How to Use the ACC PLC Simulator — Control Panel Scene Tutorial

How to Use the ACC PLC Simulator — Control Panel Scene Tutorial

If you’ve ever wanted to practice PLC ladder logic without buying hardware, the ACC PLC Simulator is built for you. It’s free, it runs in your browser, and it uses standard PLC register conventions. No downloads. No license fees. Just open the page and start programming. In this tutorial, I’m going to walk you through … Read more

7 Critical Ladder Logic Mistakes That Trip Up New Programmers!

Here are the top 7 problems and concepts beginners struggle with using ladder logic (Ladder Diagram). Ladder logic is a programming language used in PLCs, and it is based on the graphical representation of electrical relay logic circuits. Many beginners struggle with ladder logic because it requires a different mindset than traditional programming languages like … Read more

Ladder Logic (NO) Contact – 3 Things to Know

Ladder Logic Normally Open (NO) Contact - 3 Things to Know

Normally open (NO) contacts or inputs in the PLC ladder logic program do not mean the same as a wired normally open switch. NO contacts on the ladder logic provide the logic condition for the rung to turn on the output. We will be looking at three things about the normally open (NO) contact on … Read more