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ETS 4431T Operating Manual

Shielded bag test system turnkey esd energy & voltage test
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SHIELDED BAG TEST SYSTEM
Turnkey ESD Energy & Voltage Test
Model 4431T – Software Revision H
Operating Manual – Revision K
© 2020 - Electro-Tech Systems, Inc
Model 4431T Shielded Bag Test System - Operating Manual
1
D00003 Rev. K.

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Summary of Contents for ETS 4431T

  • Page 1 SHIELDED BAG TEST SYSTEM Turnkey ESD Energy & Voltage Test Model 4431T – Software Revision H Operating Manual – Revision K © 2020 - Electro-Tech Systems, Inc Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 2: Table Of Contents

    D000003 Revision G released 2016/12/08 with ETS4431T Test Manager software revision G.  D000003 Revision F released 2016/08/10 with ETS4431T Test Manager Software revision F.  Original ETS 4431 Operating manual released 2013/10. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 3: Important Safety Instructions

    Continuous use in this case may result in electrical shock, fire or permanent damage to the equipment. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 4 Opening or removing the covers may expose you to high voltages, charged capacitors, electric shock and other hazards. If service or repair is required, contact the factory. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 5: Introduction

    MIL PRF 81705E and ANSI/ESD S11.4 specify the ANSI/ESD S11.31 test. The ETS Model 4431-T Shielded Bag Test System meets the requirements of only the ANSI/ESD S11.31 test standards.

  • Page 6: Equipment Description

    2.0 EQUIPMENT DESCRIPTION The ETS Model 4431-T ESD Test System is supplied with a laptop computer and an oscilloscope as shown in Figure 3-1. Figure 3-1: Model 4431-T Shielded Bag Test System This is a turnkey system that performs the ANSI/ESD S11.31 shielding bag tests. The 4431 Discharge Unit provide the correct discharge current pulse for both tests.
  • Page 7 ETS MODEL 4431 Test Manager Revision H. 3.5 Included Accessories Included with the Model 4431-T are the interconnect cables and accessories shown in Figure 3-2: Figure 3-2: Model 4431-T cables and accessories Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 8 4. USB to serial converter with 9-pin sub-D from computer to communications cable (Model 4431-T only) NOTE: Do not substitute 5. 9-pin sub-D from Converter to 25-pin sub-D to Model 4431-T 6. Foot switch 7. IEC Line Cord (North American plug) Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 9: Energy Testing - Test Methods

    Figure 4-2a shows the discharge current waveform requirement at the specified 1000 Volts when measured with R2=0, a short to ground. Figure 4-2a: Discharge waveform through short per ANSI/ESDA-JEDEC-JS-001 Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 10 Figure 4-2b: Discharge waveform through 500Ω per ANSI/ESDA-JEDEC-JS-001 Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 11 This military standard defines the performance of Type 1 water-vapor proof and Type 3 static shielding bags. The acceptable energy limit when tested in accordance with S11.31 is <10nJ. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 12: Energy Testing - Set-Up

    ETS, the software has already been loaded. Verify that there is an ETS4431 Test Manager icon on the screen, and there is a C:\ETS\ folder on the hard drive. If not, see Appendix C in this manual for the setup procedure.

  • Page 13: Energy Testing - Manual Mode

    A test bag i s i n s e r t e d by sliding it over the capacitive sensor until it hits the stops, making certain that the sensor is inside the bag. Center the bag laterally as shown in Figure 6-2. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 14 Figure 6-3: Typical shielded bag waveform  The waveform data may be transferred from the oscilloscope onto a FLASH memory device or to a computer via USB, for processing by user software. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 15: Energy Testing - Automatic Modes

    (2.) Reports saved to .pdf files. (3.) Test data in .txt files. The system is installed with its own folder on the root (C-drive) directory. This folder, C:\ETS\, contains the 4431 system setup file 4431SETUP.txt, and will be the repository for test data. When you print or save a .pdf report file, the system will ask where to store the file.
  • Page 16 4431 Discharge Unit. Switch the 4431 to AUTO, Power ON, and HV ON. Proceed as follows: 7.1.1 From your windows desktop, double-click the ETS MODEL 4431 TEST MANAGER icon. You will see the Operator screen shown below. Instructions are always shown in the yellow highlighted field.
  • Page 17 Pull down the ETS4431 menu. You will see a “COM” entry and a “USB0::…” entry. Click on the COM entry. This may be “COM3”. In some systems this may be COM4, COM6, etc..  Pull down the ETS4431 menu again and click on “Refresh” Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 18 (NOTE: If the Discharge Unit is switched to a manual setting, the computer is not controlling the discharges and will automatically run in Monitored mode.) Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 19 Choose the testing range according to the energy reading expected. This sets up the oscilloscope to a reasonable starting range. The system may optimize this if needed to provide a better display. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 20 This plot should show a peak above 420 milliAmps, and an energy total of 50,000 nanoJoules, + 3,000 nJ. Figure 7-10. Preview Screen showing Cal Waveform Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 21 IF the system is in MONITORED mode, you will be asked to create each discharge. Watch for the “HV READY” indicator to turn green, then press the red “TEST” button on the 4431 Discharge Unit front panel. Figure 7-14 – Waiting for Discharge. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 22 These are easily readable text files. Files can be easily identified and maintained by windows file name. It is not recommended that any editing be done on these original files. They can be accessed at any time by the ETS 4431-T Test Manager or other programs such as wordpad or excel for reports or analysis.
  • Page 23  Click PRINT to produce a formatted report on the present system printer.  Click SAVE to store a .pdf copy of the report at C:\ETS\.  Click BACK to return to the Operator screen. The PRINT and SAVE options produce the following formatted report: Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev.
  • Page 24 To select a new test, type the 4-digit number of the test you want and click OK.  To use the same test reference number you have been using, just press OK.  To abandon the request, click BACK. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 25  Click PRINT to produce a report on the present system printer.  Click SAVE to store a .pdf copy of the report at C:\ETS\.  Click BACK to return to the Operator screen. Model 4431T Shielded Bag Test System - Operating Manual...

  • Page 26: Appendix A - Waveform Verification

    500 milliamps and have an energy of 50,000 +3,000 nanoJoules at a 1,000 Volt discharge. Adjust the VOLTS control on the 4431 Discharge Unit to bring the energy reading within range. Fig. AA-1. Calibration Waveform Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 27: Appendix B - Communications Via The Usb Ports

    This activates tabs which you will see along the top of the screen. Click on the ADMIN tab. You will see two “Path” fields. Each resource field has a pull-down menu. Follow this update procedure: Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.
  • Page 28 This should resolve the difficulty – we have not known it to fail. If not, please stop the program, restart your computer, and do the above procedure once again. Model 4431T Shielded Bag Test System - Operating Manual D00003 Rev. K.

  • Page 29: Appendix C - Computer Setup

    Verify that the computer is running Windows 10 and revisions are current. 1 Software is pre-installed on the laptop PC supplied with the 4431T system. If you need to reinstall the software, look for the folder titled D00138H-4431 ship image and open this folder. If you receive the software in the form of a zip file titled ETS4431H-20170315ship.zip, extract the zip file to a folder on...

  • Page 30: Appendix D - Ets4431 File Formats

    Record 4: Title, Test ref.no., ReportDate, Cal Waveform Energy, Cal WF Peak mA, Verf WF Energy, Verf WF Peak mA. Example: ETS 4431 Energy Test, 2158, 5/25, Cal waveform energy (nJ), 49,543, Peak current, (mA) 500, Verf Waveform Energy (nJ), 12.345, Verf Peak Current (mA), 29.876.

  • Page 31: Warranty

    ETS must be notified before any equipment is returned for repair. ETS will issue an RMA (Return Material Authorization) number for return of equipment.

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