Rockwell Automation Publication 2080-UM002K-EN-E - March 2019 179
Using microSD Cards Chapter 10
The microSD card stores the controller password in encrypted format. When the
password is mismatched, the contents of the microSD card is not restored on the
controller.
Backup and restore can be configured to trigger through the following ways:
Backup and Restore Directory Structure
When a user project is backed up, a subdirectory named <Micro800>\USERPRJ
is created on the microSD card. The folder name takes the name of the project
specified in the General Page in Connected Components Workbench, which is
the name of the controller by default. However, if the ConfigMeFirst.txt file
specifies a different subdirectory (example: MyProject), the project is backed up
to that directory. See General Configuration Rules in ConfigMeFirst.txt
on
page 182.
If the Load Always setting is enabled and power is lost when restoring a
project from the microSD card, the controller will attempt to load the
project using the default project name and directory after power is
restored. If your project is not using the default name and directory, the
operation will fail and a fault occurs, or the wrong project will be loaded.
The default project name is the name of the controller, for example
“Micro850”, and the default directory is “Micro850\USERPRJ”.
If you change the name of the controller from the default, you must
configure the UPD setting in the ConfigMeFirst.txt file.
Method Backup Restore
Online with Connected
Components Workbench
Yes Yes
Project configuration on
memory card at powerup
No Load Always and/or Load on
Memory Error options
ConfigMeFirst.txt at
powerup
Yes
(Through the [BKD] command)
Yes
(Through the [RSD] command)
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