Plant engineers who find it is difficult to get good level measurements have plenty of company. A recent poll shows that it is considered to be one of the two most vexing problems by process automation professionals.
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.
A reader has a level measurement problem with a differential pressure level transmitter. The transmitter does not track the level properly. Check out the question and the in-depth answer in this contribution from ControlGlobal.com.
Chinese producers are consistently offering materials that are cheaper than most American and European producers. This influx of lower cost supplies is threatening the welfare of some domestic plants. How are these American plants dealing with the issue? Voice your opinion on how you'd deal with it with our online poll inside the story.
This article is the first in a series of web-exclusive items designed to increase your knowledge about the HART Field Communications Protocol. Read here to find out the benefits of using HART Communication.
Author: Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
Digital-based protocols, such as those used by fieldbus technology, are finding their way into a wider range of plant automation technologies. Read about the Fieldbus Foundation and how its technology can be implemented at your plant.
It has been nearly a decade since the Instrumentation, Systems and Automation Society (ISA) introduced S88, its first standard for batch control systems. Its still integral in optimizing operations today.