EMR Contacts in Applications

electro-mechanical contacts (EMC) in applications

This EMR Applications article was written by Chris Urban, an automation educator and PLC trainer with over 40 years of hands-on experience. Find Chris on YouTube and LinkedIn. — CU In the complex world of automation, reliability often boils down to a single, fundamental component: the electromechanical relay (EMR) contact. Whether you are troubleshooting a legacy system or … Read more

PLC Programming Tutorial: Build a Conveyor System (ACC Simulator)

In this tutorial, I am going to walk you through the Conveyor Scene in the ACC PLC Simulator. This is a single-axis belt conveyor with proximity sensors at each end and a box that travels back and forth along the belt. You will write a ladder logic program that starts the conveyor, detects the box … Read more

Relay Symbols and Abbreviations Glossary

Do you really understand relays?

This article was written by Chris Urban, an automation educator and PLC trainer with over 40 years of hands-on experience. Find Chris on YouTube and LinkedIn. — CU This is the fourth article in the relay series. If you missed the previous one, start here:The Relay Obituary? Not So Fast! Before diving into how relay contacts are used in … Read more

Control 3D PLC Scenes With Zero Hardware? Here’s How…

You Don't Need Hardware to Control 3D PLC Scenes!

In this tutorial, I will show you how to connect the ACC PLC Simulator’s 3D Control Panel Scene to the BRX Do-More PLC using Modbus TCP over Ethernet. We will use the Do-More Simulator that comes built into the Do-More Designer programming software. This means you don’t need any physical hardware. You will write real … Read more

Is It Really Worth Building a PLC Trainer?

This article was written by Chris Urban, an automation educator and PLC trainer with over 30 years of hands-on teaching experience. Find Chris on YouTube and LinkedIn. — CU It’s a fair question — and there’s no simple answer. Let me give you an honest one. How the PLC Was Born The person who invented the PLC had a … Read more

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

Why Your PLC Dies Without the Right Power Supply!

Why Your PLC Dies Without the Right Power Supply!

If the Programmable Logic Controller (PLC) is the brain of an industrial automation system, the power supply is undoubtedly its heart. Without a clean, reliable flow of energy, the most innovative control systems in the world are just expensive paperweights.In the complex ecosystem of an industrial control cabinet, managing power isn’t just about turning things … Read more

What if DIGITAL TWINS Could Transform Your Factory Now?!

What if DIGITAL TWINS Could Transform Your Factory?

Stop Wasting Money on PLC Training Hardware: Why Digital Twins Are Revolutionizing Industrial AutomationWhat if you could test your entire factory floor before spending a single dollar on equipment?Welcome to the world of digital twins—and Nirtec’s Machines Simulator is leading the charge.The Million-Dollar Problem Nobody Talks AboutHere’s the harsh reality: Traditional PLC training and industrial … Read more

Can I Use CLAUDE AI to Program a PLC Successfully?

Can I Use CLAUDE AI to Program a PLC Successfully?

We will be using Claude AI Desktop to determine if we can program a PLC using a ladder logic diagram. Has AI learned enough to be useful when programming? We will take the results and enter the AI PLC program into the Do-More Designer PLC Simulator to verify. Remember that any AI output result needs … Read more

What is PLC Logic in Scan Cycles REALLY Doing?

What is PLC Logic in Scan Cycles REALLY Doing?

Discover the inner workings of PLC logic in scan cycles and unlock a deeper understanding of industrial automation. We delve into the world of Programmable Logic Controllers, exploring the intricacies of scan cycles and how they execute PLC logic. Learn how PLCs process inputs, execute programs, and update outputs in a continuous cycle, and gain … Read more