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Best PLC Programming Classes for Beginners and Professionals

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August 18, 2025
9 min read
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Best PLC Programming Classes for Beginners and Professionals

Programmable Logic Controllers (PLCs) are the backbone of modern industrial automation. Whether you're a budding engineer or a seasoned professional looking to upskill, mastering PLC programming is crucial for a successful career in this field. But with so many options available, finding the right PLC programming classes can feel overwhelming. This article will guide you through the best PLC programming classes, catering to both beginners and experienced professionals, helping you make an informed decision and advance your skills.

Why Learn PLC Programming?

PLCs are specialized computers used to control and automate industrial processes. They are found in various industries, including manufacturing, oil and gas, water treatment, and transportation. Learning PLC programming opens doors to numerous career opportunities and allows you to:

  • Design and implement automated systems.
  • Troubleshoot and maintain existing PLC-controlled equipment.
  • Improve process efficiency and reduce downtime.
  • Advance your career in automation engineering.
Key Insight: PLCs are essential for modern industry. Investing in PLC programming skills significantly enhances your career prospects and earning potential.

PLC Programming Classes for Beginners

If you're new to PLC programming, starting with the fundamentals is essential. These classes focus on providing a solid foundation in PLC concepts, ladder logic, and basic programming techniques.

Key Topics Covered in Beginner Classes:

  • Introduction to PLCs: History, architecture, and applications.
  • Numbering Systems: Binary, octal, decimal, and hexadecimal.
  • Basic Logic Gates: AND, OR, NOT, XOR.
  • Ladder Logic Programming: Understanding rungs, contacts, coils, and timers.
  • Introduction to PLC Software: Navigating the programming environment and creating basic programs.
  • Hands-on Exercises: Practicing basic programming tasks on simulated or real PLCs.

Recommended Beginner Classes:

  • Allen-Bradley PLC Basics: Offered by Rockwell Automation and various training providers. Focuses on Allen-Bradley PLCs, a widely used brand in North America.
  • Siemens PLC S7-1200/1500 Basic Training: Offered by Siemens and their authorized partners. Covers the fundamentals of Siemens PLCs, popular in Europe and Asia.
  • Online PLC Programming Courses on Udemy and Coursera: These platforms offer a wide range of PLC programming courses for beginners, often at affordable prices.
Professional Tip: Start with a class that focuses on a specific PLC brand. This will give you a more focused learning experience and allow you to develop practical skills that are directly applicable to real-world applications.
Beginner PLC Course PopularityBeginner PLC Course Popularity50%75%25%100%0%A-BSiemensOmronMitsubishiOther

PLC Programming Classes for Professionals

For experienced PLC programmers, advanced classes offer opportunities to deepen your knowledge and develop specialized skills. These classes cover topics such as advanced programming techniques, communication protocols, and troubleshooting strategies.

Key Topics Covered in Advanced Classes:

  • Advanced Ladder Logic: Mastering complex programming structures, such as sequencers, state machines, and PID control.
  • Structured Text Programming: Learning the ST language, a powerful text-based programming language for PLCs.
  • Function Block Diagram (FBD): Understanding and using FBD for complex control systems.
  • Communication Protocols: Implementing communication between PLCs and other devices using protocols such as Ethernet/IP, Modbus TCP, and Profinet.
  • HMI (Human-Machine Interface) Development: Designing and programming HMIs for operator control and monitoring.
  • Advanced Troubleshooting: Diagnosing and resolving complex PLC-related issues.

Recommended Advanced Classes:

  • Allen-Bradley Advanced PLC Programming: Offered by Rockwell Automation and authorized training providers. Covers advanced topics for Allen-Bradley ControlLogix and CompactLogix PLCs.
  • Siemens TIA Portal Advanced Training: Offered by Siemens and their partners. Focuses on advanced programming techniques using the TIA Portal software.
  • Specialized Courses on Communication Protocols and HMI Development: These courses are often offered by specialized training providers and focus on specific aspects of PLC programming.
Professional Tip: Consider taking a class that focuses on a specific industry or application. This will allow you to develop specialized skills that are in high demand in that industry.

Comparison of Advanced PLC Programming Languages

Programming LanguageDescriptionAdvantagesDisadvantages
Ladder LogicGraphical programming language based on relay logic diagrams.Easy to understand for electricians and maintenance personnel, widely used.Can be difficult to implement complex algorithms.
Structured Text (ST)High-level text-based programming language similar to Pascal.Suitable for complex algorithms, structured programming, and mathematical calculations.Requires more programming experience, less intuitive for some users.
Function Block Diagram (FBD)Graphical programming language based on connecting function blocks.Good for representing complex control systems, easy to visualize.Can be less efficient for simple logic operations.
Sequential Function Chart (SFC)Graphical programming language for sequential control applications.Ideal for batch processes and state-based control.Not suitable for continuous control applications.
PLC Programming Language UsagePLC Programming Language UsageLadder Logic (40%)Structured Text (25%)FBD (20%)SFC (15%)

Online vs. Offline PLC Programming Classes

When choosing a PLC programming class, consider whether you prefer online or offline learning. Both options have their advantages and disadvantages.

Online Classes:

  • Advantages: Flexibility, convenience, affordability, access to a wider range of courses.
  • Disadvantages: Requires self-discipline, limited interaction with instructors, potential for technical issues.

Offline Classes:

  • Advantages: Hands-on experience with real PLCs, direct interaction with instructors and classmates, structured learning environment.
  • Disadvantages: Higher cost, less flexibility, limited availability of courses.
Warning: Be wary of online courses that promise unrealistic results or lack practical exercises. Look for courses with positive reviews and a proven track record.

PLC Programming Certification

While not always required, PLC programming certification can demonstrate your expertise and enhance your career prospects. Several organizations offer PLC certification programs, including:

  • Rockwell Automation: Offers certifications for Allen-Bradley PLC programmers.
  • Siemens: Offers certifications for Siemens PLC programmers.
  • ISA (International Society of Automation): Offers a Certified Automation Professional (CAP) certification that covers PLC programming and other automation topics.

Frequently Asked Questions

What is the best PLC brand to learn?
Allen-Bradley and Siemens are the two most popular PLC brands. Choosing one depends on the industry and region you're interested in. Allen-Bradley is dominant in North America, while Siemens is more prevalent in Europe and Asia.
How long does it take to learn PLC programming?
The time it takes to learn PLC programming varies depending on your background and learning style. A beginner can expect to spend several weeks or months to grasp the fundamentals, while mastering advanced concepts can take years of experience.
Do I need a computer science degree to learn PLC programming?
No, a computer science degree is not required. However, a background in electrical engineering, mechanical engineering, or a related field can be helpful. Many successful PLC programmers come from technical trades or have completed vocational training programs.
What software do I need for PLC programming?
The software you need depends on the PLC brand you're using. Allen-Bradley uses Studio 5000 and RSLogix 500, while Siemens uses TIA Portal. These software packages provide the programming environment, simulation tools, and communication interfaces for PLCs.
What are the job prospects for PLC programmers?
The job prospects for PLC programmers are excellent. As industries continue to automate their processes, the demand for skilled PLC programmers is expected to grow. Job titles include Automation Engineer, Controls Engineer, PLC Programmer, and Robotics Technician.
How much does a PLC programmer make?
The salary for a PLC programmer varies depending on experience, location, and industry. According to recent data, the average salary for a PLC programmer in the United States is between $70,000 and $120,000 per year.

Conclusion

Choosing the right PLC programming classes is a crucial step towards a successful career in industrial automation. Whether you're a beginner or an experienced professional, there are numerous options available to help you develop your skills and advance your career. By carefully considering your learning goals, budget, and preferred learning style, you can find the perfect class to meet your needs.

Ready to start your journey into the world of PLC programming? Explore the recommended classes mentioned in this article and take the first step towards becoming a skilled automation professional!

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