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Understanding Centralization vs Decentralization of PLCs

Understanding Centralization vs Decentralization of PLCs

Centralized control systems are often seen as outdated compared to decentralized systems; however, both have their advantages and disadvantages when it comes to choosing which one to use in manufacturing. 


Negative Effects of Grounding (Earthing) a DC Power Supply

Negative Effects of Grounding (Earthing) a DC Power Supply

DC voltage systems exist to provide controllers and field devices with stable power, but it is not always clear when these systems should be bonded with the earth ground of the AC line voltage supply.


Programmable Logic Controller (PLC) Hardware

Programmable Logic Controller (PLC) Hardware

Programmable Logic Control (PLC) systems are the core of most industrial control systems that drive modern manufacturing. In this Control Automation video, we discuss the important hardware elements that define a PLC, regardless of its size or purpose.


Control Automation Launches PLC Tutorial Video Series

Control Automation Launches PLC Tutorial Video Series

Watch our 'Introduction to PLCs' series by our very own Control Automation engineering staff. Join us for the YouTube premier LIVE event on Wednesday, July 6th with a Q&A from the video author and engineer.


News Jul 05, 2022 by David Peterson
Balluff Introduces I/O Module with the Protection of CIP Safety 

Balluff Introduces I/O Module with the Protection of CIP Safety 

The newly-announced CIP Safety I/O Module from Balluff supports CIP Safety specifications over an Ethernet network, providing a platform for safety device distribution directly on the machine center.


News Jul 03, 2022 by David Peterson
Working With Legacy Systems—Why Use Serial to Ethernet Converters?

Working With Legacy Systems—Why Use Serial to Ethernet Converters?

One common challenge when working with legacy control systems is establishing communication with old devices that use old protocols like RS232 and RS485. Learn about the importance of converting from serial to Ethernet.


ABB Introduces New Motor Solutions at EASA Convention

ABB Introduces New Motor Solutions at EASA Convention

ABB showcased its latest innovative motor solutions at the EASA Convention in Saint Louis, Missouri on June 26-28. The motors are designed to operate in harsh industrial environments, with different options available to fit customers' changing needs. 


News Jun 30, 2022 by Damond Goodwin
Configuring a Network With Pneumatic Valve Manifolds

Configuring a Network With Pneumatic Valve Manifolds

There are many distributed fieldbus capabilities for valve manifolds that can save on network overhead and wiring. In this article, we will look at PLC programming of fieldbus manifolds highlighting Festo's CPX layout.


Predictive Maintenance: Defect Analysis Using Electrical Current

Predictive Maintenance: Defect Analysis Using Electrical Current

Electrical signal analysis has come to the forefront of predictive maintenance, helping to reduce downtime in industrial manufacturing by remotely identifying problems with electric motors and generators.


Data from Control System to Cloud - Industry 4.0 Communication Protocols

Data from Control System to Cloud - Industry 4.0 Communication Protocols

Communication protocols are a key component for an industry 4.0 compliant facility and are used to enable communication back and forth between cloud servers to transmit data or receive instructions.


Understanding PLC Program Commands: Math Instructions

Understanding PLC Program Commands: Math Instructions

We will show you how to use common math functions from two popular PLC programs—Rockwell Automation's Studio 5000 and Automation Direct Productivity Suite. 


Introduction to Programmable Logic Controllers (PLCs)

Introduction to Programmable Logic Controllers (PLCs)

Programmable Logic Control (PLC) systems are the core of most industrial control systems that drive modern manufacturing. In our Control.com video tutorials, we will share information, experience, and tips for working with PLCs—from the hardware, to the wiring, to the programming logic of inputs, outputs, and communication processes.


Migrating PLC Software

Migrating PLC Software

Software obsolescence poses a threat in industrial automation equal to hardware obsolescence and should not be overlooked. Many PLC OEMs offer tools to migrate upgraded software projects to the newest controller revisions.


Getting Starting with the HART Protocol for Sensing Instruments

Getting Starting with the HART Protocol for Sensing Instruments

The HART protocol enables instruments to send analog and digital signals over the same physical wire. This provides multiple advantages for remote configuration, increased accuracy, and more.


A How-to Guide to Control Automation Day 2022

A How-to Guide to Control Automation Day 2022

Welcome to Control Automation Day 2022—Control.com’s digital-only event for engineers! Here is your guide to navigating the keynote addresses, live educational sessions, and exciting giveaways from your favorite manufacturers!


News Jun 20, 2022 by David Peterson
Understanding PLC Program Commands: Up and Down Counters

Understanding PLC Program Commands: Up and Down Counters

Counting up and down are commonly required functions in PLC lagger logic programs for tracking inventories, placement patterns, and gaining informational insights about machine performance statistics.


Successful Obsolescence Mitigation

Successful Obsolescence Mitigation

Designing an obsolescence mitigation plan to detect and solve mitigation risks before they occur is key to avoiding costly downtime and a potential catastrophe in control environments. 


Schaffner Introduces EMC Filter Series for Data Centers and Robotics

Schaffner Introduces EMC Filter Series for Data Centers and Robotics

Schaffner introduces its newest electromagnetic compatibility filters for data centers and robotic-automation sectors, allowing for different connection options and saving on space with a 1U rack-mount design.


News Jun 17, 2022 by Damond Goodwin
Understanding PLC Program Commands: One-Shots

Understanding PLC Program Commands: One-Shots

Many PLC commands are well-known to programmers, including contacts, coils, timers, and counters. But a less-common instruction is the one-shot, capable of harnessing the incredible processing speeds in a CPU.


Clarifying Misconceptions About Theoretical vs Physical Circuits

Clarifying Misconceptions About Theoretical vs Physical Circuits

Control engineering is integrally woven together with electricity and electrical circuits. Even so, sometimes the most basic scenarios become misunderstood through lack of training or experience.