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Hands-On with the Arduino Opta Using OpenPLC

Hands-On with the Arduino Opta Using OpenPLC

Using an Arduino Opta PLC, a few off-the-shelf electrical components, and the popular OpenPLC software environment, automation control concepts can be built on your own test bench.


Remote Networking: Explaining VPNs for Control Engineers

Remote Networking: Explaining VPNs for Control Engineers

It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering team contacted our friends at OnLogic to gain some insight into VPN technology.


Intro to CODESYS: First Project Using CMZ Hardware

Intro to CODESYS: First Project Using CMZ Hardware

CODESYS is an automation software that is independent from any one vendor, capable of many PLC, I/O, and motion operations. However, being vendor-agnostic can present challenges. Learn how to get started.


Lock Out/Tag Out: The Law, The Purpose, and The Details

Lock Out/Tag Out: The Law, The Purpose, and The Details

The purpose of LOTO is to create a method of reducing the chance that a worker will be exposed to hazardous energy. It’s important for companies to establish an SOP for standardized LOTO practice.


A Visit From Safety Nick

A Visit From Safety Nick

‘Twas the Night Before Christmas: like you’ve (probably) never heard it before.


Merry ControlByWeb-mas! A Fun Holiday Light Show Project

Merry ControlByWeb-mas! A Fun Holiday Light Show Project

As an engineer, why would you settle for simply plugging and unplugging your Christmas lights when you could, instead, spend many hours automating this very important December job? Let me show you.


What are ‘Eddy Currents’ and Why Do They Matter to Motors?

What are ‘Eddy Currents’ and Why Do They Matter to Motors?

Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn, can drive current on their own. That’s not always a good thing.


The Importance of Air Preparation in Pneumatic Systems

The Importance of Air Preparation in Pneumatic Systems

Compressed air is a common economical way of adding motion to your automated equipment, but the air needs to be filtered, regulated, and sometimes lubricated. The air prep unit does all that and more.


Ignition: An Example of OPC UA Data-Driven Manufacturing

Ignition: An Example of OPC UA Data-Driven Manufacturing

Truly understanding how to implement IIoT technology requires tangible examples of machines, platforms, and data insights that give relevance to high-level concepts.


Tutorial: Using a Beckhoff IPC for Timing and Counting

Tutorial: Using a Beckhoff IPC for Timing and Counting

Timers and counters are two of the most important fundamental function blocks in automation programming. Learn how to use TwinCAT 3 to program and monitor these important function variables.


Using OPC UA | Industrial Connectivity with KEPServerEX

Using OPC UA | Industrial Connectivity with KEPServerEX

Learn about how one example platform, KEPServerEX by PTC, uses OPC UA to integrate machine centers with various communication protocol differences, the ultimate goal of M2M integration.


The Rolling Showdown: Belt vs. Roller Conveyor Systems

The Rolling Showdown: Belt vs. Roller Conveyor Systems

Conveyor systems come in all shapes and sizes, with factors like the drive motor and conveyor style influencing the control method. Join us as we dive into the world of automated conveyance.


Guide to Wiring: Conductor Materials, Styles, Sizes, and Best Practices

Guide to Wiring: Conductor Materials, Styles, Sizes, and Best Practices

The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to long-term success or haunting tales of intermittent yet persistent failures.


Comparing SLC and ControlLogix PLCs: An In-Depth Review

Comparing SLC and ControlLogix PLCs: An In-Depth Review

The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation of most of the series, we look at the differences between SLC and modern Logix PLCs.


All About PLCs: Input/Output Modules

All About PLCs: Input/Output Modules

If your facility or workplace uses a PLC, it’s almost certainly because it must interface with physical input and output devices. What kinds of I/O modules exist, and how can you tell the difference?


Applications of Industrial AI: Quality Control

Applications of Industrial AI: Quality Control

Several use cases for industrial AI get a lot of attention, like maintenance and process optimization. Learn how AI has been used for years to ensure high-quality product monitoring and output.


Reversing the Rotation of an Industrial 3-Phase Motor

Reversing the Rotation of an Industrial 3-Phase Motor

Many online sources explain how to reverse a 3-phase motor; this article will discuss the electrical principles that define why it works and how the phase relationships determine the rotation direction.


Industrial Maintenance: How AI Can Predict Failures Before They Happen

Industrial Maintenance: How AI Can Predict Failures Before They Happen

Predicting when maintenance should occur isn’t simply a matter of getting on board with the latest trend, it can save many thousands of dollars in lost downtime and unnecessary parts and labor.


Seal-In Ladder Logic vs. Latching/Unlatching PLC Commands

Seal-In Ladder Logic vs. Latching/Unlatching PLC Commands

An age-old debate in PLC programming: investigating the uses and caveats of latching software commands versus seal-in ladder logic for industrial control applications.


The Beginner’s Guide to Automation: Maintaining Your System

The Beginner’s Guide to Automation: Maintaining Your System

It's important to keep your system up and running without regular intervention. While every system requires maintenance, never overlook the critical importance of tools and training for the operators.