Unitek UB2, Руководство по эксплуатации, техническому обслуживанию и ремонту

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UNIBOND
®
II POWER SUPPLY
990-050 v
Contents
Revision Record................................................................................................................................. ii
Foreword ............................................................................................................................................ iii
Safety Notes ....................................................................................................................................... iv
Chapter 1: System Description ...................................................................................................... 1-1
Section I: System Features ...................................................................................................... 1-1
Description............................................................................................................................. 1-1
Features ............................................................................................................................ 1-1
Physical
Description ........................................................................................................ 1-1
Optional Meter Assembly ................................................................................................ 1-2
Section II: Specifications and Functional Description ............................................................. 1-3
Feedback Modes .................................................................................................................... 1-3
Output .................................................................................................................................... 1-3
Rise Time ............................................................................................................................... 1-3
Maximum Output Current...................................................................................................... 1-3
Maximum Secondary Loop Resistance ................................................................................. 1-3
Repetition Rate ...................................................................................................................... 1-4
Line/Load Regulation ............................................................................................................ 1-4
Accuracy ................................................................................................................................ 1-4
Voltage
Feedback Mode ........................................................................................................ 1-4
V Current Feedback Mode........................................................................................ 1-4
How it Works................................................................................................................... 1-5
Weld Resistance Compensation............................................................................................. 1-7
Weld Fire Lockout Feature .................................................................................................... 1-7
Overload Protection Feature .................................................................................................. 1-7
Section III: Controls and Indicators ........................................................................................... 1-8
Meter Accuracy...................................................................................................................... 1-10
Section IV: General Considerations........................................................................................... 1-11
Output Circuit ........................................................................................................................ 1-12
How the Feedback Loop Determines Output Impedance ...................................................... 1-13
Chapter 2: Getting Started ............................................................................................................ 2-1
Unpacking .............................................................................................................................. 2-1
Connections
and Set-up ......................................................................................................... 2-1
Connecting the Unibond II for Proper Line Voltage ....................................................... 2-1
Connect the Output Transformer ..................................................................................... 2-1