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Rockwell Automation Allen-Bradley PowerFlex 20P Hardware Service Manual

Rockwell Automation Allen-Bradley PowerFlex 20P
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Rockwell Automation Publication 20P-TG002B-EN-P - February 2018 5
Table of Contents
Pulse Transformer and Switching Power Supply Circuit Boards
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Remove the Pulse Transformer and Switching Power Supply
Circuit Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Configure the Pulse Transformer Circuit Board. . . . . . . . . . . . . . 69
Install the Pulse Transformer and Switching Power Supply
Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Field Circuit Fuses Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Remove the Field Circuit Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Install the Field Circuit Fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Field Circuit Board Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Remove the Field Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Install the Field Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Field SCR and Dual Diode Modules Replacement . . . . . . . . . . . . . . . 77
Remove the Field SCR and Dual Diode Modules. . . . . . . . . . . . . 77
Install the Field SCR and Dual Diode Modules . . . . . . . . . . . . . . 77
AC Line Snubber Circuit Board and Resistors Replacement . . . . . . 78
Remove the AC Line Snubber Circuit Board and Resistors. . . . 78
Install the AC Line Snubber Circuit Board and Resistors . . . . . 80
SCR Modules Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Remove the SCR Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Install the SCR Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
AC Current Transducers Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . 90
Remove the AC Current Transducers . . . . . . . . . . . . . . . . . . . . . . . 90
Install the AC Current Transducers. . . . . . . . . . . . . . . . . . . . . . . . . 93
Bimetal Thermostats Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Remove the Bimetal Thermostats . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Install the Bimetal Thermostats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Cooling Fan Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Remove the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Install the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Chapter 4
Start-Up After Repair Test With the Motor, Without a Mechanical Load . . . . . . . . . . . . . 103
Appendix A
Schematics List of Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Appendix B
Circuit Board Layouts and
Connections
List of Circuit Board Layouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Pulse Transformer Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Switching Power Supply Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Field Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

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Rockwell Automation Allen-Bradley PowerFlex 20P Specifications

General IconGeneral
BrandRockwell Automation
ModelAllen-Bradley PowerFlex 20P
CategoryDC Drives
LanguageEnglish

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