(This procedure does not apply to: Linux SL / Control Win SL / Control RTE SL / Linux Arm SL)
Warning |
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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. |
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Note |
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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. This means you can simply move the USB dongle if your Raspberry Pi breaks, you upgrade to a Raspberry Pi 5, or if you have two Raspberry Pi controlled machines that you run only one at a time. |
Backing up a license
There are two possibilities to do this:
- Backup the license update file CMLicenseNew.WibuCmRaU
- If you used CODESYS >= 3.5SP13 you'll find the license backup file in: “c:\Program Data\CODESYS\Licenses\license ticket number” (on the PC where you have licensed the PI)
- Restore the license via the server
Backing up the license update file CMLicenseNew.WibuCmRau via the CODESYS file manager
Backing up the license update file from “c:\Program Data\CODESYS\Licenses\license ticket number” (on the PC where you have licensed the PI)
If you use CODESYS >= 3.5SP13 you'll find the license backup file in: “c:\ProgramData\CODESYS\Licenses\license ticket number” (each ticket has an own directory)
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See the screenshot - you could get the serial number of you Pi by the “Pi Update Tool”:
Restore the license via the server
Restoring the license on a reinstalled device
If you use an Image where another (incorrect) license was already active, please you must first delete the cmact_licenses directory by CODESYS file browser, then restart the plc, and then activate the license with the license file ...
Restoring the license from the file CMLicenseNew.WibuCmRau
As of SP13:
Info |
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As of SP13, there is only one location where the License Manager is called. |
Up to SP13:
Restoring the license from the file 3SLicenseInfo.tar via the CODESYS file manager
Copy the file 3SLicenseInfo.tar to the directory restore and restart the PLC.