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Why my Modicon Quantum 140CPU31110 Configurations are reinitialized every time Power goes off although memory protection is On ?

When Memory Protection feature is On through "Mem Prt On",The application in Flash memory is not transferred to internal RAM; a warm restart of the application is triggered.
If the Problem persists, you have to check the Base Configuration.
Through the Base Configuration, you can Un-Check the "%MWi" box and Check the "Automatic start in Run" in the "Operating Mode on Cold Start" bar.
Thanks to check the Attached document for more info.

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