Industrial automation is rapidly expanding, and PLC (Programmable Logic Controller) and SCADA (Supervisory Control and Data Acquisition) systems are at the heart of modern industries. Whether you're a beginner or an experienced professional, free online training can help you gain essential skills in PLC programming, SCADA system design, and industrial automation. If you’re looking for free PLC and SCADA training, this guide will show you the best resources to start your learning journey.

Why Learn PLC and SCADA?

PLC and SCADA systems are widely used in industries such as manufacturing, oil & gas, power plants, water treatment, and automation engineering. By learning these technologies, you can:

  • Boost your career prospects in industrial automation.
  • Gain practical skills in programming and real-time control.
  • Prepare for job roles like PLC programmer, SCADA engineer, and automation technician.

Best Free Online PLC and SCADA Training Resources

1. YouTube Tutorials

YouTube is a great platform for free PLC and SCADA training. Some recommended channels include:

  • RealPars – PLC basics and industrial automation tutorials.
  • Automation Play – Hands-on SCADA programming and HMI design.
  • Instrumentation Tools – SCADA and PLC troubleshooting techniques.

2. MIT OpenCourseWare

MIT offers free engineering and automation courses covering topics like control systems, electrical circuits, and industrial automation fundamentals.

3. Coursera & Udemy Free Courses

While most PLC and SCADA courses on Coursera and Udemy are paid, they offer free introductory lessons covering:

  • PLC basics and ladder logic programming.
  • SCADA system architecture and communication protocols.

4. OpenPLC Project

This open-source initiative allows learners to download a free PLC simulator, practice ladder logic programming, and work on real-time automation projects.

5. Siemens TIA Portal Training (Free Version)

Siemens offers free access to its TIA Portal, where you can learn PLC and HMI programming through simulation tools.

What You Will Learn in Free PLC and SCADA Training

1. PLC Basics and Ladder Logic Programming

  • Understanding PLC architecture and hardware components.
  • Writing basic ladder logic programs.
  • Working with inputs, outputs, and timers.

2. SCADA System Development

  • Learning SCADA architecture and communication protocols.
  • Designing HMI (Human-Machine Interfaces) for industrial control.
  • Implementing data logging and remote monitoring.

3. Industrial Communication Protocols

  • Understanding Modbus, OPC, and MQTT for industrial automation.
  • Configuring PLC-SCADA communication.

Who Can Benefit from Free PLC and SCADA Training?

  • Engineering students interested in industrial automation.
  • Technicians and operators looking to upgrade their skills.
  • IT professionals transitioning into IoT and automation fields.
  • Job seekers preparing for PLC and SCADA interviews.

How to Get Started with Free PLC and SCADA Training?

  1. Choose a learning platform – Start with YouTube tutorials or OpenPLC simulators.
  2. Practice with free PLC simulators – Use software like Siemens TIA Portal (trial version) or OpenPLC.
  3. Join online communities – Engage in automation forums and LinkedIn groups for guidance.
  4. Work on real-time projects – Apply knowledge by building small automation systems at home.

Future Career Opportunities in PLC and SCADA

With automation advancing, skilled professionals in PLC programming and SCADA system development are in high demand. Industries such as manufacturing, energy, and smart factories are actively hiring automation engineers. By mastering these skills through free training, you can build a solid foundation for a high-paying career.