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Siemens AG
Entry type: FAQ Entry ID: 2755634, Entry date: 08/01/2000
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WinAC Slot 412/416: Saving user data upon power OFF/ON without PS Extension Board

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QUESTION:
How can I save user data upon power OFF/ON without the PS Extension Board?

ANSWER:
Normally, when using a PC, this is closed down specifically by the user before Power OFF.
In order to save the current state of the data blocks, the user can proceed as follows before closing down the system:

  • Set the CPU 41x-2 PCI into STOP.
  • Save the current program status (only the data block contents are saved, not markers, counters, timers) via the panel menu "Archive File".
  • Retrieving this program status at the next Power ON is either done automatically via the Autoload function that has been set accordingly, or manually via "Retrieve File".
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In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
https://www.siemens.com/cybersecurity#Ouraspiration.