
DigiTMR S2TMDIGITAL CIRCUIT BREAKER ANALYZER USER’S MANUAL Vanguard Instruments Company, Inc.1520 S. Hellman Ave. Ontario, California 91761
DIGITMR S2 USER’S MANUAL REV 1 5 1.2 Operational Modes 1.2.1. “On-Line” Mode In “On-Line” mode, the trip/close time is derived from the time of trip,
DIGITMR S2 USER’S MANUAL REV 1 95 e. The following screen will be displayed listing the first test plan: Press the [∧] or [∨] key to scroll through
REV 1 DIGITMR S2 USER’S MANUAL 96 3.11.3. Printing the Breaker Test Plan Directory Follow the steps below to print a directory of all the test
DIGITMR S2 USER’S MANUAL REV 1 97 e. The test plan directory will be printed, and you will be returned to the “START-UP” menu. A sample test plan pri
REV 1 DIGITMR S2 USER’S MANUAL 98 3.12 Setting Up Analysis Points Analysis points are used to calculate the average contact velocity through t
DIGITMR S2 USER’S MANUAL REV 1 99 c. The following screen will be displayed: Press the [1] key (OPEN TIMING) NOTE If you would like to see the curr
REV 1 DIGITMR S2 USER’S MANUAL 100 e. The following screen will be displayed: Press the [ENTER] key to accept the value displayed or type a d
DIGITMR S2 USER’S MANUAL REV 1 101 g. The following screen will be displayed: Press the [ENTER] key to accept the value displayed or type the new va
REV 1 DIGITMR S2 USER’S MANUAL 102 3.12.2. Setting Up the CLOSE Analysis Points Follow the steps below to setup the CLOSE analysis points: a.
DIGITMR S2 USER’S MANUAL REV 1 103 e. The following screen will be displayed: Press the [ENTER] key to accept the value displayed or type a differen
REV 1 DIGITMR S2 USER’S MANUAL 104 4.0 GLOSSARY OF TERMS Breaker Bounce-Back Distance Bounce-back is the distance the breaker contact moves be
REV 1 DIGITMR S2 USER’S MANUAL 6 1.3 Technical Specifications Table 1. DigiTMR S2 Technical Specifications TYPE Circuit-breaker analyzer PHYSI
DIGITMR S2 USER’S MANUAL REV 1 105 5.0 DIGITMR S2 TROUBLE-SHOOTING GUIDE PROBLEM DESCRIPTION Possible Causes and Suggested Solutions The DigiTMR S2
REV 1 DIGITMR S2 USER’S MANUAL 106 No “PASS” or “FAIL” indicators on the tabulated report. • Test plan was not loaded before performing a test
DIGITMR S2 USER’S MANUAL REV 1 107 APPENDIX Appendix A. ITE Circuit Breaker Model 14.4K Timing Chart AP2 = 3.5”AP1 = 1.5”
REV 1 DIGITMR S2 USER’S MANUAL 108 Appendix B. DigiTMR S2 Test Plan for ITE Circuit Breaker Model 14.4K
DIGITMR S2 USER’S MANUAL REV 1 109 Appendix C. DigiTMR S2 Timing Chart for ITE Circuit Breaker Model 14.4K
REV 1 DIGITMR S2 USER’S MANUAL 110 Appendix D. DigiTMR S2 Timing Chart for ITE Circuit Breaker Model 14.4K
DIGITMR S2 USER’S MANUAL REV 1 111 Appendix E. Timing Chart and Plan for Siemens Type SPS2, 121 Circuit Breaker
REV 1 DIGITMR S2 USER’S MANUAL 112 Appendix F. DigiTMR S2 Compatible Transducers and Transducer Adapters ABB AHMA-8 Mechanism Transducer ABB
DIGITMR S2 USER’S MANUAL REV 1 113 Figure 26. Linear Transducer on an OCB Figure 27. Rotary Transducer on Alstom HE 1014 Circuit Breaker
REV 1 DIGITMR S2 USER’S MANUAL 114 Figure 28. Rotary Transducer on ABB HMB Mech Figure 29. Westinghouse SFA Transducer Installation
DIGITMR S2 USER’S MANUAL REV 1 7 1.4 DigiTMR S2 Controls and Indicators The DigiTMR S2’s controls and indicators are shown in Figure 1 below. The pur
DIGITMR S2 USER’S MANUAL REV 1 115 Figure 30. ABB 72PM Circuit Breaker with Linear Transducer and Special Timing Rod Figure 31. Rotary Transducer on
REV 1 DIGITMR S2 USER’S MANUAL 116 Figure 32. Rotary Transducer on Federal Pacific Breaker Figure 33. Linear Transducer on Mitsubishi 500-SFM
DIGITMR S2 USER’S MANUAL REV 1 117 Figure 34. Linear Transducer on Areva DT1-72.5F
1520 S. Hellman Ave • Ontario, CA 91761 • USA Phone: 909-923-9390 • Fax: 909-923-9391 www.vanguard-instruments.com Co
REV 1 DIGITMR S2 USER’S MANUAL 8 2.0 PRE-TEST SETUP 2.1 Operating Voltages The DigiTMR S2 operates on voltages between 100-240 Vac, 50/60 Hz. 2
DIGITMR S2 USER’S MANUAL REV 1 9 2.5 Replacing the Thermal Printer Paper The roll of thermal paper is housed inside a dispenser underneath the printe
REV 1 DIGITMR S2 USER’S MANUAL 10 3.0 OPERATING PROCEDURES 3.1 Configuring the VCBA S2 Software for use with the DigiTMR S2 The DigiTMR S2 can
DIGITMR S2 USER’S MANUAL REV 1 11 f. Launch the VCBA S2 application. From the “Sys-Config” menu, select “System Setup…”. The following window will be
REV 1 DIGITMR S2 USER’S MANUAL 12 3.2 Connecting the DigiTMR S2 to a PC via Bluetooth The DigiTMR S2 can also be connected wirelessly to a PC
DIGITMR S2 USER’S MANUAL REV 1 13 The DigiTMR S2 will be listed as “DigiTmr S/N” where S/N is the device’s serial number. Click on the icon for the Di
REV 1 DIGITMR S2 USER’S MANUAL 14 Click on the “Finish” button. g. The DigiTMR S2 will now be displayed in the “My Bluetooth Places” window:
DIGITMR S2 USER’S MANUAL REV 1 i SAFETY SUMMARY FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in this User’s Manual ma
DIGITMR S2 USER’S MANUAL REV 1 15 For Windows 7: a. Make sure the DigiTMR S2 is turned on. Then double click on the Bluetooth system tray icon (on th
REV 1 DIGITMR S2 USER’S MANUAL 16 c. All nearby Bluetooth devices will be listed: The DigiTMR S2 will be listed as “DigiTmr S/N” where S/N is
DIGITMR S2 USER’S MANUAL REV 1 17 e. The following window will be displayed: Type the word “default” (without the quotes and in all lower-case) in t
REV 1 DIGITMR S2 USER’S MANUAL 18 g. The DigiTMR S2 will now be listed under “Bluetooth Devices”: Right click on the DigiTmr icon and select
DIGITMR S2 USER’S MANUAL REV 1 19 Note the port number listed after the device name (COM23 in the above example). Follow the directions in section Err
REV 1 DIGITMR S2 USER’S MANUAL 20 3.3 DigiTMR S2 Cable Connections 3.3.1. Contact Cable Connections A typical contact cable connection to a c
DIGITMR S2 USER’S MANUAL REV 1 21 3.3.2. Initiate Cable Connections The DigiTMR S2 will trip or close breakers through a solid-state device which wil
REV 1 DIGITMR S2 USER’S MANUAL 22 Figure 4. DC Trip and AC Close Initiate Circuit Cable Connections
DIGITMR S2 USER’S MANUAL REV 1 23 3.3.3. Analog and Digital Voltage Monitor Connections The analog voltage input “V1” is dedicated to monitoring a br
REV 1 DIGITMR S2 USER’S MANUAL 24 3.3.4. External Trigger Input Connections The External Trigger Mode can be used to start recording when the
REV 1 DIGITMR S2 USER’S MANUAL ii TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENT ...
DIGITMR S2 USER’S MANUAL REV 1 25 Figure 7. External Trigger on a Close Operation Less 52Y Delay Time
REV 1 DIGITMR S2 USER’S MANUAL 26 3.3.5. AC Current Sensor Connection The DigiTMR S2 can sense a breaker’s bushing current by using a clamp-on
DIGITMR S2 USER’S MANUAL REV 1 27 3.3.6. Transducer Connections A typical transducer connection is shown in Figure 9. See Appendix F for additional tr
REV 1 DIGITMR S2 USER’S MANUAL 28 The DigiTMR S2 can also be connected to a resistor type transducer such as the ABB AHMB (see Figure 10 and Fi
DIGITMR S2 USER’S MANUAL REV 1 29 The DigiTMR S2 can also be connected to Doble linear and rotary transducers using the optional Vanguard Doble Transd
REV 1 DIGITMR S2 USER’S MANUAL 30 3.4 General Procedures and Configuration The main steps for timing a circuit breaker are listed in Figure 14
DIGITMR S2 USER’S MANUAL REV 1 31 3.4.1. Setting the Interface Language Follow the steps below to set the interface language (English, Spanish, or Tu
REV 1 DIGITMR S2 USER’S MANUAL 32 Press any key to return to the “START-UP” menu. ENGLISH SET
DIGITMR S2 USER’S MANUAL REV 1 33 3.4.2. Setting the Measurement Units The DigiTMR S2 supports both English and Metric calculations from the breaker’
REV 1 DIGITMR S2 USER’S MANUAL 34 2. METRIC Press the [2] key (METRIC) for Metric measurement units. The measurement units will be set to Metr
DIGITMR S2 USER’S MANUAL REV 1 iii TABLE OF CONTENTS (continued) 3.9.1. Printing the Tabulated Test Results ...
DIGITMR S2 USER’S MANUAL REV 1 35 If the value displayed is not correct, press the [CLEAR] key, and then type the desired value using the keypad. Pre
REV 1 DIGITMR S2 USER’S MANUAL 36 3.4.3. Setting the DigiTMR S2’s Internal Clock The DigiTMR S2 has an internal clock with a lithium battery.
DIGITMR S2 USER’S MANUAL REV 1 37 e. The following screen will be displayed: Type the time (in 24-hour format) using the keypad. The date and time w
REV 1 DIGITMR S2 USER’S MANUAL 38 3.4.4. Entering Test Record Header Information You can enter the test record header information before perfo
DIGITMR S2 USER’S MANUAL REV 1 39 d. The following screen will be displayed: Type the station name using the keypad and then press the [ENTER] key.
REV 1 DIGITMR S2 USER’S MANUAL 40 h. The following screen will be displayed: Type the circuit breaker’s serial number using the keypad and th
DIGITMR S2 USER’S MANUAL REV 1 41 3.4.5. Setting the Frequency Follow the steps below to set the frequency (50 or 60 Hz): a. Start from the “START-U
REV 1 DIGITMR S2 USER’S MANUAL 42 Press any key to return to the “START-UP” menu. 60 HZ SET
DIGITMR S2 USER’S MANUAL REV 1 43 3.4.6. Setting the Default Printing Mode The DigiTMR S2 can be configured to either print the test results automati
REV 1 DIGITMR S2 USER’S MANUAL 44 1. AUTOMATIC PRINT Press the [1] key (AUTOMATIC PRINT) if you would like reports to be printed automatically
REV 1 DIGITMR S2 USER’S MANUAL iv LIST OF FIGURES (continued) Figure 16. Typical Tabulated Test Results Printout of an OPEN Operation ...
DIGITMR S2 USER’S MANUAL REV 1 45 3.5 Timing Breakers in On-line Mode In On-line mode, the DigiTMR S2 can only provide OPEN or CLOSE times using the
REV 1 DIGITMR S2 USER’S MANUAL 46 3.7 Performing Timing Tests 3.7.1. Timing an OPEN Operation With No Insertion Resistors To time an OPEN ope
DIGITMR S2 USER’S MANUAL REV 1 47 Press any key on the keypad and you will be returned to the “START-UP” menu. Re-start at step a. 2. CONTINUE (NO S
REV 1 DIGITMR S2 USER’S MANUAL 48 h. The following screen will be displayed: Press the [1] key (Internal Trigger) to select the internal trig
DIGITMR S2 USER’S MANUAL REV 1 49 NOTE The DigiTMR S2 can be configured to print tabulated and graphic reports automatically after a test is complete
REV 1 DIGITMR S2 USER’S MANUAL 50 3.7.2. Timing an OPEN Operation WITH Insertion Resistors The DigiTMR S2 can time breakers with insertion res
DIGITMR S2 USER’S MANUAL REV 1 51 d. The following screen will be displayed: Press the [1] key (WINDOW = 1 SEC) to select the 1-second timing window
REV 1 DIGITMR S2 USER’S MANUAL 52 h. The following screen will be displayed during testing: Continue to hold down the [ARM] switch until the
DIGITMR S2 USER’S MANUAL REV 1 53 3.7.3. Timing a CLOSE-OPEN Operation Using Contact Channel #1 The CLOSE-OPEN operation of a breaker simulates a con
REV 1 DIGITMR S2 USER’S MANUAL 54 e. The following screen will be displayed: Press the [4] key (C-O) to select the CLOSE-OPEN timing operatio
DIGITMR S2 USER’S MANUAL REV 1 1 CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions: • A key or switch on the DigiTMR S2
DIGITMR S2 USER’S MANUAL REV 1 55 Press and hold down the [ARM] switch, and then press the [START] key. Continue to hold down the [ARM] switch. h. Th
REV 1 DIGITMR S2 USER’S MANUAL 56 3.7.4. Timing an OPEN-CLOSE-OPEN Operation To time an OPEN-CLOSE-OPEN operation: a. Start from the “START-UP
DIGITMR S2 USER’S MANUAL REV 1 57 e. The following screen will be displayed: Press the [5] key (O-C-O) to select the OPEN-CLOSE-OPEN timing operatio
REV 1 DIGITMR S2 USER’S MANUAL 58 i. The following screen will be displayed during testing: Continue to hold down the [ARM] switch until the
DIGITMR S2 USER’S MANUAL REV 1 59 3.8 Performing Diagnostic Tests 3.8.1. Performing a Slow-Close Test The DigiTMR S2 offers a unique feature called
REV 1 DIGITMR S2 USER’S MANUAL 60 d. The following screen will be displayed: Manually close the breaker. As each contact is closed, the scree
DIGITMR S2 USER’S MANUAL REV 1 61 Figure 15. Typical "Slow-Close" Test Results Printout
REV 1 DIGITMR S2 USER’S MANUAL 62 3.8.2. Performing a Transducer Self-Test The transducer electronics can be checked by connecting the transdu
DIGITMR S2 USER’S MANUAL REV 1 63 3.8.3. Checking Cable Hookups To check the cable hookups: a. Start from the “START-UP” menu: Press the [4] key (D
REV 1 DIGITMR S2 USER’S MANUAL 64 NOTE A contact closure is shown as “C” on the screen and on the printout. An open contact is shown as “-” on
REV 1 DIGITMR S2 USER’S MANUAL 2 1.0 INTRODUCTION 1.1 General Description and Features The Vanguard DigiTMR S2 is an inexpensive, easy to use
DIGITMR S2 USER’S MANUAL REV 1 65 3.9 Printing Test Results After a timing test has been performed, the test results can be printed in graphical or t
REV 1 DIGITMR S2 USER’S MANUAL 66 d. The following screen will be displayed while the results are being printed: A typical tabulated test res
DIGITMR S2 USER’S MANUAL REV 1 67 Figure 16. Typical Tabulated Test Results Printout of an OPEN Operation
REV 1 DIGITMR S2 USER’S MANUAL 68 Table 2. Descriptions of Tabulated Test Results Elements Item Number Description 1 Contact time shown in both
DIGITMR S2 USER’S MANUAL REV 1 69 3.9.2. Printing the Graphic Test Results To print the graphic test results from the last test performed: a. Start
REV 1 DIGITMR S2 USER’S MANUAL 70 c. The following screen will be displayed while the graph is being printed: Figure 17 shows a CLOSE timing
DIGITMR S2 USER’S MANUAL REV 1 71 Figure 17. Typical Graphic Test Results Printout Digital Voltage Channel V2 Analog Voltage Channel V1 Initiate Curr
REV 1 DIGITMR S2 USER’S MANUAL 72 Figure 18. Expansion Graph from 0 to 200 ms Analysis Point #1 Analysis Point #2
DIGITMR S2 USER’S MANUAL REV 1 73 Figure 19. Graphic Interpretation of an OPEN Timing Shot Figure 20. Graphic Interpretation of a CLOSE Timing Shot
REV 1 DIGITMR S2 USER’S MANUAL 74 Figure 21. Graphic Interpretations of OPEN-CLOSE and CLOSE-OPEN Timing Shots
DIGITMR S2 USER’S MANUAL REV 1 3 Contact Timing Inputs Dry-contact input channels are used for timing circuit-breaker contacts. Each contact input cha
DIGITMR S2 USER’S MANUAL REV 1 75 3.10 Working with Timing Shots 3.10.1. Saving Timing Shots After performing a test, the test shot can be saved in
REV 1 DIGITMR S2 USER’S MANUAL 76 d. The following screen will be displayed: Press the [ENTER] key to continue. If a USB Flash drive is conne
DIGITMR S2 USER’S MANUAL REV 1 77 The following screen will be displayed when the shot has been saved: Press any key to return to the “START-UP” menu
REV 1 DIGITMR S2 USER’S MANUAL 78 3.10.2. Printing a Timing Shot Directory A listing of all the shots stored in the DigiTMR S2’s EEPROM or on a
DIGITMR S2 USER’S MANUAL REV 1 79 1. INTERNAL DIRECTORY Press the [1] key (INTERNAL DIRECTORY) to print a directory of test shots stored in the unit’
REV 1 DIGITMR S2 USER’S MANUAL 80 Figure 22. Typical Thumb Drive Shot Directory Printout Figure 23. Typical Internal Shot Directory Printout
DIGITMR S2 USER’S MANUAL REV 1 81 3.10.3. Restoring a Test Shot Use the steps below to restore a test record from the DigiTMR S2’s internal Flash EEP
REV 1 DIGITMR S2 USER’S MANUAL 82 d. The following screen will be displayed: 1. INTERNAL STORAGE Press the [1] key (INTERNAL STORAGE) to res
DIGITMR S2 USER’S MANUAL REV 1 83 e. The following screen will be displayed: Using the numeric keypad, type the shot number that you would like to r
REV 1 DIGITMR S2 USER’S MANUAL 84 3.10.4. Erasing Timing Shots Use the steps below to erase (delete) timing shots from the DigiTMR’s EEPROM or
REV 1 DIGITMR S2 USER’S MANUAL 4 Computer Interface One USB interface port and one optional Bluetooth interface is available for computer-contr
DIGITMR S2 USER’S MANUAL REV 1 85 d. The following screen will be displayed: 1. ERASE INTERNAL REC Press the [1] key (ERASE INTERNAL REC) if you wo
REV 1 DIGITMR S2 USER’S MANUAL 86 Press any key to continue. The following screen will be displayed allowing you to continue deleting addition
DIGITMR S2 USER’S MANUAL REV 1 87 Press any key to return to the “START-UP” menu. e. The following screen will be displayed: 1. ERASE SINGLE SHOT
REV 1 DIGITMR S2 USER’S MANUAL 88 Press any key to return to the “START-UP” menu. 2. ERASE ALL SHOTS! Press the [2] key (ERASE ALL SHOTS!) to
DIGITMR S2 USER’S MANUAL REV 1 89 3.10.5. Copying Test Shots to a USB Flash Drive Use the steps below to copy one or all test records from the unit’s
REV 1 DIGITMR S2 USER’S MANUAL 90 1. COPY SINGLE RECORD Press the [1] key (COPY SINGLE RECORD) to copy a single test record from the unit’s Fl
DIGITMR S2 USER’S MANUAL REV 1 91 3.11 Working with Breaker Test Plans A breaker test plan is comprised of all circuit-breaker performance specificat
REV 1 DIGITMR S2 USER’S MANUAL 92 3.11.1. Recalling a Breaker Test Plan You can recall a test plan to the working memory by using the steps be
DIGITMR S2 USER’S MANUAL REV 1 93 e. The following screen will be displayed showing the details of the first test plan stored in the unit: NOTE If
REV 1 DIGITMR S2 USER’S MANUAL 94 3.11.2. Printing a Breaker Test Plan To print a breaker test plan: a. Start from the “START-UP” menu: Press
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