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Function Block Library Documentation [message #1776866]

Wed, 22 November 2017 11:18

Daniel Ng

Messages: 23
Registered: October 2017

Junior Member

Dear all,

I was wondering if there is documentation on the function block library provided in 4DIAC. Tried searching around the forums, sourceforge and the documentation in eclipse.org but couldn't find any.

Thanks!

Regards,
Daniel

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Re: Function Block Library Documentation [message #1776871 is a reply to message #1776866]

Wed, 22 November 2017 12:06

Ben Schneider

Messages: 25
Registered: February 2017

Junior Member

Hi,

the function blocks (FB) of the FB library in 4diac typically have comments in 4diac describing their interface and behavior. Standardized event-based FBs are described in the IEC 61499-1 [1] Standard (e.g., see Annex A).

[1] https://www.vde-verlag.de/iec-normen/219342/iec-61499-1-2012.html

Best,
Ben

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Re: Function Block Library Documentation [message #1777074 is a reply to message #1776871]

Fri, 24 November 2017 10:05

Daniel Ng

Messages: 23
Registered: October 2017

Junior Member

Hi Ben,

I went through the IEC 61499-1 standards document you recommended and saw that it covered the event driven function blocks and if i understood properly, those function blocks residing in the IEC 61131-3 folder were converted from the IEC 61131-3 standard. But how about function blocks such as the QX fb under IO? The comments i could see were only as such in the attached picture and maybe the service sequence diagram/ECC depending on what fb it is.

index.php/fa/31386/0/

Thanks for your help!

Daniel

Attachment: qxblock.PNG
(Size: 10.02KB, Downloaded 322 times)

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Re: Function Block Library Documentation [message #1779143 is a reply to message #1777074]

Wed, 03 January 2018 08:25

Ben Schneider

Messages: 25
Registered: February 2017

Junior Member

Hi,

Have a look at "Use IO from different platforms" in the 4diac [1] help for an impression what IO FBs are doing.

[1] https://www.eclipse.org/4diac/en_help.php

Cheers,
Ben

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