Rockwell Automation 20Y PowerFlex 700H, 700S, and 700AFE Drive Fan Systems, Frames 9...14 - Manual (Page 257)

Rockwell Automation Publication PFLEX-IN029B-EN-P - August 2014 257
PowerFlex 700H and 700S Diagnostic Procedures Appendix A
Fan Inverter System Block
Diagrams AC Fan Inverter System
The AC fan inverter system is summarized in the following block diagram.
DC Fan System
The DC fan system is summarized in the following block diagram.
PowerFlex 700H and PowerFlex 700S Drives
The frame size for PowerFlex 700H and PowerFlex 700S drives determines the
number of fan systems, as listed here:
• Frame 9 drives - one fan system
• Frame 10 drives - two fan systems
• Frame 11 drives - three fan systems
• Frame 12 drives - four fan systems, where the topology is parallel frame 10
drives
+/- DC Bus
Fuse
ASIC Circuit
Board
Fan Inverter
Circuit Board
Power
Conditioning
Fan Capacitor
AC Fan X2
X8
X4
X5
X3
X11
+/- DC Bus
Fuse
ASIC Circuit
Board
Fan Power
Supply Circuit
Board
DC Fan X2
X8
X81
X3
X11