Latest Energy & Infrastructure Technical Articles

Categories

Set Up For Success | Scheduling Tasks in PLC Programs

Set Up For Success | Scheduling Tasks in PLC Programs

When setting up a new program in a Rockwell PLC, task scheduling is an important and often overlooked issue where errors appear as inconsistencies, often incorrectly attributed to random faults.


Introduction to Common Network Protocols in Industrial Automation

Introduction to Common Network Protocols in Industrial Automation

This article provides an overview of the OSI models, IT/OT industrial protocols, and key applications behind the networking capabilities that drive modern industrial and process automation systems.


Automation Questions: Why Do We Choose Certain Control Voltages?

Automation Questions: Why Do We Choose Certain Control Voltages?

You’ve seen it a thousand times: 24 volts powering a device or representing a trigger signal, but what makes 24 VDC such a versatile voltage, and what about the other voltages in control cabinets?


The Perils of Palletizing Automation and Columbia/Okura’s Solution

The Perils of Palletizing Automation and Columbia/Okura’s Solution

Stacking items on a pallet seems a minor part of the manufacturing process, but it actually requires speed, precision, and flexibility to relieve a heavy burden placed on employees.


Understanding PLC Tags: Controller Scope vs. Program Scope

Understanding PLC Tags: Controller Scope vs. Program Scope

Is it best to ‘controller scope’ or ‘program scope’ your tags? This is the question asked by many new PLC programmers, and it often comes down to personal preference.


Node-RED and a Low-Code Approach to Automation

Node-RED and a Low-Code Approach to Automation

Looking for a way to create IIoT applications for your factory without hiring expensive developers or spending months on the computer? Take a look at Node-RED’s approach to low-code applications.


All About The Legendary Stack Light

All About The Legendary Stack Light

The stack light has a simple but powerful purpose: to report the status of the equipment. Follow along as we take a deep dive into the venerable illuminated signal tower.


Methods of Precision Alignment: Mechanical, Laser, and Vibration Analysis

Methods of Precision Alignment: Mechanical, Laser, and Vibration Analysis

Alignment procedures for pulleys and shafts are a key to preventing costly breakdowns. An effective strategy pairs alignment with vibration analysis to both prevent and predict these downtime events.


Control.com Asks the Experts: Serious Questions About Fluid Valves

Control.com Asks the Experts: Serious Questions About Fluid Valves

After working with solenoid valves for many years, there are still a few questions: is AD or DC voltage better? Do we really need lubrication? I turned to an expert for some answers.


Managing and Configuring Switches for Secure SCADA Networks | Part 2

Managing and Configuring Switches for Secure SCADA Networks | Part 2

Learn about OT resilience strategies, including SSH, authentication, port blocking, and MAC address binding, methods that can be employed to protect network switches.


Advantages of Remote I/O Devices With Networking Technologies

Advantages of Remote I/O Devices With Networking Technologies

Networked remote I/O allows machine centers to operate while physically separated from the rest of the system, and often, the solution can drop right into place.


Should I Connect the Commons or Not? Power Supplies Across Systems

Should I Connect the Commons or Not? Power Supplies Across Systems

When dealing with two or more I/O systems, the subject of power supply commons will arise. Sometimes the solution is simple, but it can require creativity to find the best (and safest) solution.


Precision Alignment: The Key to Energy and Cost Reduction

Precision Alignment: The Key to Energy and Cost Reduction

Alignment is an often overlooked element in operations, leading to both energy efficiency and equipment longevity in rotating machinery.


Troubleshooting Linear Hydraulic Motion

Troubleshooting Linear Hydraulic Motion

Motion systems come in many forms. Hydraulic motion brings some unique problems, not seen in electric systems. This article will focus on how to recognize prominent failures quickly and correctly.


Advanced Boolean Logic with FBD PLC Programming

Advanced Boolean Logic with FBD PLC Programming

Learn about more advanced Boolean logic functions, including truth tables, Schmitt triggers, and multiplexers that can be implemented in a PLC function block programming environment.


Questions for the Experts: Industrial Firewalls

Questions for the Experts: Industrial Firewalls

I had some questions about firewalls for industrial networks, topics like selecting, configuring, and updating the software, so I turned to some experts for a little advice.


Factory I/O: A Modern PLC Simulation Tool to Learn the Fundamentals

Factory I/O: A Modern PLC Simulation Tool to Learn the Fundamentals

Finding a good PLC simulator can be challenging. Read an assessment of Factory I/O and learn how it works, how to get started, and how to use it in your automation learning journey.


Using FANUC’s EGD Protocol for Robot-to-Robot Communication

Using FANUC’s EGD Protocol for Robot-to-Robot Communication

Handshaking between robots can be handled in many ways, one of them being GE-FANUC’s protocol called “Ethernet Global Data,” or EGD. Learn how to set up EGD on a pair of FANUC robots.


Introduction to H-Bridges for Industrial Motor Control

Introduction to H-Bridges for Industrial Motor Control

H-bridge circuits are commonly used to provide current switching capabilities to different electrical components in automated systems like motor control circuits, VFDs, and DC/AC current conversions.


Applications for Single Pair Ethernet: Perspectives for Device Manufacturers

Applications for Single Pair Ethernet: Perspectives for Device Manufacturers

Learn how SPE and Power over Data Line are enabling advanced developments in industrial and building automation, robotics, processing, infrastructure, and energy.