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Iixperiment 4: Objective: Pressure process control system. 1r\ ljnderstand how pressLrre process control system works. 2) Study the method of setting PID parameter to achieve the optimum stability. 3) Study the method of setting PID controller to achieve the optimum recovery. li'igure 4.0: Gas pressllre process Proceclurc: 1) Selccl thc g:rs prcssln'c proccss conlrol rlenll scrcen and click PIC 811 and open thc history cirart. 2) Set tho sctpoint valuc 50 bar and click "AIJ1'O". Wait for I'ew second until the manipulated variable zrncl process variable is stable. 3) Click "MAN" and increases the manipulatcd variable around l0%. Wait for fbw second until ll,e proccss variablc is stable. ) Ily using tl"rc I) conlrollcr, sc1 thc gain valuc liorr-r the table 4.0 ar-rd ciick "ALJ'|O". 5) Obscrvc ancl rvritc clown thc respond.

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Iixperiment4:Objective:Pressureprocesscontrolsystem.1r\ljnderstandhow pressLrreprocess controlsystemworks.2) Studythe methodof settingPIDparameter to achievethe optimum stability.3) Studythe methodof settingPID controllerto achievethe optimumrecovery.li'igure 4.0:GaspressllreprocessProceclurc:1) Selcclthc g:rs prcssln'cproccssconlrol rlenll scrcenand click PIC 811andopen thc historycirart.2) Settho sctpoint valuc 50 bar andclick "AIJ1'O".Wait for I'ewsecond untilthe manipulatedvariablezrnclprocessvariableis stable.3) Click"MAN"andincreasesthe manipulatcd variablearound l0%.Waitfor fbw second untilll,eproccssvariablcis stable. ) Ily using tl"rc I) conlrollcr, sc1 thc gainvaluc liorr-r the table4.0 ar-rdciick "ALJ'|O".5) Obscrvc ancl rvritcclownthc respond.


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