1. 15.10.01DCS overview - L.Jirdén1 ALICE ECS/DCS – project overview strategy and status L.Jirden 15.10.01 u Organization u DCS system overview u Implementation strategy u Status

2. 15.10.01DCS overview - L.Jirdén2 PROJECT GOALS u Ultimate goal “A working DCS ready for exploitation end 2005 allowing to control and operate the experiment during all modes of operation and according to defined requirements”. u Intermediate goals u Test-beams u Pre-assembly u Installation u Commissioning

3. 15.10.01DCS overview - L.Jirdén3 Main requirements u Integrate all activities necessary to operate the experiment u All detectors and infrastructure during runs and shutdowns u Easy to operate u 2 – 3 non-expert operators should be enough u Exclusive and concurrent operation u Allow for multiple operators u Individual operation of detectors and sub-systems u Access at all levels with unique access control u Automation u Standard procedures, learning system

4. 15.10.01DCS overview - L.Jirdén4 Requirements cont. u Modular, scalable and flexible u Allow for changes and addition of devices, sub- systems or detectors u Reliable u Operational during runs and shutdowns u Redundancy for critical functions non- accessible during runs u Maintainable u Assume 15 years operation

5. 15.10.01DCS overview - L.Jirdén5 ALICE Controls Coord. team (ACC) DAQ Trigger Offline LHC M. Ext. Services  Lennart Jirden  Andre Augustinus  Tarek Ben Ahmed 50%  Sorina Popescu (PJAS)  vacancy

6. 15.10.01DCS overview - L.Jirdén6 ALICE Controls Coord. team (ACC) ALICE Controls Board (ACB) ALICE Techn. Coord. Techn. Board DAQ Trigger Offline LHC M. Detectors Ext. Services  Lennart Jirden  Andre Augustinus  Tarek Ben Ahmed 50%  Sorina Popescu (PJAS)  vacancy

7. 15.10.01DCS overview - L.Jirdén7 ALICE Controls Coord. team (ACC) Joint Controls Project (JCOP) ALICE Controls Board (ACB) ALICE Techn. Coord. Techn. Board DAQ Trigger Offline LHC M. Detectors Ext. Services IT-CO group EP Management ATLAS Controls Coord. CMS Controls Coord. LHCb Controls Coord.  Lennart Jirden  Andre Augustinus  Tarek Ben Ahmed 50%  Sorina Popescu (PJAS)  vacancy

8. 15.10.01DCS overview - L.Jirdén8 ECS/DCS Context ITS hv lv p TT pixeldriftstrip TPCMUON safety access DAQ Trigger Offline LHC ECS DCS electricity magnet gas cooling Detectors Primary Services Associated Projects Supervisory Function

9. 15.10.01DCS overview - L.Jirdén9 Hierarchical model TPC-FC ELECTRTPC LHCm TRD ECS FEE TRIGTPC-M DAQDCS FEC HVCOOL CAEN5 TRACK HEAT MUONMAG … … … LV detectors … Sub- detectors Sub- systems devices

10. 15.10.01DCS overview - L.Jirdén10 Sub systems

11. 15.10.01DCS overview - L.Jirdén11 Detectors and sub- systems DCS............ 15 detectors ~ 20 sub-detectors ~ 6 sub-systems/sub-detector Several devices/sub-system

12. 15.10.01DCS overview - L.Jirdén12 Controls slices DCS............ 15 detectors ~ 20 sub-detectors ~ 6 sub-systems/sub-detector >100 controls slices !!

13. 15.10.01DCS overview - L.Jirdén13 Hardware architecture

14. 15.10.01DCS overview - L.Jirdén14 Software frameworks SCADA (PVSS) FSM, DB,web, Etc. VME/PC (Linux)PLC (Step7,etc) SliCUNICOS SCADA Framework Supervisory application OPC, DIM ? Proc. Contr. Applic. Supervision Communication Process control

15. 15.10.01DCS overview - L.Jirdén15 What is the SCADA framework? u An integrated and coherent set of guidelines, tools and components u Standard monitoring and configuration panels u Standard script libraries, Finite State Machines, u Standard devices (CAEN HV, Wiener PS, etc) u At the disposal of sub-system developers u Each component is developed independently but in a coherent way to fit in the global system u For the two main types of components: Control Units (CU) Device Units (DU)

16. 15.10.01DCS overview - L.Jirdén16 Software architecture TPC-FC ELECTRTPCTRD ECS FEE TRIGTPC-M DAQDCS FEC HVCOOL CAEN5 TRACK HEAT MUON … … … LV Device Units (DU) Control Units (CU) To devices Status and Alarms Commands

17. 15.10.01DCS overview - L.Jirdén17 Functionality (FSM) Configurat Logging Alarm handling Access handling Child Control Unit Parent Command & status Command & status Command & status Command & status dBase operator PVSS

18. 15.10.01DCS overview - L.Jirdén18 Functionality (FSM) Configurat Logging Alarm handling Device driver Device Device Unit Parent Command & status Command & status Setting & reading dBase operator PVSS

19. 15.10.01DCS overview - L.Jirdén19 Concurrent operation TPC-FC TPC ECS FEE TRIGTPC-M DCS FEC HVCOOL CAEN5 TRACK HEAT MUON … … … LV Device Units Control Units To devices Status and Alarms Commands Operator A Operator C Operator B

20. 15.10.01DCS overview - L.Jirdén20 Services overview u Cooling & Electricity u Primary circuits controlled via ST div – SCADA u Secondary circuits controlled via ALICE – DCS – SCADA u Status information exchanged via servers u Gas u Gas control handled by Gas WG u Based on JCOP standards u LHC Cryo Control system used as model

21. 15.10.01DCS overview - L.Jirdén21 Gas control ex. TPC-FC PURIF TPCTRD GAS FEE TPC TPC-M DCS VALVFEC TRD COOL HEAT … … MIX devices PUMP … FLOWMANO TPC-FCTPC-M sub- systems sub- detectors SAFETY COOL…

22. 15.10.01DCS overview - L.Jirdén22 Services overview u Cooling & Electricity u Primary circuits controlled via ST div – SCADA u Secondary circuits controlled via ALICE – DCS – SCADA u Status information exchanged via servers u Gas u Gas control handled by Gas WG u Based on JCOP standards u Magnets u Common control for all 4 LHC experiments u Handled by EP-TA3 u Status information exchanged servers

23. 15.10.01DCS overview - L.Jirdén23 Magnet control ex. TPC-FC MAGTPC LHCm TRD ECS FEE ATLASTPC-M DAQDCS DEV1FEC DI-MUONCOOL ALICE HEAT … … L3 … devices COMP CMS … DEV2DEV3

24. 15.10.01DCS overview - L.Jirdén24 Services overview u Cooling & Electricity u Primary circuits controlled via ST div – SCADA u Secondary circuits controlled via ALICE – DCS – SCADA u Status information exchanged via servers u Gas u Gas control handled by Gas WG u Based on JCOP standards u Magnets u Common control for all 4 LHC experiments u Handled by EP TA3 u Status information exchanged servers u Detector Safety System u LHC Experiments WG started u Scope and requirements being defined

25. 15.10.01DCS overview - L.Jirdén25 Detector Safety System CERN Safety Fire Smoke Gas Central DCS “Backend” D.I. DSS “Frontend” L3 Alarms L1, L2 Alarms

26. 15.10.01DCS overview - L.Jirdén26 DAQ, TRG, Offline, LHC machine TPC-FC TPC LHCm TRD ECS FEE TPC-M OfflineDAQ FEC COOL HEAT … … TRGDCS … …

27. 15.10.01DCS overview - L.Jirdén27 Implementation strategy u A. Process control for the detectors u Identify common requirements u Design “ALICE common solutions” u Pilot applications - test cases u Collaboration ACC – detector groups u Aim to cover all main functions – minimize number of special cases u B. Operations and supervisory functions u Link detector process control to supervisory layer u Implement vertical slice & use PVSS framework tools u Pilot applications – test cases u Collaboration ACC – detector group – JCOP

28. 15.10.01DCS overview - L.Jirdén28 Implementation strategy u C. Services u Determine required functions and responsibilities u Pilot applications – test cases u Collaboration ACC – detector groups – CERN services u D. Links to ALICE DAQ, TRG, offline u Initiate common projects u Pilot applications – test cases u Collaboration ACC – DAQ, TRG, offline – detector group

29. 15.10.01DCS overview - L.Jirdén29 Implementation strategy u E. Links to LHC u Experiment common project (JCOP) u F. Controls Infrastructure u Define requirements u Collaboration ACC – DAQ – Infrastructure group

30. 15.10.01DCS overview - L.Jirdén30 Where are we today? u Concentrating on Process Control for detectors first u Requirements u Collecting information from the Detector groups u TDR’s, workshop, questionnaires, discussions u Creating a “channel inventory database” u Producing a document with the “functional requirements” u Aim for one URD per detector u Template u The first draft URD’s ready

31. 15.10.01DCS overview - L.Jirdén31 u Prototyping common solutions u Three pilots: u Prototype TPC pilots planned for TPC test- beam in May 2002 u “Vertical slice” for HMPID in progress u TPC u High Voltage u Low Voltage u Cooling u HMPID u High Voltage u Low Voltage u Fluid system Where are we today? u TPC Fieldcage u High Voltage u Low voltage (r-rod current) u Cooling (r-rod)

32. 15.10.01DCS overview - L.Jirdén32 PC-PVSS PC-OPC server TPC Cooling test (may 2002) FEC May 2002 Wago mPLC Wago module ADC 0-10V PT1000 sensors Heater Flow meter Fieldbus PID Regulation Ethernet/TCP 0.1 degree C stability

33. 15.10.01DCS overview - L.Jirdén33 Conclusion u DCS project re-launched since 6 months – first achievements: u Global project outline approved and contacts with most detector groups established u Basic implementation strategy defined and work-plan being prepared u Pilot prototyping of common solutions started u Controls Coordination team now 3.5 people