Vanguard EZCT-S2A User Manual
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REV 1 EZCT S2A 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
Furnished Accessories ...................................................................................................... 3
1.3
Technical Specifications ................................................................................................... 4
1.4
EZCT S2A Controls and Indicators .................................................................................... 5
2.0
PRE-TEST SETUP ................................................................................................................... 7
2.1
Operating Voltages .......................................................................................................... 7
2.2
LCD Screen Contrast Control ............................................................................................ 7
2.3
Printer Paper Control ....................................................................................................... 7
2.4
Printer Paper .................................................................................................................... 7
3.0
OPERATING PROCEDURES ................................................................................................... 9
3.1
EZCT S2A Cable Connections ........................................................................................... 9
3.2
Performing Tests ............................................................................................................ 11
3.2.1.
Entering Test Record Header Information ............................................................. 11
3.2.2.
Performing Excitation and Ratio Tests ................................................................... 14
3.3
Working With Test Records ........................................................................................... 24
3.3.1.
Restoring and Printing a Test Record From Flash EEPROM ................................... 24
3.3.2.
Restoring and Printing a Test Record From a USB Flash Drive .............................. 29
3.3.3.
Printing a Restored Test Record ............................................................................. 32
3.3.4.
Printing a Directory of Test Records Stored in the EZCT S2A’s Memory ............... 34
3.3.5.
Erasing Test Records From the Flash EEPROM ...................................................... 37
3.3.6.
Erasing Test Records From a USB Flash Drive ........................................................ 40
3.4
Working With Test Plans ................................................................................................ 43
3.4.1.
Extracting the Test Plan From a Test Record ......................................................... 43
3.4.2.
Printing a Directory of Test Plans Stored in the EZCT S2A’s Memory .................... 45
3.4.3.
Printing a Directory of Test Plans Stored in a USB Flash Drive .............................. 47
3.4.4.
Printing a Test Plan ................................................................................................. 49
3.4.5.
Erasing Test Plans From the Flash EEPROM ........................................................... 51
3.4.6.
Erasing Test Plans From a USB Flash Drive ............................................................. 54
3.4.7.
Loading a Test Plan from the EZCT S2A’s Flash EEPROM ....................................... 57
3.4.8.
Loading a Test Plan from a USB Flash Drive ........................................................... 59
3.4.9.
Running a Test Using a Loaded Test Plan ............................................................... 61
3.4.10.
Unloading a Test Plan from the Working Memory ................................................ 66
4.0
CHANGING SETUP PARAMETERS ....................................................................................... 67
4.1
Setting the Knee Point Marker ...................................................................................... 67
4.2
Enabling and Disabling the Buried CT in Transformer Delta Option ............................. 70
4.2.1.
Enabling the Buried CT in Transformer Delta Option............................................. 70
4.2.2.
Disabling the Buried CT in Transformer Delta Option ............................................ 71
4.3
Setting the Clock ............................................................................................................ 75
4.4
Printing Raw Memory Buffer Data ................................................................................. 76
5.0
DIAGNOSTICS, VERIFICATION, AND TROUBLESHOOTING ................................................. 78