CODESYS - the IEC 61131-3 automation software

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 Post subject: CAA or "System" library?
PostPosted: Mon Sep 18, 2017 9:57 am 
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Joined: Tue Jul 18, 2017 6:19 am
Posts: 20
Hello together

I see in the standard libraries of codesys exist 2 libraries which have filehandling code in it and do more or less the same.
There is one in SysFile S3 and one from "CAA Technical Workgroup" which has also S3 in its author name.

Which one should be used for what reasons?


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PostPosted: Mon Sep 18, 2017 12:07 pm 
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Joined: Thu Mar 17, 2016 1:24 pm
Posts: 42
I have similar question: which difference between Sys-libraries and Sys23-librarires?
For example, SysCom and SysCom23.


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PostPosted: Mon Sep 18, 2017 5:09 pm 
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Joined: Wed Dec 28, 2016 11:00 pm
Posts: 48
Correct me if I am wrong, but the *23 libs are, as far as I have understood, Codesys 2.3 backward compatible libraries for use in codesys 3.5.

You will need these whenever you convert old v23 projects to v35. After converting the project, you can then phase them out for more contemporary libraries if you wish.


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