Siemens SIMATIC LOGO! CMR2020 Operating Instructions Manual page 71

Note
Backing up configuration data on PC or SD card
If you do not want to discard the configuration data you have entered, you can back up the
data externally and load it again after resetting to factory settings.
For information on this, refer to section Configuration (Page 65)
After saving the configuration data on an SD card, note the following:
• Before resetting to factory settings, remove the SD card: see "Reusing a configuration of a
CMR".
• Remove the SD card only when the power supply is disconnected.
Resetting using the Web user interface
Follow the steps outlined below:
1. Before you start the reset: Note the information in "Effects of resetting to factory settings".
2. In the navigation panel, select "Maintenance"and the "System" tab.
3. Click the "Reset to factory settings" button.
The device is reset to the factory settings and runs a restart.
4. Put the device back into operation as described in Steps in commissioning (Page 32) and
Configuration (Page 47).
Resetting using the SET button
Follow the steps outlined below:
1. Before you start the reset: Note the information in "Effects of resetting to factory settings".
2. Press the SET button with a suitable object.
3. Keep the button pressed for at least 10 s.
The device is reset to the factory settings and runs a restart.
4. Put the device back into operation as described in Steps in commissioning (Page 32) and
Configuration (Page 47).
Reusing a configuration of a CMR
You can transfer the configuration of a CMR any number of times to other CMRs:
1. The CMR is brand-new or was reset to factory settings (without SD card).
2. If the SD card of another CMR is inserted before starting the CMR, the automatically
backed up configuration (default.cfg) of the other CMR is used.
LOGO! CMR2020 / LOGO! CMR2040
Operating Instructions, 09/2014, C79000-G8976-C356-01
Configuration
6.6 Maintenance
71