 click on CFG Configuration 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 gps_HDOP Horizontal Dilution Of Precision gps_VDOP Vert...

Страница 100: ...ese measurement labels are arrays where the indexed element points to the same satellite E g gps_info_satsigstrength 3 tells the receiving signal strength of satellite 3 Satellite 3 has the SAT ID given in gps_info_satid 3 Measurement label Function gps_info_satid Satellite PRN number gps_info_satinuse Used in position fix gps_info_satelevation Elevation in degrees 90 maximum gps_info_satazimuth A...

Страница 101: ...e GPS sensor complete its initial start up procedure This may take up to 20 min A correct reception is indicated when gps_fix is showing 3D Fix 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 ...

Страница 102: ... CAN I O PWM display configuration recording telemetry configuration Calibration data Characteristic curves and offsets created by online calibration at the vehicle 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 i...

Страница 103: ... click on C 70 and choose Synchronize then Update firmware A pop up menu opens 2 Select the destination of the firmware archive PST You can find the latest firmware for the device at the Bosch Motorsport homepage 3 Click OK when done The firmware update starts The C 70 displays the message Updating firmware Do not switch off the car s ignition or interrupt the power supply of the C 70 ...

Страница 104: ...ata Logger C 70 Manual Bosch Motorsport 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 ...

Страница 105: ... of a device This can be useful for copying specific data like sensor offset calibration to a spare unit for a specific car Creating a clone file 1 Open the Tools window and click on the Clone button in the Extras menu 2 Select Extract from the dropdown menu 3 Choose the hardware device which should be cloned 4 Define destination and filename 5 Click OK to start procedure ...

Страница 106: ... Manual Bosch Motorsport Applying a clone file to a device 1 Click Clone apply in Extras menu 2 Choose clone file 3 Click Ok Please remember that following properties are not stored into the clone Lifetime of device Serial number Upgrade features ...

Страница 107: ...7 112 19 Fuel Consumption Calculation 19 1 Setting up fuel consumption calculation and tank management 1 Select Measurement Sources in Toolbox 2 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 ...

Страница 108: ...ate remaining laps with fuel in tank if desired using fuel consumption of last lap completed using target lap consumption entered in the field Target lap consumption g Choose values to initiate a reset of fuel consumption if desired Manually using RaceCon On power down assuming that the tank is filled each time the ignition is turned off By signal source as input channel e g a switch connected to ...

Страница 109: ...abel Function Fuel_fuelcons_dls Running fuel consumption starting at 0 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 ...

Страница 110: ... F9 Start measurement CTRL F9 Start recording F10 or Alt Go to menu bar F11 Toggle display to fullscreen Race Mode F12 Enlarge main screen CTRL Tab Switch between opened windows Project Tree Plus at numeric pad or right cursor Expand selected node Minus at numeric pad or left cursor Close selected node Star at numeric pad Open all nodes DEL Delete seleted object Display page measurement page Curso...

Страница 111: ...Bosch Motorsport Data Logger C 70 Manual 111 112 ...

Страница 112: ...Bosch Engineering GmbH Motorsport Robert Bosch Allee 1 74232 Abstatt Germany www bosch motorsport com ...

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