Latest Motor Drive Units Technical Articles

Three-phase motors are a backbone of the modern industrial control landscape. But plenty of applications still rely on…

Three-phase motors are a backbone of the modern industrial control landscape. But plenty of applications still rely on single-phase motors. Can these types of motors be reversed, and if so, how?

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?

Setting and resetting a PLC output is essential in establishing a holding circuit for a transducer. Learn how to use…

Setting and resetting a PLC output is essential in establishing a holding circuit for a transducer. Learn how to use set/reset instructions in MELSOFT series GX Works2 to latch and release an output.

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!

Rubber belts have lived under the hood of nearly every car since they first took to the streets, but they also transmit…

Rubber belts have lived under the hood of nearly every car since they first took to the streets, but they also transmit power through all kinds of industrial machine drives as well.

Although electrical systems often receive the highest praise for advancement, precision, and technological innovation,…

Although electrical systems often receive the highest praise for advancement, precision, and technological innovation, the world would be stuck without mechanical power delivery systems like gear drives.

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.

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.

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.

Many control product manufacturers offer these downloadable ‘EDS files’ for peripheral equipment, but what exactly is…

Many control product manufacturers offer these downloadable ‘EDS files’ for peripheral equipment, but what exactly is an EDS, and how can they aid in the development of a project?

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.

Variable frequency drive units can be found inside tons of control cabinets, but what happens if you disassemble one to…

Variable frequency drive units can be found inside tons of control cabinets, but what happens if you disassemble one to see what’s inside and how it works? We did just that. The results might surprise you.

With precise control abilities to manage speed, torque, and direction, variable frequency drives remain one of the most…

With precise control abilities to manage speed, torque, and direction, variable frequency drives remain one of the most common methods of driving 3-phase industrial motors. Below, we introduce a few leading VFD manufacturers.

Programming languages often include sine and cosine functions. They simplify programming, but consume valuable memory…

Programming languages often include sine and cosine functions. They simplify programming, but consume valuable memory space and computation time. This can be overcome using simple approximations.

Explore the design of a servo pick and place sample case using B&R Automation Studio, from the project creation to the…

Explore the design of a servo pick and place sample case using B&R Automation Studio, from the project creation to the configuration of the controller, drives, and motion axes. 

Our Control Automation engineering staff got the chance to visit a commercial farm in North Dakota and learn the hardware…

Our Control Automation engineering staff got the chance to visit a commercial farm in North Dakota and learn the hardware and software making these huge automated tractors ready for high-tech ‘field’ work.

Two common methods exist for driving induction motors with VFDs - linear scalar control, which is often labeled as V/f,…

Two common methods exist for driving induction motors with VFDs - linear scalar control, which is often labeled as V/f, and vector, or field-oriented control, which can be a bit more complex to understand.

Motors drive all sorts of processes in a facility. Depending on the application, which motor starter is best suited for…

Motors drive all sorts of processes in a facility. Depending on the application, which motor starter is best suited for your needs?