Vanguard CT-7000 - Manual (Page 3)

CT-7000 Operating Instructions
II
Table of Contents
1.0 Introduction.................................................................................................................................1
2.0 CT-7000 Description..................................................................................................................1
2.1 Contact Timing Channels ..............................................................................................2
2.2 Analog Voltage Monitoring Channel................................................................................2
2.3 Digital Voltage Monitoring Channel.................................................................................2
2.4 Trip/Close Current Monitoring ........................................................................................2
2.5 Travel Transducer Input Channels.................................................................................2
2.6 Breaker Initiate Capability...............................................................................................2
2.7 Built-in Thermal Printer ..................................................................................................2
2.8 Computer Interface Capabilities.....................................................................................2
2.9 Timing Shots Storage Capabilities.................................................................................3
2.10 Breaker Test Plan Storage Abilities .............................................................................3
2.11 Diagnostic Capabilities.................................................................................................3
2.12 CT-7000 Display and Control Switches.......................................................................3
3.0 Test Result Tabulation ...............................................................................................................4
3.1 Electrical Measurement Results ....................................................................................4
3.2 Mechanical Measurement Results.................................................................................4
3.3 Analog Voltage Input Results .........................................................................................4
3.4 Digital Voltage Input Results ..........................................................................................5
3.5 Initiate Current Results...................................................................................................5
3.6 Slow-Close Test Results ...............................................................................................5
4.0 Test Result Graphics .................................................................................................................5
4.1 Thermal Printer Graphic Printout ...................................................................................5
4.2 Ink-jet Printer Output ......................................................................................................5
5.0 CT-7000 Controls and Display...................................................................................................6
6.0 CT-7000 Analyzer Specifications...............................................................................................8
7.0 CT-7000 Special Features .........................................................................................................9
7.1 CT-7000 Supplied Cables ..............................................................................................9
7.2 CT-7000 Operating Voltages .......................................................................................10
7.3 CT-7000 Main Power Fuse..........................................................................................10
7.4 CT-7000 Printer and Printer Paper ..............................................................................10
7.5 CT-7000 Printer Paper Control ....................................................................................11
7.6 Replacing CT-7000 Thermal Paper.............................................................................11
7.7 CT-7000 LCD Contrast Control ...................................................................................11
8.0 Test Hook-up Connections ......................................................................................................12
8.1 Contact Cable Hookup .................................................................................................12
8.2 Initiate Cable Hookup....................................................................................................14
8.3 Analog Voltage Monitor Hookup....................................................................................15
8.4 Digital Voltage Monitor Hookup.....................................................................................15
8.5 External Trigger Input ...................................................................................................16
8.6 Transducer Connection ...............................................................................................17
9.0 Operating Procedures..............................................................................................................18
9.1 Timing a Circuit Breaker ..............................................................................................19
9.1.1 Timing an OPEN Operation With No Insertion Resistors.........................................20
9.1.2 Timing an OPEN Operation With Insertion Resistors ..............................................21
9.1.3 Timing CLOSE-OPEN Operation Using Contact Channel #1..................................22
9.1.4 Timing OPEN-CLOSE-OPEN Operation .................................................................24