After the activation of the license on the device, the license should be backed up so that it is available for a re-installation of the SD/OS image.
A soft license can only be restored on the same Raspberry Pi and cannot be transferred to another.
Alternatively, there is a possibility to use a dongle that can be used on any Raspberry Pi.
There are two possibilities to do this:
Both possibilities can be used independently of each other (alternatives to backup methods)
As of SP13, there is only one place location where the License Manager is called.
Up to SP13:
Copy the file 3SLicenseInfo.tar to the directory restore and restart the PLC.