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…
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.
Servo motors are common in all kinds of motion control applications for various industries, but what are these devices,…
Servo motors are common in all kinds of motion control applications for various industries, but what are these devices, and what makes them different from standard AC or DC motors?
This article investigates the basic components and wiring conventions for common three-phase motor starter…
This article investigates the basic components and wiring conventions for common three-phase motor starter configurations, including direct online, reversing, and star-delta.
In order to trace control system problems to the core, the ability to read and interpret various resources, from…
In order to trace control system problems to the core, the ability to read and interpret various resources, from facility-level diagrams to machine-level wiring layouts, is critical.
This article looks at vacuum ejectors and vacuum pumps, specifically outlining the difference between single and…
This article looks at vacuum ejectors and vacuum pumps, specifically outlining the difference between single and multi-stage versions of each type, and common applications.
We depend on circuit breakers all the time, even when you have a day off or work from home. These overcurrent protection…
We depend on circuit breakers all the time, even when you have a day off or work from home. These overcurrent protection devices keep machines running safely, reducing the risk of fires and arcing.
For being no more than a thin piece of metal, the strain gauge is a versatile measurement tool, from small switches to…
For being no more than a thin piece of metal, the strain gauge is a versatile measurement tool, from small switches to multi-ton machines. In this article, learn the operating principles and properties.
Pressures are always rising and falling in fluid systems. Sometimes the changes are extreme and lead to damage. What…
Pressures are always rising and falling in fluid systems. Sometimes the changes are extreme and lead to damage. What causes problematic pressure changes, and how can you trace them to their source?
Cobots have recently been hailed as one of the latest and greatest innovations in production and manufacturing…
Cobots have recently been hailed as one of the latest and greatest innovations in production and manufacturing automation. But are collaborative robots living up to their reputation? Control.com investigates the benefits and drawbacks of these versatile industrial machines.
Many articles address the wiring and implementation of analog control signals, but where are they used, and what might…
Many articles address the wiring and implementation of analog control signals, but where are they used, and what might make them a better (or perhaps worse) decision than digital input/output devices?
Engineering processes like robotics, feedback control, and security systems rely on position and distance sensors to…
Engineering processes like robotics, feedback control, and security systems rely on position and distance sensors to provide real-time information that enables machines to operate accurately and safely.
Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and…
Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and 3-wire digital input control schemes for ABB, Omron, Rockwell, and others.
Optical sensors are one of the most popular sensor types in industrial automation. This article covers optical sensor…
Optical sensors are one of the most popular sensor types in industrial automation. This article covers optical sensor basics and commonly used types, including fiber optic, photoelectric, and optical encoders.
Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history,…
Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history, evolution, and variety of sensors that make manufacturing the modern marvel we see today.
Previously, we described how to use the new Arduino PLC IDE to control discrete devices. This tutorial will describe how…
Previously, we described how to use the new Arduino PLC IDE to control discrete devices. This tutorial will describe how to connect various peripheral equipment (VFD and robot) using analog inputs and outputs.
Following the release of the official Arduino PLC IDE, this tutorial will introduce programming and understanding of the…
Following the release of the official Arduino PLC IDE, this tutorial will introduce programming and understanding of the function blocks common to all IEC 61131 languages, starting with bit commands, timers, and counters.
We know that servo motors are found inside machines that rely on precise motion with feedback to verify proper operation,…
We know that servo motors are found inside machines that rely on precise motion with feedback to verify proper operation, but how do they work, and what makes them different from any other kind of motor?
Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the…
Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the theory of operation, but what is inside a 3-phase motor? Take a look, and learn how they work.
When accurate positioning and speed control is needed, most engineers turn to servo motors or stepper motors, but what is…
When accurate positioning and speed control is needed, most engineers turn to servo motors or stepper motors, but what is the difference between the two, and which is the right choice?
Arrays can streamline data storage and math operations, but they can be difficult to understand for a beginning…
Arrays can streamline data storage and math operations, but they can be difficult to understand for a beginning programmer. Learn the background of array instructions in the Rockwell Studio 5000 software.