Hello everybody (a little late perhaps)

J

Thread Starter

Johan Bengtsson

Hello!

Finally I have read most of the posts....

Like some of the other I would like to tell you who I am and what I might be able to do.

I am a programmer writing educational programs in the entire autmation area, this means I have expreience with simulating both PLC:s and PID-controllers as well as simulating processes
(If anyone cares chekout the products at http://www.pol.se) All of this is written in C++ for WIN32.

However I am in the process of setting upp a programming environment under Linux on my home computer.

I can help with writing for example the logic solving part IEC61131-3 IL, LD, FBD style (they are actually the same from the runtime solvers view, it is only a matter of how the editor is working), starting with IL.

It will perhaps take some time to get my programming environment up and running however since I am quite new to Linux.

Btw, I have an old copy of the IEC(6)1131-3 standard at work and could look up things if necesary.

/Johan Bengtsson

----------------------------------------
P&L, the Academy of Automation
Box 252, S-281 23 Hässleholm SWEDEN
Tel: +46 451 49 460, Fax: +46 451 89 833
E-mail: [email protected]
Internet: http://www.pol.se/
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M
Johan,

I agree and am working on an IL or tokenized IL solver engine. As I have mentioned in previous posts I intend to have something to publish at the
weekend.

I have a copy of IEC1131-3 1993 at home. I also have R.W.Lewis' IEE book Programming industrial control systems using IEC 1131-3. So I am open to
discuss implementation/interpretation issues.

I also have access to IEC 60204 and the IEE SEMSPLC Guidelines (Safety-Related Application Software for Programmable Logic Controllers
(1996)).

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J

Jan Krabbenbos

Hello Johan

[email protected] wrote:
> Finally I have read most of the posts....

I think that happens to everyone new on the list :))

> I can help with writing for example the logic solving part
> IEC61131-3 IL, LD, FBD style (they are actually the same
> from the runtime solvers view, it is only a matter of how the
> editor is working), starting with IL.

That's completely true, LD (ladder) and FBD (Function Blocks) are just another representation of the IL (instruction list). Some Logic Engine
that interprets IL can also do the work for FDB and LD. That's also a part where I like to help.

> Btw, I have an old copy of the IEC(6)1131-3 standard at work
> and could look up things if necesary.

Seems more people have a copy. I have to find mine back at home. I don't know which version. The 1993 version was a draft version of the
standard.

Greetings,
Jan


Jan Krabbenbos
e-mail: [email protected] / www : http://www.krabbenbos.com

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