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After taking this course, you’ll be able to:

  • Describe what is meant by “good control” and how it is achieved

  • Explain what a feedback control loop is and identify its various parts

  • Describe and analyze the behavior of the first order process with deadtime.

  • Create the logic necessary in the PLC to establish a PID control block and its associated configuration and data values

  • Perform tuning of a process control loop using logic programmed in the PLC.

  • Create a feedback signal in the PLC ladder for testing of the PID controller

  • Use the built-in tuning tools in TIA Portal to optimize the tuning of the PID controller.

Course curriculum

    1. 1. Introduction to Control Loops and PID Control

    2. 2. Process Reaction Curves and the PID Equation

    3. 3. PID Controller Tuning Parameters

    4. 4. Tuning a PID Controller in Two Different Ways

    5. 5. Building a PID Control Scheme in the PLC

    6. 6. Developing a Process Variable Simulation to Test a PID Loop

    7. 7. Completing the Simulation Code and Downloading to the PLC

    8. 8. Testing the PID Control Loop with the PLC Simulator

    9. 9. Tuning the PID Control Loop with the PLC Simulator

About this course

  • 9 lessons
  • 1.5 hours of video content
  • Pro Course
  • Earn Certificate of Completion

Ideal for you if…

  • You are ready to expand your knowledge of Siemens S7 programming into specialized instructions, such as the PID control block.

  • You are ready to learn how to control the execution of blocks which require specific timing

  • You are a technician and are required to tune controls loops as part of your job f-right

  • You enjoy interacting with process systems in an effort to improve their performance


In other Realpars courses, you learned that proper calibration of sensors yields more accurate process measurements. This is the foundation for achieving what is called “good control”. Good control, in turn, leads to efficient and safe process operations.

In order to achieve good control, an understanding of the behavior of a process when it is subjected to changes in process measurement or control valve position is necessary. In this course, the concept of a first-order process reaction curve and the PID control equation is presented.

We will use the process reaction curve to determine the proper adjustments, called tuning parameters, that should be made to the PID controller to keep the process running smoothly.

A heat exchanger temperature controller will be programmed in the PLC and a real-time simulation of the actual process behavior will be created so that the tuning of the PID controller can be demonstrated. In the final video in this course, the built-in auto-tuning feature of TIA Portal will be demonstrated.

Prepare for better pay & bigger responsibility

Jake Watkins

Since I started training a few months ago, I can see there’s been a huge difference in how much more efficiently and effectively I can handle PLC repairs in the field. Our clients are telling management how happy they are to get back online more quickly and save money because I’m turning around faster fixes. I definitely recommend it for anyone who needs PLC training at any level.

Mario Flores

I needed to get up to speed on working with Siemens PLC equipment and came across RealPars training on YouTube. I watched my first video and immediately went to the website and signed up as a student. I like the way information is explained step-by-step and that it’s broken down into small chunks…I can go back and review anytime I want. I’m already seeing that I can perform repairs faster and with more confidence. Three of my co-workers were so impressed, they signed up for RealPars, too.

Meet your instructor

Scott Sommer, PE, CAP

Scott Sommer has worked in the automation industry for over 37 years. In addition to his full-time job as Director, Automation Engineering Professional Development at Horizon Controls Group, Scott is proud to help develop the next generation of automation engineers. In his free time, he’s a RealPars instructor and an ISA trainer.

Here’s why you’ll succeed

  • One-on-one support

    Stuck or have a question? You get unlimited support from our team of proven PLC programming experts.

  • Laser-focused lessons

    We only teach you exactly what you need to know to master a PLC course. No fluff, filler, or wasting your time.

  • Experienced instructors

    All PLC training courses include step-by-step instructions from the world’s best so you can join their ranks and gain an unfair advantage.

The RealPars guarantee

  • Suited for all skill levels

    we’ll help you get the skills you need to stand out and get hired!

  • Learn practical skills

    You can immediately apply learnings and improve your results.

Start learning now

You'll get access to this course and ultimate access to the rest of the courses in the library.


  • Can I get a certificate for this course?

    Yes. RealPars will issue a Certificate of Completion (certified by RealPars) when you complete the course.

  • What is the required software?

    TIA Portal Basic V16 or higher

  • Can my employer purchase a course for me?

    Yes. Most people enroll individually, and then submit their receipt to their employer for reimbursement. However, if your employer has a tuition budget and wants to train 5 people or more, you can send us an email at [email protected] and we will help you with bulk signup.

  • Can I register for a course if I am working full time?

    Of course. All of our course content is pre-recorded, so you can work and study on your own time.

  • Do I have to travel to take this course?

    Nope! All our courses are offered online, so you can take them from anywhere in the world. All you need is a high-speed internet connection and the applicable software for your course.