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6ED1 052-1FB00-0BA6: Lost Date & time on power Failure

Created by: Memgo at: 10/29/2019 3:54 AM (10 Replies)

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10/29/2019 3:54 AM	Rate (0)
Memgo Member Joined: 6/9/2016 Last visit: 8/6/2024 Posts: 14 Rating: (0)	sankannan Dear all, I am working with one LOGO PLC (OBA6-ES3). I have used one weekly timer in logic & working well. But when the power failure happens, The PLC date & time get blank & the weekly timer also not in enable condition. Kindly give your solutions to solve this. Regards, San kannan hi!!! I have a old 6ED1 052-1FB00-0BA6.. that have something similar this... Lost Date & time on power Failure... How you solved?? ------------------------------------------------------------------------------------------ Split from Reg: LOGO PLC date & time problem.
	Last edited by: Jen_Moderator at: 10/30/2019 07:35:55 New subject after splitting
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10/29/2019 4:20 AM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2024 Posts: 34385 Rating: (4285)	Did you read only the opening contribution or the contributions of the other users afterwards? All answers are given ....

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10/29/2019 4:57 PM	Rate (0)
Memgo Member Joined: 6/9/2016 Last visit: 8/6/2024 Posts: 14 Rating: (0)	ixo65 Did you read only the opening contribution or the contributions of the other users afterwards? All answers are given .... HI Yes, I read all the post... But this tread was open 2013.. Maybe in 2013 is easy buy the memory/battery card. Now.. It's Something difficult get one. But, This Issue is frecuenty or normal in the OBA6 LOGOS?? It is normal for them to lose or be damaged the RTC buffer Power Failure? Thanks

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10/29/2019 5:16 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2024 Posts: 34385 Rating: (4285)	Yes. How long the clock is buffered in case of power loss depends on the series. Is your question a general question or do you want to know something about a particular LOGO! Series? Then you have to write, for which LOGO! you want to know. Whether 0BA6, 0BA7, or 0BA8 or others.

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10/29/2019 6:42 PM	Rate (0)
Memgo Member Joined: 6/9/2016 Last visit: 8/6/2024 Posts: 14 Rating: (0)	Well... I use a OBA6 Series... And the Help of the Weekly Timer say that series can hold the RTC 80 Hours.. That time is influence by the ambiente temperature... My Questions and doubts.. is about is normal that buffer is broken? thanks

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10/29/2019 6:49 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2024 Posts: 34385 Rating: (4285)	Memgo My Questions and doubts.. is about is normal that buffer is broken? What do you mean with "is normal that buffer is broken"?

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10/29/2019 7:23 PM	Rate (0)
Memgo Member Joined: 6/9/2016 Last visit: 8/6/2024 Posts: 14 Rating: (0)	ixo65 Memgo My Questions and doubts.. is about is normal that buffer is broken? What do you mean with "is normal that buffer is broken"? After years of use... The autor of the post and me, have a logo that can't hold the RTC on power faiulure... so.. is a comon or normal that after years of use, the buffer will broken?

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10/29/2019 7:34 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2024 Posts: 34385 Rating: (4285)	Can I not say if it is normal, because I don't know. In your case I would start a Support Request...

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10/30/2019 8:46 AM	Rate (0)
LOGO! Support Gold Expert Joined: 9/19/2018 Last visit: 12/6/2024 Posts: 399 Rating: (47)	If really date&time is lost after a short power fault, this LOGO! is defect now. But this is not “normal”. E.g. my LOGO! 0BA6 (without battery module) still has valid date&time after a weekend without power supply.

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11/4/2019 8:30 AM	Rate (0)
AutoGen_380038 Silver Member Joined: 9/11/2014 Last visit: 12/10/2024 Posts: 789 Rating: (33)	Hi, the LOGO! RTC (all versions) is powered by a super-cap. A super-cap requires a long time to be loaded. My tip is to connect LOGO! to power for at least 24h and then try again. That a super-cap lost capcity I have never heard aboute that. I have a LOGO! 0BA1 Long version used since ~ 20 Years. Only sporadically switched of, but any time d&t is still valid. The power fail time of this LOGO! 0BA1 Long is normaly very short (max. 1 hour). Hope this helps

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