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CPU1215C system time

9/30/2022 6:24 AM	Rate (0)
AutoGen_788039 Regular Member Joined: 4/28/2015 Last visit: 12/30/2025 Posts: 16 Rating: (0)	hello Sometimes the CPU's System Time is initialized, but in what cases is it initialized? If the power supply is cut off for a long time, how long can you hold it without losing time?

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9/30/2022 6:31 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/14/2026 Posts: 9105 Rating: (1204)	Hello, Have a look at the technical data of your CPU. For example: https://support.industry.siemens.com/cs/nl/nl/pv/6ES7215-1AG40-0XB0/td?dl=nl There you will find more information about Clock (Time of Day) Best regards, Wizard

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9/30/2022 7:33 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/7/2026 Posts: 4493 Rating: (644)	Hi, if you do a factory reset, time of day is also reseted. Regards, Towome
	If my post was useful, please rate me - if not, please tell me - thank you!
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This contribution was helpful to 1 thankful Users sancruz

9/30/2022 8:38 AM	Rate (0)
AutoGen_788039 Regular Member Joined: 4/28/2015 Last visit: 12/30/2025 Posts: 16 Rating: (0)	It's on the spec sheet! thank you

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