Difference between Scada-PLCs and DCS

[Egui]

What is the difference between Scada ( with slaves PLC´s, PLCs with regulatory control loops) and DCS system for small or medium plants.

 

[controlnovice]

Yes, that would help. Not sure how to shorten the path below, but here it is....

http://www.isa.org/Content/ContentG...5/What_are_they,_and_where_are_they_going.htm

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This is normally the space where people post something insightful.

 

[controlnovice]

Another discussion found on the net:

http://www.controlglobal.com/articles/2005/495.html

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This is normally the space where people post something insightful.

 

[Ashereng]

Thanks.

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Albert Einstein
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[BobbyWalter]

Hi All,
I think I am going to agree with FrancisL, for me a DCS is a big PLC-SCADA system.