PLCs, PACs

Courtesy: VIPA ControlsAmerica and New Products for Engineers' Database
PLCs, PACs March 4, 2021

Three signs it might be time to upgrade a PLC

Programmable logic controllers (PLCs) are designed to last a long time, but even they have a shelf life. Three tips for knowing when to upgrade are highlighted as well as a cautionary tale.

By Brad Smith
Courtesy: AutomationDirect/New Products for Engineers Database
PLCs, PACs February 1, 2021

Top 5 Control Engineering Articles Jan. 25-31, 2021

Articles about top 5 VFD parameter changes explained, free PLC programming software for education, replacing seven SCADA systems with one, and more were Control Engineering’s five most clicked articles from Jan. 25-31, 2021. Miss something? You can catch up here.

By Keagan Gay
As of its Feb. 1, 2021, introduction, Unitronics UniStream PLC Cloud Series is said to be the only PLC with embedded built-in cloud without monthly subscription fee or any additional purchase of hardware and software. Just connect and go. Courtesy: Unitronics
PLCs, PACs February 1, 2021

PLC users can use cloud services without programming

Original equipment manufacturers (OEMs), machine builders and others can access a no-code Industrial Internet of Things (IIoT) cloud platform, providing easy-to-use data analysis tools, other functionality for bottom-line improvements

By Mark T. Hoske
Free PLC programming software lets students learn on their own instead of needing a lab. Courtesy: AutomationDirect/New Products for Engineers Database
PLCs, PACs January 26, 2021

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.

By Jon Breen
Courtesy: Tesco Controls
PLCs, PACs January 18, 2021

Top 5 Control Engineering Articles Jan. 11-17, 2021

Articles about programmable logic controllers (PLCs), top 5 VFD parameter changes explained, cybersecurity and the rise of IT-enable OT system, and more were Control Engineering’s five most clicked articles from Jan. 11-17, 2021. Miss something? You can catch up here.

By Keagan Gay
Courtesy: AutomationDirect
PLCs, PACs January 11, 2021

Top 5 Control Engineering Articles Jan. 4-10, 2021

Articles about PLCs power in industrial data integration, using IIoT for energy-efficient pump environments, replacing seven SCADA systems with one, and more were Control Engineering’s five most clicked articles from Jan. 4-10, 2021. Miss something? You can catch up here.

By Keagan Gay
Courtesy: AutomationDirect
PLCs, PACs January 5, 2021

PLCs power industrial data integration

Cover Story: Programmable logic controllers (PLCs) have recently gained capabilities formerly possible only with PCs, expanding their role to support seamless data integration with the enterprise.

By Damon Purvis
Courtesy: Tesco Controls
PLCs, PACs December 21, 2020

Top 5 Control Engineering Articles Dec. 14-20, 2020

Articles about migrating legacy PLC programs to modern PLC hardware, system integrators reducing maintenance costs, flowmeter testing and calibrating challenges, and more were Control Engineering’s five most clicked articles from Dec. 14-20 2020. Miss something? You can catch up here.

By Keagan Gay
Courtesy: Tesco Controls
PLCs, PACs December 12, 2020

Migrating legacy PLC programs to modern PLC hardware

Zero downtime is a requirement for many water/wastewater processes, often necessitating upgrading legacy automation by migrating existing code

By Raju Nair
Courtesy: Advantech/New Products for Engineers Database
PLCs, PACs October 18, 2020

The rise of the PAC

A programmable automation controller (PAC) is an open control platform that supports and integrates multiple automation disciplines, typically logic and motion control, but also other functions.

By David Humphrey