Vanguard DigiTMR - Manual (Page 3)

REV 3 DIGITMR USER’S MANUAL
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TABLE OF CONTENTS
CONVENTIONS USED IN THIS DOCUMENT ..................................................................................... 1
1.0 INTRODUCTION .................................................................................................................... 2
1.1 General Description and Features ................................................................................... 2
1.2 Operational Modes .......................................................................................................... 6
1.2.1. Quick-Shot Mode ...................................................................................................... 6
1.2.2. Time-versus-Travel Circuit Breaker Analyzer Mode ................................................. 6
1.3 Supplied Cables ................................................................................................................ 6
1.4 Technical Specifications ................................................................................................... 7
1.5 DigiTMR Controls and Indicators ..................................................................................... 8
2.0 PRE-TEST SETUP ................................................................................................................. 10
2.1 Operating Voltages ........................................................................................................ 10
2.2 Main Power Fuse ........................................................................................................... 10
2.3 LCD Screen Contrast Control .......................................................................................... 10
2.4 Printer Paper Control ..................................................................................................... 11
2.5 Printer Paper .................................................................................................................. 11
3.0 OPERATING PROCEDURES ................................................................................................. 12
3.1 DigiTMR Cable Connections ........................................................................................... 12
3.1.1. Contact Cable Connections .................................................................................... 12
3.1.2. Initiate Cable Connections ..................................................................................... 13
3.1.3. Analog and Digital Voltage Monitor Connections .................................................. 15
3.1.5. AC Current Sensor Connection ............................................................................... 17
3.1.6. Transducer Connection .......................................................................................... 18
3.2 General Procedures ....................................................................................................... 19
3.3 Timing Breakers in Quick-Shot Mode ............................................................................ 19
3.4 Timing Breakers in Time-Travel Mode ........................................................................... 20
3.5 Performing Timing Tests ................................................................................................ 21
3.5.1. Timing an OPEN Operation With No Insertion Resistors ....................................... 21
3.5.2. Timing an OPEN Operation WITH Insertion Resistors ............................................ 24
3.5.3. Timing a CLOSE-OPEN Operation Using Contact Channel #1 ................................. 26
3.5.4. Timing an OPEN-CLOSE-OPEN Operation ............................................................... 28
3.6 Performing Diagnostic Tests .......................................................................................... 30
3.6.1. Performing a Slow-Close Test ................................................................................. 30
3.6.2. Performing a Transducer Self-Test ......................................................................... 32
3.6.3. Checking Cable Hookups ........................................................................................ 33
3.7 Printing Test Results ...................................................................................................... 34
3.7.1. Printing the Tabulated Test Results ....................................................................... 34
3.7.2. Printing the Graphic Test Results ........................................................................... 37
3.8 Working with Timing Shots ............................................................................................ 43
3.8.1. Saving Timing Shots in the DigiTMR’s EEPROM ..................................................... 43
3.8.2. Printing a Timing Shot Directory of Shots Stored in the EEPROM ......................... 45
3.8.3. Recalling a Timing Shot From the DigiTMR’s EEPROM .......................................... 47