Summary of changes – Rockwell Automation 20G PowerFlex SCR Bus Supply User Manual
Page 3
PowerFlex SCR Bus Supply User Manual
Summary of Changes
The information below summarizes the changes made to this manual since
its last release (March 2011):
Description of Changes
Page
In Chapter 1 in the “1000A SCR Bus Supply Flexibility” section:
• Added information and a table at the beginning to show which conversions are possible
and which are not possible.
• In the “Converting Master Unit to Slave Unit” subsection, added new steps 3 and 4.
• Deleted subsection “Converting Slave Unit to Master Unit” subsection.
In Appendix A in the “Accessories” section:
• Changed Table A.A cat. numbers for rows 256…509, and added new row for 939…1K0.
• Changed Table A.B cat. numbers for rows 256…509, and added new row for 939…1K0.
• Changed Table A.C cat. numbers for rows 256…509, and added new row for 939…1K0.
• Changed Table A.D cat. numbers for rows 256…509, and added new row for 939…1K0.
In Appendix A in the “HF Filter” section:
• Added new HF Filter Wiring Diagram Figure A.5.
• Added new subsection “Solid Ground Systems.”
• Added new subsection “Non-Solid Ground Systems.”
In Appendix A in the “Spare Parts” section:
• Added Important statement above Figure A.8.
• Added new “Availability” column to Table A.E
• Added Important statement above Figure A.9.
• Added new “Availability” column to Table A.F
• Added Important statement above Figure A.10.
• Added new “Availability” column and new footnote 1 to Table A.G
• Added new Figure A.11 to show locations of precharge and gate drive boards for 1000A
unit.
In Appendix A, revised Input Ratings “Operational AC Input Voltage Range” for catalog
number 20SF1K0… from “269…759V” to “528…759V.”
Added new Appendix B.