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DEWESOFT DS-VGPS-HSC V21-1 Technical Reference Manual

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TECHNICAL REFERENCE MANUAL 
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Summary of Contents for DEWESOFT DS-VGPS-HSC V21-1

  • Page 1   DS-VGPS-HSC  TECHNICAL REFERENCE MANUAL  DS-VGPS-HSC V21-1          1 ...

  • Page 2: Table Of Contents

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    1. Table of contents    1. Table of contents 2  2. About this document 4  2.1. Legend 4  3. GPS based system for position, speed, and displacement measurement 5  3.1 Features 5  3.1.1 Speed sensor 5 ...
  • Page 3 8.2. General Safety Instructions 30  8.2.1. Environmental Considerations 30  8.2.2. Product End-of-Life Handling 30  8.2.3. System and Components Recycling 30  8.2.4. General safety and hazard warnings for all Dewesoft systems 31  9. Documentation version history 34        V21-1...

  • Page 4: About This Document

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    2. About this document    2.1. Legend    The following symbols and formats will be used throughout the document.      Important   It gives you important information about the subject.  Please read carefully!    Hint  ...

  • Page 5: Gps Based System For Position, Speed, And Displacement Measurement

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    3. GPS based system for position, speed, and  displacement measurement    3.1 Features  Synchronized data acquisition combined with real time speed measurement  ● Portable and rugged construction  ● Insensitivity to road surface (can be used on mud offroad, water, snow, ice,..)  ●...
  • Page 6 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Heading accuracy (dynamic with GNSS)   -  Slip angle accuracy   -  Range  Unlimited  Hot start time   < 10 s   Output data rate   20/100 Hz  GNSS  Supported navigation systems  GPS L1, L2* GLONASS L1, L2*  Supported SBAS systems ...

  • Page 7: Device Overview

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Vehicle dynamics  -  Lane change  ✓  Circle drive  ✓  Chassis development  -  Advanced driver assistance systems testing  ✓  Comfort testing  -  Pass by Noise  ✓  FuSi  ✓  Orientation of different object  -    3.3. Device overview  The DS-VGPS-HSC offers a unique combination of a high dynamic GPS based speed sensor and a GPS ...

  • Page 8: Functionality Of The Leds

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    The base of any GPS receiver is precise time measurement. In addition to the position information a  precise PPS (pulse per second) is generated by the GPS engine. This pulse is used to synchronize 80  MHz oscillators with software PLL (phase locked loop).

  • Page 9: Warm-Up Time

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    the VGPS can work with at least three satellites, it's precision increases the more satellites it finds. If one  satellite disappears over the horizon, or behind an object, there are other satellites still in view.   ...

  • Page 10: Scope Of Supply

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    4. Scope of supply      I mage 5: Connections    V21-1 10/34   ...

  • Page 11: Connection

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    5. Connection  5.1. Connector overview        I mage 6: Inputs 5.1.1. Aerial connector  Connect the GPS aerial to the SMA connector.      I mage 7: SMA connector  V21-1 11/34   ...

  • Page 12: Multi I/O Connector (Dsub-9 Female)

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    5.1.2. MULTI I/O connector (DSUB-9 female)        Pin  Description  1  +5V 50mA supply  2  CAN-LOW   3  Scan clock out   4  Distance out   5  Analog speed output  6  PPS (pulse per  second)     7  CAN-HIGH 8: DGND ...

  • Page 13: Vgps - Display Connector

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    5.1.4. VGPS – Display connector   To connect the external display to the DS-VGPS-HSC system.    Pin  Description  1  +5V   2  GND  3  TXD    4  RXD  Image 10: VGPS display connector  EXG.1B.304.HLN        5.1.5.

  • Page 14: Sync Connector

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    5.1.7. Sync connector    Pin  Name  Description  1  CLK  Clock  2  Trigg  Trigger  3  GPS-PPS  GPS - PPS  4  DGND  Digital Ground      Image 13: Sync connector: pin-out (4-pin LEMO female)  Interface connector: EEG.00.304.CLL  Mating connector: FGG.00.304.CLAD27Z ...

  • Page 15: Cable For Connecting Vgps To Vgps-Display (Optional)

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Optional: AC adapter   different AC cable (depends on the country)  ●     I mage 15: AC adapter  5.1.9. Cable for connecting VGPS to VGPS-Display (optional)  Type of cable: LIYCY 4x0.25 shielded, length: 2 m   ...

  • Page 16: Cable For Connecting Vgps To Can

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL        Image 18: FGJ.1B.304.CLLD52Z  Image 17: FGJ.1B.304.CLAD52Z    5.1.10. Cable for connecting VGPS to CAN  Type of cable: LIYCY 2x0.25 shielded, length: 2 m      I mage 19: VGPS to CAN cable     ...

  • Page 17: Output Cable Velocity And Distance

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    5.1.11. Output cable velocity and distance  Type of cable: RG-174, length: 2 m      I mage 20: DSUB9 to 2xBNC cable  5.2. Options  5.2.1. Brake trigger switch  (Available to purchase as an option)  The brake trigger is designed to be mounted on the brake pedal or the accelerator pedal and gives an  indication when the pedal is pressed.

  • Page 18: Digital Display

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    5.2.2. Digital display  The LED display is used to monitor various GPS parameters.  Display description:  Blinking middle dashes on all digits - the display is unable to communicate with the VGPS. Pressing and  releasing the push-button on the front of the VGPS-Display switches the display to different modes.  After pressing the push-button, the LED bedside mode changed to appropriate display mode. ...
  • Page 19 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Mode 03:    GPS UTC time reported by the  satellites goes up in increments of  0.05 seconds. The format is  hh.mm.ss. The base for the time is  Universal Time Coordinate, derived  from the atomic clocks on board  the satellite and hence is extremely ...

  • Page 20: Installation Of The Dewesoftx® Measurement Software

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    6. Installation of the DewesoftX® measurement  software  For optimal operation, we recommend that you install the latest version of DewesoftX® . If you already                          ...
  • Page 21 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL        I mage 23: DS-VGPS-HSC settings  GPS device  A list of the supported GPS systems. Select the ​ D ewesoft RS232 (Topcon/Javad/NVS)​ GPS device. If it  doesn't find the Model of receiver press the Refresh button or you have to switch COM port.   Firmware version  ...
  • Page 22 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Update rate (Hz)   Only option is a 100 Hz update rate.   Velocity analog output  The maximum value of the analog output coefficient can be set in this input field. The valid range is  between 50 and 500 km/h.  Distance output ...

  • Page 23: Timing Settings

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    6.2.1. Timing settings  Hardware setup  In addition to a high precision speed sensor the DS-VGPS-HSC is also a high precision timing source for  synchronized data acquisition. In this operation mode the DS-VGPS-HSC generates the clock for the  data acquisition system. ...
  • Page 24 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Green watch:​ The number of used satellites is equal or greater then the minimum number of satellites  Red watch and Sync Lost indicator:​ The number of used satellites is lower than the min number of  satellites. ...

  • Page 25: Channel Setup

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    6.3. Channel setup  When you are finished in the hardware settings, click on the ‘Ch. setup’ button and select ‘GPS’.      I mage 27: Channel setup  The screenshot below shows the channel setup screen of the DS-VGPS-HSC. In the column ​ O N/OFF​ you  can select the channels for storing during the measurement.

  • Page 26: Measurement

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    Current sec: This channel counts the seconds since midnight UTC  ● Mark input: Indicates an event at the mark input by changing the level from 0 to 1  ● Acceleration: Based on the GPS velocity the acceleration is calculated automatically  ●...

  • Page 27: Analysis

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL        I mage 30: Recording the measurement  6.5. Analysis  After measurement you can analyze the stored data. One click on the “Analysis“ button gives you the  possibility to choose a recorded data file and analyze it.   ...

  • Page 28: Warranty Information

      7.2. Support  Dewesoft has a team of people ready to assist you if you have any questions or any technical difficulties  regarding the system. For any support please contact your local distributor first or Dewesoft directly.   ...

  • Page 29: Copyright

    When used in text representing the company, product or  technology name, the ® sign is not used. The Dewesoft triangle logo is a registered trademark but the ®  sign is not used in the visual representation of the triangle logo. ...

  • Page 30: Safety Instructions

    Failure to comply with these precautions or with specific warnings elsewhere in  this manual violates safety standards of design, manufacture, and intended use of the product.  Dewesoft GmbH assumes no liability for the customer’s failure to comply with these requirements.    ...

  • Page 31: General Safety And Hazard Warnings For All Dewesoft Systems

    REMOVE POWER and do not use the product until the safe  operation can be verified by service-trained personnel. If necessary, return the product to  Dewesoft sales and service office for service and repair to ensure that safety features are  maintained. ...
  • Page 32 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    noises. the system does not work anymore. the system has been exposed to long storage in  adverse environments. the system has been exposed to heavy shipment strain.  Warranty void if damages caused by disregarding this manual. For consequential damages, NO  ●...
  • Page 33 DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL      The electromagnetic environments encompassed by this product family standard are industrial, both  indoor and outdoor, as described for industrial locations in IEC 61000-6-2 or defined in 3.7 of IEC 61326-1.    Equipment and systems intended for use in other electromagnetic environments, for example, in the  process industry or in environments with potentially explosive atmospheres, are excluded from the ...

  • Page 34: Documentation Version History

    DS-VGPS-HSC   TECHNICAL REFERENCE MANUAL    9. Documentation version history  Revision number: 45 Last modified: Tue 25 Feb 2014, 16:00  Version  Date  Notes  1.0.0  25-02-2014  ☑ initial revision  V20-1  24-09-2020  Template update  V20-2  12-10-2020  Updated renders  V21-1  23-02-2021  Minor style corrections.   ...

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