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Record limit in TP700 Comfort in USB storage

6/21/2023 1:27 PM	Rate (0)
jamalvmb Posts: 9 Rating: (0)	Hi everyone I'm using a HMI TP700 Comfort and recording 2 different data logs. In each one of them I have 2 variables. I am recording them in a pendrive (\Storage Card USB\) which has 32Gb. How many aquisitions can I record? In other foruns I read that the maximum of a tp700 is 20000 records, but the example was a storage card SD. Does using a 32Gb pendrive changes anything? Else, recording 4 different tags each minute, I would have only 3 days of historical more or less Attachment 2023-06-21 10_22_19-Window.png (513 Downloads)
jamalvmb Posts: 9 Rating: (0)
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6/22/2023 6:53 AM	Rate (1)
Cocolino Silver Member Joined: 4/8/2021 Last visit: 1/7/2026 Posts: 642 Rating: (114)	Hi jamalvmb, Here you can find the detailed limitation of the TP700 Comfort panel regarding the logs and the amount of data you can store. https://support.industry.siemens.com/cs/ww/en/view/49313233/137451394187 As you can see, 20k entries per log are allowed, therefore I would say that the storage the you need depends on how many logs and entries will you store and of course the data type of each tag stored. Hope it helps. Br, Cocolino
	Best regards, Cocolino Don't forget to use the Rate Function if you find my answer useful :) THX :)
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6/29/2023 7:46 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/9/2026 Posts: 16629 Rating: (1944)	Hello jamalvmb Yes this is true. Comfort Panels are not made for big logging data. It can handle only a smaller amount of logging values per log (20000 as already suggested) If you want to store a long time archive perhaps this one could be an option (but its only a very complicated workaround): https://support.industry.siemens.com/cs/de/en/view/109477071 Also You can see in the editor in TIA how Big a logfile would be maximum: with 20000 entires its Maximum size: 1954 KB, so limit of logs is 50 -> you will only nee about 100MB, so SD Card would make no difference to a USP Pen, the limitation is not the storage device, its the performance of the HMI to handle logging data (PC Runtime HMIs will reach much more logging data) Bye Murof
	If this Information really helps, you could use the Rate function
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