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Archive For: Variable Speed Drives

Choosing VFD Control Modes

Choosing VFD Control Modes

Modern variable frequency drives incorporate several control modes to help users fine-tune operation for various applications. Kevin Kakascik, Technical Marketing Engineer at AutomationDirect, wrote an article for the June 2020 issue of Processing titled Choosing VFD Control Modes. Here’s a summary, click on the link above for the full text. Variable frequency drives (VFDs) always ... Read More
 
VFDs Expand Process Control Options

VFDs Expand Process Control Options

Improved performance, ease of use, and energy savings combined with IIoT capabilities make VFDs the right choice for many process industry motor applications. Bryan Sisler, Product Manager for Drives and Motors at AutomationDirect, wrote an article for the May 2020 issue of Processing titled Beyond Process Control with VFDs. Here’s a summary, click on the ... Read More
 
VFDs Take Control

VFDs Take Control

Many VFDs now have on-board logic programming and I/O, enabling them to perform real-time control for localized applications. Jeff Payne, Product Manager for the Drives & Motors Group at AutomationDirect, wrote an article for the April 2020 issue of Design News titled The Logic of Balancing VFDs and PLCs. Here’s a summary, click on the ... Read More
 
Crushing the Control System

Crushing the Control System

Upgrading to a modern control system platform with the help of a local system integrator transforms a rock crushing plant from manual to fully automatic operation. By Todd Timpa, Assistant General Manager at CTC Crushing Impact Sand and Gravel is the leading supplier of aggregate and sand in the Las Vegas area, producing and distributing ... Read More
 
Programming and Setup Considerations for VFDs with Integrated PLCs

Programming and Setup Considerations for VFDs with Integrated PLCs

Control capability built-in to VFDs are moving machine intelligence to the edge. Jeff Payne, Product Manager for AutomationDirect, wrote an article for the March 2019 issue of Design World, titled VFDs with integrated PLCs for motion and machine controls: Programming and setup considerations. Payne explains how AC drives can be controlled by either an external ... Read More
 
AC Drives Applications

AC Drives Applications

When powering AC motors, the electrical supply can be at full power to run at full speed, or at variable power to run at variable speed. Applications with fluctuating loads benefit from the variable speed provided by an AC drive because less power is used at lower loads and speeds, and this article explains how ... Read More
 
Variable Frequency Drive Video Tutorials

Variable Frequency Drive Video Tutorials

Have you seen the latest Automation Video Cookbook Chapter? There are over 40 videos showing you step by step how to use all the amazing features of the GS4 Variable Frequency Drive and more being added all the time! Want a quick start with the bare minimum info you need to get up and running ... Read More
 
How to Select a Variable Frequency Drive

How to Select a Variable Frequency Drive

It may be tempting to size a variable frequency drive (VFD) based on horsepower alone. Did you know there are six other factors you should take into consideration to ensure that you specify the correct AC drive for your application? Read below to learn more about the six factors you should be considering when choosing ... Read More
 
Student Spotlight: Droid Names, Faraway Galaxies or Automation Components?

Student Spotlight: Droid Names, Faraway Galaxies or Automation Components?

VFDs, RS485, PLCs — these terms may seem like names of droids or faraway galaxies and planets in a “Star Wars” movie. However, they really refer to earthly based components that Vermont Technical College engineering student Dan Rapoza learned about when he set out to help a dairy farmer save time and money by automating ... Read More
 
Pump with Efficiency

Pump with Efficiency

The Energy Policy and Conservation Act (EPCA) of 1975 marked the beginning of energy conservation standards for industrial, commercial and consumer products and equipment. The U.S. Department of Energy (DOE) created 60 plus categories of applications and equipment, affecting 30 percent industrial energy use.