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Home » Eclipse Projects » 4DIAC - Framework for Distributed Industrial Automation and Control » @Mr. Zoitl about PLCopen
@Mr. Zoitl about PLCopen [message #1808955] Fri, 05 July 2019 02:32 Go to next message
joy woo is currently offline joy wooFriend
Messages: 51
Registered: May 2019
Member
Mr. Zoitl,

I read a paper from you long years ago:
<<Advanced use of PLCopen motion control
library for autonomous servo drives
in IEC 61499 based automation
and control systems>>

from my point of view, due to different type of hardware, the implementation part of PLCOpen seems to hasn't been standardized,Dsifbs mean different
fb and different logic behind accord the the type of hardware, and can be reused in spefic hardware, is that right?
Because this paper was long time ago, so any new idea with PLCOpen implementation in IEC61499?
Re: @Mr. Zoitl about PLCopen [message #1808979 is a reply to message #1808955] Fri, 05 July 2019 12:48 Go to previous messageGo to next message
Alois Zoitl is currently offline Alois ZoitlFriend
Messages: 866
Registered: January 2014
Senior Member
Hi,

yes this is really a long time ago. This was even before we even thought about doing something like Eclipse 4diac. I haven't revisited this concept for a long time. I think a view things I would do differently now. Especially we would much more use adapters. but the general concept would definitely stay. This is what you have very nicely summarized in separating hardware specific code from vendor neutral. Similar to our IO concept it could even be interesting to setup such a framework in 4diac where we maintain the vendor7hardware neutral part for consistent behavior and high code reuse and provide defined interfaces to plug the specific parts into it.

cheers,
Alois
Re: @Mr. Zoitl about PLCopen [message #1808994 is a reply to message #1808979] Fri, 05 July 2019 14:19 Go to previous messageGo to next message
joy woo is currently offline joy wooFriend
Messages: 51
Registered: May 2019
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That means we have to hard code in c++ fb to call the api of specfic dll, the lua way can't be used?
Re: @Mr. Zoitl about PLCopen [message #1809000 is a reply to message #1808994] Fri, 05 July 2019 15:07 Go to previous messageGo to next message
Alois Zoitl is currently offline Alois ZoitlFriend
Messages: 866
Registered: January 2014
Senior Member
This depends on the interface to the drives. But for now I would say yes. However this has to be done only once.
Re: @Mr. Zoitl about PLCopen [message #1809002 is a reply to message #1809000] Fri, 05 July 2019 16:16 Go to previous messageGo to next message
joy woo is currently offline joy wooFriend
Messages: 51
Registered: May 2019
Member
thanks a lot!
Re: @Mr. Zoitl about PLCopen [message #1809007 is a reply to message #1809002] Fri, 05 July 2019 17:49 Go to previous message
Alois Zoitl is currently offline Alois ZoitlFriend
Messages: 866
Registered: January 2014
Senior Member
you are welcome.
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