ABB designed software for its ACS800 drive so Curtis-Toledo could improve the operation of its rotary-screw compressors. The customized software can control the system pressure, air delivery, oil temperature and duty cycle directly from the drive.
There's a myth in plants that HART offers little for Plant Control Systems and Enterprise Level Networks. But Ed Ladd from the HART Communication Foundation writes that by accessing the data in HART devices on a "full-time" routine basis increases performance, integrity, and reliability of plant control and enterprise level systems.
Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
Removing water or moisture from a liquid stream is a critical operation in many processes. Liquid stream dryers commonly contain either molecular sieves or adsorbents; during the last 20 years, the use of molecular sieves has become much more common.
Andrew Sloley, contributing editor, and Richard Readshaw, senior staff process engineer for VECO USA Inc.
Like the 20th Century’s Great Conflict, the first Fieldbus War never really ended. But what will the outcome be this time? This article from CONTROL makes an educated prediction on how the battle may turn out.
DuPont Polyester Technologies (DPT) realizes the benefit of CFX computational fluid dynamics (CFD) modeling software, which provides a multi-size bubble model and manages the complexities involved with modeling a rotating agitator.