Vanguard CT-7500 Bedienungsanleitung

OPERATING INSTRUCTIONSFor theModel CT-7500A Digital Circuit-Breaker AnalyzerManufactured byVanguard Instruments Co., Inc.1711 Grevillea Ct.Ontario, Ca

MODEL CT-7500 OPERATING INSTRUCTIONS4Rev 2 Jan 20012.2.13 CT-7500 Display and Control SwitchesAn alpha-numeric keypad lets the user enter breaker’s na

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 20015normally can not be seen using a volt meter.NOTEVoltage reading range is 1.0-255 V dc.3.4 Digital

MODEL CT-7500 OPERATING INSTRUCTIONS6Rev 2 Jan 2001Figure 5-1. CT-7500 Control Panel

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 20017Table 5-1. Model CT-7500 Controls and DisplaysFig. 5-1Index no. PANEL MARKINGFUNCTIONAL DESCRIPTIO

MODEL CT-7500 OPERATING INSTRUCTIONS8Rev 2 Jan 2001Table 5-1. Model CT-7500 Controls and Displays (cont’)Fig. 5-1Index no. PANEL MARKINGFUNCTIONAL DE

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200196.0 CT-7500 Analyzer Specifications (See table below.)CONTACT TIMINGOpen, Close, Open-Close, Close

MODEL CT-7500 OPERATING INSTRUCTIONS10Rev 2 Jan 2001WARRANTYOne year warranty on parts and labor; post-warranty service contracts available

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001117.0 CT-7500 Special Features7.1 CT-7500 Operating VoltagesThe CT-7500 operating voltage is selec

MODEL CT-7500 OPERATING INSTRUCTIONS12Rev 2 Jan 20017.5 Replacing CT-7500 Thermal PaperThe thermal paper roll is residing in the pocket under the pri

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001138.0 TEST HOOKUP CONNECTIONS8.1 Contact Cable HookupA typical contact cable connection to a circu

MODEL CT-7500 OPERATING INSTRUCTIONSTABLE OF CONTENTS1.0 INTRODUCTION…. ….. ... ... ... ... ... ...

MODEL CT-7500 OPERATING INSTRUCTIONS14Rev 2 Jan 2001NOTEMinimum trigger voltage is set for 30 V ac/dc. Maximum continous voltage is 300Vac/dc.Differe

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200115Figure 8-1. Typical Single Break Contact Cable HookupFigure 8-2. Typical Series Contacts Test Ca

MODEL CT-7500 OPERATING INSTRUCTIONS16Rev 2 Jan 2001Firgure 8-3. Typical DC Trip and Close Control Test Cable HookupFigure 8-4. Typical DC Trip and

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200117Figure 8-5. Typical Voltage-Monitoring Test Cable HookupFigure 8-6. Typical External Trigger Hoo

MODEL CT-7500 OPERATING INSTRUCTIONS18Rev 2 Jan 2001Figure 8-7. Transducer Cable HookupFigure 8-8. AC Current Sensor Hookup

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001199.0 OPERATING PROCEDURESThe main steps to time a circuit breaker are listed below (Figure 9-0). F

MODEL CT-7500 OPERATING INSTRUCTIONS20Rev 2 Jan 2001Figure 9-1 CT-7500 Menu Map

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200121

MODEL CT-7500 OPERATING INSTRUCTIONS22Rev 2 Jan 2001Figure 9-1 CT-7500 Menu Map

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001239.1 Timing A Circuit BreakerTiming Breaker Under Quick-Shot Mode. The CT-7500 will provide OPEN o

MODEL CT-7500 OPERATING INSTRUCTIONS9.8 Recall a Breaker Test Plan. ... ... ... ... ... ... ...

MODEL CT-7500 OPERATING INSTRUCTIONS24Rev 2 Jan 20019.1.1 Timing an OPEN Operation With No Insertion ResistorTable 9-1. Open Operation With No Resis

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001259.1.2 Timing an OPEN Operation With Insertion ResistorsThe CT-7500 can time breakers with inserti

MODEL CT-7500 OPERATING INSTRUCTIONS26Rev 2 Jan 20019.1.3 Timing CLOSE-OPEN Operation Using Contact Channel #1The CLOSE-OPEN operation of the breaker

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200127commands are initiated at the same time. The breaker will start closing, the OPEN circuit isthen e

MODEL CT-7500 OPERATING INSTRUCTIONS28Rev 2 Jan 2001Figure 9-2. Typical Tabulated Printout of Open Operation on Thermal Printer

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200129Note1. Contact time is shown in both millisecond and cycles. From figure 9-2, contact channel #1 t

MODEL CT-7500 OPERATING INSTRUCTIONS30Rev 2 Jan 2001Figure 9-3. Typical tabulated Printout of an Open Operation on Ink-jet Printer.Pass/Fail on Travel

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001319.3 Get Graphic Timing Results Using Thermal PrinterTable 9-5. Plot Chart and Tabulated ReportST

MODEL CT-7500 OPERATING INSTRUCTIONS32Rev 2 Jan 2001Figure 9-4. Typical Graphic Result on Thermal PrinterContact TraceTravel TraceInitiate Current Tra

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200133Figure 9-5. Typical Graphic Report on Ink-Jet Printer

MODEL CT-7500 OPERATING INSTRUCTIONSLIST OF FIGURESFigure 5-1. CT-7500 Control Panel . ... ... ... ... ...

MODEL CT-7500 OPERATING INSTRUCTIONS34Rev 2 Jan 2001Figure 9-6. Expansion Graph from 0ms to 200ms on Thermal PrinterNoteAnalysis point # 1 and point #

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200135Figure 9-7. Open Timing Shot Graphics InterpretationFigure 9-7A. Close Timing Shot Graphics Inte

MODEL CT-7500 OPERATING INSTRUCTIONS36Rev 2 Jan 2001Figure 9-8. Open-Close and Close-Open Timing Shot Graphics Interpretation

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001379.4 Save Timing Shot in EEPROMTable 9-6. Save Timing Shot In EEPROMSTEP OPERATION ACTION DISPLAY

MODEL CT-7500 OPERATING INSTRUCTIONS38Rev 2 Jan 20019.5 Print EEPROM Timing Shot DirectoryTable 9-7. Print Timing Shot DirectorySTEP OPERATION ACTIO

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200139Figure 9-9. Timing Shot Directory Printout On Thermal Printer

MODEL CT-7500 OPERATING INSTRUCTIONS40Rev 2 Jan 20019.6 Recall a Timing ShotThe following steps are used to recall a timing shot stored in EEPROM to

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001419.7 Deleting a Timing ShotUsers can delete a specific timing shot from the CT-7500 EEPROM memory b

MODEL CT-7500 OPERATING INSTRUCTIONS42Rev 2 Jan 20019.8 Recall a Breaker Test PlanA breaker test plan contains breaker maximum/minimum operating para

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001439.9 Print a Breaker Test PlanThe user can print a breaker test plan stored in the CT-7500 EEPROM T

MODEL CT-7500 OPERATING INSTRUCTIONS

MODEL CT-7500 OPERATING INSTRUCTIONS44Rev 2 Jan 2001Figure 9-10. Typical Test-Plan Printout on Thermal Printer

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001459.10 Print Breaker Test Plan DirectoryThe user can print a breaker test plan directory stored in t

MODEL CT-7500 OPERATING INSTRUCTIONS46Rev 2 Jan 20019.11 Shot DescriptionThe CT-7500 lets users enter breaker and test data identification (ID). Thi

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200147Table 9-13. Entering Shot Identification Header (Con’t)STEP OPERATION ACTION DISPLAY8 ENTER SERIA

MODEL CT-7500 OPERATING INSTRUCTIONS48Rev 2 Jan 20019.12 CT-7500 Channel ConfigurationThe CT-7500 is available with 3-, 6-, or 12- contact inputs. U

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001499.13 Computer InterfaceEach CT-7500 has an RS-232C port. A Breaker Analysis Software package (pr

MODEL CT-7500 OPERATING INSTRUCTIONS50Rev 2 Jan 20019.14. Breaker Travel AnalysisThe CT-7500 travel analysis includes breaker stroke, over-travel, bo

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001519.14.7 Analysis Point No.1.Three selections are available to the user for setting analysis point

MODEL CT-7500 OPERATING INSTRUCTIONS52Rev 2 Jan 20019.15 Set-Up Open Analysis PointsTable 9-16. Setting Up "OPEN" Analysis Points Using Di

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200153Table 9-16. Setting Up "OPEN" Analysis Points Using Distance (Con’t)STEP OPERATION ACTI

MODEL CT-7500 OPERATING INSTRUCTIONS54Rev 2 Jan 20019-16. English/Metric SelectionThe CT-7500 supports and displays both English and Metric calculati

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001559.17 Set CT-7500 Internal ClockThe CT-7500 has an internal clock with a lithium battery. The clo

MODEL CT-7500 OPERATING INSTRUCTIONS56Rev 2 Jan 20019.18 Slow-Close TestThe CT-7500 offers a unique feature called a "slow-close" test. Th

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200157Figure 9-12. Typical Slow-Close test report9.19 Transducer Self-TestThe users can check transduce

MODEL CT-7500 OPERATING INSTRUCTIONS58Rev 2 Jan 20019.20 Check Cable HookupTable 9-21. Checking the Cable HookupSTEP OPERATION ACTION DISPLAY1 SELE

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001599-21 Automatic Print SettingThe CT-7500 can be set to print graph and tabulated results automatic

MODEL CT-7500 OPERATING INSTRUCTIONS60Rev 2 Jan 200110.0 Running CT-7500s in TandemFor timing application requiring more than 12 timing contact channe

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 20016111.0 CT-7500 Trouble Shooting GuideProblems Suggestion1. CT-7500 will not trip or close breaker.

MODEL CT-7500 OPERATING INSTRUCTIONS62Rev 2 Jan 2001Problems Suggestion9. No “PASS/FAIL” on tabulated report. Test plan is not loaded before taking t

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001IAPPENDIX AITE Circuit Breaker model 14.4K Timing Chart.AP1= 1.5”AP2= 3.5”

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 200111.0 IntroductionThe Model CT-7500 is a microprocessor-based digital time-versus-travel Circuit Bre

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001II

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001IIIAPPENDIX BCT-7500 Test Plan for ITE Circuit Breaker Model 14.4K.

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001IVAPPENDIX CCT-7500 Timing Chart for ITE Circuit Breaker Model 14.4K.

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001VAPPENDIX DCT-7500 Tabulated Report for ITE Circuit Breaker Model 14.4K.CT-7500 Timing Chart for ITE

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001VIAPPENDIX ETiming Chart for Siemens TCP-149 Circuit Breaker.NoteVelocity calculation for this brea

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 2001VIIAPPENDIX FCT-7500 Test Plan for Siemens TCP-149 Circuit Breaker.NoteFormula to calculate velocity

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MODEL CT-7500 OPERATING INSTRUCTIONS2Rev 2 Jan 2001or calibrate the transducer.The CT-7500 has a built-in initiate circuit to operate circuit breakers

MODEL CT-7500 OPERATING INSTRUCTIONSRev 2 Jan 20013(e.g., Open-Close, Close-Open, Open-Close-Open) can be initiated with a programmable delaytime or b