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AMO STU-20 Manual

Signal test unit
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Manual
Signal Test Unit
STU-20
Software Rev. 2.0

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Summary of Contents for AMO STU-20

  • Page 1 Manual Signal Test Unit STU-20 Software Rev. 2.0...
  • Page 2 Signal Test Unit STU-20...

  • Page 3: Table Of Contents

    Signal Test Unit STU-20 Table of contents Contents of delivery Installation 2.1. System Requirements 2.2. Software installation 2.3. Hardware installation Connectors and displays 3.1. Front panel 3.2. Rear panel Functional description 4.1. General 4.2. Start the program 4.3. Select the AMOSIN®-Type 4.4.

  • Page 4: Contents Of Delivery

    Operating system: Windows2000 or higher USB-Port: USB 2.0 Display resolution: 1024 * 768 or higher 2.2. Software installation It is strongly recommended to exit all programs before running the installer. Start the file setup.exe located on the CD-ROM delivered together with the STU-20.
  • Page 5 Select the installation directory for the STU-20 software components. As a standard there is a different path for the National Instruments software. You can select the same path as for the STU-20 software components if you like. After that please accept the National Instruments Licence Agreement.

  • Page 6: Hardware Installation

    Disable the connection to “Windows Update” for this hardware installation and choose the automatic installation for the software in the next window. To finish the installation click on the button “Finish”. Now the STU-20 is installed completely, you can start the program using “Start- >Programs->STU-20”.

  • Page 7: Connectors And Displays

    Signal Test Unit STU-20 Connectors and displays 3.1. Front panel Connector for the measurement system Pin assignement see Chapter “Pin Assignements -> 12 pin Connei Connector” Power-On LED Led is on, when power supply for the measurement system is switched on.

  • Page 8: Functional Description

    Signal Test Unit STU-20 Functional description 4.1. General The STU-20 offers the following functions: Selection of the AMOSIN-Type which should be tested. Indicator for the supply voltage and the current consumption, as well as a position display for systems with TTL output signal.

  • Page 9: Start The Program

    The program is started over the Windows Start Menu “Start->Programs- >STU-20”. As a first step the initialization of the hardware takes place. If the STU-20 is not connected with the computer by the USB cable, the pro- gram stops with an error message “Hardware Init Failed”.

  • Page 10: Select The Amosin®-Type

    Signal Test Unit STU-20 4.3. Select the AMOSIN®-Type By clicking on the button the window for selecting the AMOSIN®-type appears. Procedure for selection: Selection of „Typ“: WMK ... Angle measuring system LMK ... Length measuring system Selection of „Signal“: 1Vss ... analog output signal TTL ...
  • Page 11 Signal Test Unit STU-20 After selection of the AMOSIN® -type the data of the measurement system appear in the upper third of the program window. Type: selected AMOSIN®measuring system Output: output signal type Resolution: resolution of the output signal Scale Pitch:...

  • Page 12: Counter / Meter

    Indicates the supply voltage measured on the Sense-Lines of the measurement system. The supply voltage can be adjusted to 5.0 Volt with the potentiometer located on the front panel of the STU-20. On connector types without Sense-lines (9pol. Sub-D and 12pol.

  • Page 13: Airgap Measurement

    Signal Test Unit STU-20 4.5. Airgap measurement By clicking the button the window for the examination of the correct air- gap appears. 4.5.1 General With this Tool the correct value of the air gap can be examined. The adherence to other assembly tolerances such as axial disalignment or parallelism betwenn...
  • Page 14 Afterwards the axis must moved or turned continuously into a direction. After a movement of approx. 60mm the determined airgap is indicated graphically on the monitor and by the indicator LED at the front panel of the STU-20. The different colored areas can be interpreted as follows: ■...

  • Page 15: Oscilloscope Function

    Signal Test Unit STU-20 4.6. Oscilloscope function By clicking on the button the oscilloscope winow appears. The oscilloscope can be used for the examination of the output signals of the measurement system. Functionality: ■ Timebase and Amplitude adjustable in steps.

  • Page 16: Signal Accuracy Measurement

    Signal Test Unit STU-20 4.7. Signal accuracy measurement By clicking on the button the signal accuracy winow appears. 4.7.1 General With this tool the signal accuracy can be examined. That means this measure- ment takes into account all mechanical deviations from ideal mounting.
  • Page 17 Signal Test Unit STU-20 By activating the button „Reference“ the measurment can be triggered on the reference signal of the encoder. 4.7.3 Interpretation of the measuring results The measured signal accuracy will be displayed at the bar graph „System accu- racy“.
  • Page 18 AMO GmbH A-4963 St. Peter am Hart, Nöfing 4 - Austria Phone: +43 7722 65856 - 0 Fax: +43 7722 65856 11 email: office@amo.at www.amo-gmbh.com SN: M_STU-20_V2.0_20090504...

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