A shunt resistor connects in series with a load to measure the high current in the DC circuit. Using Ohm's law, the current value can be calculated by measuring…
A shunt resistor connects in series with a load to measure the high current in the DC circuit. Using Ohm's law, the current value can be calculated by measuring the voltage across the shunt.
Have you ever disassembled a motor and wondered how it rotates? Throughout this article, we’ll discuss electromagnetic…
Have you ever disassembled a motor and wondered how it rotates? Throughout this article, we’ll discuss electromagnetic induction and how magnetic fields can be utilized to generate motion.
The choice to ground or float a power supply is not always clear in the NEC. This article explains floating or fixing a…
The choice to ground or float a power supply is not always clear in the NEC. This article explains floating or fixing a DC supply with respect to ground and how circuits can be functionally constructed both ways.
‘Twas the Night Before Christmas: like you’ve (probably) never heard it before.
‘Twas the Night Before Christmas: like you’ve (probably) never heard it before.
Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn,…
Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn, can drive current on their own. That’s not always a good thing.
Voltage is a simple topic at the surface, yet also extremely complex, with thousands of scenarios involving the unseen…
Voltage is a simple topic at the surface, yet also extremely complex, with thousands of scenarios involving the unseen forces of electron flow all around us. These 7 facts might surprise you!
Even though electrical safety practices have existed for over a century, arc flash safety has only gained traction in…
Even though electrical safety practices have existed for over a century, arc flash safety has only gained traction in recent decades. This article discusses the danger and prevention of arc flash injury.
The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to…
The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to long-term success or haunting tales of intermittent yet persistent failures.
The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation…
The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation of most of the series, we look at the differences between SLC and modern Logix PLCs.
Learn about the modules and systems that provide a network connection to the outside world, transforming traditional PLCs…
Learn about the modules and systems that provide a network connection to the outside world, transforming traditional PLCs into true, modern process automation controllers (PAC).
Embedded, modular, panel mount, distributed, machine mount, and remote, oh my! What does it all mean, and how are you…
Embedded, modular, panel mount, distributed, machine mount, and remote, oh my! What does it all mean, and how are you supposed to know which one to choose for your application?
Electrical grounding is used to accomplish several different tasks, but none more important than for the safety of users…
Electrical grounding is used to accomplish several different tasks, but none more important than for the safety of users and equipment while maintaining strict adherence to regulations.
Learn all about the power supply: modular and built-in devices that deliver electricity to the PLC backplane and modules,…
Learn all about the power supply: modular and built-in devices that deliver electricity to the PLC backplane and modules, and learn the difference between control and field device power delivery.
Many online sources explain how to reverse a 3-phase motor; this article will discuss the electrical principles that…
Many online sources explain how to reverse a 3-phase motor; this article will discuss the electrical principles that define why it works and how the phase relationships determine the rotation direction.
Two primary technologies are used for creating touchscreens. For industrial HMIs, resistive and capacitive methods both…
Two primary technologies are used for creating touchscreens. For industrial HMIs, resistive and capacitive methods both contain certain advantages for various applications.
Do you know enough about electricity to poke around in a conversation, but not inside a breaker panel? Read on for an…
Do you know enough about electricity to poke around in a conversation, but not inside a breaker panel? Read on for an introduction to electricity in a way you’ve (probably) never heard it before!
Learn about serial and parallel data communication modes, errors, and flow controls used in connecting legacy and even…
Learn about serial and parallel data communication modes, errors, and flow controls used in connecting legacy and even some modern point-to-point network devices.
Logic is critical for industrial control, and it usually looks like ladders, function blocks, or structured text. I/O…
Logic is critical for industrial control, and it usually looks like ladders, function blocks, or structured text. I/O controllers are designed to automate simple logic tasks and data functions.
Nidec’s Control Techniques has launched the SI-BACnet IP add-on module for new and existing HVAC drives to help…
Nidec’s Control Techniques has launched the SI-BACnet IP add-on module for new and existing HVAC drives to help communicate between devices and create a connected automated building.
It's important to keep your system up and running without regular intervention. While every system requires maintenance,…
It's important to keep your system up and running without regular intervention. While every system requires maintenance, never overlook the critical importance of tools and training for the operators.
Facebook
Google
GitHub
Linkedin