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Hello,
We are in the process of choosing our PLC platform for upgrading our melt shop and casting processes. We have narrowed the choices down to the A/B Control Logix or the S7 400 series products.
There are reasons that we like and dislike going to either option, specifically support, availability of spares and training, ease of programming, etc. The question I would like to ask is about the network for each. The availability of Profibus components and manufacturers is quite extensive. We are also familiar with profibus, as we are using it now.
A/B brought a fellow in here to demo Control Net, and of course he believed it to be far superior with it's consumer/producer model. But we don't see much support at all for this network from other manufacturers. It's touted
as being an "open" protocol, but I guess being "open" and being supported are different beasts altogether. Any information would be appreciated, I'm even open to discussion of the Control Logix vs. S7 altogether.
Thank you for any consideration,
Chris Corne
Melt Shop Electrical
Nucor Steel Arkansas
(870) 762-2100 ext 239
We are in the process of choosing our PLC platform for upgrading our melt shop and casting processes. We have narrowed the choices down to the A/B Control Logix or the S7 400 series products.
There are reasons that we like and dislike going to either option, specifically support, availability of spares and training, ease of programming, etc. The question I would like to ask is about the network for each. The availability of Profibus components and manufacturers is quite extensive. We are also familiar with profibus, as we are using it now.
A/B brought a fellow in here to demo Control Net, and of course he believed it to be far superior with it's consumer/producer model. But we don't see much support at all for this network from other manufacturers. It's touted
as being an "open" protocol, but I guess being "open" and being supported are different beasts altogether. Any information would be appreciated, I'm even open to discussion of the Control Logix vs. S7 altogether.
Thank you for any consideration,
Chris Corne
Melt Shop Electrical
Nucor Steel Arkansas
(870) 762-2100 ext 239