Abstract

Describes monolithic computer based digital process control systems that are user programmable, that is on line, sensor based, real time computer systems designed for the process industries, are configurable multiloop control systems, are not considered user programmable and are discussed in Section 5 "Automatic Controllers".

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN
Superseded By	API 554-1 : 2008