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Rockwell Automation Publication 1769-UM021G-EN-P - October 2015
Chapter 4
Complete Software Tasks Required at CompactLogix 5370 Controller Installation
7.
Click Update.
8.
When the Update Firmware dialog box appears, click Yes.
Before the firmware upgrade begins, you can be warned about your
controller missing its SD card. Take the required action, typically click
OK.
The firmware upgrade begins.