PLC Programming & Industrial Automation

Master PLC Programming, One Blog Post At A Time

Hands-on tutorials, real-world troubleshooting tips, and clear explanations for every major PLC platform. Whether you're wiring your first ladder rung or optimizing a complex SCADA system, PLCBlog gives you the practical knowledge you need to grow as an automation engineer.

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200+

Tutorials Published

9+

PLC Brands Covered

50K+

Monthly Readers

100%

Free To Read

3 easy steps

How PLCBlog Works

A simple path from curious beginner to confident PLC programmer. Pick a topic, follow the tutorial, and apply what you learn on real hardware or simulators.

Pick A Topic

Browse tutorials by PLC brand, programming language, or skill level — find exactly what you need to learn next.

Follow Clear, Practical Tutorials

Step-by-step guides with ladder logic, structured text, and wiring diagrams — written by engineers, for engineers.

Apply It On Real Hardware

Take what you learned to your workbench, simulator, or shop floor — and start solving real automation problems.

Community Voices

What Our Readers Say

Discover how PLCBlog has helped engineers, technicians, and students level up their PLC programming skills through clear, practical tutorials and insights.

John Smith

Automation Engineer

"PLCBlog has become my go-to resource whenever I hit a wall on a Siemens TIA Portal project. The tutorials are clear, practical, and written by someone who has obviously been on the shop floor. It saved me hours on my last commissioning."

Emma Rodriguez

Controls Engineer

"I came to PLCBlog looking for a quick refresher on structured text and ended up reading half the site. The explanations finally made PID tuning click for me after years of guessing. Highly recommend it to anyone moving from ladder logic to ST."

Michael Chen

Maintenance Technician

"As a maintenance tech, I do not always have time to dig through manufacturer manuals when a line goes down. PLCBlog's troubleshooting articles on Allen-Bradley faults have genuinely helped me get production back up faster more than once."

Sarah Johnson

Electrical Engineering Student

"I am studying electrical engineering and PLCs were barely covered in my coursework. PLCBlog filled in the gaps — I went from zero to building my own ladder logic projects on a simulator in a few weeks. The beginner series is gold."

Carlos Gomez

SCADA Developer

"What I appreciate most about PLCBlog is the focus on real-world scenarios. The posts on SCADA integration and Modbus communication helped me design a cleaner architecture for a water treatment project. Practical knowledge you can actually use."

Olivia White

Process Automation Engineer

"I have been in process automation for over a decade and PLCBlog still teaches me something new every week. The deep dives on CODESYS and IEC 61131-3 standards are some of the best I have found online. A genuinely valuable resource."