Rockwell-automation 20P PowerFlex DC Drive - Frame B AC Current Transd User Manual download pdf (Page 5)

PowerFlex® DC Drive - Frame B AC Current Transducers 5

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. You must remove both boards in order

to replace the AC Current Transducers. Note: The Switching Power Supply

circuit board does NOT need to be removed from 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.

Air flow plate

Remove screws

Remove

plug-in

terminal

Front of Drive

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Rockwell-automation 20P PowerFlex DC Drive - Frame B AC Current Transd User Manual Page 5