Rockwell Automation 20P PowerFlex DC Drive - Frame A SCR Modules for Drives with Bus Bars - Manual (Page 7)

PowerFlex® DC Drive - Frame A SCR Modules for Drives with Bus Bars 7
Step 4: Remove the Pulse
Transformer and Switching
Power Supply Boards Note: The Switching Power Supply circuit board is secured to the back of
the Pulse Transformer circuit board.
1. Remove the two screws that secure the slotted air flow plate to the top
of the drive and remove the plate.
Important: Mark all connections and wires before removal to avoid
incorrect wiring during reassembly.
2. Remove the plug-in control power terminal block from the Pulse
Transformer circuit board.
=
Air flow plate
Remove screw
Remove screw
Remove
plug-in
terminal
block