Rockwell Automation 23P PowerFlex DC Stand-Alone Regulator (SAR) In-Rush Limiting Resistor User Manual
Installation instructions, What this kit includes, Tools that you need
 
Installation Instructions
23P-IN008A-EN-P
PowerFlex DC Stand-Alone Regulator (SAR) 
In-Rush Limiting Resistor
What This Kit Includes
• One in-rush limiting resistor
• Four screws with captive lock washers
• Static strap
Tools That You Need
• Phillips
®
screwdriver
• Hexalobular screwdriver
• Nut driver or wrench for hex stand-offs
• Wire cutter/stripper
• Soldering iron and solder supplies
• Isopropyl alcohol
• Thermal grease
Phillips
®
is a registered trademark of Phillips Screw Company.
ATTENTION: Only qualified personnel familiar with DC drives and 
associated 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.
ATTENTION: To avoid an electric shock hazard, ensure that all power to 
the SAR has been removed before performing the following.
ATTENTION: This SAR contains ESD (Electrostatic Discharge) sensitive 
parts and assemblies. Static control 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, reference A-B publication 
8000-4.5.2, “Guarding Against Electrostatic Damage,” or any other 
applicable ESD protection handbook.
Document Outline
- PowerFlex DC Stand-Alone Regulator (SAR) In-Rush Limiting Resistor Installation Instructions
- What This Kit Includes
- Tools That You Need
- What You Need to Do
- Step 1: Remove Power
- Step 2: Remove the Covers
- Step 3: Remove the Control Circuit Board
- Step 4: Remove the Power Interface Circuit Board and Switching Power Supply Circuit Board
- Step 5: Remove the In-Rush Limiting Resistor
- Step 6: Install the New In-Rush Limiting Resistor and Reassemble the SAR
- Step 7: Document the Change
- Additional Resources
 
- Back Cover