PLC vs SCADA vs DCS

What's the difference between #PLC #SCADA & #DCS?

A PLC, Programmable Logic Controller, reads inputs, executes logic, and writes to outputs.

A SCADA, Supervisory Control and Data Acquisition connects to a group of PLC's and provides remote monitoring, control, and alarming.

A DCS, distributed control system, has both SCADA and PLC functionality. The PLCs are sometimes called RIO or RTU units often run proprietary or application-specific code, such as a rolling mill DCS.

SCADA can then connect to a DCS using drivers such as Kepware Technologies to integrate the DCS system with other applications across your plant/enterprise.

Hope this answers your question!

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[flamencoguitarist]

I did my engineering in Electrical back in 2004, I am into IT for 18 years now and forgot almost everything I studied in college days, ... then I saw your videos... they are tempting me to revise SCADA, PLC, MATLAB, EMS, etc... wish I had your YouTube videos back in early 2000's.. amazing yet simple explanations!!

[tanvvichaudhary]

Must say, your explanation is as simple as it can get. I am working for a company and planning a marketing strategy for their automation products. Even though I am an electronics engineer, I have never tread tht technical path so I had to rely on internet for my research and product and segment understanding. I have found your videos so so useful that now I have better clarity and understanding as to how to approach things further.

[alfredojrflores]

K.I.S.S. = keep It Short & Simple - straight forward & yet detailed explanation, thank you

[sharvarishirke]

And for the first time I actually understood the difference! Thanks a lott:)

[asabx]

Thank you for the excellent explanation! The use of specific analogies and examples was also very helpful.

[generalengineerph]

Very Good explanation. Proud Electrical Engineer here

[GMSR]

Great explanation. at 4.35, it was mentioned that ETHERNETs are not used for DCS communication But I would like to add that Honeywell DCS EPKS uses only ETHERNET for their communication.

[samirelzein]

Loved it, so clear, the dude knows exactly what he s talking about.

[wateroverwifi]

Finally someone who explains it plainly

[komailbutt]

Thank you very much for answering my question. I am literally surprised to see my comment in your video. Thanks again Sir.

[jessicaflores]

I've been learning about all these components and systems for a few months now and after this video it has all magically clicked. It feels pretty empowering to finally "get it".

[abdullahammar]

Thank you very much for your great explanations. Now I am more understand about PLC Vs SCADA Vs DCS 🤗.

[qzhk]

SCADA was more a term used for line pipe or power line monitoring and management used by utility companies.
As a former EMC DCS controls engineer we could hook to anything.

[silverdoggg]

Best Explanation of these systems thank you

[ammarraeszahari]

Thanks Sir for helping me in gaining more knowledge about the PLC, DCS and SCADA.😄

[nuramyliyaazahari]

A really great video to understand about this topic !!
Good job sir !!

[coldeasy]

Thanks for the great explanation. Very easy to understand!

[steffenpo]

One of the best comparsion of the DCS and PLC systems. :) very good.

[nursyaheeraamila]

I understand better after watching this video! Thank you for ur explanation🤗

[alianajeeha]

Thank you sir for the great explanations..it really helps me to understand more about the PLC, DCS and SCADA😊