presentasi devin
Transcript of presentasi devin
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DEVIN OEYDEPARTEMEN INSTRUMENTASI & ELEKTRONIKA MIGAS
STT MIGAS
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Mengetahui sistem kerja DCS CENTUM CS 3000
Mengetahui prinsip kerja Loop Diagram 1-LIC-1
Mempelajari Sistem DCS Centum CS 3000
Mengetahui Prinsip Kerja pada loop drawing E1-LIC-1
Memahami implementasi pengontrolan DCS Centum CS 3000 pada E1-LIC-1
Hanya mempelajari Sistem Close Loop Control E1-LIC-1 pada Train E
Peralatan yang terdapat pada loop E1-LIC-1
Pada control valve tidak membahas pada aliran fluida.
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Sistem pengendalian dengan metode pendistribusian pada unit-unit kontrol
Setiap unit kontrol mengendalikan beberapa loop yang berbeda
Mengakuisisi data dari lapangan dan menentukan keputusan berdasarkan hasil pengolahan data
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Field Control Station (FCS)
Jaringan Komunikasi
Human Interface
Station (HIS)
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Input Output Unit (IOU) Module
Remote Input Output (RIO) Bus Interface
Power Supply
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V-Net
Remote Input Output (RIO) Bus
E-Net
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• Monitoring and Operation Function
• Engineering and Maintenance Function
• Komunikasi Dengan Supervisory Computer
HUMAN INTERFACE STATION
(HIS)
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Mengapa pada E1-C-2 perlu dijaga ketinggianlevelnya?
LIC
LT
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Tag No.E1-LT-01
Level Transmitter
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Tx Round Box
Level Indicator
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TB-E1E1
‘
52-MC-E0706 52-MC-E0708 52-ES-E0401
Field Marshalling Cabinet FCS
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I/P Regulator
3-Way Solenoid Valve
Normally Open
De-Energized Energized
De-energize Energize
P , A = BukaE = Tutup
A , E = BukaP = Tutup
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Trip Valve
Positioner
Solenoid ValveFilter dan
regulator
I/P
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Tampilan E1-C-2 pada HIS
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Troubleshooting IOP dan OOP
• Melihat Loop Drawing
• Pengecekan alat pada lapangan
• Pengecekan terminal pada SIH dan modul padaFCS
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KESIMPULAN
DCS merupakan sistem pengendalian dengan metode pendistribusian pada unit-unit kontrol dimana setiap unit kontrol dapat mengendalikan beberapa loop
DCS dapat mengakuisisi data dari lapangan dan menentukan keputusan berdasarkan hasil dari pengolahan data tersebut
Pusat proses pengendalian pada DCS adalah pada FCS, sedangkan HIS atau operator station digunakan untuk melakukan monitoring dan operation terhadap proses yang sedang berjalan
Level transmitter merupakan alat yang dapat mengukur ketinggian aliran fluida dan mengkonversikan data tersebut menjadi sinyal standard 4~20 mA yang dikirim ke DCS
Penggunaan level transmitter bertujuan untuk memudahkan dalam pembacaan, monitoring danmengontrol ketinggian level fluida yang terdapat pada E1-C-2 melalui control valve
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© Copyright PT Badak LNG All Rights Reserved
Thank you
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SARAN
• Mengganti solenoid valve NO pada E1-LY-1B dan E1-LY-1C, menjadiNC seperti yang terdapat pada modul 1, yang lebih memudahkanuntuk mengetahui apakah solenoid valve dalam keadaan baik ataurusak.
• Melakukan pemeriksaan rutin pada FCS, untuk memastikan FCS dalam keadaan baik.
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Attachment
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Operation Mode Valve Action
- SOV Energized
- SOV De-energized
- Air Supply Fail
- Signal Increase
Close
Control
Close
Open
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Air Supply
I/
P
POSITIONER
I/P
Out 1
Out 2
Check Valve
Solenoid
Solenoid
Volume
Tank
Spring
Spring
FC
A A CC
B B 3,2Kg/cm2
3,2Kg/cm2
FF DD
EE
0~5,6Kg/cm2
(Venting )
Trip Valve Action
Normal operation
Air supply fail
A B
D E
C B
E F
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Unit Trip Condition Tag NumberBypass Switch
Action Tag Number
1C-2 Level LL
E1LK057AE1LK057BE1LK057C
*
E1HS065A
Close Shut Off Valves
E1LY001BE1LY001CE1UY004AE1UY004B
1C-4
Press HH
E1PG053AE1PG053BE1PG053C
*
E1HS065B
Level HH
E1LG070AE1LG070BE1LG070C
*
E1HS065C
ESD/EDP Acvivated AND
HA901E3AHA901E3B
-
Note : 2 out of 3
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A B CA
B
A
C
C
B
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A
A
A
A
E1LK057A/B/C *
E1PG053A/B/C *
E1LG070A/B/C *
ESD/EDP ACTIVATEDHA901E3A
Test ModeE1HS065A
Test ModeE1HS065B
Test ModeE1HS065C
ESD/EDP ACTIVATEDHA901E3B
E1LY001B
E1LY001C
E1UY004A
E1UY004B
OR
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PENDEFINISIAN INPUT OUTPUT REGISTER
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