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Data Log on S7-1200 FW 2.0

Created by: Jacques-Olivier at: 6/23/2011 4:01 PM (2 Replies)

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6/23/2011 4:01 PM	Rate (0)
Jacques-Olivier Posts: 23 Rating: (1)	Hi all, I'm trying to use the new feature of data logging in S7-1200 with TIA v11. Anyone having an example that works is welcome, because it's damned not easy ! Thanks a lot...
Jacques-Olivier Posts: 23 Rating: (1)
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6/23/2011 5:31 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 12/1/2023 Posts: 13953 Rating: (2277)	The TIA Portal help files on the various data logging instructions seem fairly clear. If you do not enable the web server, you will put the PLC/CPU into stop mode when you exchange data cards to capture the logged data. My approach, on first scan of the PLC, you run the DataLogOpen and check the error code -- if it is 8092 (Data log does not exist), run DataLogCreate (which will create, then open the data log file). In the DataLogWrite instruction, check the status and if it isn't open, run your FB/FC to open the data log. Check the status of the open and if it doesn't exist, run your FB/FC to create the data log. If the data log cannot be created, set a bit to disable any DataLogWrite command(s). I do not know if this is helpful, but as you say, an example in the help docs would have really helped!!
	science guy
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This contribution was helpful to 2 thankful Users dlogan Jacques-Olivier

7/1/2011 4:16 PM	Rate (2)
Mr D Posts: 21 Rating: (4)	attached is a library containing an FB that performs all of the data logging tasks. This is at your own risk!! Check the comments and edit the FB header to adjust the registers that you wish to log and run the block! Good luck! Attachment S7-1200 Data Logging.zip (949 Downloads)
Mr D Posts: 21 Rating: (4)
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This contribution was helpful to 3 thankful Users adfox dlogan Jacques-Olivier

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