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Long time trend

9/30/2008 6:14 AM	Rate (0)
fabioga66 Bronze Member Joined: 3/25/2008 Last visit: 10/16/2025 Posts: 240 Rating: (2)	Hello , In a water treatament plant i need to archive an approssimate 20 Tag for a long time : One year. The sample time is 10 second. Is possible to do this whit the standard package ? I need a option ? Thank you

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9/30/2008 6:42 AM	Rate (0)
Anchobi Posts: 139 Rating: (25)	The standard WinCC package should be fine for this. To set the trending to occur over a long time youwill need to set correctly the size of your archive for the number of tags and frequency you are logging at.
Anchobi Posts: 139 Rating: (25)
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9/30/2008 7:56 AM	Rate (0)
john Enthu Posts: 69 Rating: (0)	Dear sir, also, you mentined the size of archieve so that it can store long time data. it is depending on your hard disk space also....... if i m not wrong.......correct me if....... regards...........
john Enthu Posts: 69 Rating: (0)
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9/30/2008 10:03 AM	Rate (0)
CBo Gold Member Joined: 4/5/2006 Last visit: 10/3/2025 Posts: 917 Rating: (63)	Hi all, john Enthu is right, one year is long time so you have to be sure to have space, but 20 Tag sampled every 10 sec. will not keep so many space. For experience i think them will not take more 4-5 G bbyte,better if you have at least 10G byte free for that (depend what WinCC version and what type of archiving are you using). You could also check the occupied space every week and calculate what you need with project runnning and change it. (not nice..but works always) Regards

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Posts: 341

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(24)

Hi Capraloris,

Look on this Entry ID: 22413908 about the calculation of require data volume for archive data with example.

Regards,
rit03

9/30/2008 2:32 PM	Rate (0)
john Enthu Posts: 69 Rating: (0)	NICE CALCULATION GIVEN.......... IT WILL HELP US IN EVERY REGARDS........
john Enthu Posts: 69 Rating: (0)
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9/30/2008 2:37 PM	Rate (0)
JMJ Posts: 487 Rating: (45)	If you think your WinCC station will runout of HD space. May be you can consider Central Archive Server. It works seamlesslywith your WinCC station.But may be an expensive solution?
JMJ Posts: 487 Rating: (45)
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