Rockwell-automation 6189V-xxxx Non-display Industrial Computers User M Uživatelský manuál stáhnout pdf (Strana 46)

46 Rockwell Automation Publication 6177R-UM002D-EN-P - October 2014

Chapter 4 Component Replacement

Replace the Power Supply

Unit

Follow these steps to replace the power supply unit (PSU).

1. Follow the steps for Pre-configuration

on page 36.

2. Remove the computer cover as detailed in Remove the Cover

on page 38.

3. For 750R computers, lay the computer on its side (components showing).

4. Remove the factory-installed chassis cross member or optional I/O card

retention bracket as detailed in Install I/O Card Retention Bracket

on

page 98.

5. Cut the cable ties with side cutters in the following locations.

IMPORTANT

Use an antistatic wriststrap that is connected to the work surface, and properly

grounded tools and equipment when you handle internal computer components.

ATTENTION: The photo shows a 1450R computer, which has six cable

ties to cut. The circle with blue line is the cable tie to the PCI expansion

board, which does not apply to 750R computers.

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