Latest PLCs Articles

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems:…

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems: heavy equipment, overhead cranes, and even some robotic controls. But how do they work?

Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to…

Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to heat or cool the system as needed. Simulate a temp controller with low-cost components!

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated…

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated by the color of the insulation. But what are the common colors, and what do they mean?

Mitsubishi's FX series PLC is one of MELSOFT GX Developer’s most popular automation solutions for small and…

Mitsubishi's FX series PLC is one of MELSOFT GX Developer’s most popular automation solutions for small and medium-scale applications. Learn how to use GX Developer software to program the FX series PLC.

AutomationDirect’s Productivity line of PLCs is known for cost-effectiveness and ease of use. Learn how to build and…

AutomationDirect’s Productivity line of PLCs is known for cost-effectiveness and ease of use. Learn how to build and download a simple program using discrete input and output ladder commands.

Arduino’s Opta mini PLC platform is supported by the new PLC IDE. Learn to create and download your first program and…

Arduino’s Opta mini PLC platform is supported by the new PLC IDE. Learn to create and download your first program and take advantage of built-in I/O for an easy introduction to the platform.

OMRON Automation now offers a PLC function block-based cobot palletizing solution that aims to help machine operators…

OMRON Automation now offers a PLC function block-based cobot palletizing solution that aims to help machine operators speed up deployment and boost productivity in manufacturing environments.

Programming simple coil and contact commands is an easy matter in most PLC IDEs. Connecting and configuring analog inputs…

Programming simple coil and contact commands is an easy matter in most PLC IDEs. Connecting and configuring analog inputs can be more challenging with various bit resolutions and conversion commands.

Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the…

Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the differences between RAM, ROM, and removable memory, and how to keep program sizes in check.

Computers understand values as long strings of binary bits, but we humans convert them to other systems for convenience.…

Computers understand values as long strings of binary bits, but we humans convert them to other systems for convenience. Decimal makes sense, but what about hexadecimal and the lesser-known octal systems?

Greater I/O and computing power are becoming necessary as automation takes on more tasks. With its latest offering, B&R…

Greater I/O and computing power are becoming necessary as automation takes on more tasks. With its latest offering, B&R aims to stay ahead of competitors by offering faster control systems with more rapid I/O capabilities.

PLCs need no trade show to announce their presence. But many companies have developed improvements to the traditional…

PLCs need no trade show to announce their presence. But many companies have developed improvements to the traditional platform that can present new opportunities for the future of operational technology.

The S7-1200 is one of Siemens’ most popular PLC options for relatively small automation projects. Learn how to use the…

The S7-1200 is one of Siemens’ most popular PLC options for relatively small automation projects. Learn how to use the Totally Integrated Automation Portal to design simple ladder logic programs.

Hosted by IMEngineering West in Anaheim, CA on Feb 7-9, the Automation Technology Expo (ATX) West is quickly approaching.…

Hosted by IMEngineering West in Anaheim, CA on Feb 7-9, the Automation Technology Expo (ATX) West is quickly approaching. Check out some of the innovative factory automation and robotic solutions to be demonstrated on the show floor.

Learn how to install and program analog modules into Rockwell’s hardware and software environments using a CompactLogix…

Learn how to install and program analog modules into Rockwell’s hardware and software environments using a CompactLogix PLC and Studio 5000.

IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to…

IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to use an MQTT broker to collect the number of cycles from a pneumatic cylinder for PM software.

DC motors are an old technology still commonly used in industry. This hands-on article shows how to implement a Count Up…

DC motors are an old technology still commonly used in industry. This hands-on article shows how to implement a Count Up (CTU) counter on an Arduino OpenPLC Simulator to control a low-voltage DC motor.

Rockwell Automation is known for being one of the most popular PLC brands, supported by many compatible devices. Learn…

Rockwell Automation is known for being one of the most popular PLC brands, supported by many compatible devices. Learn the basics of getting started with a CompactLogix project in the Studio 5000 environment.

Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the…

Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the correct device for your design can be made easier by understanding when to use the proper device.