Rockwell Automation 20P PowerFlex DC Drive - Frame B Pulse Transformer Circuit Board - Manual (Page 2)

2 Rockwell Automation Publication 20P-IN009D-EN-P - February 2012
PowerFlex DC Drive Frame B Pulse Transformer Circuit Board
What You Need to Do To install the Pulse Transformer board:
❐ Step 1: Remove power from the drive
❐ Step 2: Remove the protective covers
❐ Step 3: Remove the Pulse Transformer and Switching Power Supply
boards
❐ Step 4: Configure the new Pulse Transformer board
❐ Step 5: Install the new Pulse Transformer board and existing Switching
Power Supply board
❐ Step 6: Replace the protective covers and document the change
Step 1: Remove Power from
the Drive
1. Remove and lock-out all incoming power to the drive.
ATTENTION: Remove power before making or breaking cable connections.
When you remove or insert a cable connector with power applied, an electrical
arc may occur. An electrical arc can cause personal injury or property damage by:
• sending an erroneous signal to your system’s field devices, causing unintended
machine motion
• causing an explosion in a hazardous environment
Electrical arcing causes excessive wear to contacts on both the module and its
mating connector. Worn contacts may create electrical resistance.
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