API 550PT1SEC5 : 4ED 85
Withdrawn
Withdrawn
CONTROLLERS AND CONTROL SYSTEMS
Published date
01-01-1985
Publisher
Withdrawn date
09-01-1995
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Covers the application and installation of automatic controllers, control systems and programmable controllers. Definitions of control terms are provided, and controller types are described. A presentation of distributed control systems not user programmable is included. Modes of control in the refining industry are discussed along with an approach to tuning. Control applications, such as cascade and feedforward are also discussed, including digital blending systems. This publication is now out of print.
| DocumentType |
Standard
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| PublisherName |
American Petroleum Institute
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| Status |
Withdrawn
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| ANSI MC85.1M : 1981 | CONTROLS - TERMINOLOGY FOR AUTOMATIC CONTROL |
| ISA 51.1 : 1979 | PROCESS INSTRUMENTATION TERMINOLOGY |
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