42 Rockwell Automation Publication 20P-TG002B-EN-P - February 2018
Chapter 3 Part Replacement Procedures
Remove Power from the
Drive
Remove and lock-out all incoming power to the drive.
DPI / HIM Assembly
Replacement
Remove the DPI / HIM Assembly
Follow these steps to remove the device peripheral interface (DPI) / human
interface module (HIM) assembly.
1. Read the General Safety Precautions on page 10
.
2. Remove power from the drive (see page 42
).
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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