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Logo PLC program backup during no power

Created by: sacheen at: 4/8/2023 4:56 AM (2 Replies)

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4/8/2023 4:56 AM	Rate (0)
sacheen Experienced Member Joined: 4/8/2009 Last visit: 9/23/2024 Posts: 83 Rating: (1)	Dear all, LOGO PLC (6ED1052-1FB00-0BA6) is in powered off condition since 3 months. Please let me know for how long application program backup remains inside PLC in powered off condition.? Thanks in advance Sachin

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4/8/2023 5:15 AM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 1/14/2025 Posts: 34489 Rating: (4304)	When transferring a user program with LSC, it is stored in a non-volatile flash memory. Theoretically always. But after 3 months without a power supply, the Real Time Clock (RTC) must be set. The RTC continues to run for approx. 20 days without the LOGO! power supply.
	Last edited by: ixo65 at: 04/08/2023 05:15:52
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4/8/2023 6:54 AM	Rate (0)
sacheen Experienced Member Joined: 4/8/2009 Last visit: 9/23/2024 Posts: 83 Rating: (1)	Thank you for your valuable information. Regards Sachin

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