Rockwell Automation Publication 2080-UM002M-EN-E - April 2022 223
Chapter 11 Using microSD Cards
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 the Connected
Components Workbench software, 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 226.
IMPORTANT
For Micro800 controllers that support microSD cards, IP protection of user
project can only be achieved through the POU password protection
mechanism in Connected Components Workbench Developer Edition
software and NOT via Controller Lock feature.
IMPORTANT
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 software
Yes Yes
Project configuration on memory
card at power-up
No
Load Always and/or Load on Memory
Error options
ConfigMeFirst.txt at power-up
Yes
(Through the [BKD] command)
Yes
(Through the [RSD] command)
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