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S7-1200 Memory Lifetime

7/28/2015 6:51 AM	Rate (0)
U_83a0af60-29b9-4... Posts: 1 Rating: (0)	Hey everybody, I am new to Siemens PLC and I'd like to ask, if I am periodically (like every 10 seconds) reading from the siemens PLC to a SCADA system, does that negatively affect the PLC memory life time?
U_83a0af60-29b9-4... Posts: 1 Rating: (0)
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7/28/2015 11:32 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/15/2026 Posts: 4496 Rating: (644)	Hi, I know about a MTBF List. Perhaps is there any Information you can need. https://support.industry.siemens.com/cs/de/de/view/16818490/en Greetings, Tomowe
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7/28/2015 11:45 AM	Rate (0)
Jeff Casagrande Posts: 1529 Rating: (203)	If your question pertains more to finite life of the devices due to read/write cycles, then the life is essentially infinite. You are reading from and writing to RAM memory. There are no EEPROMs that have limited read/write cycles.
Jeff Casagrande Posts: 1529 Rating: (203)
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