Top 13 Automation Engineer Interview Questions & Answers (Part 2 of 2)
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- čas přidán 10. 07. 2024
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With this video, we will continue with where our previous video, What are the leading Industrial Automation Job types? (realpars.com/automation-job/), closed with beginning the discussion on Automation Job Interview questions.
So now that we have learned about the Automation Job types let’s move on to learn more about some of the questions you’ll be asked during an interview.
The job description and degree of responsibilities vary and so you should align your capabilities with the experience required. What type of job interview questions will you be asked?
Question 1. What are the five IEC1131 programming languages?
Answer: Instruction List, Structured Text, Ladder Diagram, Function Block and Sequential Function Chart.
Question 2. Explain PID Based Control System?
Answer: PID or Proportional Integral Derivative is widely used in closed-loop control.
PID controllers maintain the output to a device so that there is zero error between process variable input and setpoint to the device.
Question 3. Please explain the difference between a PLC and DCS?
Answer: a PLC is a ruggedized computer used for automating processes.
A DCS is similar to a PLC in that it has rugged computer controllers however the DCS contains multiple autonomous controllers that are distributed throughout a system, also used for automating processes.
Question 4. What Is Encoder?
Answer: An encoder is a rotary device that outputs digital pulses which from angular motion. The encoder consists of a wheel with alternating clear stripes detected by optical sensors to produce the digital outputs.
Question 5. What Are the different components used in automation?
Answer: The components of the automation system include sensors for sensing temperature, pressure, flow, level and etc.,
Question 6. Who are the leading PLC providers?
Answer: Leading PLC providers include Rockwell Automation Allen Bradley, Siemens, Schneider Modicon, and GE Fanuc.
Question 7. Who are the leading DCS providers?
Answer: The leading DCS providers include Yokogawa, Honeywell, Fisher-Rosemount, ABB, Moore, and Foxboro.
Question 8. Who are the leading SCADA software companies?
Answer: Leading SCADA software companies are Aveva Wonderware, GE Cimplicity, GE iFix, Siemens WinCC, Iconics Genesis64, Inductive Automation Ignition, Rockwell Software FactoryTalk View.
Question 9. What types of sensors are used for measuring?
Answer: Temperature, Pressure, Flow, Level, Conductivity, Density, Ph type sensors.
Question 10. What is transmitter?
Answer: A transmitter is an electronic device mounted in the field or plant close to a sensor.
The sensor transduces a measured physical variable like temperature and then outputs a low electronic signal to a controller.
Question 11. Why is 4-20 mA preferred over 0-10 V Signal?
Answer: The 0-10 V signal has the tendency to weaken over a long distance because of resistance.
The 4-20 mA can travel a long distance without dropping signal value.
Question 12. Why is 4-20 mA preferred over 0-20 mA signal?
Answer: With 0-20 mA you cannot easily determine between minimum field value and a wire break. With the 4-20 mA, a wire break can be determined.
Question 13. Difference between 2-wire, 3-wire, and 4-wire transmitters?
Answer: For a 2-wire transmitter the power and signal are transmitted through the same cable. For a 3-wire transmitter, the data signal and power are with respect to common ground and for a 4-wire transmitter two of the wires are used for power and two wires are used for signals.
Be ready to answer a few more questions, for example;
- Have you lead any projects, please explain how you were successful?
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What are the leading Industrial Automation Job types? (Part 1 of 2)
realpars.com/automation-job/
How to prepare for the job interview questions as an Automation Engineer (Part 2 of 2)
realpars.com/interview-questions
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#RealPars #Interview #Automation
Yes, kind of accurate. 2 months ago I had a 1 hour 'long' interview at a multinational company and for me the questions were the following (I will list any, including the ones in the video):
1. What kind of industrial communication protocols do you know? Tell me something about them. (ModbusTCP/RTU,PROFINET,PROFIBUS,etc.)
2. What is the difference between PROFIBUS/PROFINET? What component is needed to PROFIBUS, how and why we use it? (resistor at the end of the bus)
3. What are a 5 PLC languages widely used? (IEC standard)
4. Write an easy PLC program in the language you prefer. (I dont remember correctly but they tested if I could use S,R,Timer,NO input,NC input, Relay output,positive and negative edge detection correctly.)
5. Tell me about the OB blocks of a PLC (OB1, OB100,..)
6. There is a sensor, you could use voltage or currect signal, what would you prefer and why?
7. Difference between 0-20 and 4-20 mA.
8. Widely known PLC manufacturers
Thanks for sharing that with us, Barden!
Ee
Can u plz share me the answer of 6 th qsn exactly
i assume this was for an advanced apprentice or job interview, not a level 3 interview? thanks
@@vishnukr8010 Current signal is more preferred over Voltage because Voltage will be lost over increased distance which is not the case for current.
this is why i really love this video...
I'm jus an industrial motor control technician at my work.. and now.. I'm getting further on with automation job..
I really appreciate the steady volume and calm, clear voice in this video. Thank you for the information. I will listen to this several times while driving a tractor trailer vehicle carrying cargo across the nation. 🚛
You're very welcome!
Get back and every thing in this video still excited.
When my work (a manufacturing site) held interviews looking for a Automation Project Manager, I was amazed that none of the interviewees could not answer basic questions like: "give me an example of a project that you lead to implement a PLC control system?", "when working in a blue chip team how would you influence others to make your project their focus to achieve your goals?". The interviewees were more interested in being technical about signals and coding, rather than basic team skills.
You referred "Signals and coding" here... Will you explain little bit more about it. I am seeking for APM post. It may be much helpful to me in my preparation, sir.
Nice...I always wondered why 4-20mA was preferred over 0-20mA, now I have the answer. Thanks!
Amazing video as always, keep up the amazing work. Many thanks to you and your team.
Thanks a lot for your kind compliment, Mangani! We are always extremely happy to hear such positive feedback! If you ever have any questions, feel free to reach out to us.
Happy learning!
in one year i´m going to need these 2 videos again. Thanks
How'd it go?
Awesome Video, Thank you so Much. I’ve watched more Than 20 videos from you guys, all of them very didactic, practical and easy to understand. You guys are doing a great job. 👏🏻👏🏻👏🏻
Glad you like them! Thanks for your support, Juan
Thanks for this. This makes me much more confident for my interview. Glad I knew all of these.
Glad it was helpful! Best of luck with your interview!
You are tremendously helpful for automation workers. Thank you!
Thanks a million, Asd! That's a huge compliment.
Thanks Realpars! Keep it up🔥
You are very welcome, Zubair!
I've dabbled in automation for years as a maintenance technician, but that first question would of sunk me right off the bat! :D
Same here. Senior Automation Engineer in control programming, 17 years of experience. If they would ask me that during the interview I would tell them to go see Wikipedia. :)
i know 4 of the 5 🤣
Thank you Real Pars! It was very useful. I am not clear with grounding part in 2W/3W and 4W
Can you please explain grounding part in 2 wire,3 wire & 4 wire configuration. Thank you in advance.
very useful and understanding
much needed creator(s) thanks
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I thank you deeply RealPars for creating these 2 parts videos about job interviews, I'm currently preparing myself to apply for an amazing job on the industrial control field, I also share your videos so your channel would continue growing.
That's amazing! Keep up the good work, and all the best of luck with your job hunt!
I've recently taken the past 6 months to learn controls and automation, and I'll start applying here shortly. Thanks for the possible questions!
Great job! You're very welcome, and best of luck with applying!
Thank you.... This is much useful for next interview 👍
Great to hear! Best of luck!
Great Video! Thanks!
Thank you!
I just want to say thank you for each and every videos you help me alot 😘
You are so welcome! We're happy to hear that, Usman!
Thank you very much. This is a very useful video.
Great to hear that, thanks for sharing!
Thank you, this is great.
You're very welcome!
Thanks #realpars for the wonderful work.
You are very welcome, Usman!
Thanks for your video! I'm Lead Automation Control Engineer from Ukraine. My experience shows that in Ukraine most popular PLC are Siemens, Schneider Electricctric and Mitsubishi. I/O module are Siemens, Schneider Electric, Phoenix Contact and few WAGO). SCADA are WinCC, Citect SCADA ,Wonderware and Trace Mode.
can u put ur whatsapp num to Discuss to you?
Thanks. This channel is amazing. Thanks!
Glad you enjoy it! Thanks for your support, Omar
Good Information with answer
Very good refresh program
Thank you so much sir, for amazing simplified explaination important concepts.
You are most welcome!
Superb video
ThankYou RealPars ..
Nice video
You are welcome!
Thank you for this wonderful video
You're very welcome!
I'm from UK. Nice channel for Industrial Automation infos
Hi bro I'm planning to study MSC automation control in uk.. May u please share ur whatsapp number
Thank You for this Video its very Helpfull...
You're very welcome, Sundar! Glad to hear that you found it helpful!
Thanks a lot for this.
Our pleasure!
Thank you very much for your kind support 🙏
You're very welcome!
This is the best video i have ever seen ❤❤
Glad to hear that, Pravin! Happy learning.
so well explained and high quality, I will definitely invest in your paid courses. thank you for the value provided please keep going :)
Thanks a lot for your support, Billy! Glad to hear that. Feel free to reach out if you have any questions along the way.
Happy learning!
Thanks you for real pars very useful video again 100 times THANK you.
You're more than welcome!
Thank you so much. Means a lot
You're very welcome!
Basic but challenging interview question. Thanks
Most welcome!
Excellent video RealPars, this will be my work in the future.
You are very welcome, Hector! Happy learning.
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Wow. That's interesting! Thank you. I'm a Procurement and Supply chain professional and this is very useful. Thank you
Glad it was helpful! Always feel free to reach out if you have any questions or concerns.
This Video was awesome the animation answer are really helpful and let me understand the answer clearly! Thanks for Sharing this Video
That is great news, Maria! If you ever have any questions, always feel free to reach out to us - we are more than happy to help!
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Very good video!!
Thank you, Marc!
very usefull video
Very nice sir
nice info. I regularly follow u guys, u so helpful
Thanks for your support! Glad to hear that.
Thank You for this very useful video if not for this we're not going to improve our knowledge.
Glad it was helpful, Joehanes! Happy learning!
I found the Q/A in this video helpful from a learning standpoint nevertheless for an interview. Whether it may be easy or not it does give you a line of thinking to think of question wise.
Thank you, Ardent! Happy to hear that you found it helpful.
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So good
Thankyou, please make more such videos
Happy learning!
I wish you all the best. I will share this channel on some sites
Thanks for your support, Abbas!
Thanks for this guide, im actually going later an interview in automation engineer.. i hope i got this!
Glad to hear that, you're very welcome! Best of luck with your interview!
I love you REALPARS
Thanks for your support!
Thank You Your information
Our pleasure!
From Bangladesh --
I love you Real Pars....!!!💟💟💟
Thanks a lot from my deep soul....!!!💗❤❤❤💙💛💛
Thank you, Ali!
Thanks
tnx for all of this informations I'm from Iran and some topic like this helps me to improve my soft skills
That's great to hear, Mehdi!
Terrific..
Expect more👍
Types of thermistor and differece between ptc thermistor and rtd were also asked.
Thanks very useful
You are very welcome!
Always simply superb 😍
Thanks a lot!
Hello RealPars, could you do this kind of videos more. Right now I've finished bachelor in "Automation and Control". And I really appreciate what you are doing on this channel. Looking forward to see videos like that🙂👍
Thanks for your support, Kalybai!
Haaii. Iam from kerala, india.
Iam a EEE DIPLOMA Student. Can i take bachlor in Automation?
Or can you suggest a course to study A&C.
😊
@@mohammednavaf9152 Btech in mechatronics
that's a very interesting video. and it would be quite useful for me to transfer to the other company. thanks for your contribution to creating that kinds of videos 😊😊
You're more than welcome! We're happy to read that.
Very nice tutorial
Thank you!
The answer to question number 5 should also include human-machine interface devices. Not only screens but buttons, boards, buzzers, and control lamps of all kinds.
Interesting video tank you .
Glad you enjoyed it!
Good video I'm ready for the next one...!!! I'm waiting.
Which country?! Uk?!
Great to hear that, Rajan! Thanks for your support.
@@SaeedAcronia India, sir.
@@realpars thank you, sir. For good info. Please continue this. Always supporting you. Thanks 🙂🙏.
Thanks a lot! This video is very helpful !!! #Automation
Great to hear that! Thank you!
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Thank you so much
This video was beneficial for me.
Great to hear that! Happy learning.
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@@quickworldautomation5463 LINK NOT WORKING; VIDEO REMOVED. CAN YOU PLEASE RELOAD THE LINK
Thankyou verymuch
You are welcome!
Thank you
You're welcome
liked the subject
please make more videos this helped us alot
Glad to hear that! Happy learning
It's absolutely great,
Sir please make videos on SCADA systems like WINCC and Wonderware also describe their integration with PLCs through kepserver with full playlist tutorials thanks
Thanks for your feedback and suggestions, Junaid! I will happily pass this on to our course developers.
According to this video I am ready.. Thanks realpars
this video is the equivalent of making sure you have a pulse. very foundational questions. you need to know these things in order to even begin discussing other deeper concepts, but know that the ability to acquire information / answers is more important than already having them!
Good information very useful important automation video. Lot of thanks Real pars
Always welcome!
@@realpars how are you sir
I have interview soon, how this helps it looked so helpful
Best of luck with your interview! :) Glad to hear that we could help with our courses.
U R The best ❤️😍😍
Thank you, Ehab!
Excuse me, I've got a little problem with the HMI communication to plc s7 1500. They use a different port, HMI uses rs486 while the plc uses profinet. I've tried to use the Aten converter from rs 485 to ethernet but the HMI still can't communicate with the plc. Please help if you have the answer. Thanks.
BTW some interviewers can give you a Ramsey test or similar the day of the interview. Be sure to have enough time for the interview or ask before getting there if you feel in confidence to do so.
Good your video and explanation are great PRO.
Please detail about Automation project management role.
programming language standard IEC 1131 as revised to 61131
Nice video, can you do a series on instrumentation calibrations? For all process variables. I’d be interested in signing up to the app if this was available! Thanks again
Hey!
Thanks for your comment and your suggestion. I will pass this on to our course developers!
Thanks for sharing and happy learning!
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very nice
Glad to hear that!
hello.. I want to learn more of this kind of topic.
Thankyou Realpars could you explain DCS related information and some of the interview questions for instrumentation engineering.
Hey!
Thanks for your comment and your suggestion. I will pass this on to our course developers!
Thanks for sharing and happy learning!
I’m beyond nervous, I’ve worked in food processing plants for 2 years and am very familiar with SCADA interfaces and sensors, etc… but never have had a maintenance position besides doing HVAC since i was 16 with my father… i somehow got a callback for interview for tomorrow, I’m so nervous, I’m a nerd with electronics and love working with my hands so it’s a mix of both my dream jobs, programming and maintenance… i really hope i nail this interview. If i don’t, I’m gonna continue to study and do research to eventually get my career.
Best of luck with your interview, Andrew!
@@realpars thank you guys!
Perfact video
Thank you, Abbas!
I need to learn PLC programming
I would include question about industrial interfaces and protocols.
Привет. На примерь что?
Wᴏᴡ ɴɪᴄᴇ ❤️👍
Thank you!
Please clear modbus and other types of communication.
Top stuffs!😍🔥❣️
Thank you - great to hear that!
Sir please upload more automation based interview questions and answers I'm very interested your each and every vedio thanks sir
Hi Mathew,
Thanks for your comment and topic suggestion! I will happily go ahead and forward this to our course developers.
Happy learning!
Nice video I want u start lessons on ignition it will help
Great to hear that!
Hello RealPars,
As fresh graduate in the field of ICS Automation and Cybersecurity, would love to know the possible paths ahead and the different certification available out there to increase our value and understanding.
Kind Regards
Great suggestion! I will pass this on to our course developers, Abdul!
Thanks for sharing
Thank you very much....Please, will like to know more...is there any classes
You're very welcome!
There certainly is, we have a complete course library filled with over 500+ video courses on PLC Programming. Feel free to have a browse around learn.realpars.com/
Hi realpars..
I want to ask because I'm still a beginner, how is the principle that the PLC input can directly read the 4-20mA signal which is used as a value in the circuit setting …thankyou
Hi there,
Thank you for your question! Like the rest of the PLC, the input analog boards are made with various electronic components like transistors, MOSFET, OPS, A/D converters, resistors …etc. The input analog board’s first measurement stage is mainly the A/D converters’ IC chips that take the 4-20mA analog current signal and convert it to digital. It’s a little more complicated than the way it sounds here. Here is a link to help you understand more about the process and electronics.
Happy learning!