CODESYS - the IEC 61131-3 automation software

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 Post subject: codesys3 data logger
PostPosted: Sat Oct 27, 2018 11:57 pm 
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Joined: Sat Oct 27, 2018 2:53 am
Posts: 1
I am trying to create a codesys3 data logger, any recommendations?
The library AC_DataLog may be useful but can't find how to use it examples.
still struggling importing OSCAT Network library 1.2.1.1. I have it in the library manager but the compiler doesn't allow me to use it yet. I can see the data type ex "DLOG_DATA" in the library but shows, as not defined when I try to, used it.


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 Post subject: Re: codesys3 data logger
PostPosted: Wed Oct 31, 2018 10:17 am 
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Joined: Fri Feb 23, 2018 3:41 pm
Posts: 73
Actually, to datalog, I use a simple FIFO in a huge array of whatever. (usually one or more value and a timestamp in a structure).

If the datalog has to be huge, you may save CPU time using rotating start/end index instead of moving data.


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 Post subject: Re: codesys3 data logger
PostPosted: Wed Oct 31, 2018 9:56 pm 
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Joined: Wed Dec 28, 2016 11:00 pm
Posts: 66
I am also very interested in a generic datalogging solution!
A store and forward combined with an RTC generated timestamp (of that old event) in combination with OPC UA is prefered.


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 Post subject: Re: codesys3 data logger
PostPosted: Sun Nov 04, 2018 8:20 am 
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Joined: Mon Sep 05, 2005 9:42 am
Posts: 3025
Hi,
this should point you in the right direction I guess:
https://help.codesys.com/webapp/ac_dlm_ ... n=3.5.13.0
For using the AC-data logger no extra license is needed.
You could choose to log into an csv file or sqlite db.

BR
Edwin


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