Rockwell Automation PF700 PowerFlex 700 Drive Components Replacement - Frame 9 - Manual (Page 66)

66 Rockwell Automation Publication 20B-IN025B-EN-P - January 2011
Chapter 3 Component Replacement Procedures
Converter Snubber Board -
AC Input Only See Chapter 1 - Drive Components to locate the component detailed in these
instructions.
Remove Components
1. Read and follow the Safety Precautions on page 8 and Important Initial
Steps on page 10 .
2. Perform Remove Main Control Panel on page 22 .
3. Perform Remove Stacking Panel on page 25 .
4. Locate the Converter Snubber Board to be replaced.
5. Label and disconnect wires from the Converter Snubber Resistor and the
Converter Snubber Board to be replaced.
6. Remove the two screws that secure the board.
7. Remove the board and properly discard.
Install Components
1. Install the new Snubber Board. Torque screws to 2.9 N•m (26 lb•in).
2. Reconnect wires from the Converter Snubber Resistor.
3. Black wire goes to J1. Blue wire goes to J2.
4. Reassemble remaining components in reverse order.
5. Replace all safety shields and enclosure covers before applying power to the
drive.
Snubber Board
for “R” SCR
Snubber Board
for “S” SCR
Snubber Board
for “T” SCR