Latest Electrical Power Control Technical Articles

Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and…

Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and how does it differ from the familiar ladder logic programs?

From forest to felling, logging road to mill, finished lumber’s adventure on its way to market is filled with control…

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.

Some workplaces are more dangerous than others, not because of the practices, but rather the products. Where do…

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?

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief…

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.

Transformerless UPS designs are taking place in various industries, particularly in aseptic manufacturing,…

Transformerless UPS designs are taking place in various industries, particularly in aseptic manufacturing, pharmaceuticals, and healthcare, where the reliability of power supply is critical.

Using the right motor for the right task is critical - but what happens if the motor is connected to the wrong supply? It…

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.

Measuring time delays between equipment events predates digital control systems. What are the types of timers, and how…

Measuring time delays between equipment events predates digital control systems. What are the types of timers, and how did they work before the advent of PLCs? And how do PLCs continue the tradition?

Direct current (DC) motors have existed since the late 19th century. What sets these motors apart from AC models, how do…

Direct current (DC) motors have existed since the late 19th century. What sets these motors apart from AC models, how do you control them, and how can you tell when it’s time to repair or replace them?

Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved…

Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved in automation applications for cable-to-cable or cable-to-device termination.

Transformer types can vary from small instruments to large power distribution systems. 3-phase systems require…

Transformer types can vary from small instruments to large power distribution systems. 3-phase systems require transformers that employ the same wye and delta arrangements common to industrial motors.

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems:…

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems: heavy equipment, overhead cranes, and even some robotic controls. But how do they work?

Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to…

Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to heat or cool the system as needed. Simulate a temp controller with low-cost components!

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated…

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated by the color of the insulation. But what are the common colors, and what do they mean?

Failures are never the goal of any industrial operation. But when disaster strikes, it’s always better to have a…

Failures are never the goal of any industrial operation. But when disaster strikes, it’s always better to have a mitigation plan in place well in advance of the event to ensure timely recovery.

In today's modern, digitally connected world, reliable and continuous power availability, together with power quality,…

In today's modern, digitally connected world, reliable and continuous power availability, together with power quality, help optimize power consumption hence improving distribution system efficiency.

Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then,…

Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then, once the information has been collected, what trends might point to problems?

The subject of grounding in electronics is broad and complex, spanning across a variety of functions and objectives. In…

The subject of grounding in electronics is broad and complex, spanning across a variety of functions and objectives. In this article, we will investigate the applications and regulation of grounding in control systems on a fundamental level.

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods…

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods of protection, and for fluid systems, certain shutoff valves are used in situations when excess pressure can be a problem.

Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC…

Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC motors. Read more to learn its advantages, how it works, and its best applications.