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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Data Pribadi :Data Pribadi :Drs. Suka Handaja Budi, MTDrs. Suka Handaja Budi, MTNganjuk, 17 Januari 1969Nganjuk, 17 Januari 1969

    Jl. Dumai V/3 C !u " Bl#ra " Ja$a T nga% Jl. Dumai V/3 C !u " Bl#ra " Ja$a T nga%M nika% &3 'nak(M nika% &3 'nak(S)a* + ngajar ST M &'kamigas( s jak 199-S)a* + ngajar ST M &'kamigas( s jak 199-& isika 0ns)rum n)asi(& isika 0ns)rum n)asi(

    S1 isika nair Sura2a a 1994S1 isika nair Sura2a a 1994S4 T knik l k)r# 0TS Sura2a a 4554S4 T knik l k)r# 0TS Sura2a a 4554

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    S4 T knik l k)r# 0TS Sura2a a 4554)

    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Distributed Control SystemDistributed Control System

    (DCS)(DCS)

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    PerkembanganPerkembangan

    InstrumentasiInstrumentasi

    Mekanik : Awal abad 20: Berada ada lant (lo!al): Pegas" Dia #ragma" le$er" bourdon i e dll

    Pneumatik : Awal %&20: 'emote metering" !ontrol: Sigle loo: ide s a!e

    lektrik* lektronik : Awal %&+0: 'emote metering" !ontrol: Small" !om a!t s a!e: Distributed

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Perkembangan InstrumentasiPerkembangan Instrumentasi(Dili#at dari MMI (Man Ma!#ine Inter,a!e))(Dili#at dari MMI (Man Ma!#ine Inter,a!e))

    Awal 1930Manual ControlMachine Type Instrument

    Awal 1940Large Size neumatic Control

    InstrumentSignal Control

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Perkembangan InstrumentasiPerkembangan Instrumentasi(Dili#at dari MMI (Man Ma!#ine Inter,a!e))(Dili#at dari MMI (Man Ma!#ine Inter,a!e))

    Awal 19!0 "Small Size neumatic Control

    Awal 19#0 "Small Size Analog Instrument

    $%lectronic&'igital Computer Control $AsSuper(isory&

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Perkembangan InstrumentasiPerkembangan Instrumentasi(Dili#at dari MMI (Man Ma!#ine Inter,a!e))(Dili#at dari MMI (Man Ma!#ine Inter,a!e))

    Awal 19)0 " 'istri*ute+ Control C,T -peration

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Sis) m ! ng ndalian

    Hampir semua proses dalam dunia industri membutuhkanperalatan-peralatan otomatis untuk mengendalikan parameter-parameter prosesnya.Otomatisasi diperlukan demi kelancaran operasi, keamanan,ekonomi, dan mutu produk.Untuk membentuk otomatisasi tersebut diperlukan suatu sistem

    pengendalian proses.parameter yang biasanya dikendalikan harus dikendalikanadalah tekanan (pressure), aliran (flow), suhu (temperature),tinggi permukaan zat cair (le el).

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Pengendalian oleh Manusia/ Manual

    !et "oint

    #e "abrik

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    "engendalian $anual %ioperasikan oleh manusia%igunakan pada proses-proses yang tidak banyak mengalamiperubahan-perubahan beban (load) atau pada proses yangtidak kritis!istem dapat menerima toleransi error yang mungkin ter&adipada pengendalian manual ' !istem mempunyai resiko yangkecil"engendalian secara manual lebih murah dibanding denganpengendalian otomatis

    Pengendalian oleh Manusia/Manual

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    !et "oint

    #e "abrik#e ndustri

    1.

    3

    4

    . $engukur ("*)+. $embandingkan (error "* !* or !* - "*)

    . $enghitung/. $engkoreksi"* "rocess *ariable, !* !et *alue0 "oint

    Pengendalian oleh Manusia/ Manual

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    + ng ndalian )#ma)is

    Controller

    /e a*ri0

    Transmitter

    Control 1al(e

    ke ndustri4

    .2 31

    . $engukur ("*)+. $embandingkan (error "* !* or !* - "*)

    . $enghitung/. $engkoreksi"* "rocess *ariable, !* !et *alue0 "oint

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Diagram -otakSistem Pengendalian .tomatis

    Controller

    /e a*ri0

    Transmitter

    Control 1al(e

    ke ndustri4

    .2 31

    1ontrol Unit

    !ensing 2lement3ransmitter

    "rocess1ontrol *al e

    1ontroller

    !et "oint

    2rror

    "rocess *ariable

    1ontrolled*ariable

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Pengendalian Otomatis

    "rinsip pengendalian otomatis sama dengan pengendalian manual4angkah-4angkah "engendalian5 Mengu ur mem*an+ing an menghitung meng ore si "ada pengendalian otomatis pengaturan semua dilakukan oleh alat-

    alat instrumentasi."ada pengaturan otomatis manusia hanya melakukan pengaturan setpoint dan untuk yang lainnya dilakukan oleh sistem instrumentasi

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Pengendali

    "engendali On-Off (%iskret), "engendali 6nalog0#ontinu"engendali 6nalog0 #ontinu 70- 89:menggunakan " % controller

    "engendali " % melakukan5 membandingkan 7menghitung

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    ;u! + ng ndalian m!an BalikS d r%ana &+n uma)i #n)r#l(

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Sistem Pengendalian .tomatis dengan-ontroller lektronik

    20"

    "rocess *ariable

    Output

    !et "oint

    1ontroller

    3ime 4ag

    20"

    1ontrol Unit

    "rocess*ariable

    Output

    !et "oint

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Pengendali lektronik Analog danDigital

    !istem "engendalian 2lektronik 6nalog%ari 3ransmitter 1ontroller0 "engendali ($enggunakan Op-6mp) 3ransducer 0" 1ontrol *al e

    -;* %1

    20"

    Operational amplifier

    /-+9m6 %1

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    /ambaran mum SistemPengendalian Digital

    %igital

    20"

    "rocessor

    /-+9m6 %1

    -;* %1 60%

    %06

    nput Unit

    Output Unit

    6ritmatic Unit

    1ontrol Unit

    $emoryUnit

    !istem "engendalian 2lektronik %igital%ari 3ransmitter 6%1 1ontroller0 "engendali (

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Singl l##! C#n)r#ll r&Mi r#!r# ss#r insid (

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Pengendalian .tomatis -on$ensional

    3iap-tiap loop pengendalian menggunakan satu kontroller untuk satu loop. !atubentuk fisik kontroller hanya mempunyai satu kontroller.

    1ontroller

    . . . . . . . . . . . .

    "anel #ontroller pada 1ontrol =oom yang $enggunakan #ontroller #on ensional

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    6danya mikroprocessor yang dapat melakukanperhitungan kecepatan tinggi$icroprocessor beroperasi berdasarkan program software mudah melakukan design$ikroprocessor dapat melakukan pengendalian untuk

    beberapa kontroller3untutan perkembangan industri. !atu plantmempunyai banyak loop-loop pengendalian.%ituntut untuk mengembangkan sistem pengendaliansehingga beberapa kontroller dapat dipantau dari

    satu tempat sa&a. %an dalam pengembangannya &ugamemungkinkan untuk memonitor dan merancangsistem pengandalian dari satu tempat sa&a untukratusan bahkan ribuan loop pengendalian.

    Perkembangan Sistem Pengendalian.tomatis

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    %igital !uper isory 1ontrol%irect %igital 1ontrol0 1entralized 1ontrol%istributed 1ontrol !ystem

    Perkembangan SistemPengendalian .tomatis

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Digital Su er$isory Control

    $elakukan pengaturanset point dengan &arak

    &auh atau seringdisebut remote setpointpemantauan besarnya

    ariabel proses padasatu tempat yaitudengan menggunakankomputer .

    #omputer

    Output nput

    >3>eed

    33

    !team

    !team

    3 1

    > 1

    "roduct

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    8 un)ungan digi)al su! r

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Dire!t Digital Control #omputer sangat memegang peranan dalam pengendalian

    "engendali menggunakan program komputer

    >3>eed

    33

    !team

    !team

    #omputer

    Output nput "roduct

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    8 un)ungan dir ) digi)al #n)r#l

    "erubahan semua setting ("

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    DIS1'IB 1 D C. 1'.3 S4S1 M(DCS)

    "rinsip ker&a seperti pada pengendaliankon ensional, hanya sistem pengendalian denganmenggunakan %1! diperuntukkan untukmengendalikan suatu sistem dengan &umlah looppengendalian yang banyak.$emadukan5- %igital !uper isory 1ontrol- %irect %igital 1ontrol0 1entralized 1ontrol

    - #omunikasi

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Sk ma)ik + ng ndalian d ngan DCS

    >ield 1ontrol Unit (>1U)

    20"

    "rocess *ariable

    Output

    !et "oint

    Operator !tation (O"!)

    >ield 1ontrol Unit (>1U)

    20"

    " %

    3uning "anel

    Operator !tation (O"!)

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Conto# -on5gurasi Sistem DCS63

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    C n)um CS 1555 S s) mC#n=gura)i#n

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    C n)um CS 3555 S s) m C#n=gura)i#n

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Conto# -on5gurasi Sistem DCSCentum CS 7000

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    Sistem Pengendalian 1em eraturdengan menggunakan DCS

    >ield 1ontrol Unit (>1U)

    20"

    "rocess *ariable

    Output

    !et "oint

    Operator !tation (O"!)

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    'liran Signal !ada + ng ndalian

    d ngan DCS µ >;

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    8ungsi PID ada DCS 963

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    8#n=gurasi 8#n)r#ll r k#n< nsi#nal ang Similard ngan ?ungsi +0D !ada DCS

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    + ng ndalian T m! ra)ur !ada8#l#m Dis)ilasi

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    Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)

    ungsi + ng ndalian m!an 2alik +ada+ ng ndalian T m!ara)ur

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    b d l ( )

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