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VB20SL User Guide

Page 1 of 30

VB20SL 20Hz GPS Data Logger

With Slip Angle

User Guide

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Summary of Contents for VB20SL

Page 1: ...VB20SL User Guide Page 1 of 30 VB20SL 20Hz GPS Data Logger With Slip Angle User Guide...

Page 2: ...OLL ANGLE OFFSET 14 SETTING SLIP ANGLE OFFSET REMOTELY VIA CAN MESSAGES 14 LEVEL 15 MEMORY CARDS AND LOGGING 15 SMOOTHING AND FILTERING 16 DIGITAL AND ANALOGUE OUTPUTS 17 DIGITAL INPUTS 17 CAN RS232 P...

Page 3: ...wing the user to set up and configure the unit without using a PC The VB20SL is compatible with all of the existing peripherals including the Multifunction display ADC03 TC8 FIM03 Yaw Rate Sensor and...

Page 4: ...1 RLVBACS020 Cigar Lighter adaptor 1 RLVBCAB10 USB Lead 1 RLCAB042 2GB SD Card 1 RLACS083 GPS Ground Plane Antenna 2 RLVBACS103 VBOX Serial PC Cable 1 RLCAB001 CD ROM containing VBOX software 1 RLVBA...

Page 5: ...ery pack or Cigar lighter 12v adapter lead GPS Antenna Blank SD card USB RS232 Cable VBOX Software CD Laptop PC not supplied 1 Install Software 2 Place VBOX in vehicle 3 Fit antenna connector to VBOX...

Page 6: ...of satellites currently in lock For best results ensure the VBOX has acquired a lock on 5 or more satellites essential for quality signal reception When using the VBOX for the first time or when using...

Page 7: ...ce between the antennas as viewed from above Antenna A is the primary antenna from which all calculations are based If overall slip is to be measured at the centre of the vehicle the primary antenna s...

Page 8: ...the supplied antenna unless instructed otherwise by Racelogic GPS Antenna The GPS Antennas supplied with the VB20SL are 3 5v active antennas For the best possible signal quality it is important to mai...

Page 9: ...he Display screen will display data when operating it also displays all the menus required to configure the VB20SL via the front panel controls On start up the display screen shows the unit s firmware...

Page 10: ...to confirm Press to enter the antenna configurations menu This menu contains separate sub menus for pitch antenna and roll antenna pairs Press to edit the smoothing levels of the Slip Pitch Roll Lat...

Page 11: ...menu a Pitch offset can be calculated and applied or cleared Press to go back to the Main menu Smoothing Menu Lat Acc Long Acc Slip Pitch Roll BACK Press and then use the and buttons to change the am...

Page 12: ...put Then press to confirm 1 50Khz 0 1Khz steps Press and then use the and buttons to set a test value that the Digital output will simulate Then press to quit Press to exit the setup menu and cause th...

Page 13: ...the offset With the antennas placed suitably and the antenna separation set correctly in the unit enter the Configuration Screen and select Calc Offset The unit will give instructions on its display s...

Page 14: ...ng the Clear Offset option will also clear the current offset value Setting Slip Angle Offset Remotely via CAN Messages It is possible to request that the VB20SL calculates a Slip Angle Offset by send...

Page 15: ...is important not to remove the SD Card while the VB20SL is logging If the card is removed while the VBOX is writing data to it there is a risk that the data file may be corrupted resulting in loss of...

Page 16: ...5 0 in 0 1 steps This value corresponds the size in time S of a moving window smoothing routine e g if 0 3 is selected then a smoothing window of 0 3 seconds 6 samples 20Hz will be applied to the dat...

Page 17: ...equency pulse output corresponding to velocity The pulse per meter range is adjustable in software or via the front panel controls The analogue outputs on connectors OUT1 and OUT2 output 0 5volt DC si...

Page 18: ...able to record precisely an event time for use in brake distance calculation This period of time is called the trigger event time and is logged as the value in milliseconds between the trigger event a...

Page 19: ...socket labelled Serial This CAN port has two functions known as Internal and External mode Internal Mode This mode should be selected when Racelogic input modules are connected to the VBOX In this mod...

Page 20: ...ot this time and click Next see image right A new window will appear at this window click Next see image below A new Hardware Installation window will appear Click the button labelled Continue Anyway...

Page 21: ...created time and date is derived from UTC time and date so will not reflect your local time unless you logged data on the Greenwich Meridian Satellite Decimal representation of the number of satellite...

Page 22: ...OXTools Software The VBOXTools software is used for configuration of the VB20SL and also for analysis of the VBO data files For further information on the VBOXTools software refer to the VBOXTools Sof...

Page 23: ...r computer with the USB cable for the first time then follow the instructions in the Section Using the USB cable earlier in this manual before following the instructions below How to upgrade the firmw...

Page 24: ...Input Voltage range 6v 30v DC Accuracy 0 1 Current Typically 560mA Acceleration Environmental and physical Accuracy 0 5 Weight Approx500 grammes Maximum 20 G Size 119mm x 128mm x 30mm Resolution 0 01...

Page 25: ...o 5Volts DC Frequency range DC to 44 4Khz Default setting Velocity 0 0125Volts per Km h 0 to 400Km h Default setting 25Hz per Km h 0 to 400Km h Accuracy 0 1 Km h 90 pulses per metre Update rate 20Hz A...

Page 26: ...ower 2 I Ground Chassis I Ground Connector 2 3 OUT 1 OUT 2 One Analogue and One Digital Output Each Pin I O Function 1 O Analogue Out 1 2 2 O Digital Out 1 2 3 I Ground Chassis I Ground Connector 4 DI...

Page 27: ...CAN Low 5 I O Power Chassis I Ground Connector 6 SERIAL Setup Upgrade Second CAN Bus Connector Pin I O Function 1 O RS232 Tx Serial Data transmit 2 I RS232 Rx Serial Data receive 3 I O CAN High Also d...

Page 28: ...n Latitude 100 000 515924579 51 Degrees 59 24579 Minutes North Latitude highest bit indicates north south hemisphere 0 north 1 south Bit 7 in Status is also set 4 Position Longitude 100 000 5882246 0...

Page 29: ...ons Fuse Reset Button The VB20SL contains a fuse to protect it from excessive currents If the unit is accidentally subjected to large currents and the fuse has become tripped it can be reset by pressi...

Page 30: ...format table RK 3 18 12 06 Corrections to power supply voltage requirements JH 4 16 02 07 Addition of YAW rate RMS noise data KB 5 05 06 07 Inclusion of Declaration of Conformity Statement CAS 6 27 06...

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