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Power interface board – Rockwell Automation 20B PowerFlex 700 Drive - Frame 7 Components Replacement User Manual

Page 31

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Rockwell Automation Publication 20B-IN017B-EN-P - September 2011

31

Component Replacement Procedures Chapter 3

Power Interface Board

Refer to the figures in

Component Diagrams and Torque Specs on page 13

for

these instructions.

Remove Components

1. Read and follow the

Safety Precautions on page 9

and

Important Initial

Steps on page 11

.

2. Perform

Remove Main Control Panel Assembly on page 21

.

3. Remove remaining wiring

harnesses from the Power
Interface Board, including the
wiring between the Power
Interface Board and the
Switch Mode Power Supply
Board.

4. Remove the two Power Interface

Board mounting star screws
located at the upper right and
lower left corners of the board.

5. Using your fingers or needle-nose

pliers, squeeze the wings of each
of the nine (9) spacers and
remove the Power Interface Board
from the mounting plate.

Connector

Connected Components

J1

Main Control Board

J10

Precharge Board (only on DC input systems)

J16

W Phase CT

J15

V Phase CT

J14

U Phase CT

J24

+Bus IN of Power Interface Board

to J1 of Precharge Board

J13

Switch Mode Power Supply Board

J12

Switch Mode Power Supply Board

J23

U, V, W positive gates (upper phase)

J18

U, V, W negative gates (lower phase)

TB2

TB11

J7

Monitor Wire to thermal sensors

TB1

TB11

J1

J10

J16

J15

J14
J24

J13

J12

J23

J18

TB2

TB1

J2

J7

Screws