Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 297
Chapter 12
Use a Secure Digital Card
This chapter describes the primary tasks that are required to store a project on an
SD card or load a project from an SD card to the CompactLogixâ„¢ 5370
controller.
CompactLogix 5370 controllers support nonvolatile storage through the
following SD cards:
• 1784-SD1 - Ships with CompactLogix 5370 controller and offers 1 GB of
memory. You can order more 1784-SD1 cards if desired.
• 1784-SD2 cards - Available for separate purchase and offer 2 GB of
memory.
For information on how to install or remove an SD card from a
CompactLogix 5370 controller, see Install the Secure Digital Card
on page 60
Topic Page
Store or Load a Project with the Secure Digital Card 299
Store a Project 299
Load a Project 302
The life expectancy of nonvolatile media is dependent on the number of write
cycles that are performed. Nonvolatile media use a wear leveling technique, or
technology for prolonging the service life, but avoid frequent writes.
Avoid frequent writes when logging data. We recommend that you log data to
a buffer in the memory of your controller and limit the number of times data is
written to removable media.
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