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@Mr. Zoitl about PLCopen [message #1808955]

Fri, 05 July 2019 02:32

joy woo

Messages: 198
Registered: May 2019

Senior 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?

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Re: @Mr. Zoitl about PLCopen [message #1808979 is a reply to message #1808955]

Fri, 05 July 2019 12:48

Alois Zoitl

Messages: 1582
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

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