Vanguard CT-7000 User Manual

OPERATING INSTRUCTIONSfor theCT-7000Digital Circuit Breaker AnalyzerVanguard Instruments Company1710 Grevillea CourtOntario, California 91761TEL: (909

CT-7000 Operating Instructions3personal computer. A Windows-based Breaker Analysis Software is supplied with each CT-7000.The software is compatible w

CT-7000 Operating Instructions43.0 Test Result Tabulation3.1 Electrical Measurement ResultsUnder the Time Travel Mode, each CT-7000 contact channel pr

CT-7000 Operating Instructions53.4 Digital Voltage Input ResultsThe digital voltage, input channel, “V2” monitors the voltage status as “ON” or “OFF”

CT-7000 Operating Instructions65.0 CT-7000 Controls and DisplayBefore using the CT-7000, users should become familiar with all of the controls and dis

CT-7000 Operating Instructions7Table 1.0 CT-7000 Controls and DisplaysFig. 1.0Index no.PANEL MARKING FUNCTIONAL DESCRIPTION1CONTACT INPUT(1 –12)Femal

CT-7000 Operating Instructions86.0 CT-7000 Analyzer SpecificationsCONTACT TIMING Open, Close, Open-Close, Close-Open, and Open-Close-Open.SIZE & W

CT-7000 Operating Instructions97.0 CT-7000 Special Features7.1 CT-7000 Supplied CablesTable 2.0 CT-7000 Cable setITEM DESCRIPTION QTY1 GND Cable 12 P

CT-7000 Operating Instructions107.2 CT-7000 Operating VoltagesThe CT-7000 operating voltage is selectable between 110/120 Vac, 50/60 Hz or 220/240Vac,

CT-7000 Operating Instructions117.5 CT-7000 Printer Paper ControlTo advance the paper from the printer, press and release the “↑ PAPER LCD” button.

CT-7000 Operating Instructions128.0 Test Hook-up Connections8.1 Contact Cable HookupA typical, contact cable connection to a circuit breaker is shown

CT-7000 Operating InstructionsISAFETY WARNINGS AND CAUTIONSOnly trained operators shall use the device. All circuit breakers under test shall be off l

CT-7000 Operating Instructions13Figure 3.0 Series Contact Cable Connection

CT-7000 Operating Instructions148.2 Initiate Cable HookupThe CT-7000 will trip or close breakers through a solid-state device, which will operate on a

CT-7000 Operating Instructions158.3 Analog Voltage Monitor HookupThe analog, voltage input, “V1” permits the user to monitor a breaker's DC contr

CT-7000 Operating Instructions168.5 External Trigger InputThe External Trigger Mode enables the user to start recording data when the CT-7000 sensesa

CT-7000 Operating Instructions178.6 Transducer ConnectionA typical transducer connection is shown on Figure 8.0. See Appendix I for more transducercon

CT-7000 Operating Instructions189.0 Operating ProceduresThe main steps to time a circuit breaker are listed in Figure 9.0..Figure 9.0 CT-7000 Operati

CT-7000 Operating Instructions199.1 Timing a Circuit BreakerThe CT-7000 will initiate the breaker operation and do a timing test on the followingopera

CT-7000 Operating Instructions209.1.1 Timing an OPEN Operation With No Insertion ResistorsTable 4.0 Open Operation With No Insertion ResistorsSTEPOPE

CT-7000 Operating Instructions219.1.2 Timing an OPEN Operation With Insertion ResistorsThe CT-7000 can time breakers with insertion resistors. The in

CT-7000 Operating Instructions229.1.3 Timing CLOSE-OPEN Operation Using Contact Channel #1The CLOSE-OPEN operation of the breaker simulates a conditio

CT-7000 Operating InstructionsIITable of Contents1.0 Introduction...

CT-7000 Operating Instructions23Table 6.0 Close-Open Operation Using Contact Channel #1STEP OPERATION ACTION DISPLAY1 READY TIMER FOR BREAKER OPERATI

CT-7000 Operating Instructions249.1.4 Timing OPEN-CLOSE-OPEN OperationThe OPEN-CLOSE-OPEN operation requires the user to enter two time-delaysbetween

CT-7000 Operating Instructions259.2 Get Tabulated Timing Results Using the Thermal PrinterThe circuit breaker timing results can be printed on the the

CT-7000 Operating Instructions26Figure 10.0 Typical Tabulated Printout of an Open Operation From the Thermal Printer16114567891091314151712123

CT-7000 Operating Instructions279.2.1 Tabulated Results Interpretation1. Timing Record is time and date stamped by the CT-7000.2. Timing record heade

CT-7000 Operating Instructions28Figure 11.0 Typical Tabulated Printout of an Open Operation From Ink Jet Printer

CT-7000 Operating Instructions299.3 Get Graphic Timing Results Using the Thermal PrinterSelecting the “PLOT FULL CHART” command will plot the timing c

CT-7000 Operating Instructions30Figure 12.0 Typical Graphic Result From the Thermal PrinterContact TraceTravel TraceInitiate CurrentAnalog Voltage Ch

CT-7000 Operating Instructions31Figure 13.0 Typical Graphic Printout From the Ink Jet Printer

CT-7000 Operating Instructions32Figure 14.0 Expansion Graph From 0 to 200ms From the Thermal PrinterNOTEAnalysis point # 1 and point #2 are shown on

CT-7000 Operating InstructionsIII9.2 Get Tabulated Timing Results Using the Thermal Printer...259.2.1 Tabulate

CT-7000 Operating Instructions33Figure 15.0 Expansion Graph From 0 to 200ms From Ink Jet Printer

CT-7000 Operating Instructions34Figure 16.0 Graphical Interpretation of an Open Timing ShotFigure 17.0 Graphical Interpretation of a Close Timing Sh

CT-7000 Operating Instructions35Figure 18.0 Graphical Interpretations of an Open-Close and a Close-Open Timing Shot

CT-7000 Operating Instructions369.4 Save Timing Shots in the EEPROMUse the steps in Table 10.0 to save a timing shot in the FLASH EEPROM.Table 10.0 S

CT-7000 Operating Instructions379.5 Printing Timing Shot Directory Stored in the EEPROMThe user can obtain a timing-shot directory that was stored in

CT-7000 Operating Instructions38Figure 19.0 Printout of the Timing Shot Directory From the Thermal Printer

CT-7000 Operating Instructions399.6 Recalling a Timing ShotThe following steps in Table 12.0 are used to recall a timing shot stored in the EEPROM to

CT-7000 Operating Instructions409.7 Deleting a Timing ShotUsers can delete a specific timing shot or all of the timing shots from the CT-7000’s EEPROM

CT-7000 Operating Instructions419.8 Shot DescriptionThe CT-7000 has the capability for users to enter the breaker and other identificationinformation.

CT-7000 Operating Instructions42Table 14.0 Entering Shot Identification Header (Continued)STEP OPERATION ACTION DISPLAY8 ENTER BREAKER MODEL. PRESS

CT-7000 Operating InstructionsIVList of FiguresFigure 1.0 CT-7000 Control Panel...

CT-7000 Operating Instructions439.9 Computer InterfaceEach CT-7000 has an RS-232C port, where the Breaker Analysis Software package providedwith each

CT-7000 Operating Instructions449.10 Breaker Travel AnalysisThe CT-7000’s travel analysis includes the breaker’s stroke, over-travel, bounce-back,cont

CT-7000 Operating Instructions459.10.7 Analysis Point No.1 (AP1)Three selections are available to the user for setting analysis point No. 1:1. PERCENT

CT-7000 Operating Instructions46NOTES1. Average velocity through the arc zone is calculated by using the following formula:Vave = Distance ÷ Time2. Th

CT-7000 Operating Instructions479.11 Set-Up Open Analysis PointsTable 16.0 Setting Up "OPEN" Analysis Points Using DistanceSTEP OPERATION A

CT-7000 Operating Instructions48NOTES1. If an entry is not correct, re-enter the digits until the screen shows the desirednumbers, then press the “ENT

CT-7000 Operating Instructions499.12 Circuit Breaker Test PlanA circuit breaker test plan contains breaker maximum/minimum operating parameters. Atypi

CT-7000 Operating Instructions50STEP OPERATION ACTION DISPLAY4 SELECT LOAD TEST PLAN. PRESS # 1 KEY. LOAD TEST PLAN“∧” “∨” TO SCROLL"ENTER"

CT-7000 Operating Instructions519.14 Print a Breaker Test PlanThe user can print a breaker test plan stored in the CT-7000 EEPROM.Table 18.0 Print a

CT-7000 Operating Instructions52Figure 21.0 Typical Test Plan Printout of a Siemens SPS2 on Thermal PrinterVelocityCalculationFormula

CT-7000 Operating InstructionsVList of TablesTable 1.0 CT-7000 Controls and Displays...

CT-7000 Operating Instructions53Figure 22.0 Siemens SPS2 121 Close Timing Illustration

CT-7000 Operating Instructions54Figure 23.0 Siemens SPS2 121 Open Timing Illustration

CT-7000 Operating Instructions559.15 Print a Breaker Test Plan DirectoryThe CT-7000 breaker test plan directory stored in the CT-7000 EEPROM using the

CT-7000 Operating Instructions569.16 English/Metric or Rotary Transducer SelectionThe CT-7000 supports and displays both English and Metric calculatio

CT-7000 Operating Instructions579.17 Set CT-7000 Internal ClockThe CT-7000 has an internal clock with a lithium battery. The clock's time and da

CT-7000 Operating Instructions589.18 Slow-Close TestThe CT-7000 offers a unique feature called a "Slow-Close" test. The test permits users

CT-7000 Operating Instructions59Figure 25.0 Typical Slow-Close Test ReportNOTEBy adding the contact touch and the contact wipe distance, the total is

CT-7000 Operating Instructions609.20 Check Cable HookupTable 25.0 Checking the Cable HookupSTEP OPERATION ACTION DISPLAY1 SELECT DIAGNOSTIC. PRESS #

CT-7000 Operating Instructions619.21 Automatic Print SettingThe CT-7000 can be set to print graphs and tabulated results automatically after each timi

CT-7000 Operating Instructions629.22 CT-7000 Channel ConfigurationThe CT-7000 is available with 3-, 6-, or 12- contact inputs. Under most common timi

CT-7000 Operating InstructionsVIAppendixAPPENDIX A ITE Circuit Breaker model 14.4K Timing Chart...6

CT-7000 Operating Instructions639.23 Running CT-7000 in TandemFor timing application requiring more than 12 timing contact channels, the user can use

CT-7000 Operating Instructions6410.0 CT-7000 Trouble Shooting GuideProblems Suggestion1. CT-7000 will not trip nor close the breaker.n Make sure you h

CT-7000 Operating Instructions65Problems Suggestion9. How does one review the current analysis setting?n Go to SETUP (Press key #3).n Select Analysis

CT-7000 Operating Instructions66APPENDIX A ITE Circuit Breaker model 14.4K Timing ChartAP1= 1.5”AP2= 3.5”Bounce Back

CT-7000 Operating Instructions67APPENDIX B CLOSE-OPEN Timing Chart for ITE Circuit Breaker Model 14.4KContact Touch DistancePeak To Peak Travel

CT-7000 Operating Instructions68APPENDIX C CLOSE-OPEN Tabulated Report for ITE Circuit Breaker Model 14.4K

CT-7000 Operating Instructions69APPENDIX D OPEN-CLOSE Timing Chart for ITE Circuit Breaker Model 14.4K

CT-7000 Operating Instructions70APPENDIX E OPEN-CLOSE Tabulated Report for ITE Circuit Breaker Model 14.4K

CT-7000 Operating Instructions71APPENDIX F SIEMENS TCP Breaker Velocity Calculation

CT-7000 Operating Instructions72APPENDIX G SIEMENS SPS2 Breaker Velocity Calculation

CT-7000 Operating Instructions11.0 IntroductionThe CT-7000 is a microprocessor-based, digital time travel, circuit breaker analyzer. The CT-7000 can

CT-7000 Operating Instructions73APPENDIX H CT-7000 SIEMENS SPS2 Test Plan

CT-7000 Operating Instructions74APPENDIX I CT-7000 Transducer IllustrationLinear Transducer on an OCBRotary Transducer on Alstom HE 1014 Circuit Brea

CT-7000 Operating Instructions75Rotary Transducer on ABB HMB MechString Transducer on ABB 72PM Circuit Breaker

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CT-7000 Operating Instructions2The CT-7000 can also store up to 100 breaker timing test records and 99 breaker test-plansinto the FLASH EEPROM. Stored