Rockwell Automation 20P PowerFlex DC Drive - Frame B AC Line Snubber Board and High Wattage Resistors - Manual (Page 5)

PowerFlex® DC Drive - Frame B AC Line Snubber Board and High Wattage Resistors 5
4. Disconnect the HIM Communication cable from the connector on the
upper right corner of the Control board and set the cover aside.
Step 3: Remove the Pulse
Transformer and Switching
Power Supply Boards Note: The Switching Power Supply circuit board is located on the back of
the Pulse Transformer circuit board.
1. Remove the plug-in terminal from the field input block at the top of the
drive.
2. Remove the four screws that secure the slotted air flow plate to the top
of the drive chassis.
Important: The air flow plate is also secured to the Pulse Transformer
circuit board and therefore cannot yet be removed.
Instructions for doing so are included later in this
procedure.
Pull tabs out
to disconnect
cable.
Air flow plate
Remove screws
Remove
plug-in
terminal
Front of Drive