alice tpc gas control system (toward the first fully implemented lhc gas system) s. haider ep-ta1-gs
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ALICE TPC Gas Control System
(toward the first fully implemented LHC gas system)
S. Haider EP-TA1-GS
ALICE TPC gas system status, JCOP 218.6.2003 S.Haider EP/TA1
Outline
Status What did we learn so far Future Conclusion
ALICE TPC gas system status, JCOP 318.6.2003 S.Haider EP/TA1
Project status (June 2003)
Gas HW e-box PLC PVSS commissioned
Mixer
Pump
CO2-rem. 80% 0%Purifier 60% 80% 0%Distribution 0%Analysis 30% 0% 0%Exhaust 0%Backup 30% 0 0%Test in 167 20% of Gas HW
100% done
ALICE TPC gas system status, JCOP 418.6.2003 S.Haider EP/TA1
PVSS
Schneider PLCQuantum
Schneider PLCPremium
Ethernet
ProfiBUS
WAGO I/O modules
BronkhorstDigital Mass
Flow Controllers
Control Architecture (for Mixer)
ALICE TPC gas system status, JCOP 518.6.2003 S.Haider EP/TA1
Typical2 gas
Mixer
Control box,-ProfiBUS WAGO interface
ALICE TPC gas system status, JCOP 618.6.2003 S.Haider EP/TA1
ALICE TPC Mixer rack
ProfiBUS-daisy-chain of4 Mass Flow Controllers
ALICE TPC gas system status, JCOP 718.6.2003 S.Haider EP/TA1
Using UNICOS…
Premium and Quantum (with UNICOS + GCS extension)
PVSS (Unicos Beta3 and GCS extensions)
Mass Flow Controller, Analog Valve and Frequency controller were originally not in UNICOS (developed by IT/CO)
ALICE TPC gas system status, JCOP 818.6.2003 S.Haider EP/TA1
ALICE TPC gas system status, JCOP 918.6.2003 S.Haider EP/TA1
Window tree
Modules
ALICE TPC gas system status, JCOP 1018.6.2003 S.Haider EP/TA1
M
ALICE TPC gas system status, JCOP 1118.6.2003 S.Haider EP/TA1
Modes of operation
ALICE TPC gas system status, JCOP 1218.6.2003 S.Haider EP/TA1
ALICE TPC gas system status, JCOP 1318.6.2003 S.Haider EP/TA1
ALICE TPC gas system status, JCOP 1418.6.2003 S.Haider EP/TA1
ALICE TPC gas system status, JCOP 1518.6.2003 S.Haider EP/TA1
What did we learn so far? (1/3)
Development Gas racks and software can be prepared in parallel Simplified HW drawings were necessary for user panels SW was tested in the lab without the gas HW ready
Process control Validation of UR states, alarms, commands, etc Validation of PLC code design Validation of the UNICOS concept for gas control UNICOS not easy to start with!
ALICE TPC gas system status, JCOP 1618.6.2003 S.Haider EP/TA1
What did we learn so far? (2/3)
PVSS UNICOS Beta version,- but most of functionality available (~80%) Validation of window layers, navigation menus etc… Long way to go for trending !!!
Operation Common look and feel of all Process Control Objects (PCO) Access of objects in Auto/Manual mode Recipes for constants, alarms and parameters FSM based operation
ALICE TPC gas system status, JCOP 1718.6.2003 S.Haider EP/TA1
What did we learn so far? (3/3)
CommissioningAfter short introduction we were able to
operate and fine tune process parameters without the help of the developers
Easily understandable menu structures and concepts of operation
FAST! Took only about 1 week!
ALICE TPC gas system status, JCOP 1818.6.2003 S.Haider EP/TA1
Future plans
Alice TPC Remaining Racks System integration
In 167 with dummy volume Validation of interaction UR identification for top module
UNICOS Porting to UNICOS PVSS release (before system
integration)
ALICE TPC gas system status, JCOP 1918.6.2003 S.Haider EP/TA1
GCS frameworkOnce developed, ALICE TPC will be ported to
this gas frameworkRem: Some gas framework components are
already used Low level objects in PLC and PVSS Synoptic of PVSS Recipes…
ALICE TPC gas system status, JCOP 2018.6.2003 S.Haider EP/TA1
Conclusion
The first “Vertical Gas Slice” with final architecture was successfully implemented and tested. (Visits welcome)
We validated: URD, UNICOS for gas, PLC code generation, PVSS, operation issues, PID regulation etc..
Started development of Gas Frame Work with the experience gained
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