What is SCADA?
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- เผยแพร่เมื่อ 2 มิ.ย. 2019
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The SCADA acronym stands for Supervisory Control and Data Acquisition.
A SCADA system is a collection of both software and hardware components that allow supervision and control of plants, both locally and remotely.
The structural design of a standard SCADA system starts with Remote Terminal Units (RTUs) and/or Programmable Logic Controllers (PLCs).
As you know, RTUs and PLCs are microprocessors that communicate and interact with field devices such as valves, pumps, and HMI’s.
That communication data is routed from the processors to the SCADA computers, where the software interprets and displays the data allowing for operators to analyze and react to system events.
Before SCADA, plant personnel had to monitor and control industrial processes via selector switches, push buttons, and dials for analog signals.
This meant that plants had to maintain personnel on site, during production, in order to control the processes.
As manufacturing grew and sites became more remote in nature, relays and timers were used to assist in the supervision and control of processes.
With these devices employed, fewer plant personnel were required to be on site in order to oversee and control operations.
While relays and timers did provide some level of automation, the panels required for these devices took up valuable real estate, troubleshooting was a nightmare, and reconfiguring was difficult at best.
These issues, in conjunction with the need to grow even larger industrial plants, helped to facilitate the birth of automation.
Controlling industrial plants via processors became a reality in the 1950s. Gas and oil, utilities, and manufacturing were major users of these new technologies and supervisory control.
Another decade later the term SCADA was used to describe systems with PLC’s and microprocessors that were being used for the monitoring and control of automated processes on an even greater scale than ever before. SCADA, back then, was anything but practical.
In the next couple of decades, the ’80s and 90s, with computer systems getting smaller, the advent of Local Area Networking (LAN), and HMI software, SCADA systems were able to connect to related systems.
Later in the ’90s and 2000s, SCADA began to implement open system architectures with communication protocols that were not vendor specific.
As you can imagine, this opened up SCADA’s ability to connect with varying vendors. This newer, more improved SCADA was then called a networked SCADA system.
Current day SCADA systems have adapted to the changing technologies and have a great advantage over the older SCADA systems.
With the adoption of modern IT standards such as SQL and web-based applications, today’s SCADA allows for real-time plant information to be accessed from anywhere around the world.
Having this data at the operator’s fingertips facilitates improved plant operations allowing for responses to SCADA system queues based on field collected data and system analysis.
Essentially, SCADA is a collection of hardware and software components.
This collection of components begins with real-time data collected from plant floor devices such as pumps, valves, and transmitters.
These components don’t have to be from a particular vendor, they just need to have a communication protocol that the processor can utilize.
Data collected from the field devices is then passed to the processors such as PLCs. From the processor, the data is distributed to a system of networked devices. These devices may be HMIs, end-user computers, and servers.
On the HMI and end-user computer, graphical representations of the operations exist for operator interactions such as running pumps and opening valves.
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The value of these free videos on TH-cam is tremendous. Thank you for such quality material!
Glad to hear that, Chris! We very much appreciate that.
LOL I work for Enbridge , I'm a tech in the service center we have SCADA techs ring in, all the calls are high prioirty. good to know what it is ! txs !! Not even sure why this is on my recommended's lol but surprisingly happy it was !
Thanks for the history of the SCADA also. It really helped for my research about history of MQTT.
Glad you enjoyed it!
the timeline part was the best! understood. thankyou.
Great presentation! I loved the history and transitions as computing modernized. Thank you!
Thanks so much!
Just started my MSc and found this so interesting, thanks for your effort, will probably subscribe to one of the courses
Great to hear that, thanks a lot for sharing your positive feedback with us.
We would be happy to see you joining the RealPars family!
Best of luck with your MSc and happy learning!
I used to work for Intellution, Inc. in the late 90's in the driver development group. I wrote the OPC Client driver and added OPC functionality to many other drivers as well as the driver toolkit. I also wrote the Modbus 7.x driver (MB1) and Allen Bradley RSLinx 7.x driver. Basically if you are able to get data from an OPC server into iFIX, I wrote it.
Wow
@@CasperHarris950 Yup. Fun times :)
Hi, how could I connect with you?
@@gold24diamond35 For what purpose?
@@rhoonah5849 Hi, I am a student looking for mentor in industrial automation, Regards.
Network+ prep brought me here. Good look to you all in your networking journey!
Awesome! Thank you!
thank you so much!! It's very clear
You are very welcome!
@@realpars n
excellent explanation. thanks for the knowledge
Thank you, Robby!
Very concise and complete explanation and history of SCADA Systems. It' helps a lot for understanding of SCADA to get a full overview of the its evolution for the Engineers who didn't see it's beginnings. I myself learned a little of SCADA systems at university, but as I started working in the early 2000's, I did it on DCS. The architecture I learned to design was a central field controller conected to the LAN with multiple digital/relay I/Os (and in some cases extension I/O boards) wired to sensors and actuators on the field. A server was connected to it through the LAN and sessions could be started from anywhere with access to the network. From that point a lot of customizations were possible through networking, reporting with SQL and programming additional functions with asp-scripts.
Thanks a million for sharing that with us, Carlos!
I wish you help me learning this scada module... Will u?
Wow
Thank you so much for support..
You are very welcome!
Plol
Love the way u presented the Scada.
Thank u so much.
A very big fan of Real Pars.
Thank u so much.....
So nice of you! We're happy to hear that
Thanks.That may be next project.
Thank you so much, its really great video. Appreciated....
Thanks for your support, Majid! Great to hear that.
Thanks RealPars
Your all videos is very knowledgeable
Thanks for your support, Mohammad!
Happy learning!
Cool, good information for my project!
Great to hear that, Ruben! Best of luck with your project!
thanks a lot i m learning from your vedio .i understand you r my teacher. you r great man
Thank you! Happy learning!
Thankyou so much realpars.....now iam clear reguarding scada
Great to hear that!
Thanks Alot
Please add some code stuff in later videos
Very nice and simple way of explaining the SCADA systems.
Glad to hear that! Happy learning
You could make SCADA on your own m.th-cam.com/video/gqqmAz-gwLU/w-d-xo.html
thank you sir, It is easy to understand
Great to hear that! Thanks for your support.
Excellent quality work. thanks.
Thank you, Ahmed!
Clear concise introduction
Thank you!
@@realpars Thank you
Thank you. Good videos.
Happy to hear that, Bayram!
Thanks...plz do a video about OPC-UA and RAMI 4.0
Thanks for the topic suggestion, I will definitely go ahead and forward this to our creator team. Happy learning!
There is a DDS-OPC gateway being standardized now
Amazing explaination 😊
YES SIRR!
Nice video, I am trying to understand these are some what difficult topics.
Realpers, please teach us about PID CONTROLLERS basics essentials and initials and also with using (Op amp).
Thanks for your comment, Qaiser! I will see if our creator team can create a video course on those topics!
Thanks 🔥
The best youtube channel about automation !!!!
Thanks a million, Mauricio!
Thank you,good videos
Thanks a lot! Happy learning!
Excellent presentation.
This was Quite Helpful ! Thanks
Glad it was helpful, Soufiane!
thank u for this... now i know what scada is... i think i might start studying PLCs
Great to hear that! Happy learning, James!
Thanks a lot for valuable information 🙏🌹
Always welcome!
Thank you so much guys.. Stay healthy, stay strong. Hv a nice weekend...
You're more than welcome, Muhamad! Happy learning.
Wonderful simplification
Glad you think so!
Great video!
Excellent Documentation
Thank you!
Please can you make an overall video about safety relay on how to connect it
Hi Khalil, thanks for the topic suggestion, I will go ahead and forward this to our creator team. Happy learning!
Great presentation, very clear
Glad you liked it!
Thanks for the video 🙏
But more explanation 😜 please ❤️!
You're very welcome, Aymen!
Great video, please share us more about PID circuit and the PID controllers .
Thanks for your topic suggestion! I will happily pass this on to our course developers.
Happy learning!
Nice Explanation
Thanks ❤
Thanks a lot and you're very welcome!
Great Documentation
Happy to hear that, Amit!
Excellent 👍, very easy and informative video
Glad it was helpful!
Love ya'lls vids
Thanks, Michael!
* also, use a person that understands systems when applying scada and remember to use " dumb" switches in combination with scada . No one wants an software adjustable safety function wich by accident can be tampered with so automation is good, but to be used with system knowledge. Systems are still sometimes complex
Thank you dear great work
You're very welcome, Moa!
Thanks , helpful for B.Tech CSE
Happy to help!
Great effort
Thanks a lot, Mohammed!
Sir I want to ask question about reporting in scada.
I have designed the report in the report designer(wincc 7.4) and create a print-job. I want to know how to save the report automatically with tag trigger on a particular location and give the file name with tag
There is one option in the print job setup dialog for printing a report as PDF file. You need to install WinCC data monitor to use this option, otherwise it will be disabled.
You may need to use a "C" or "VB" script to do exactly what you are suggesting, but it may be easier to create the PDF file and then run a script to rename the file.
See: support.industry.siemens.com/tf//ww/en/posts/wincc-automatic-save-reports-as-pdf-with-script/170733?page=0&pageSize=10
Any WhatsApp group of scada
Top excelente
Pls could you prepare videos for Honeywell DCS . Many thanks 😊
Thanks for the topic suggestion, I will definitely go ahead and forward this to our creator team. Happy learning!
In support of your suggestion ☺️
thank you
So thanks
Thank you for this informative video. However what are the prerequisite to learning SCADA?
There are really no absolute prerequisites, but it would help to understand: 1) 4-20ma loops, 24 VDC switches,. and basic circuitry, 2) PC software and networking, 3) some general understanding of the process you are trying to control, 4) simple concepts of programming of controllers or PLC's, and 5) some technical savvy and curiosity. RealPars courses at Realpars.com can certainly help with items 1, 2, and 4. Having hands-on acccess to a SCADA system and exploring its features, hardware, software and interconnections would be a great way to begin to understand these systems.
Scott Sommer your WhatsApp number
Can you provide us any student version SCADA software?
Hi!
We currently have the following links to download different software.
STEP7 V5.6: sie.ag/2Hw6UKy
STEP7 and WinCC V15: sie.ag/2Eo3LKJ
TIA Portal Version 15 sie.ag/2J7tZ4y
Hopefully, these are still helpful to you.
Happy learning!
Thanks for sharing ... informative ...pls share software link.
Great videos goood job just keep posting thnx
Thank you, Elvis!
impressive, informative
Glad it was helpful!
Superb explaination❤❤
Thank you very much!
good to see
thank you ~ 나는 한국인이다. 많은 정보 배우고 간다. 친구들한테 공유 많이할게
can you explain the biggest difference between SCADA and DCS? Because, I still confused about it. It's seems similar, although they're different
Hi Naufal,
Thanks for your comment! We have a full video on the differences between SCADA and DCS, that will hopefully answer all your questions. th-cam.com/video/B3YVpgs9RY4/w-d-xo.html
Happy learning!
The way I understand it DCS is essentially a plant-scale control system, and SCADA is sort of a plant-scale HMI
thanks for this informative videos
You're very welcome!
Excelent!
Thanks, Irina!
Good video sir thanks for sharing
You're very welcome!
Awesome !!
Thank you!
Nice Videos,
can you make an video how automation works in Vial filling line (washing,capping,Depyrogenation tunnels) and also the servers which will be used for this
Hey Santhosh!
Thanks for your comment and your topic suggestion. I will pass this on to our course developers!
Thanks for sharing and happy learning!
Thanks for this interesting video
Glad you enjoyed it!
Thank អរគុណ
niceeee. good job well explanation
Thanks a lot!
Very informative
Glad it was helpful!
Nice job!
Thank you, Hamza!
Dear real pares, Could you review the SCADA application for MV transmission line ?
And also for MV distribution grid.
Hey!
Thanks for your comment and your suggestion. I will pass this on to our course developers!
Thanks for sharing and happy learning!
your video help me a lot, thank you:) , now you have new subcriber.
Glad to hear that, Muhamad! Happy learning.
You are good thank you
Thank you!
Thanks a lot, am working in the mine control used SCADA system but I don't understand it very much
With what software do you create the video layouts with the components etc. ?
Thank you for your comment! Regarding your question, I am not sure about that as our course layout is created by our graphic and animation department.
thanks
Please could you prepare a demonstration on how scada can be used in nurse call systems
Thanks for your feedback and topic suggestion! I will happily go ahead and share this with our course developers
The SCADA system offers an automatic real-time controll to softly shut down industrial equipment during outages when installed UPS systems are running out of battery?
Not that I am aware of. What I normally dp is set up an input from the UPS to the PLC (hardwired input) so that I know when the system has switched to UPS. I know the UPS will last 15-20 minutes,. so after 10 minutes, I start the orderly shutdown. Many of the latest UPS systems have much better interfaces that should be able to communicate UPS status to the SCADA system via OPC or other interface.
What a video,its just great
Thanks a lot, Payal!
When do we need to use a DCS and when we need to use SCADA to me they look the same what we can do in SCAD we can do it on DCS so please some one tell me the difference
This is a question people have been asking for years, although it really is not a critical question. You are correct; they really look quite similar from a topology standpoint. When the term DCS was introduced, it referred to controllers and I/O networked together in a plant with a single-window interface, the operator station. This was quite a shift in architecture from the operator panel with switches and strip charts. Later, laboratories, pilot plants and other processes wanted to have the ability to monitor and control their processes, without the high cost of DCS systems. So PC-based SCADA systems were developed with board-level I/O and PC-based HMI applications. LabView was one of the first and is still the most widely-used of these SCADA systems. Over time, SCADA systems have become more and more powerful, and DCS systems have become less proprietary and lower cost. As a result, there is not a lot of difference between the two any longer.
Is it mandatory to study firstly PLC programming to start SCADA systems?
No, it is not mandatory. You will develop an understanding as you go about the PLC memory layout, since the tags in the HMI will likely need to be pointed to memory areas in the PLC to provide equipment status, setpoints, receive commands, etc. You can develop HMI programs that do not require an understanding of any PLC programming concepts beyond the table tables. In most cases, a controls engineer can provide you with the PLC addresses that correspond to the various HMI tags, so learning the data table structure will come naturally as you work with those addresses.
Excellent 👍🌹
Thank you!
Nice stats bro keep it on👍. #SCADA
Thanks a lot!
May I know the differences between SCADA and IIOT? Thank You
Hi there,
Thanks for your comment!
That would actually make for a great topic for a future video courses. I will happily pass this on to our course developers!
Thanks for sharing
Samething,there is no differences....
Thanks អគុណបង👍👏
You're welcome!
RealPars
Please where can i download SCADA simulator for free? Please need your advice... I need safe website.
Hey!
Thanks for your comment!
Unfortunately, I won't be able to help you with a free downloadable version of SCADA simulator. However, we do sell STEP7 simulators on its own, or in a Starter Kit over here bit.ly/2l4YjWD
Feel free to have a look around, if you have any questions, please let me know!
Happy learning!
RealPars it says coming soon
Please can you make a vidoe on clamatix semiens? Thank you
Hey!
Thanks for your comment and your suggestion. I will pass this on to our course developers!
Thanks for sharing and happy learning!
Can you do a video of faultfinding under fault conditions and testing requirements
Thanks for your feedback and suggestion! I will happily go ahead and forward this to our course developers.
I used to manually operate sewage pumps onboard a US Navy carrier. It seems like SCADA could easily be implemented for this purpose too, no?
Yes, SCADA can be used in small installations or large installations to visualize and control most any process. Maritime systems I have worked on have been as small as a dozen I/O or as large as several hundred. The hardware and software in a SCADA system is easily scaled to any size system or process, from a single well-head to a complex tanks farm and loading facility.
You can operate from your mobile phone
Good job
Thank you!
@@realpars welcome
Thanks a lot
I need a video for DNP3 vs Modbus.
You are very welcome, Mahmoud! Thanks for the topic suggestion, I will definitely go ahead and forward this to our creator team. Happy learning!
@@realpars
Thank you for your interest in my request
amazing
Great! Thanks for sharing.
Please make a video for fanuc servo drive system svm..
Thanks for your topic suggestion, I will happily go ahead and forward that to our course developers.
Happy learning!
Can ABB & SIEMENS PLCs be connected through SCADA if my plant is as old as 35 years
Yes, as long as each of those PLCs has any kind of serial interface. Many companies provide interfaces for every kind of communication protocol. What interfaces does your system have to these PLCs?