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The Art of Maintaining and Repairing Hydraulic Cylinders

The Art of Maintaining and Repairing Hydraulic Cylinders

Hydraulic cylinders and actuators can quickly move heavy objects and provide strong clamping forces. But when they break down, the effects can be catastrophic and the repairs costly and timely.


Understanding Delta-Wound Three-Phase Motors for Industrial Applications

Understanding Delta-Wound Three-Phase Motors for Industrial Applications

There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and connections look similar on the outside, this article discusses the internal construction for Delta wound motors.


Human Machine Interface (HMI): Controls and Data Types

Human Machine Interface (HMI): Controls and Data Types

An overview of HMI data types, input controls, output indicators, and message functions, the building blocks used to construct informative and appealing HMI applications.


PLC CPU Modes Explained: Run, Stop, and Program

PLC CPU Modes Explained: Run, Stop, and Program

A PLC can be placed in Run or Stop, or occasionally Program mode, usually through physical or virtual methods. But what do these modes mean, and when should they be used?


PLC Programming: Best Practices for Function Block Diagrams

PLC Programming: Best Practices for Function Block Diagrams

Function block diagrams can be a useful tool, but they can also add a lot of complexity. Learn about the what, when, where, and why of function block diagram (FBD) programming.


Ethernet Ports on Controllers: How Many, and What do They Do?

Ethernet Ports on Controllers: How Many, and What do They Do?

Some controllers and network devices have one port, while others have two. Why is there a difference, and what advantages does having two network ports actually provide?


A Tale of Two Standards | Comparing Analog Voltage and Current

A Tale of Two Standards | Comparing Analog Voltage and Current

Analog voltage and current are the dominating standards for industrial technology. Is one format better than the other? And if so, why do both signal types still exist in modern systems?


Three Things About IO-Link Sensors That May Shock You

Three Things About IO-Link Sensors That May Shock You

Control.com’s Director of Engineering got to explore IO-Link sensors and what he found might surprise you! Although still considered an “emerging” technology, it’s clear IO-Link technology boasts several bonafide benefits over traditional sensors.


Wood You Look at That? The Incredible Automation Controlling Lumber Mills

Wood You Look at That? The Incredible Automation Controlling Lumber Mills

From forest to felling, logging road to mill, finished lumber’s adventure on its way to market is filled with control and automation. Learn about the process from start to finish and how lumber mills ensure the world has access to high-quality lumber thanks to control technology.


System Dynamic and Frequency Response Analysis

System Dynamic and Frequency Response Analysis

Understanding the building blocks of s-domain analysis and magnitude response theory can go a long way in helping engineers predict how and why some system design choices are made over others.


What Does ‘Explosion Proof’ Mean, and Who Should Care?

What Does ‘Explosion Proof’ Mean, and Who Should Care?

Some workplaces are more dangerous than others, not because of the practices, but rather the products. Where do explosions occur, and what practices exist to reduce such risk for equipment and workforce?


Explaining User-Defined Data Types for PLC Programming

Explaining User-Defined Data Types for PLC Programming

User-defined data types (UDTs) are a powerful and useful tool when applied to their full advantage. However, misused, they can become problematic and introduce roadblocks to troubleshooting and upgrading PLC programs.


Creating a Low-Cost OpenPLC Pulse Timer Function Block HMI with an M5Stack Core

Creating a Low-Cost OpenPLC Pulse Timer Function Block HMI with an M5Stack Core

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief tutorial on how an M5Stack Core can offer a simple, effective low-cost Arduino OpenPLC HMI solution.


Understanding the Automation Lingo: PLC, PAC, RTU, DCS, and SCADA

Understanding the Automation Lingo: PLC, PAC, RTU, DCS, and SCADA

What are these terms, PLC, PAC, RTU, DCS, SCADA? Why are they so important to industrial robotics and automation? Explore how each different piece functions to build a comprehensive automated system.


Examples of Analog Signals in Control Systems

Examples of Analog Signals in Control Systems

Many articles address the wiring and implementation of analog control signals, but where are they used, and what might make them a better (or perhaps worse) decision than digital input/output devices?


Potential Problems Arising from Misuse of Motor Phase Wiring

Potential Problems Arising from Misuse of Motor Phase Wiring

Using the right motor for the right task is critical - but what happens if the motor is connected to the wrong supply? It is never recommended, but important to quickly understand symptoms of incorrect wiring.


Fundamentals of Directional Control Valves in Fluid Control Systems

Fundamentals of Directional Control Valves in Fluid Control Systems

Directional control valves (DCVs) come in many shapes and sizes for pneumatic and hydraulic applications. Learn to distinguish the different configurations and the meaning of external markings.


Examples of Digital Signals in Control Systems

Examples of Digital Signals in Control Systems

Digital signals hold a prominent position due to their compatibility with computers. But what are digital signals, and what are some examples of the various devices used with digital inputs and outputs?


Panel Builder’s Guide to Grounding and UL 508A Standards - Part 1

Panel Builder’s Guide to Grounding and UL 508A Standards - Part 1

Ground wires reduce the risk of injury and damage from faulty equipment. Shops designing according to the UL 508A standard must understand how, when, and why to properly ground and bond circuits.


Simulating Ladder Logic Programs in GX Simulator2 With Mitsubishi PLCs

Simulating Ladder Logic Programs in GX Simulator2 With Mitsubishi PLCs

GX Simulator2 is one of MELSOFT’s essential tools for the simulation of programs in a virtual PLC and works with GX Works2. Learn how to virtually simulate and test your ladder programs.