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ESS Naming Convention (and how it applies to vacuum) & Vacuum Requirements

Learn about ESS Naming Convention's purpose, rules, syntax, and how it applies to vacuum systems. Explore the breakdown structure and guidelines for naming devices in the context of the European Spallation Source. Discover the proposed convention for naming vacuum devices and subsystems. Stay informed about the accelerator requirements for vacuum systems and the development of L2, L3, and L4 requirements. Access the ESS Naming Convention at the European Spallation Source website.

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ESS Naming Convention (and how it applies to vacuum) & Vacuum Requirements

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  1. ESS Naming Convention (and how it applies to vacuum) & Vacuum Requirements Eugene Tanke Systems Engineer www.europeanspallationsource.se February 20, 2014

  2. Outline ESS Naming Convention Purpose History Syntax Rules and Guidelines Definitions of device, subsystem and system Status and next steps for L3 requirements Naming tools Accelerator Requirements for Vacuum Proposed Product Breakdown Structure for the ESS Accelerator L2, L3 and L4 requirements 20-Feb-2014

  3. Purpose of the ESS Naming Convention* • The purpose of the ESS NamingConvention is to be able to have consistent ESS wide naming of devices and their signals • The ESS Naming Convention applies to all devices and signals, including their usage on/in: • operator screens • inventory system • drawings • design schematics • computer software • project databases • equipment nametags • test procedures • other sources of technicalinformation atESS *The ESS Naming Convention is accessible at: http://europeanspallationsource.se/ess-naming-convention 20-Feb-2014

  4. ESS NamingConvention is based on experience at other labs ESS Naming Convention is basedonastandard developedfortheSuperSuperconductingCollider(SSC) and later adopted to other large research facilities: Spallation Neutron Source (SNS) Facility for Rare Isotope Beams (FRIB) International Thermonuclear Experimental Reactor (ITER) Continuous Electron Beam Accelerator Facility (CEBAF) 20-Feb-2014

  5. ESS Naming Syntax has been defined • ESS Naming Convention is currently being tested with use cases 20-Feb-2014

  6. Naming Rules have been established System SSSS Section convention name Subsystem BBBB Default type: Subsection convention name Alternative type: Discipline convention name Device IndentifierDDDD Generic device identifier Device QuantifierIII Default type: Instance number and/or alphanumeric quantifier Alternative type: Subsection number immediately followed by alphabetic ordering (a,b,c etc.) 20-Feb-2014

  7. Naming Guidelines have been established Names shall be short, yet meaningful and organized consistently Primary scope is for operations Names are not necessarily structured according to WBS or PBS These are mainly for optimizing design and construction Database integration is vital 20-Feb-2014

  8. Definition of Device Within the naming convention, a “Device” is an abstraction that can represent single pieces of equipment (which may have signals associated with it) or a higher level entity of the ICS (e.g. device models, instruments etc) 20-Feb-2014

  9. Examples of Vacuum Devices CCG GV, SGV, MVV etc TMP 20-Feb-2014

  10. Definition of Subsystem Within the naming convention, “Subsystem” is typically used to reflect the different disciplines (Vacuum, Proton Beam Instrumention, Radio Frequency Systems etc) For vacuum, the subsystem part (BBBB) is called Vac 20-Feb-2014

  11. Definition of System In applying the naming convention within the accelerator, “System” (SSSS part in the name) can be used to reflect the different beam line sections, such as LEBT MEBT LEDP HEDP A2T • An example of applying the naming convention to a turbo molecular pump within the accelerator: • LEBT-Vac:TMP-1 20-Feb-2014

  12. Tools for naming are under development Web-based and other tools are under development to support the user in the naming of devices. Users of such a tool may be asked to select Discipline and device type from the device category structure Section and subsection from area breakdown structure With such tools, users should not have to be informed in detail on definitions of section, subsection, discipline etc Such tools help avoiding the usage of invalid names and/or names already in use 20-Feb-2014

  13. Reference Material More on the ESS Naming Convention is on the following ESS public website: http://europeanspallationsource.se/ess-naming-convention NOTE During iWeek (February 26-28) ICS will present several software tools including the Naming System, Lattice Browser, and Controls Configuration Database. A detailed schedule will be in Indico later this week. 20-Feb-2014

  14. Accelerator Requirements to Vacuum systemsProduct Breakdown Structure (PBS) Accelerator requirements are developed based on the levels in the PBS 20-Feb-2014

  15. L2 and L3 Accelerator Requirements to Vacuum Pertaining to the Accelerator System L2, an ESS Vacuum Manual is being developed, covering vacuum standards and procedures Draft requirements related to the required vacuum pressure for each of the Accelerator L3 Sections (Isrc, LEBT, RFQ, MEBT etc) have been developed These requirements will drive Vacuum L4 requirements…. ….but need to be substantiated with justifications first 20-Feb-2014

  16. L4 Requirements to Vacuum are being developed L4 Vacuum requirements are being developed for each of the accelerator sections. These may cover requirements related to Pump down speed and concomitant expected gas load Sector valves Fast Valves Pressure at which one can open a (sector) valve Pressure at which a (sector) valve shall close Pressure read-out capability …. 20-Feb-2014

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