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Differences Between a Programmable Logic Controller (PLC) and a Remote Terminal Unit (RTU)

Differences Between a Programmable Logic Controller (PLC) and a Remote Terminal Unit (RTU)

Despite the many overlaps, PLCs and RTUs are two different devices, each with specific suitable applications.


CAN-to-fiber Converters for Long-distance Sensor Monitoring

CAN-to-fiber Converters for Long-distance Sensor Monitoring

Moxa releases a CAN bus to fiber optic converter for industrial automation and automotive applications, giving the CAN bus protocol a speed and distance boost.


News Oct 17, 2022 by Shawn Dietrich
Understanding NPN vs PNP for Sensors and Devices

Understanding NPN vs PNP for Sensors and Devices

You are bound to encounter two terms associated with sensors and some loads: ‘NPN’ and ‘PNP’. You must understand the relationship between the field device and the control module in order to choose and install components properly when needed.


Industrial Control Panel Design Standards and Best Practices

Industrial Control Panel Design Standards and Best Practices

Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate industrial control panel design for safety and efficiency, including NFPA 70, UL 60947-4-1, and NFPA 79. 


Easier Signal Connections With New Banner Junction Blocks

Easier Signal Connections With New Banner Junction Blocks

Merging shared signals has been the job of terminal strips and junction boxes since the early days of electrical systems. Banner Engineering’s new molded junction blocks ease the process for assembling and troubleshooting.


News Aug 29, 2022 by Shawn Dietrich
Thermocouple Types: Which One Is Right For You?

Thermocouple Types: Which One Is Right For You?

There are many considerations when selecting a thermocouple type. In this article, we look at the advantages, and limitations, of the eight standard thermocouples and various installation considerations.


Active Power, Reactive Power, Apparent Power, and the Role of Power Factor

Active Power, Reactive Power, Apparent Power, and the Role of Power Factor

The diverse power terms in electrical generation systems include active, reactive, and apparent power, all of which lead to the introduction of ‘power factor’ effectiveness in an AC circuit.


The Annual EETech Engineering Survey of 2022

The Annual EETech Engineering Survey of 2022

The quality of content from our educational site comes from understanding our audience and your needs. Help give us the best snapshot of today’s control industry, along with a free chance to win one of several Amazon card prizes!


News Aug 09, 2022 by David Peterson
Grounding for Control Transformers

Grounding for Control Transformers

Grounding transformer connections presents its own set of challenges. This article addresses these challenges and several common configurations for control transformer grounding.


Finally: Phoenix Contact Unveils XTV Push-in Connector Type Suitable for Stranded Wire

Finally: Phoenix Contact Unveils XTV Push-in Connector Type Suitable for Stranded Wire

Three main terminal block styles have dominated the control landscape: screw-down, spring-clamp, and push-in. Although this last style speeds up troubleshooting and installation, it has been a challenge to accept stranded wires, until now.


News Aug 02, 2022 by David Peterson
Banner Releases its New R70 Ethernet Data Radio for Industrial Networking

Banner Releases its New R70 Ethernet Data Radio for Industrial Networking

Banner releases its latest industrial Ethernet communications extension, the R70 Ethernet Data Radio, to help manufacturers embed the IIoT within their operations.


News Jul 25, 2022 by Stephanie Leonida
Interrupting Dangerous Current Flow: Fuses vs. Circuit Breakers

Interrupting Dangerous Current Flow: Fuses vs. Circuit Breakers

Fuses and breakers are some of the most common safeguards to prevent electrical shock and fires. Learn about these two pieces of industrial equipment and the difference between slow blow and quick blow responses.


CTRL F3: Factory Explosion Field Study

CTRL F3: Factory Explosion Field Study

The CTRL F3 series reviews field studies and failures in the field focused on control fails, fixes, and facts. This article covers an explosion at an industrial sawmill.


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.


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.


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.


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
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.


Industrial Cabling Solutions: HELUKABEL Acquires EKD and Sangel

Industrial Cabling Solutions: HELUKABEL Acquires EKD and Sangel

HELUKABEL adds EKD Systems and Sangel Systemtechnik to its network to become a complete electrical connection system solution provider.


News May 26, 2022 by Stephanie Leonida
Controlling Hydraulic Devices with Open and Closed Loop Systems

Controlling Hydraulic Devices with Open and Closed Loop Systems

What if you could control the end position and the speed of a hydraulic actuator accurately with just a simple signal? Some systems use simple open/close valves, but others require far more precision.