ALICE DCS PROJECT ORGANIZATION - a proposal -

1. ALICE DCS PROJECT ORGANIZATION- a proposal - • Project Goals • Organizational Layout • Technical Layout • Deliverables • Responsibilities • Resources • Initial steps DCS Workshop - L.Jirdén

2. PROJECT GOALS • 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”. • Final assembly and commissioning “Individual DCS’s ready to be used during final assembly and commissioning end 2004”. • Intermediate goals • Milestones to be established in ALICE Controls Board. DCS Workshop - L.Jirdén

3. ALICE Controls Coord. team (ACC) ALICE Controls Board (ACB) DAQ Trigger Offline LHC M. Ext. Services Detectors DCS Workshop - L.Jirdén

4. ALICE Techn. Coord. Techn. Board ALICE Controls Coord. team (ACC) ALICE Controls Board (ACB) DAQ Trigger Offline LHC M. Ext. Services Detectors DCS Workshop - L.Jirdén

5. ATLAS Controls Coord. CMS Controls Coord. LHCb Controls Coord. IT-CO group EP Management Joint Controls Project (JCOP) ALICE Techn. Coord. Techn. Board ALICE Controls Coord. team (ACC) ALICE Controls Board (ACB) DAQ Trigger Offline LHC M. Ext. Services Detectors DCS Workshop - L.Jirdén

6. GLOBAL LAYOUT DCS ITS TPC MUON pixel strip drift T T p hv hv hv hv hv lv lv lv lv lv Detectors DCS Workshop - L.Jirdén

7. GLOBAL LAYOUT Services magnet gas electricity cooling DCS safety access ITS TPC MUON pixel strip drift T T p hv hv hv hv hv lv lv lv lv lv Detectors DCS Workshop - L.Jirdén

8. GLOBAL LAYOUT Services magnet LHC ECS gas Offline electricity Trigger cooling DCS safety DAQ access ITS TPC MUON pixel strip drift T T p hv hv hv hv hv lv lv lv lv lv Detectors DCS Workshop - L.Jirdén

9. STANDARD DCS MODEL CERN WAN Central supervision Operator workplace Supervision layer Local engineering workplace Local operator workplace Control layer Process Control Process Control Process Control Field interface Fieldinterface Field interface Field layer Field interface Field interface Field interface Field interface

10. DELIVERABLES • DCS Architecture definition • URD of systems, devices, parameters to be handled by DCS • “Standard” ALICE components • Implementation of end-to-end controls slices • Object library definition • Planning and milestones • Budget • etc. DCS Workshop - L.Jirdén

11. PROTOTYPE DEVELOPMENT • Study, evaluate ‘standard solutions’, ex. • Ways of measuring temperatures • control of HV systems • monitoring of LV power supplies • Complete end-to-end detector controls slice • use of framework tools; configuration, logging, alarms, etc • Test cases with some detector groups • Identify needs with ACB • “Hands-on” experience DCS Workshop - L.Jirdén

12. RESPONSABILITIES (1) • ALICE Controls Co-ordination (ACC) • co-ordinate the project execution; monitor, follow-up • give guidelines • give assistance (manpower limited) • provide common facilities • provide interfaces to external systems • give access to common tools and components DCS Workshop - L.Jirdén

13. RESPONSABILITIES (2) • Detector Groups • design and implement the control of their detector • respect technical spec., planning and agreed budget • participate in ALICE Controls Board (ACB), share decisions, follow guidelines & recommendations as far as possible DCS Workshop - L.Jirdén

14. RESPONSABILITIES (3) • ALICE Controls Board (ACB) • Principal steering group for ALICE controls • Each detector and service group represented • Open to all • Chaired by Controls Co-ordinator • Executive in technical matters • Reports to Technical Board DCS Workshop - L.Jirdén

15. RESPONSABILITIES (4) • Services Groups • Magnets • Electricity • Gas • Cooling & Ventilation • Access • Alarms & Safety • design and implement the control of their service • respect technical spec., planning and agreed budget • ALICE controls link-man co-ordinates and follows-up • link-man represents the service in ACB DCS Workshop - L.Jirdén

16. RESPONSABILITIES (5) • DAQ, Trigger, Offline, LHC machine • interfaces subject to common projects • roles and responsibilities to be defined • IT Controls Group • co-ordinate the execution of JCOP • execute the mandate of JCOP in collaboration with the LHC experiments • provide and support common components and tools defined by JCOP • Joint Controls Project (JCOP) • provide common framework of tools and components DCS Workshop - L.Jirdén

17. MANPOWER (1) • Controls Co-ordinator • Leader of ACC team • Leader of the DCS project • Chairs ACB • Represents DCS in TB and ALICE in JCOP • Common supervisory facilities- 2 software engineers or equivalent - • Global DCS architecture • Connection mechanisms and common functions • Interfacing to external services • Interfacing to DAQ, TRG, Offline, LHC machine DCS Workshop - L.Jirdén

18. MANPOWER (2) • Process control and field layer- 1 engineer or equivalent and 2 technicians - • Principal interface to the detector groups • Global DCS architecture • Connection mechanisms and common functions • test-lab and prototyping of ‘standard solutions’ • advice and assist detector groups DCS Workshop - L.Jirdén

19. INITIAL STEPS • Agree on project definition • Establish resources, create ACC team • Establish ACB • Define organization of work • Identify applications for prototyping • Define milestones and detailed planning • Start regular progress meetings DCS Workshop - L.Jirdén