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Reg: LOGO PLC date & time problem

Created by: sankannan at: 7/14/2013 9:50 AM (2 Replies)

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7/14/2013 9:50 AM	Rate (0)
sankannan Posts: 35 Rating: (0)	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
sankannan Posts: 35 Rating: (0)
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7/14/2013 10:13 PM	Rate (1)
desmul24 Posts: 378 Rating: (73)	Hello sankannan, This is taken from LOGO Soft comfort v7 Help manual of weekly timer: The internal real-time clock of LOGO! is buffered against power failure. The buffering time is influenced by the ambient temperature, and is typically 20 days (for LOGO! 0BA7 devices) or 80 hours (for LOGO! 0BA6 devices) at an ambient temperature of 25°C. The LOGO! 0BA6 devices and higher support the option of a battery card or a combined program module (memory) and battery card. The real-time clock is buffered for several years with either of these cards. Hope helps,
desmul24 Posts: 378 Rating: (73)
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7/15/2013 5:58 AM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (709)	Hi sankannan, you can mount the memory and backup battery 6ED1 056 7DA00 0BA0.

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