AB Quality PowerFlex 400 Frames D-H Service Bulletin Download

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Publication 22C-SB003A-EN-P – August 2008

PowerFlex 400 Frames D-H Replacement Procedure for Main Control Board

Replacing the Main Control
Board

The following procedure shows you how to replace the main control board
from a PowerFlex 400 Frame F drive. The procedure is the same for drives
of other frame sizes.

1. Disconnect the ribbon cable from the main control board.

2. Remove the four screws from the plastic tray holding the main control

board.

ATTENTION: Do not pull on the wires of the ribbon cable.

Summary of Contents for PowerFlex 400 Frames D-H

Page 1: ... for the capacitors to discharge Then measure the DC bus voltage at the DC and DC terminals or at the DC and P2 terminals on the power terminal block The voltage must be zero A darkened LCD display and LEDs are not an indication that capacitors have discharged to safe voltage levels Only qualified electrical personnel familiar with the construction and operation of this equipment and hazards invol...

Page 2: ... page 7 Putting the Drive Back Together on page 9 Programming the Parameters for the Main Control Board on page 10 Recording Parameter Settings from the Main Control Board Before removing the old main control board you need to record the parameters and their values from it Recording user parameters 1 Power up the drive 2 Use DriveExplorer or the 22 HIM CopyCat feature to copy all the user paramete...

Page 3: ...es from the drive 1 Go to parameter A196 The default value of A196 is 0400 2 Enter a value of 7625 Hex for A196 The hidden parameter group H appears 3 Record the values in the hidden parameters H418 H446 H447 and H448 4 Reset the value of A196 to 0400 If the label is not present and the main control board cannot communicate with the keypad or DriveExplorer please contact Rockwell Automation Drives...

Page 4: ...ives 1 Loosen the two captive cover screws 2 Pull the bottom of the cover out and up to release L1 L2 L3 O I ATTENTION To avoid an electric shock hazard verify that the voltage on the bus capacitors has discharged before performing any work on the drive Wait five minutes for the capacitors to discharge Then measure the DC bus voltage at the DC and DC terminals or at the DC and P2 terminals on the ...

Page 5: ...Frames D H Replacement Procedure for Main Control Board 5 Frame E Drives 1 Loosen the four captive cover screws 2 Pull the bottom of the cover out and up to release Frame F Drives 1 Turn the latch counterclockwise 2 Pull on the latch to swing the door open ...

Page 6: ... D H Replacement Procedure for Main Control Board Frame G Drives 1 Loosen the four captive cover screws 2 Pull the bottom of the cover out and up to release Frame H Drives 1 Loosen the four captive cover screws 2 Pull the bottom of the cover out and up to release ...

Page 7: ...following procedure shows you how to replace the main control board from a PowerFlex 400 Frame F drive The procedure is the same for drives of other frame sizes 1 Disconnect the ribbon cable from the main control board 2 Remove the four screws from the plastic tray holding the main control board ATTENTION Do not pull on the wires of the ribbon cable ...

Page 8: ...ntrol board 4 Place the new plastic tray with the new main control board where the old tray was 5 Place the four screws back in to secure the plastic tray Torque to about 0 9 1 1 N m 8 0 9 7 lb in IMPORTANT The main control board should fit the plastic tray snugly IMPORTANT For Frame D use the four tapping 4 8 mm screws For Frames E H use the four M4 8 mm screws ...

Page 9: ...over screws to about 1 0 1 2 N m 8 9 10 6 lb in Frame E Place the front cover back to its original position and torque the four captive screws to about 1 0 1 2 N m 8 9 10 6 lb in Frame F Close the door and turn the latch clockwise Frame G Install the front cover and torque the four captive screws to about 1 3 1 5 N m 11 5 13 3 lb in Frame H Install the front cover and torque the four captive screw...

Page 10: ...er A196 and enter the default value of 0400 This hides the H group parameters 5 Go to parameter P041 and enter a value of 1 This resets the drive to the factory defaults for the drive type selected in parameter H418 6 Use DriveExplorer or a 22 HIM to download the user parameters copied from the old main control board to the new board IMPORTANT To ensure proper operation set these values to exactly...

Page 11: ...Publication 22C SB003A EN P August 2008 PowerFlex 400 Frames D H Replacement Procedure for Main Control Board 11 Notes ...

Page 12: ...gium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Power Control and Information Solutions Publication 22C SB003A EN P August 2008 Copyright 2008 Rockwell Automation All rights reserved U S Allen Bradley DrivesTechnical Support Tel 1 262 512 8176 Fax 1 262 512 2222 Email support driv...

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