Top 5 Control Engineering Articles March 22-28, 2021

Articles about the top top 5 VFD parameter changes explained, free PLC programming software for education, 2021 engineers' choice awards, and more were Control Engineering’s five most clicked articles from March 22-28, 2021. Miss something? You can catch up here.

By Keagan Gay March 29, 2021

The top 5 most read articles online, from March 22-28, 2021 for Control Engineering covered the top 5 VFD parameter changes explained, free PLC programming software for education, 2021 engineers’ choice awards, and more. Links to each article below.

1. Top 5 VFD parameter changes explained

Programming variable frequency drives (VFDs) to fit most industrial applications require only the most basic settings to operate the motor. Understand these 5 VFD parameter changes to optimize VFD programming to fit most motor-drive applications.

2. Free PLC programming software for education

Available programmable logic controller (PLC) software that is free for users is crucial for users and students who can’t currently access a lab. See table with a breakdown.

3. Spotlight on Innovation: 2021 Engineers’ Choice Awards

Control Engineering announces the best automation, control and instrumentation products in the 21 categories of the annual Engineers’ Choice Awards program.

4. Which IEC 61131-3 programming language is best? Part 1

With so many programmable logic controller (PLC) programming languages and standards from which to choose, what is the right choice for automation and controls applications? Part 1 provides an overview and focuses on Ladder Diagram (LD) and Sequential Function Chart (SFC).

5. Eight lessons for robotics startups

Robotics companies are experiencing major growth, but what separates the successful companies from the pretenders? See eight tips on how to succeed and video examples.


The list was developed using CFE Media’s web analytics for stories viewed on, March 22-28, 2021, for articles published within the last two months.

Keagan Gay, digital media & production coordinator, CFE Media,

Author Bio: Keagan Gay is a digital media & production coordinator for CFE Media.