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SIMATIC S7-1200: Retrieve Originating From the Programmable logic controller the Information Report From the very last 5 cycles

Pegaia
Prerequisites:
Deleting
It is possible to delete a data log:
1 - Giving a "reset to factoring settings"
2 - Clearing the SD card in a PG
Hi!
Im working on a project where the user should be allowed to download from the PLC the data log of the very last 5 cycles. The user will be displayed these last 5 cycles datalog to be downloaded.
Im not sure how to proceed when after the 5th cycle I have to log again where the cycle 1 was already logged. Does it exist any way to reset all the data to zero so I make sure that it will be only displayed data from the 6th cycle?
Do you have any suggestion about it? Im doing this way (5 last cycles) just because a matter of memory. I cant just create infinite data logs.. so that is why i guess that i should re-use the data logs already created...
Thanks in advance!

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