overview dcs
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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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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/. $engkoreksi"* "rocess *ariable, !* !et *alue0 "oint
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Diagram -otakSistem Pengendalian .tomatis
Controller
/e a*ri0
Transmitter
Control 1al(e
ke ndustri4
.2 31
1ontrol Unit
!ensing 2lement3ransmitter
"rocess1ontrol *al e
1ontroller
!et "oint
2rror
"rocess *ariable
1ontrolled*ariable
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Pengendalian Otomatis
"rinsip pengendalian otomatis sama dengan pengendalian manual4angkah-4angkah "engendalian5 Mengu ur mem*an+ing an menghitung meng ore si "ada pengendalian otomatis pengaturan semua dilakukan oleh alat-
alat instrumentasi."ada pengaturan otomatis manusia hanya melakukan pengaturan setpoint dan untuk yang lainnya dilakukan oleh sistem instrumentasi
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Pengendali
"engendali On-Off (%iskret), "engendali 6nalog0#ontinu"engendali 6nalog0 #ontinu 70- 89:menggunakan " % controller
"engendali " % melakukan5 membandingkan 7menghitung
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Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)
;u! + ng ndalian m!an BalikS d r%ana &+n uma)i #n)r#l(
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Sistem Pengendalian .tomatis dengan-ontroller lektronik
20"
"rocess *ariable
Output
!et "oint
1ontroller
3ime 4ag
20"
1ontrol Unit
"rocess*ariable
Output
!et "oint
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Pengendali lektronik Analog danDigital
!istem "engendalian 2lektronik 6nalog%ari 3ransmitter 1ontroller0 "engendali ($enggunakan Op-6mp) 3ransducer 0" 1ontrol *al e
-;* %1
20"
Operational amplifier
/-+9m6 %1
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/ambaran mum SistemPengendalian Digital
%igital
20"
"rocessor
/-+9m6 %1
-;* %1 60%
%06
nput Unit
Output Unit
6ritmatic Unit
1ontrol Unit
$emoryUnit
!istem "engendalian 2lektronik %igital%ari 3ransmitter 6%1 1ontroller0 "engendali (
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Singl l##! C#n)r#ll r&Mi r#!r# ss#r insid (
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Pengendalian .tomatis -on$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 $enggunakan #ontroller #on ensional
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6danya mikroprocessor yang dapat melakukanperhitungan kecepatan tinggi$icroprocessor beroperasi berdasarkan program software mudah melakukan design$ikroprocessor dapat melakukan pengendalian untuk
beberapa kontroller3untutan perkembangan industri. !atu plantmempunyai banyak loop-loop pengendalian.%ituntut untuk mengembangkan sistem pengendaliansehingga beberapa kontroller dapat dipantau dari
satu tempat sa&a. %an dalam pengembangannya &ugamemungkinkan untuk memonitor dan merancangsistem pengandalian dari satu tempat sa&a untukratusan bahkan ribuan loop pengendalian.
Perkembangan Sistem Pengendalian.tomatis
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%igital !uper isory 1ontrol%irect %igital 1ontrol0 1entralized 1ontrol%istributed 1ontrol !ystem
Perkembangan SistemPengendalian .tomatis
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Digital Su er$isory Control
$elakukan pengaturanset point dengan &arak
&auh atau seringdisebut remote setpointpemantauan besarnya
ariabel proses padasatu tempat yaitudengan menggunakankomputer .
#omputer
Output nput
>3>eed
33
!team
!team
3 1
> 1
"roduct
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8 un)ungan digi)al su! r
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Dire!t Digital Control #omputer sangat memegang peranan dalam pengendalian
"engendali menggunakan program komputer
>3>eed
33
!team
!team
#omputer
Output nput "roduct
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8 un)ungan dir ) digi)al #n)r#l
"erubahan semua setting ("
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Overview Distributed Control System (DCS)Overview Distributed Control System (DCS)
DIS1'IB 1 D C. 1'.3 S4S1 M(DCS)
"rinsip ker&a seperti pada pengendaliankon ensional, hanya sistem pengendalian denganmenggunakan %1! diperuntukkan untukmengendalikan suatu sistem dengan ¨ah looppengendalian yang banyak.$emadukan5- %igital !uper isory 1ontrol- %irect %igital 1ontrol0 1entralized 1ontrol
- #omunikasi
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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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Conto# -on5gurasi Sistem DCS63
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C n)um CS 1555 S s) mC#n=gura)i#n
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C n)um CS 3555 S s) m C#n=gura)i#n
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Conto# -on5gurasi Sistem DCSCentum CS 7000
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Sistem Pengendalian 1em eraturdengan menggunakan DCS
>ield 1ontrol Unit (>1U)
20"
"rocess *ariable
Output
!et "oint
Operator !tation (O"!)
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'liran Signal !ada + ng ndalian
d ngan DCS µ >;
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8ungsi PID ada DCS 963
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8#n=gurasi 8#n)r#ll r k#n< nsi#nal ang Similard ngan ?ungsi +0D !ada DCS
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+ ng ndalian T m! ra)ur !ada8#l#m Dis)ilasi
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ungsi + ng ndalian m!an 2alik +ada+ ng ndalian T m!ara)ur
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b d l ( )
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