CT3500 Manual Final - Vanguard Instruments Company, Inc.
Contents
1. Operating Procedures 3 0 CT 3500 SPECIFICATION Refer to the specification list in Table 1 Table 1 CT 3500 Specifications and Leading Particulars MODEL TYPE SIZE WEIGHT INPUT POWER DRY CONTACT INPUTS TRIGGER INPUT OPERATIONS RESOLUTION ACCURACY DISPLAY CONTROLS COMPUTER INTERFACE PRINTER ENVIRONMENT SHIPPING CASE WARRANTY NOTE CT 3500 Special purpose utility test eguipment Digital Circuit Breaker Timer 15 inches Wide by 7 inches High by 13 inches Deep Less than 15 pounds 90 120 or 220 240 volts ac Selectable 50 60Hz 3 channels continuity detectors Open Close 24 to 300 V dc peak ac Open Close Open Close and Close Open strokes 1 10 millisecond 0 1 of reading 0 1ms LCD back lighted 4 line by 20 character alpha numeric Keypad 10 alpha numeric and 6 function pushbuttons RS 232C Built in thermal printer prints on 2 5 inch wide strip Operating 0 C to 55 C Storage 40 C to 65 C Optional Hard case with foam liner One Year parts amp labor post warranty service available THE ABOVE SPECIFICATIONS ARE VALID AT NOMINAL OPERATING VOLTAGE AND AT A TEMPERATURE OF 25 C 77 F THE CT 3500 SPECIFICATIONS MAY BE UPGRADED AND CHANGED WITHOUT PRIOR NOTICE Model CT 35007M Operating Procedures 3 1 CONTROLS and INDICATORS Users should become familiar with these The control panel is shown in figure 1 items before trying to use the CT 3500 Leader lines p2. d Press ENTER to return to Start Up Menu This completes the Cable test procedure This completes all operating procedures Model CT 3500TM Operating Procedures Model CT 35007M Operating Procedures APPENDIX A CT 3500 Troubleshooting Guide Item Symptom Possible Problem Solution CT 3500 will not 1 No trigger voltage 1 Check trigger cable connection start timing detected to Trip and Close coil 2 Broken trigger lead 2 Inspect trigger cable cables CT 3500 displays 1 There is standing voltage 1 Check trigger cable Detect Standing across trigger input lead connection to trip and close coil Voltage The CT 3500 expects a 2 If there is standing voltage voltage only when the across coil check for lamp circuit breaker coil is indicator circuit energized Timing channels is 1 Bad contact cable 1 Check contact cable not working connection to breaker connection to breaker correctly 2 Missing common 2 Inspect contact leads connection on the breaker 3 Make sure the common side bushing black lead of contact bushing is tied to ground Vanguard Instruments Company Inc 1710 Grevillea Court Ontario CA 91761 USA Phone 909 923 9390 Fax 909 923 9391 Website http www vanguard instruments com HE
3. 12 Applicability This manual applies to Model CT 3500 manufactured by Vanguard Instruments Co part number CT 35000 This operator s manual is intended for personnel who operate and test utility circuit breakers hereafter breaker 1 3 Supersedure Notice This Operator s manual is the basic issue for the Model CT 3500 and does not supersede any previously published manual 2 0 GENERAL DESCRIPTION The CT 3500 Digital Breaker Timer henceforth for brevity called CT 3500 is a microprocessor controlled timer designed to test electrical utility circuit breakers The CT 3500 can also time contact operations of any switching device e g switching relays remotely controlled contactors etc It contains 3 independent timers for the simultaneous timing of each set of contacts in three phase breakers The CT 3500 fully analyzes the timing of breaker contact operation OPEN CLOSE OPEN CLOSE and CLOSE OPEN It s field portable very rugged and is easily operated by first time users with little training It features a 16 key pushbutton pad for entering breaker test ID and control function A 4 line by 20 character back lighted LCD displays control menus and measured test results Test results can be printed on a built in 2 5 inch wide thermal printer Operation reguires little more than connecting the cables of the CT 3500 to utility breaker contacts selecting the desired test options and enabling the test resul
4. 3500 Printer Pape A A A dep die a AAA A Dyd Dude EOG 5 43 Test CableC OBDBSCUUDS Kagee 5 O 5 432 Trigger Cable Connection a GG A RO ee 5 50 Operauno Procedures eie 2 rise Sat i do ieri ele cea ie dun dn Y emi lidi nie GU FOR nali 8 red 0 hc O RENO sage a ORTO Io eae a M PUN 8 5 2 IPrecautions ciw y dd asa Gyd alal ai ii alati 8 2 3 Preliminary Procedure aaa lei 8 3 4 Identification Setup Procedure eere Lo tee titt FFF te asa essc FEN ER 8 2 9 cunc best PROSEGUE ela eset neret 10 2 0 cc Review Shot PROCS CIES anale 13 Sod Restore Shot PIG Ce CIN Esse TENT 14 2 9 Print Test Record Directory alli e UU IEEE 15 5 9 Computer Interface Procedure ian 16 510 Set MD ale and near 16 Sl Set 0 60 Hz Procedures sail aaa 16 2 12 Cable Test Procedure i GN III ATENE SITA YCM DF gn a FRS 17 II Model CT 3500TM Operating Procedures Figure 1 0 Figure 2 0 Figure 3 0 Figure 4 0 Figure 5 0 Figure 6 0 Figure 7 0 Table of Figures CT 3500 Controls and Indicators urea 3 CT 3500 Timing Hook Up Diarra se ue i uo petet RO si ius 6 Trigger Circuit Hook Up Diagraitb solai ed ese ate FUR 6 Step by Step Operating Procedures Flow Diagram eee 7 A typical CT 3500 OPEN Test print out ccoo nonnnnnrnn ccoo nc nos 11 A typical CT 3500 CLOSE OPEN Test print out eene 12 Typical CT 35005Shot Directory 15 II Model CT 3500 Operating Procedures 1 0 INTRODUCTION
5. OPEN TC cc CLOSE OPEN TC cc CLOSE TRIGGER TRIGGER TRIGGER TRIGGER OPEN CLOSE OPEN CLOSE GREEN WHITE GREEN t WHITE Positive Trip Circuit Negative Trip Circuit Trigger Circuit Hook Up Diagram 4 Leads OPEN CLOSE OPEN CLOSE GREEN 524 52b WHITE GREEN 524 52b WHITE OPEN TC CLOSE OPEN TC CLOSE TRIGGER TRIGGER TRIGGER TRIGGER BLACK BLACK Positive Trip Circuit Negative Trip Circuit Trigger Circuit Hook Up Diagram 3 Leads Figure 3 0 Trigger Circuit Hook Up Diagrams Operating Procedures Model CT 3500 622010 PANSER um aron i iad VEDETE WATATHOL Cif SION ALI Xu 4 GINO JO Ua YN VO OO OA EN C Waray vir DW aud Gaii C OS HOT im T que ymn SVH mena WN KINE LL Bye TI EVE 2 Lore FEN JEVNE LO LOI 0 18048 2 6 01 MOD Qd TOMS OL n MOLOG 42 65 frin 4r Lr 19 140 123801 1709 1 MOIDA d IN Rad SALDI MOLD GO RIM UN TIKE A OL a O Oo n UNICI WAN 30 OIN E ERU A VOL Bino Fd VI GIGI ud Fd BETA dd T LU nys CE POR Pr LI LS OL MA aa 0 cua I 2 me 330104 43295 OL TAO 2 HI 389 SOME SIG MR OLA D di hino Up me AMO dd Ct LI Ve aud MB gt TEEN paz YSN eiuojie2 OLE oul 09 sjueuinajsu paenBuend 340818 MOSS NIJD 35070 HD 3907714390 6 9 1231 3406 1S 37AN00 IDOL ONY Es 4008 NO UM Oc
6. records are to be kept and full test reports are to be printed then the IDENTIFICATION SETUP must be entered before any other timing related procedure a START UP MENU Observe that the Start Up menu is the initial display at power up and boot all procedures start with STARTUP MENU see next display menu START UP MENU 1 RUN TEST 2 SETUP 05 15 01 10 28 03 3 CABLE TEST b Press number 2 SETUP to enter identification data See Figures 3 0 for reference to the desired test path Go to the next step c If identification data are already entered then press number 1 key RUN TEST and go to section 5 5 c When SETUP is chosen the SET UP MENU below displays Go to next step SET UP MENU 1 ENTER ID 2 REVIEW SHOT 3 RESTORE SHOT 4 NEXT PAGE NOTICE The next steps require entering of identification data which involves pressing keys to enter character for the prompted input The keypad Figure 1 item 7 is marked like a telephone keypad but is used differently as explained here As an example consider alpha number key 2 ABC 2 ABC Press the key once to select number 2 press a second time to select letter A press a third time to select letter B and press a fourth time to select letter C Pressing the key a fifth time returns to display number 2 after which additional key presses Model CT 3500 Operating Procedures repeat the A B C cycl
7. to the START UP MENU NOTE Identification data should be entered for each breaker that is tested Model CT 3500 Operating Procedures 5 5 Run Test Procedure Time a breaker by performing the step by step seguence that follows The Run Test Procedure assumes that setups have been loaded typically a one time test can be run without such documentation The CT 3500 will stamp the date and time of each test on the record The user needs to verify the time and date displayed at the top left corner of the CT 3500 LCD before test START UP MENU 05 15 01 10 28 03 1 RUN TEST 2 SETUP 3 CABLE TEST a Begin the RUN TEST procedure by pressing key 1 on the START UP MENU see last illustration The SELECT TEST TYPE menu then displays see below SELECT TEST TYPE 1 OPEN 2 CLOSE 3 OPEN CLOSE 4 CLOSE OPEN b Press the key for the breaker test to be timed listed on the Menu above An OPERATE BREAKER prompt will display In the example below the OPEN test was selected The test procedure is shown in steps below TEST OPEN OPEN BREAKER NOW c The above display prompts the operator to activate the breaker for the selected test OPEN CLOSE OPEN CLOSE or CLOSE OPEN in this case an OPEN When the breaker has operated the selected test also called a shot a date and time stamp displays see below which will link this timing record if it is saved for all future
8. D 2 REVIEW SHOT 3 RESTORE SHOT 4 NEXT PAGE b Press key ff4 NEXT PAGE to display the menu shown below 1 COMPUTER CONTROL 2 SET TIME 3 SET 50 60 Hz c Press key 2 SET TIME to display the prompt to enter the present date and time shown below ENTER MM DD YY HH MM SS NOTE In the above prompt MM month DD day YY year and HH hour MM minute SS seconds d Set the date month day year with six key presses for the above prompt Set the time hour minute second with six key presses When date and time are set the screen will return to the START UP MENU This completes set date time procedure 5 11 Set 50 60 Hz Procedure The test result of the CT 3500 display in millisecond and cycles The user can select either 50Hz or 60Hz cycle mode on the test results Model CT 3500 Operating Procedures Use the following steps to set 50 60Hz mode a Beginning at the START UP MENU press key 2 SETUP to display the SET UP MENU shown below SET UP MENU 1 ENTER ID 2 REVIEW SHOT 3 RESTORE SHOT 4 NEXT PAGE b Press key 4 NEXT PAGE to display the menu shown below 1 COMPUTER CONTROL 2 SET TIME 3 SET 50 60 Hz c Press key 3 SET 50 60 Hz to select the Menu for power line frequency that the breaker controls This displays the Set Line Frequency menu shown below SET LINE FREQUENCY 1 60 Hz 2 50 Hz d Press the key for the frequency of
9. EW SHOT 3 RESTORE SHOT 4 NEXT PAGE a Press key 2 REVIEW SHOT to begin the Review Shot procedure The following menu displays REVIEW TEST 1 DISPLAY TEST DATA 2 PRINT TEST DATA b Press key 1 to display shot identification and key in number of shot to be reviewed default is last timing shot The display will show the shot record number just selected the type of shot OPEN CLOSE OPEN CLOSE or CLOSE OPEN and the date and time of the selected shot shown in the second display below go to the next step SHOT 01 OPEN SHOT 05 15 01 10 28 03 Press key 2 PRINT DATA to print out all the timing data on the selected shot record during which the advisory DISPLAY IS shown below PRINTING REPORT PLEASE WAIT After printing the display returns to the START UP MENU thus ending the Review Shot procedure c When the shot record of interest displays see b press ENTER to begin the timing review sequence virtually the same display sequence that displayed during the original timing shot refer to section 5 5 after which the display returns to the START UP Menu This ends the Review Data procedure Model CT 3500 Operating Procedures 5 7 _ Restore Shot Procedure This procedure allows the user to restore a test record from the CT 3500 Flash EEPROM to working memory The user then can review the test record using the REVIEW RECORD command 5 6 The Restore Recordi
10. NOLI YH3dO d3LS AB d31S sei LC3N gt AWG DOLE E LOG Maud E Og fur NOW ores vo t gt rus E Y KTO NAN dA 005 12 Step by Step Operating Procedures Flow Diagram Figure 4 0 Model CT 3500 Operating Procedures 5 0 Operating Procedures See Figure 3 0 Step by Step Procedures for Operating the CT 3500 5 1 Introduction Before first time operation of the CT 3500 Step by Step Operating Procedures Flow Diagram Figure 3 should be reviewed This figure shows the logic flow branching of multiple test options CT 3500 operation is simple reguiring little more than selecting choices from display menus and responding to the displayed prompts Experienced operators may use Figure 3 0 as a handy operating reference 52 Precautions WARNING Make sure that the CT 3500 is fully grounded before connecting it to any presumed to be deenergized breaker Also disconnect main lines to the breaker and ground main links to breaker contacts before making test hookups Failure to heed this warning can result in death personal injury and or damage to eguipment 53 Preliminary Procedure a Turn on CT 3500 power press 1 on the rocker switch item 4 in Figure 1 b Observe that after configuration data displays briefly the START UP MENU displays selections for I RUN TEST 2 SETUP and 3 CABLE TEST 5 4 Identification Setup Procedure If documented test
11. OPERATING INSTRUCTIONS for the Model CT 3500 Circuit Breaker Timer Part Number VIC 35000 Vanguard instruments Co Inc Oncaric Ca forria USA CT 3500 Digital Cie cult Breaker Timer Vanguard Instruments Company 1710 Grevillea Court Ontario California 91761 TEL 909 923 9390 September 2001 FAX 909 923 9391 Rev 0 Model CT 3500 Operating Procedures SAFETY SUMMARY The following safety precautions must be observed during all phases of test set up test hookups testing and test lead disconnects Do Not Service or Test Alone Do not perform test procedures or service unless another person is also present who is capable of rendering aid and resuscitation Avoid Contact with High Voltage Because electrical utility station environments contain high voltages and currents there is always the possibility of personal contact with an unexpected lethal voltage generated by magnetic induction and electrostatic leakage from nearby live circuitry When test units are connected to deenergized dead power lines regardless of how short they are always discharge the lines before attaching any test lead Because of the possibly deadly conseguences of physical contact with such high voltage lines engineers and technicians must always treat electrical eguipment and hookups as though a lethal condition will eventually occur Therefore no matter how unlikely it may seem never assume anything about the safet
12. RT UP MENU displays 01 08 15 01 10 28 03 OPEN SHOT This ends the RESTORE SHOT procedure Model CT 35007M Operating Procedures 5 8 Print Test Record Directory b Press key 2 to select the Directory Printing the test record directory begins with function this displays the DIRECTORY the Set Up Menu shown below the same menu shown below display from which the Review Records teps b steps began PRINT DIRECTORY SET UP MENU 1 FULL DIRECTORY 1 ENTER ID 2 SHORT DIRECTORY 2 REVIEW SHOT 3 RESTORE SHOT c Press key 1 to print a directory of all 4 NEXT PAGE shots stored in the CT 3500 memory Press key 2 to print the directory of the last 10 timing shots stored in the CT 3500 memory A typical CT 3500 directory print out is shown in figure 7 0 a Press key 3 RESTORE SHOT to begin the Restore Shot procedure The following menu displays 1 RESTORE SHOT 2 DIRECTORY 3 ERASE SHOT 4 RE SAVE SHOT TEST DIRECTORY SHOT NUMBER s TEST TYPE OPEN CLOSE SHOT DATE TIME 07 20 01 14 09 03 STATION CIRCUITI MFR MODEL SAN SHOT NUMBER 4 TEST TYPE OPEN SHOT DATE TIME 07 20 01 13 28 34 STATION CIRCUIT MFR MODEL S N SHOT MUMBER 2 TEST Tree DFEN SHOT DATE TIME 07 16 01 10 26 56 STATION CIRCUIT mer MODEL SAN SHOT NUMBER 1 TEST TYPE CLOSE SHOT DATE TIME 07 16 01 10 20 37
13. STATION CIRCUIT MER MODEL SAN Figure 7 0 Typical CT 3500 Shot Directory 15 Model CT 3500 Operating Procedures 5 9 Computer Interface Procedure The CT 3500 can store up to 128 timing records in the FLASH EEPROM These test reports can be transferred through the RS 232C port A window software package provided with the CT 3500 allows the user to transfer test report to the IBM PC Use the following steps to put the CT 3500 under computer interface mode a Accordingly Press key 2 SETUP on the Start Up Menu which will produce the SET UP MENU shown below SET UP MENU 1 ENTER ID 2 REVIEW SHOT 3 RESTORE SHOT 4 NEXT PAGE b Press key 4 NEXT PAGE to display the following options menu 1 COMPUTER CONTROL 2 SET TIME 3 SET 50 60 Hz c Press Key 1 COMPUTER CONTROL to control the CT 3500 from a remote IBM compatible PC The computer interface ITF mode advisory displays shown below go to the next step COMPUTER ITF MODE d From this point on for as long as this screen displays the CT 3500 is controlled by the PC To end the Computer Interface mode press the STOP key at which time the display will return to the START UP MENU section 5 4 5 10 Set Date and Time The date and time setting begins at the Set Up Menu shown below a Beginatthe START UP MENU Press key 2 SETUP to display the SET UP MENU shown below SET UP MENU 1 ENTER I
14. and Pin 3 4 220 to 240 Volts ac 42 CT 3500 Printer Paper The CT 3500 printer uses 2 5 inch wide thermal paper for printing test results We recommend that to maintain the highest guality printing and to avoid paper Jamming use paper supplied by our factory Paper can be ordered from two sources as follows Vanguard Instruments Co Inc 1710 Grevillea Court Ontario CA 91761 Tel 909 923 9390 Fax 909 923 9391 Part Number TP 3 Paper OR BG Instrument Co 13607 E Trent Avenue Spokane WA 99216 Tel 509 893 9881 Fax 509 893 9803 Part Number TP 3 paper 43 Test Cable Connections Typical connection of a CT 3500 to a circuit breaker is shown in Figure 2 0 Note Always connect CT 3500 ground to the substation ground before connect any hook up cables to the circuit breaker 4 3 1 Contact Cable Connection CT 3500 contact cable contains 3 red clips and one black clip The red clips are marked A B C for phase A B and C The black clip is common of the sense cable 4 3 2 Trigger Cable Connection Trigger cable contains 3 leads The leads are marked OPEN CLOSE COM The CT 3500 timers are started by sensing the OPEN or CLOSE coil voltages The trigger connection is shown in figure 3 0 Model CT 3500 Operating Procedures CONTACT CONTACTS Positive Trip Circuit Figure 2 0 CT 3500 Timing Hook Up Diagram OPEN CLOSE OPEN CLOSE GREEN 52a 52b WHITE GREEN 524 52b WHITE
15. case the save is confirmed by the next display see below If Key 2 NO is pressed the run test timing is completed and the display returns to the START UP menu SHOT NUMBER 01 HAS BEEN SAVED k When the shot number displays the shot is automatically numbered by the CT 3500 press ENTER the display returns to the START UP MENU This step completes the RUN TEST procedure TEST RESULTS DRTE OS ZB Ol TIME 08 11 59 COMPANY STATION VANGJARD ONTARIO ITE TREND LINE M 3210 102 KVA RATING OPERATOR CONTACT OPEN TIME TIME m CYCLE 60 Ha 34 90 2 09 30 30 33 70 1 81 2 0e DELTA TIME a5 Figure 5 0 A typical CT 3500 OPEN Test print out 11 Model CT 3500 Operating Procedures TEST RESULTS OATE 08 28 01 TINE 08 12 47 COMPANY VANGUARD STATION ONTARIO CIRCUIT MER ITE MODEL TREND LINE SN M 3210 102 KVA RATING 14 OPERATOR CONTACT OPEN TIME CH TIME CYCLE Cwm 60 Hz Gwm A 1632 70 97 96 0 00 B 168 30 397 71 4 20 C 1631 70 97 90 gt DELTA TIME tmS gt CONTACT LIVE TIME CH TIME CYCLE ma e0 Hz A 1460 90 87 65 n 1454 30 87 25 1459 70 07 58 Figure 6 0 A typical CT 3500 CLOSE OPEN Test print out a Press ENTER key to advance to the next Note display i e second stroke bounce time If the timing shot was a dual operation e g CLOSE OPEN the
16. display will display the test results first operation in this case CLOSE BOUNCE TIME CLOSE then the second operation OPEN A 32 10mS 1 92CY and finally time between the two operation B 00 90mS 0 05CY contact LIVE time C 14 80mS 0 88CY A typical CLOSE OPEN operation the first test results CLOSE is shown as follows b Press ENTER key to advance to the next display i e second stroke bounce time CLOSE mS CYCLEs A 171 80mS 10 30CY OPEN mS CYCLES B 174 20mS 10 45CY A 1632 80mS 97 96CY C 172 00mS 10 32CY B 1628 50mS 87 71CY C 1631 70mS 97 90CY Model CT 3500 Operating Procedures c Press ENTER key to advance to the next display i e second stroke bounce time OPEN BOUNCE TIME A 00 00mS 0 00CY 0 25CY 0 02CY B 04 20mS C 00 40mS d Press ENTER key to advance to the next three phase timing result display i e CONTACT LIVE TIME see below CONTACT LIVE TIME A 1460 90mS 87 65CY 87 25CY B 1454 30mS C 1459 70mS 87 58CY 5 6 Review Shot Procedure This procedure describes steps to review a test record residing in CT 3500 working memory The user can view the record on the LCD display or from a thermal printout NOTE To review a test record stored in Flash EEPROM the user must first restore test record from Flash EEPROM to working memory see paragraph 5 7 The Restore Recording Procedure steps begin at the Set Up Menu shown below SET UP MENU 1 ENTER ID 2 REVI
17. e Selections from the rest of the alpha numeric keys are done the same The 1 and O zero keys have no alpha functions When a character is entered and appears in the display at the cursor position the cursor is advanced to the next position by pressing the key or backed spaced by pressing the v key To delete a character press CLEAR When all character entries are selected press ENTER key to load the identity data in storage registers and go to the next prompt display d On the Set Up Menu press number 1 ENTER ID the prompt COMPANY displays see below COMPANY e Key select characters of the utility COMPANY name then press ENTER The STATION prompt appears STATION f Key select characters of the STATION name then press ENTER The CIRCUIT prompt appears CIRCUIT g Key select characters of the CIRCUIT name then press ENTER The MANUFACTURER prompt appears MANUFACTURER h Key select characters of the MANUFACTURER name then press ENTER key The MODEL prompt appears MODEL i Key select characters of the MODEL name then press ENTER key The SERIAL prompt appears SERIAL NUMBER j Key select characters of the SERIAL NUMBER then press ENTER The KVA RATING prompt appears KVA RATING k Key select characters of the KVA RATING then press ENTER The OPERATOR prompt appears OPERATOR I Key select characters of OPERATOR name then press ENTER key The display returns
18. ne 17 fan ten alpha numeric and 6 function keys momentary contact pushbuttons functions are ENTER START CLEAR STOP Up A and down v paper control pushbuttons used for test menu selections and data entries Contact cable connector 16 pin male Contact CONTACT cable contains 3 contact leads phase A B or 32 CT 3500 LCD Contrast Control 3 4 RS 232C Computer Interface port To Darken the LCD display press and hold An IBM PC software package is supplied the Paper Contrast switch for two with each CT 3500 allows the user to seconds to lighten the LCD display press retrieve test records stored in the CT 3500 and hold the Paper v Contrast switch for memory two seconds 3 3 CT 3500 Printer Control To advance printer paper press Paper Contrast switch once Paper will advance from printer Press Paper v Contrast switch once paper will advance backward from printer Model CT 3500 Operating Procedures 4 0 PRETEST SETUP 41 Operating Voltage Primary input power operating voltage is selectable between 90 to 120 Vac and 220 to 240 Vac Unless specified differently at the time of purchase the CT 3500 is configured to operate from a 90 to 120 Vac default input Changing jumper links on the primary power strip selects alternate refer to Table 3 voltage levels Table 3 Input Voltage Selection Jumper Configurations VOLTAGE SELECTION J1 JUMPERS 90 to 120 Volts ac Pin 1 2
19. ng Procedure steps begin at the Set Up Menu shown below SET UP MENU 1 ENTER ID 2 REVIEW SHOT 3 RESTORE SHOT 4 NEXT PAGE a Press key 3 RESTORE SHOT to begin the Restore Shot procedure The following menu displays 1 RESTORE SHOT 2 DIRECTORY 3 ERASE SHOT 4 RE SAVE SHOT b Press key 1 to select the Restore Shot function this displays the RESTORE SHOT menu shown below RESTORE SHOT 1 ENTER SHOT NUMBER 2 SCROLL TO SELECT c If the number of the shot to be restored is known press key number 1 ENTER SHOT NUMBER and go to next step if the number of the shot to be restored is not known press key number 2 SCROLL TO SELECT and skip forward to step e RESTORE SHOT NUMBER 1 d Key in the number of the shot to be restored and press ENTER Shot Restored displays see below after which the REVIEW DATA seguence begins go back to step b of section 5 6 to continue the RESTORE SHOT procedure to conclusion SHOT RESTORED e The SCROLL TO SELECT option 2 back in step c an instructional prompt displays see below SHOT DIRECTORY UP TO SCROLL FWD DWN TO SCROLL RVS Use the UP and DOWN keys to scroll through the saved shot records until the shot record of interest displays and then press ENTER Then the REVIEW DATA seguence begins go back to step b of section 5 6 and continue the RESTORE SHOT procedure to conclusion after which the STA
20. oint to each item in the figure Misuse of the CT 3500 can create serious with an index number cross referenced to a hazards and cause loss of data and functional description in Table 2 eguipment damage 1 2 3 4 120 240 Vac 18 60 60 Mz Puno 250Vac 2 Frst Biow anguard Instruments Co Inc Ontario Calitomia USA CT 3500 Digital Circuit Breaker Timer TRIGGER 300V MAX 5 6 PAPER wd dde 7 8 9 fw poro ruv luz Hasse WC STOP o Ja sor SERIAL 4 MADE IN U S A Figure 1 0 CT 3500 Controls and Indicators Model CT 35007M Operating Procedures Table 2 Functional Description of Controls and Indicators Fig 1 ADJACENT PANEL FUNCTIONAL DESCRIPTION ae MARKING TRIGGER Connector 5 pin male trigger input starts CT 300V MAX 3500 three timers leads are connected to breaker Trip and Close coils Trigger voltage ranges from 24 to 300 volts dc or peak ac Serial interface port connector 9 pin DB type lets CT 3500 be controlled by an IBM type PC PIN SIGNAL Tx Rx Signal Ground none Display 4 line by 20 character LCD backlit displays menus prompts and test result data 4 120 240 Vac 1A 50 60 Hz Input power plug and ON OFF rocker switch Threaded grounding stud 5 16 18 with wing nut Safety Ground Must be connected to station ground before hookup and testing Built in thermal printer prints test result data on 2 5 inch wide thermal no
21. power that the breaker controls when it s in service i e on line When either the 1 or 2 key is pressed the display returns to the Start Up Menu This ends the Set Line Frequency procedure 5 12 Cable Test Procedure The purpose of the Cable Test is to guickly check the test leads and breaker contacts for continuity at each of the 3 phase contacts For example a close test should begin with all contacts open conversely an open test should begin with all three contacts closed the closed condition also checks continuity of the test leads for opens or erroneous hookups When the test hookup is made to the breaker run a Cable Test to make sure all 3 test lead clips are properly connected contact clips are across mating contacts Begin with the Start Up Menu below START UP MENU 1 RUN TEST 05 15 01 2 SETUP 10 28 03 3 CABLE TEST a After test hookup to the breaker open the breaker and press key 3 Cable Test The display below shows the line status of each of three sets of contacts all three should show open CABLE TEST CHA CH B CH C OPEN OPEN OPEN ANY KEY TO EXIT b Press ENTER key to return to Start Up Menu c Set the breaker contacts to the closed condition and again press key 3 cable test on the Start Up Menu The display below shows the line status of each of three sets of contacts all three should show close CABLE TEST CHA CHB CHC CLOSE CLOSE CLOSE ANY KEY TO EXIT
22. recall references OPEN SHOT 07 12 01 15 25 48 d When date and time of test is noted press ENTER to advance to the next display timing results of each phase Timing results display in both milliseconds mS and decimal parts of a cycle CY OPEN mS CYCLES A 34 90mS 2 09CY B 30 39mS 1 81CY C 33 70mS 2 02CY e After the initial test time is displayed and observed press ENTER key to advance to the next display contact bounce time OPEN BOUNCE TIME A 0 00mS 0 00CY B 0 00mS 0 00CY C 0 00mS 0 00CY f When the three phase bounce time results display press ENTER key to advance to next display If the timing was a single stroke the next display will prompt PRINT TEST RESULTS PRINT RESULTS 1 YES 2 NO Model CT 3500 Operating Procedures g Press key 1 YES print test results if a timer results paper record is to be printed in which case the printing advisory below displays If YES go to the next step h Press key 2 NO don t print the test results to bypass the printing phase in which case the SAVE THIS SHOT prompt displays If NO go to step n PLEASE WAIT PRINTING i While the printer is printing no other action is reguired of the operator until printing is complete after which the SAVE THIS SHOT prompt displays see below SAVE THIS SHOT 1 YES 2 NO j Press key 1 YES to save the timing shot in memory for future reference in which
23. ts to be stored in a non volatile memory Operations do not reguire any conversion calculation written note or detailed list of steps to remember thus greatly reducing any chance of error by the operator The CT 3500 stores up to 128 timing test shot records in FLASH EEPROM memory Stored timing measurements and related data can be displayed and printed in the field or stored for later review analysis or printing A RS 232C serial interface port also provides for computer interface and diagnostic test 2 1 Functional Description CT 3500 s operation a timing shot is started by an input trigger e g a breaker s initiating control voltage which starts all 3 timers at the same instant Each timer independently stops after detecting each contact transition Besides measuring contact time each timer will also measure contact bounce time The timing results display in both milliseconds and cycles The cycle display is selectable between 50Hz or 60Hz The CT 3500 can be interfaced via an RS 232C interface port with a IBM compatible PC A software package supplied with the CT 3500 allows the user to retrieve the test data stored in the CT 3500 Flash EEPROM 2 2 Furnished Accessories The CT 3500 is supplied with the following accessories 1 One 15 ft Trigger Cable 2 One 15 ft Contact Cable 3 One 30 ft Extension Cable 4 One Grounding Cable 5 One Power Cord 6 One Cable Carrying Bag Model CT 3500
24. y of any test setup Ensure the safety of all personnel by checking first hand to eliminate every possible hazard Do Not Modify Test Eguipment Because of the added risk of introducing additional or unknown hazards do not install substitute parts or perform any unauthorized modification to the eguipment To ensure that designed safety features are maintained it is recommended that all eguipment repairs be performed at Vanguard Instruments Co or by an authorized repair service Unauthorized eguipment modifications can create unknown safety hazards and will void the warranty Follow Exact Operating Procedures Any deviation from operating procedures described in this manual may create one or more safety hazards damage the unit or cause test errors Vanguard Instruments Co assumes no liability for unsafe or improper use of this eguipment or for any collateral damage to other eguipment resulting from such misuse Model CT 35007M Operating Procedures Table of Contents LO INTRODDUEHON Ge 1 RARO la da 1 13 Supersedure NOUGE ri lella oi 1 20 GENERAL DESCRIPTION us iio do 1 2 T Functional Desc a elle Y ei Au OG 1 2 2 Furnished Accessories ss 1 30 61 3200 SPECIFICATION A GM RR 2 Al CONTROLS and INDICATORS 2 2 5 M OM dt rnt totu t ara 3 32 ET 00 EC Contrast Control s ug te etude top eee lin 4 did a Printer COLE 4 54 RS 232C Compu lter Interface Port 4 TU PRETESTSEIUP Lardal caorle 5 41 Operating Volare ia 5 42 C T
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