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9.1. A pneumatic PI temperature controller has an output pressure of 10 psig when the set point and process temperature coincide. The set point is suddenly increased by 10°F (i.e., a step change in error is introduced), and the following data are obtained: Time, s psig 0- 10 0+ 8 20 7 60 90 5 3.5 Determine the actual gain (psig per degree Fahrenheit) and the integral time.

9.1. A pneumatic PI temperature controller has an output pressure of 10 psig when the set point and process temperature coincide. The set point is suddenly increased by 10°F (i.e., a step change in error is introduced), and the following data are obtained: Time, s psig 0- 10 0+ 8 20 7 60 90 5 3.5 Determine the actual gain (psig per degree Fahrenheit) and the integral time.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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9.1. A pneumatic PI temperature controller has an output pressure of 10 psig when the set point and process temperature coincide. The set point is suddenly increased by 10°F (i.e., a step change in error is introduced), and the following data are obtained: Time, s psig 0- 10 0+ 8 20 7 60 90 5 3.5 Determine the actual gain (psig per degree Fahrenheit) and the integral time.
Transcribed Image Text:9.1. A pneumatic PI temperature controller has an output pressure of 10 psig when the set point and process temperature coincide. The set point is suddenly increased by 10°F (i.e., a step change in error is introduced), and the following data are obtained: Time, s psig 0- 10 0+ 8 20 7 60 90 5 3.5 Determine the actual gain (psig per degree Fahrenheit) and the integral time.
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