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Sweep Frequency Response

Analyzer (SFRA)

User Guide

Doble Engineering Company

85 Walnut Street

Watertown, Massachusetts 02472-4037

(USA)

www.doble.com

72A-2570-01 Rev. K 07/2011

Содержание SFRA

Страница 1: ...Sweep Frequency Response Analyzer SFRA User Guide Doble Engineering Company 85 Walnut Street Watertown Massachusetts 02472 4037 USA www doble com 72A 2570 01 Rev K 07 2011...

Страница 2: ...ITH RESPECT TO THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN THE EVENT THE PRODUCT IS NOT FREE FROM DEFECTS AS WARRANTED HE...

Страница 3: ...ser may terminate this agreement By returning the software product and all copies thereof in any form and affirming compliance with this requirement in writing Doble will refund the purchase price TO...

Страница 4: ...al agreement for Doble test equipment and services This Manual is protected by copyright all rights reserved No part of this book shall be reproduced stored in a retrieval system or transmitted by any...

Страница 5: ...Rules 2 1 Grounding Requirements 2 2 Personnel Safety Practices 2 3 3 Setting Up and Running a Test 3 1 Measurement Types 3 1 Open Circuit 3 1 Short Circuit 3 1 Step 1 Set Up and Run a Shorted lead T...

Страница 6: ...Showing a Shorted Turn 3 29 Confirming the Ethernet Connection 3 30 4 Managing Tests and Templates 4 1 Introduction 4 1 Opening the Template Editor 4 1 Creating a New Test Template 4 2 Editing or Dele...

Страница 7: ...Files 5 12 Transferring Data between Machines or PCs 5 12 Settings Files 5 12 Merging Settings Files 5 14 Reports 5 16 A Software Overview A 1 Installing SFRA 5 2 A 1 Manually Install the USB Driver A...

Страница 8: ...Notes About the Test Templates B 1 Two Winding Transformers B 2 Autotransformers B 3 Three Winding Transformers B 4 C Theory of Operation C 1 Transformer Damage and SFRA Testing C 1 How SFRA Identifi...

Страница 9: ...Start Test Button 3 8 Figure 3 13 Test Details Window 3 9 Figure 3 14 Cable Connections for Shorted lead Test 3 9 Figure 3 15 Shorted lead Test in Progress 3 10 Figure 3 16 Correct Shorted lead Respo...

Страница 10: ...re 3 48 Command Window Displaying IP Address 3 31 Figure 4 1 Template Editor 4 2 Figure 4 2 Test Setting Editor 4 3 Figure 5 1 Test Equipment Editor 5 2 Figure 5 2 Entering a New Location 5 2 Figure 5...

Страница 11: ...re A 9 Magnitude Tab A 12 Figure A 10 Status Bar A 12 Figure A 11 Phase Tab A 13 Figure A 12 Status Bar A 13 Figure A 13 Impedance Tab A 14 Figure A 14 Status Bar A 14 Figure A 15 Sub Band Tab A 15 Fi...

Страница 12: ...Sweep Frequency Response Analyzer SFRA User Guide xii 72A 2570 01 Rev K 07 2011...

Страница 13: ...totransformer without Tertiary or with Buried Tertiary 9 Tests B 3 Table B 3 Autotransformer With Tertiary 18 Tests B 3 Table B 4 Three Winding Transformer Table 18 Tests Part 1 B 4 Table B 5 Three Wi...

Страница 14: ...Sweep Frequency Response Analyzer SFRA User Guide xiv 72A 2570 01 Rev K 07 2011...

Страница 15: ...miliar with professional standards and safety practices Document Conventions Typefaces This document uses special typefaces to indicate particular kinds of information Bold Arial type identifies softw...

Страница 16: ...Guide xvi 72A 2570 01 Rev K 07 2011 Cautions Warnings CAUTION Cautions provide information that prevents damage to hardware or data WARNING Warnings tell you how to prevent injury or death to anyone...

Страница 17: ...identify mechanical changes inside a transformer Changes in the internal configuration produce different frequency responses that indicate a range of failure modes Performed in the field without tear...

Страница 18: ...Name Description Image M5200 Requires an external laptop Testing functions are identical to those of the M5300 and M5400 M5300 Has a built in laptop keyboard and display Testing functions are identic...

Страница 19: ...so lists an optional test lead Table 1 2 Accessories for the SFRA Instruments Item Description Part No Test Leads Standard lead Length 18 m 60 ft Ground 3 6 m 12 ft Application 362 kV 05B 0659 04 Opti...

Страница 20: ...400 please go to PC Requirements on page E 4 Communication Cables USB No picture available Has a square and an oblong connector 181 0585 Ethernet crossover No picture available Has two Ethernet connec...

Страница 21: ...e testing and maintaining high voltage apparatus and its associated lines cables conductors and accessories General Rules 1 The transformer under test should be completely de energized and isolated fr...

Страница 22: ...aratus under test its tank or housing and the SFRA instrument must be solidly and commonly grounded or earthed This also applies to any mobile equipment being tested Figure 2 1 shows a sample safety g...

Страница 23: ...view with crew members the tests to be performed apparatus voltage test levels involved potential hazards and individual assignments Test personnel need to remain aware of the work activity taking pla...

Страница 24: ...Sweep Frequency Response Analyzer SFRA User Guide 2 4 72A 2570 01 Rev K 07 2011...

Страница 25: ...nd of a winding to another with all other winding terminals floating For a delta winding connections would be H1 to H3 for example For a star wye winding measurements are taken from HV terminals to ne...

Страница 26: ...the instrument This figure shows an M5300 but the connections are correct for all three instruments Figure 3 1 Cable and Lead Connections to the SFRA Instrument If you are using an M5200 or M5400 Go...

Страница 27: ...come on c The Test in Progress and System OK indicator lights go out d The System OK indicator light comes on and remains lighted 4 Attach the Ethernet or USB cable to the instrument and the PC 5 Clic...

Страница 28: ...ighlight the instrument desired and click Select Instrument The SFRA window displays the Data Manager tab Figure 3 4 Figure 3 4 Data Manager Tab on Main Window Create a Transformer Listing and Associa...

Страница 29: ...r and associate a test template with it 1 In the main window of the SFRA software open the Edit menu and select Edit Apparatus Figure 3 5 Figure 3 5 Edit Apparatus Option on Edit Menu The Test Equipme...

Страница 30: ...Window 3 Click New Figure 3 7 The New Serial Number listing is highlighted Figure 3 8 Figure 3 8 New Serial Number Listing 4 Enter Leads in the Manufacturer field 5 Enter 0 in the Serial Number field...

Страница 31: ...Editor Window 7 Click Select 2 in Figure 3 9 The Template Editor window appears Figure 3 10 Figure 3 10 Template Editor Window 8 Select any test template in the Template list and click OK 9 Click OK a...

Страница 32: ...Test To run the shorted lead test 1 In the main SFRA window click Select Apparatus The Apparatus Selection window appears Figure 3 11 Figure 3 11 Apparatus Selection Window 2 Select Leads in the Manuf...

Страница 33: ...amps to each other Figure 3 14 5 Short the green reference grounds by connecting the clamps to each other Figure 3 14 Figure 3 14 Cable Connections for Shorted lead Test CAUTION Do not connect the mea...

Страница 34: ...ure 3 15 and displays the trace as it develops The Legend pane appears 2 and a progress bar expands as the test progresses 3 Figure 3 15 Shorted lead Test in Progress When the test finishes the view a...

Страница 35: ...2570 01 Rev K 07 2011 3 11 Figure 3 16 Correct Shorted lead Response If the result resembles Figure 3 17 examine the leads for an open circuit The open circuit response is clearly affected by noise Fi...

Страница 36: ...ted disconnected or moved apply temporary static discharge grounds to The bushings to which the SFRA test clamps will be applied and Any bushings to which jumpers will be applied To ground a transform...

Страница 37: ...e Isophase or GIS link Figure 3 20 Figure 3 20 Removed Isophase or GIS Link 4 Apply temporary static discharge grounds Figure 3 21 Figure 3 21 Added Temporary Static Discharge Grounds 5 Attach the SFR...

Страница 38: ...ed the last time the transformer was tested Any change in setup affects the consistency of test results Do not change the tap position DETC position or core ground connections from one test to the nex...

Страница 39: ...2 Set up the transformer in SFRA To do this go to Entering a Transformer into the SFRA Database on page 5 5 3 Ground the transformer Do not omit this procedure If you have not already done so go to S...

Страница 40: ...3 16 72A 2570 01 Rev K 07 2011 Figure 3 25 Test Equipment Editor 2 Click the Edit Transformers button on the right The Transformer Editor window opens displaying the Transformer tab Figure 3 26 Figure...

Страница 41: ...17 3 Click the Test Templates tab Figure 3 27 Figure 3 27 Test Templates Tab of Transformer Editor Window 4 Click Select The Template Editor window appears Figure 3 28 Figure 3 28 Template Editor Win...

Страница 42: ...ment Editor SFRA Test Procedure To run an SFRA test on a transformer 1 In the main SFRA window click Select Apparatus The Apparatus Selection window appears Figure 3 29 Figure 3 29 Apparatus Selection...

Страница 43: ...Rev K 07 2011 3 19 3 In the Apparatus and Test pane click Select Test Figure 3 30 Figure 3 30 Location of Select Test Button The Test Selection window displays the tests contained in the template Fig...

Страница 44: ...rt Test Figure 3 32 Figure 3 32 Location of Start Test Button The Test Details window appears Figure 3 33 Figure 3 33 Test Details Window 5 Following the directions under the Red Lead Location and Bla...

Страница 45: ...page 3 22 7 To perform a nonstandard test select the Advanced Setup check box in the Test Details window Figure 3 33 on page 3 20 A warning message appears Figure 3 34 Figure 3 34 Nonstandard Test Wa...

Страница 46: ...ds acceptable limits M5000 instruments are designed to operate in a 50 C 122 F environment for extended periods A high temperature may reduce component life and instrument reliability If error 950 occ...

Страница 47: ...start the test Continuing to test with ground resistance above 1 5 ohms may compromise results Causes of high ground loop resistance include poor connections to bushing studs because of dirt grease or...

Страница 48: ...n Progress When the test finishes the view auto zooms so that the trace takes up most of the graph Troubleshooting Test Results SFRA is an easy test to perform but simple problems can occur during a t...

Страница 49: ...former Figure 3 39 Typical Open Circuit Trace Sample Test Results This section provides typical results from a number of transformer windings and designs These are examples of how designs and phase re...

Страница 50: ...istic response at low frequencies The center phase has a slightly higher impedance more negative response at lower frequencies The center phase is different from the outer phases at the first resonanc...

Страница 51: ...ve dB at low frequencies The center phase has one resonance and the outer phases two The outer phases are similar at low frequencies The three phases come back together as frequencies approach 10 kHz...

Страница 52: ...07 2011 Figure 3 43 Short Circuit Test Trace Even when responses are shown in magnification Figure 3 44 they are under the average divergence of 0 2 dB among phases This is a useful diagnostic where...

Страница 53: ...e the same basic shape but one is offset compared to the other They come back into line as they approach 10 kHz The higher frequency results are almost identical This is strong evidence that there has...

Страница 54: ...horted turn on one winding Figure 3 46 Shorted Turn on One Winding Confirming the Ethernet Connection To confirm that the PC is connected to the instrument using the Ethernet connection 1 Click the St...

Страница 55: ...8 Command Window Displaying IP Address 5 Look at DNS suffix item 2 in Figure 3 48 enet m5200 This suffix confirms that the instrument is connected to the PC If SFRA still cannot find the M5000 instrum...

Страница 56: ...Sweep Frequency Response Analyzer SFRA User Guide 3 32 72A 2570 01 Rev K 07 2011...

Страница 57: ...or import other templates using a simple procedure to merge template files see Merging Settings Files on page 5 14 The Template Editor enables you to create edit review and delete test templates Test...

Страница 58: ...e To create a new test template 1 In the Template Editor window click New A New Template appears in the Template List 2 Enter a name in the Name field required and a description if desired 3 Click Man...

Страница 59: ...ick a row or heading of the Test Settings table and click Manage The Test Setting Editor appears 3 To edit a template edit the contents of the fields on the right 4 To delete a template select it from...

Страница 60: ...ether these values provide the name of the test in the Test Setting List Creating a New Test Setting To create a new test setting 1 In the Test Setting Editor click New New Red New Black appears in th...

Страница 61: ...4 Managing Transformer Information on page 5 5 Managing Tap Changer Data on page 5 7 Managing Results Data on page 5 8 Managing Location Information The location is the place such as a substation wher...

Страница 62: ...d information Figure 5 2 The words New Location appear in the Location field and the Location List Select and delete these words in the Location field and type in the new location Figure 5 2 Entering...

Страница 63: ...r on your computer c Select the file d Click Open The Import From Location dialog box appears e Click OK 5 To delete a location select the location and click Delete Location 6 Save all changes by clic...

Страница 64: ...tion The organization is the owner of the transformer to be tested To add organization information in this window 1 In the main window of the SFRA software open the Edit menu and select Edit Apparatus...

Страница 65: ...main window of the SFRA software open the Edit menu and select Edit Apparatus The Test Equipment Editor window opens Figure 5 1 on page 5 2 2 Click the Edit Transformers button on the right The Trans...

Страница 66: ...ired data on the Transformer tab or edit existing data 5 Click OK Editing or Deleting Transformer Data To edit or delete data about a transformer 1 Select the transformer from the Transformer List 2 T...

Страница 67: ...new filename in the File Name field 4 Click Save To import a transformer file 1 Click Import From Transformers File The Open dialog box appears 2 If necessary navigate to the appropriate folder on you...

Страница 68: ...section explains how to store export and import data transfer data files between machines work with settings files and configure and generate reports Default Data Locations The Sweep Frequency Respon...

Страница 69: ...er Settings dialog box Figure 5 8 appears 2 Click the ellipsis button at the right of the path you want to change The Browse For Folder dialog box appears Figure 5 9 Figure 5 9 Browse for Folder Dialo...

Страница 70: ...w data source or add SFRA traces to the default folder while the software is open To rearrange the order of the columns in the Data Grid click on a column head and drag it to the desired location 7 Se...

Страница 71: ...sults File If a Location or Transformer is imported a Location Data Copied or Transformer Data Copied dialog box displays the name s of the imported Location or Transformer If a Location or Transforme...

Страница 72: ...less obvious Check imported data for accuracy and details with no odd characters in any field such as etc Transferring Data between Machines or PCs To transfer data between machines or PCs copy the de...

Страница 73: ...he beginning of the container of all transformers in the file It must have a matching end tag line 107 Line XML Code 1 xml version 1 0 encoding utf 8 2 transformerNameplates 3 transformerNameplate ver...

Страница 74: ...files Figure 5 12 shows a simplified transformer settings file from User A as viewed in Notepad Figure 5 12 Transformer Settings File User A Use caution when merging because an incorrect merge could c...

Страница 75: ...ts into a new transformer settings file It makes use of the fact that several versions of Notepad can be run simultaneously To merge settings files 1 Back up all TransformerList xml files 2 Start an i...

Страница 76: ...t xml 12 Replace the existing TransformerList xml file either by saving the new file to in the default location or by dragging and dropping or copying using Windows Explorer Reports The Reports featur...

Страница 77: ...y of the following Click Save this Design This saves the selections you have made in the Report Designer window and applies them to any report you create in the future These settings can be edited at...

Страница 78: ...Sweep Frequency Response Analyzer SFRA User Guide 5 18 72A 2570 01 Rev K 07 2011...

Страница 79: ...n SFRA on page A 11 Installing SFRA 5 2 These instructions explain how to install SFRA 5 2 under Windows 7 and Windows XP You must have administrator privileges to install under either operating syste...

Страница 80: ...Wizard 3 Click Next The Select Installation Folder window appears Figure A 2 Figure A 2 Select Installation Folder Window 4 Make the following selections Accept the default folder or browse to a folde...

Страница 81: ...3 Confirm Installation Window 6 Review your installation choices and go back to change them or click Next to confirm them A progress bar appears Figure A 4 Figure A 4 Progress Bar in Installation Win...

Страница 82: ...ate The Select Default Template window appears Figure A 6 Figure A 6 Select Default Template Window 10 Select the appropriate template and click Open If you have installed SFRA 5 2 over an earlier ver...

Страница 83: ...V7 or 8 ftp ftp doble com dobleguest SiLab Download the driver to any location on your hard drive Remove Previously Installed USB Drivers To avoid conflicts remove all previously installed Silicon Lab...

Страница 84: ...bes the Edit menu options Table A 1 File Menu Options Command Description Print Opens the standard Windows Print dialog box Shortcut key Ctrl P Print Preview Previews the print format for the plot sho...

Страница 85: ...Menu Options Command Description Cursor 1 Displays a blue crosshair cursor on the Magnitude Phase or Impedance graph You can also click the blue field in the status bar to activate the cursor Coordin...

Страница 86: ...e area you want to zoom on Unzoom Resets the graph to the default view New Range Opens the Plot Range dialog box enabling you to set the low and high axis limits This is useful when producing zoomed p...

Страница 87: ...aves the trace there but merely shows or hides it on the tab Clearing the trace here removes it from the Legend pane Table A 4 Graph Menu Options Continued Command Description Table A 5 Help Menu Opti...

Страница 88: ...onnected to the instrument Legend Pane The Legend pane enables you to show or hide graphs on the Magnitude Phase and Impedance tabs and to set their properties Check or uncheck the box at the left of...

Страница 89: ...igure A 8 Data Manager Tab To select a row in this window click in the grey column to the left of the row of interest Use the standard Windows commands for selecting multiple contiguous rows or non co...

Страница 90: ...ected graph s Figure A 9 Magnitude Tab Figure A 10 shows the status bar at the bottom of the main screen The coordinates reflect the last change you made to the cursor position on any of the three tab...

Страница 91: ...hether a measurement is more inductive or more capacitive Figure A 11 Phase Tab Figure A 12 shows the status bar at the bottom of the main screen The coordinates reflect the last change you made to th...

Страница 92: ...tion Use the option button at the lower left to select the desired display type Figure A 13 Impedance Tab Figure A 14 shows the status bar at the bottom of the main screen The coordinates reflect the...

Страница 93: ...Tab The Sub Band tab Figure A 15 is included for historical continuity Early work on SFRA required results displayed on graphs of 2 kHz 20 kHz 200 kHz and 2 MHz The last three of these are included h...

Страница 94: ...ress of a measurement it displays both the reference waveform generated by the test set and the measured waveform of the object under test This tab displays a waveform only when a test is in progress...

Страница 95: ...0 01 Rev K 07 2011 A 17 Analysis Tab The Analysis tab Figure A 17 enables you to compare two traces The upper pane displays the two traces you select the lower pane displays the difference between the...

Страница 96: ...yzer SFRA User Guide A 18 72A 2570 01 Rev K 07 2011 Tabulation Tab The Tabulation tab Figure A 18 displays graph data in tabular form Check a box in the Legend pane to display the values for that grap...

Страница 97: ...2570 01 Rev K 07 2011 A 19 Apparatus Tab The Apparatus tab Figure A 19 displays test setup apparatus location and transformer nameplate information related to the trace selected in the Legend pane Fi...

Страница 98: ...Sweep Frequency Response Analyzer SFRA User Guide A 20 72A 2570 01 Rev K 07 2011...

Страница 99: ...n the extreme raise position However if the transformer is being tested for post event reasons such as fault this should be done in the as found LTC position Note the tap positions on the test report...

Страница 100: ...ers Indicates short circuit tests where the terminals are shorted together with three sets of jumpers to provide symmetry X1 X2 X2 X3 X3 X1 OR Y1 Y2 Y2 Y3 Y3 Y1 The neutral is not included for 3 wye c...

Страница 101: ...minals Floating Test 1 H1 X1 H1 X1 Test 2 H2 X2 Test 3 H3 X3 Common Winding OC All Other Terminals Floating Test 4 X1 H0X0 X1 H0X0 Test 5 X2 H0X0 Test 6 X3 H0X0 Short Circuit SC High H to Low L Short...

Страница 102: ...Y1 Test 16 X1 H0X0 H1 H0X0 Short Y1 Y2 Test 17 X2 H0X0 Test 18 X3 H0X0 Table B 3 Autotransformer With Tertiary 18 Tests Continued Test Type Test 3 1 Table B 4 Three Winding Transformer Table 18 Tests...

Страница 103: ...H2 H3 H2 H3 H2 H3 H2 Short Circuit SC High H to Tertiary T Short Y1 Y2 Y3 Y1 Test 13 H1 H3 H1 H3 H1 H3 H1 H3 H1 H0 Short Y1 Y2 Test 14 H2 H1 H2 H1 H2 H1 H2 H1 Test 15 H3 H2 H3 H2 H3 H2 H3 H2 Short Ci...

Страница 104: ...Y1 Y0 Y1 Y3 Y1 Y0 Y1 Y3 Test 8 Y2 Y0 Y2 Y1 Y2 Y0 Y2 Y1 Test 9 Y3 Y0 Y3 Y2 Y3 Y0 Y3 Y2 Short Circuit SC High H to Low L Short X1 X2 X3 X1 Test 10 H1 H0 H1 H0 H1 H0 H1 H0 Test 11 H2 H0 H2 H0 H2 H0 H2 H0...

Страница 105: ...ts and lightning The most severe in service forces arise from system faults and are axial and radial in nature If the forces are excessive radial buckling or axial deformation can occur With a core fo...

Страница 106: ...equency response analysis is generally applied to a complex network of passive elements For practical purposes we will consider only resistors inductors and capacitors as passive circuit elements and...

Страница 107: ...the transfer function The transfer function helps us better understand the input output relationship of a linear network The transfer function also represents the fundamental characteristics of a netw...

Страница 108: ...s in the phase relationship Test Cable Lengths The cables and connectors supplied with the M5000 instruments are made from low loss RG 58 RF coaxial cable with the shields grounded to the instrument c...

Страница 109: ...delta winding is completed and grounded external to the transformer tank the delta should be complete but floating Such windings are frequently used for regulation where such windings are grounded int...

Страница 110: ...Sweep Frequency Response Analyzer SFRA User Guide C 6 72A 2570 01 Rev K 07 2011...

Страница 111: ...for replacement parts and accessories It contains the following sections Replacing a Fuse on page D 1 Repairs on page D 3 Replacement Parts on page D 3 Replacing a Fuse The fuses are located above the...

Страница 112: ...gure D 2 Blade in Top of Fuse Cover The fuse cover is hinged at the bottom 2 Pull the fuse cover out and down Figure D 3 Figure D 3 Open Fuse Cover with Fuses in Place Note that the arrows on the fuse...

Страница 113: ...ring Company 85 Walnut Street Watertown MA 02472 4037 USA Replacement Parts Contact Doble Customer Service to order replacement parts M5200 and M5400 Table D 1 lists cables and adapters available for...

Страница 114: ...tive Table D 2 M5200 and M5400 Additional Components Qty Description Part No 1 CD SFRA Product Information 08A 0151 01 1 CD SFRA Software 08A 0152 01 2 M5200 Fuse 3 0 Amp 250 V 3 AG SLO BLO 384 0002 2...

Страница 115: ...y Description Part No 1 Bag Cable Large 2FB 3449 01 1 Cable Ground 9 m 30 ft M4K M2H MEU 02C 0019 01 4 Cable Ground 1 5 m 5 ft 02B 0026 02 1 Cable Specimen Test 18 m 60 ft 05B 0659 04 1 Cable Specimen...

Страница 116: ...Sweep Frequency Response Analyzer SFRA User Guide D 6 72A 2570 01 Rev K 07 2011...

Страница 117: ...3 PC Requirements on page E 4 Instrument Specifications These specifications apply to all three SFRA instruments NOTE Specifications are subject to change without notice Table E 1 Instrument Specifica...

Страница 118: ...e Point Spacing 1 2 logarithmic Dynamic Range 90 dB Repeatability 1 dB to 80 dB IF Bandwidth 10 of active frequency Data Display Scaling Linear Log Frequency Range 10 Hz to 25 MHz user defined within...

Страница 119: ...t M5200 1 Amp M5300 1 Amp M5400 0 5 Amp Temperature Operating 0 to 50 C 32 to 122 F Storage 25 to 70 C 13 to 158 F Relative Humidity 0 95 non condensing Table E 1 Instrument Specifications Continued F...

Страница 120: ...easy transportation The M5400 case has a handle Table E 3 PC Requirements SFRA Instrument PC Requirement M5200 and M5400 Minimum configuration Ethernet USB Windows XP or Windows 7 500 MHz processor 2...

Страница 121: ...number 1 4 Clear Traces command defined A 9 cloning a transformer 5 6 Command Window Displaying IP Address screenshot 3 31 communication cables Ethernet crossover with part number 1 4 USB with part nu...

Страница 122: ...menu A 7 ground cables safety ground with photo and part number 1 3 temporary static discharge 3 12 grounding a transformer 3 12 grounding connection example of 2 2 ground loop resistance 18 m 60 ft l...

Страница 123: ...1 merging settings files 5 14 N New Range command defined A 8 New Serial Number Listing screenshot 3 6 no instrument located 3 4 noise levels 3 22 Nonstandard Test Warning screenshot 3 21 nonstandard...

Страница 124: ...twork measurement C 5 test instrument information 5 3 transformer information 5 5 SFRA instrument cable connections 3 2 repairing D 3 replacement parts D 3 startup indicator lights 3 3 theory of opera...

Страница 125: ...3 29 troubleshooting 3 24 Test Selection Window screenshot 3 19 Test Setting Editor screenshot 4 3 test settings creating 4 4 editing and deleting 4 4 test templates associate with a transformer 3 4 c...

Страница 126: ...USB cable connections 3 3 cable with part number 1 4 driver installing A 5 V viewing data 5 9 W Warning 952 3 22 Waveform Tab screenshot A 16 waveforms monitoring 3 24 Welcome Window of Setup Wizard...

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