Rockwell Automation 20T User Manual

Installation Instructions

PowerFlex® SCR Bus Supply Spare Parts

ATTENTION: To avoid an electric shock hazard, verify that the
voltage on the bus capacitors has discharged completely before

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servicing. Check the DC bus voltage between the DC+ and DC­terminals, between the +DC terminal and the chassis, and between
the -DC terminal and the chassis. The voltage must be zero for all
three measurements.

ATTENTION: HOT surfaces can cause severe burns. Do not
touch the heatsink surface during operation on the SCR Bus

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Supply. After Disconnecting power, allow time for cooling.
ATTENTION: The SCR Bus Supply contains ESD (Electrostatic

Discharge) sensitive parts and assemblies. Static control

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precautions are required when installing, testing, servicing or
repairing this assembly. Component damage may result if ESD
control procedures are not followed. If you are not familiar with
static control procedures, refer to Allen-Bradley publication
8000-4.5.2, “Guarding Against Electrostatic Damage” or any
other applicable ESD protection handbook.

Finding Specific Information

ATTENTION: Only qualified personnel familiar with SCR Bus
Supplies, adjustable frequency AC drives, and associated

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machinery should plan or implement the installation, start-up, and
subsequent maintenance of the system. Failure to comply may
result in personal injury and/or equipment damage.

Installation information for this part can be found in the Pow erFlex SCR
Bus Supply User Manual, publication 20S-UM001.

You can view or download this publication at http://

literature.rockwellautomation.com.

Use the Search feature on the right side of the Literature Library home page.
Search by Publication Number (not Keyword) and enter “20S-UM001.” On
the Search Results page, either click the PDF icon to view the publication or
right-click the PDF icon and select “Save Target As…” to save the
publication on your computer.

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Rockwell Automation Support

Before you contact Rockwell Automation for technical assistance, we
suggest you please review the troubleshooting information and spare parts
section contained in the PowerFlex SCR Bus Supply User Manual.

If the difficulty persists, call your local distributor or contact Rockwell
Automation in one of the following ways:

Phone United States/

Canada

Outside United
States/Canada

Internet Go to http://www.ab.com/support/abdrives/

E-mail [e-mail]

Be prepared to provide the following information when you contact
support:

• Product Catalog Number

• Product Serial Number

1.262.512.8176 (7 AM - 6 PM CST)

1.440.646.5800 (24 hour paid support available
through the TechConnect Support Program)

You can access the phone number for your country via
the Internet:
Go to http://www.ab.com
Click on Support
(http://support.rockwellautomation.com/)
Under Contact Customer Support, click on Phone

Support

U.S. Allen-Bradley Drives Technical Support - Tel: [phone], Fax: [phone], Email: [e-mail], Online: www.ab.com/support/abdrives

www.rockwellautomation.com

Power, Control and Information Solutions Headquarters

mericas: Rockwell Automation, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: [phone], Fax: [phone]

Europe/Middle East/Africa: Rockwell Automation, Vorstlaan/Boulevard du Souverain 36, 1170 Brussels, Belgium, Tel: [phone], Fax: [phone]

sia Pacific: Rockwell Automation, Level 14, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong, Tel: [phone], Fax: [phone]

Publication 20S-IN001A-EN-P – February 2011 PN-118314

Copyright © 2011 Rockwell Automation. All rights reserved. Printed in USA.