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CPU 226 DATA LOG INTERNAL MEMORY

5/25/2013 10:00 AM	Rate (0)
veer Posts: 103 Rating: (0)	dear experts i am working with s7-200 cpu 226 6ES7 216-2BD23-0XB0, i am trying to log some of important analog values to plot a trend on hmi but i do not have idea about data log memory of cpu or for logging more than 10000 values should i have to use external memory cartige if yes plz mention which type of this. thanks
veer Posts: 103 Rating: (0)
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5/25/2013 4:35 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Although it's possible to save data to internal Eprom, i would recoment to use a memorymodule i.e. 6ES7291-8GH23-0XA0 SIMATIC S7, MEMORY MODULE Writing log to internal Eprom will cause to mutch write actions and wreck the Eprom verry quickly. Use the buildin Datalog function. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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5/25/2013 8:38 PM	Rate (0)
veer Posts: 103 Rating: (0)	thanks for reply marcjan,and also confirm me is it possible to get data log from plc with ppi cmmmunication cable in s7 200 explorer.
veer Posts: 103 Rating: (0)
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5/28/2013 10:46 AM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Yes you can retrieve the datalog. From manual The S7-200 Explorer is the application used to read a data log from the memory cartridge, and then store the data log in a Comma separated Values (CSV) file. Each time a data log is read, a new file is created. This file is saved in the Data Log directory. The file name is formatted as follows: PLC Address, data log name, date, and time. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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5/29/2013 7:13 AM	Rate (0)
veer Posts: 103 Rating: (0)	thanks marc
veer Posts: 103 Rating: (0)
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