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

  • Explain what is RS232 and what is it used for

  • Explainlan what is RS485 and how it differs from RS232

  • Describe one example where Rs485 is used in Industrial Control Systems

  • Explain what is Modbus?

  • Explain how the Modbus Communication Protocol Works

  • Explain the difference between WiFi and Industrial Wireless

  • Explain how Industrial Wireless Communication Works

  • Explain what is ISA100 Wireless protocol and state the purpose of ISA100 Wireless Compliance Institute (WCI)

  • List and describe the steps to ISA100 product development and certification

  • Explain what is Fieldbus and list 5 protocols in the Fieldbus group

Course curriculum

    1. 1. What is RS232 and What is it Used for?

    2. 2. What is RS485 and How It's used in Industrial Control Systems?

    3. 3. What is Modbus?

    4. 4. How does Modbus Communication Protocol Work?

    1. 5. WiFi vs Industrial Wireless - What is the difference?

    2. 6. How does Industrial Wireless Communication Work?

    3. 7. How can we improve Wireless Radio Modulation?

    4. 8. What is ISA100 Wireless?

    5. 9. ISA100 Wireless Applications | Single, Plant-Wide Wireless Network

    6. 10. How to build an ISA100 wireless product?

    1. 11. What is Fieldbus?

    2. 12. What is Ethernet?

    3. 13. What is ControlNet?

    4. 14. What is OSI Model?

    1. 15. What is Ethernet/IP?

    2. 16. What is EtherCAT?

    3. 17. What is IO-Link and How does it Work?

    4. 18. What is AS-Interface?

    5. 19. What is DeviceNet?

    6. 20. How to Unlock Your Machine’s Data with IO-Link

    7. 21. How to Set the IP Address of Your Computer

About this course

  • €1.000,00
  • 21 lessons
  • 2.5 hours of video content


The Industrial Networking Fundamentals course is intended to introduce participants to the various communication methods and protocols used in industry.

The course begins with an introduction to the 2 most basic serial communication methods – RS232 and RS485. Modbus, a proprietary language commonly used in industry, is discussed in detail.

Examples of how Modbus communication protocol works between Modbus devices is demonstrated. Participants will be shown the difference between a typical home wireless network using Wi-Fi and an Industrial Wireless network. A detailed discussion continues around how Industrial Wireless Communication works. The International Society of Automation (ISA) Wireless Protocol is described and explained in detail. An entire lesson in the course is dedicated to the ISA100 Wireless Compliance Institute (WCI) and how it supports Industrial Wireless users.

In addition, to complete this course on communication methods, there are detailed discussions on topics such as the OSI Model, Fieldbus, Ethernet, ControlNet, Ethernet/IP, EtherCAT, IO-Link, AS-Interface, and DeviceNet.

Ideal for you if…

  • You are interested in Industrial Communications and different protocols

  • You are responsible for communications between hardware devices in a plant or field environment

Prepare for better pay & bigger responsibility

Eduardo Cali

I’m a maintenance technician at my company and I recently transferred to automation. We’re working more and more with Siemens so I needed to get up to speed on the newest PLC software. RealPars videos feel like a real classroom experience. The instructors are great…they’re easy to follow and they make the lessons relevant to real-world applications and I like that. I definitely recommend RealPars.

Mario Flores

I tried other online training, but I have to say that RealPars instructors helped me connect the dots in a way the others didn’t. I was able to expand my Siemens knowledge…I only knew Allen-Bradley…now I understand the differences and similarities better. I find RealPars to be a professional and affordable way to get the big picture of PLC as well as gain lots of practical knowledge.

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 lifetime access to this course.


  • Can I get a certificate for this course?

    "Industrial Networking Fundamentals" is a free course. No certificate will be granted for completing a free course. However, You will receive a personalized certificate of completion once you have fully finished a course (that provides a certificate) while being a Pro member.

  • What is the required software and hardware for this course?

    There won't be any specific hardware or software required for completing this course.

  • 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.