Vanguard PCI-600 - Manual (Page 3)

REV 2 PCI-600 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 PCI-600 Technical Specifications ...................................................................................... 3
1.3 Controls and Indicators .................................................................................................... 4
2.0 OPERATING PROCEDURES ................................................................................................... 6
2.1 Functional Description ..................................................................................................... 6
2.1.1. AC Current Source .................................................................................................... 6
2.1.2. Current Output Control ............................................................................................ 6
2.1.3. Timer Stop Input and Control ................................................................................... 7
2.1.4. External Current Input .............................................................................................. 8
2.1.5. LCD Contrast Control ................................................................................................ 8
2.2 Performing Tests .............................................................................................................. 9
2.2.1. Testing the Open Time Delay of a Protection Relay ........................................................ 9
2.2.2. Measuring Current Transformer Primary and Secondary Currents .............................. 11
LIST OF TABLES
Table 1. PCI-600 Technical Specifications ....................................................................................... 3
Table 2. Functional Descriptions of PCI-600 Controls and Indicators ............................................ 5
Table 3. Current Output vs. Time .................................................................................................... 6
LIST OF FIGURES
Figure 1. PCI-600 Controls and Indicators ...................................................................................... 4