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Tektronix VX4730 User Manual
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Tektronix VX4730 User Manual

12-channel d/a module
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Summary of Contents for Tektronix VX4730

  • Page 1 (217) 352-9330 | Click HERE Find the Tektronix VX4730 at our website:...
  • Page 2 User Manual VX4730 12-Channel D/A Module 070-9150-04 This document supports firmware version 1.00 and above. Warning The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so.
  • Page 3 Copyright Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A. Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
  • Page 4 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
  • Page 5 8444 AB Heerenveen The Netherlands declare under sole responsibility that the VX4730 and all options meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities:...
  • Page 6 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 7 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 8 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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  • Page 10: General Safety Summary

    Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 11 Symbols on the Product. The following symbols may appear on the product: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 12: Service Safety Summary

    Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. To avoid electric shock, do not touch exposed connections. VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 13 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 14 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 15 POWER FAILED MESSAGE ERROR CH A CH B CH C CH D CH E CH F CH G CH H CH I CH J CH K CH L Zero Adjust A Gain Adjust A Logical Addresses Gain Adjust B Zero Adjust B Zero Adjust C Gain Adjust C MSD LSD...
  • Page 16 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 17 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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  • Page 50 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 51 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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  • Page 91: Appendix H: Performance Verification

    The item number appearing after each piece of equipment refers to an entry in Table A–1, Required Test Equipment, on page A–30. Following the table you will be given instructions for interconnecting the VX4730 and for checking performance parameters. Equipment...

  • Page 92: Equipment Required

    The VX4730 has been calibrated within the last 12 months The VX4730 module covers are in place and the module is installed in an approved VXIbus mainframe according to the instructions in Section 2 of the Operating Manual...
  • Page 93 3 & 7. pins 4 & 8. Load Assembly #1 Load Assembly #2 Load Assembly #3 Figure A–2: 40 Test Load Assemblies A–31 VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 94: Test Record

    Appendix H: Performance Verification VX4730-Under-Test Configuration In order to perform this procedure, the VX4730-under-test must be installed in an approved VXIbus system. At a minimum, the system must contain the elements listed in Table A–2. Table A–2: Elements of a Minimum VX4730 Under-Test System...
  • Page 95 S3, pins 2 & 6 Channel J S4, pins 4 & 8 Channel K S4, pins 3 & 7 Channel L S4, pins 2 & 6 A–33 VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 96 The minimum expected voltage is the programmed value (+8.0000) minus the monotonic specification of 0.0015 V, the loss due to the maximum output impedance ( 0.122 30.0 mA) and the DB9 connector. A–34 VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 97: Performance Verification Tests

    Each comparison is performed over the entire voltage range from –16.3 V to + 16.3 V. In addition to BITE, the VX4730 incorporates a relay fault detection feature. If a relay fails to open or close as programmed with CLS or OPN commands, the ERROR light will turn on, an error message will be created in the message queue, and a Request True interrupt will be generated.
  • Page 98 2. Verify that the power-on self test passed and that there are no error messages pending: (0,0, NO ADDITIONAL ERRORS TO REPORT) A–36 VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 99 Appendix H: Performance Verification 3. Verify the VX4730 interrupt capability with the following steps: NOTE. Make sure your Slot 0 controller and the VX4730 are set to the same interrupt level (see Operating Manual for switch location). Also, if you are using National Instruments NI-488.2 software, make sure Auto Serial Polling is...
  • Page 100 S1, pins 4 and 8 respectively. 3. Set the VX4730 to its power-on default state and then to generate 16.3835 VDC on all twelve channels simultaneously: 4. Check that the Channel A output voltage is within the limits specified in the Test Record.
  • Page 101 Test Load #1 to the S2 front panel connector (Ch D) and reattach the DVM test leads. Set the VX4730 to generate 16.3835 V on Ch D and check the voltage against the Test Record. Then reset the output voltage to –16.3835 V and again check the voltage.
  • Page 102 40 W Load #3 on S2 40 W Load #3 on S3 40 W Load #3 on S4 This completes the VX4730 verification procedure. A–40 VX4730 12-Channel D/A Module Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 103 WARNING The following servicing instructions are for use only by qualified personnel. To avoid injury, do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so. Refer to all Safety Summaries before performing any service.

  • Page 104: Appendix I: Adjustment Procedure

    Proper adjustment of the VX4730 may be achieved when the following requirements are met: The VX4730 module covers are in place and the module is installed in an approved VXIbus mainframe according to the instructions in Section 2 of the...

  • Page 105: System Requirements

    Tektronix 73A–850 Providing adjustments access System Requirements In order to perform this procedure, the VX4730 must be installed in an approved VXIbus system. At a minimum, the system must contain the elements listed in Table A–8. Table A–8: Elements of a Minimum VX4730 Adjustment System...
  • Page 106 (Please refer to the Test Record in the Performance Verification Procedure for the output connector pin definitions). 2. Reset all VX4730 outputs to 0.000 VDC and close all output relays with the following commands: If the module has been ordered with Option 1M (MATE TMA), use the CIIL commands to reset all outputs to 0.000 VDC and close all output relays:...
  • Page 107 3. Adjust the zero offset adjustment for each channel in turn, for a DVM reading of 0.0000 0.0001 VDC. 4. Set the VX4730 for an output voltage of 16.382 on all channels with the following command: If the module has been ordered with Option 1M (MATE TMA), use the CIIL commands to set all outputs: 5.
  • Page 108 6. If the readings are being taken directly from the front panel connector and cannot be adjusted to within the tolerances specified, the module is defective. Contact Tektronix at 1–800–Tek–4VXI. This completes the VX4730 adjustment procedure. A–45 VX4730 12-Channel D/A Module...