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IRMIS Status EPICS 2009 Vancouver D. A. Dohan

IRMIS Status EPICS 2009 Vancouver D. A. Dohan. Outline. IRMIS hardware model cable/cable run channel list Equipment Inventory System RDB Domain separation High Level Application support lattice TRACY3/Elegant deck generator Process Variable Introspection pv groups pv aliases

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IRMIS Status EPICS 2009 Vancouver D. A. Dohan

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  1. IRMIS Status EPICS 2009 Vancouver D. A. Dohan

  2. Outline • IRMIS hardware model • cable/cable run • channel list • Equipment Inventory System • RDB Domain separation • High Level Application support • lattice • TRACY3/Elegant deck generator • Process Variable Introspection • pv groups • pv aliases • pv to channel • IRMIS Code-a-thon • PHP integration/support • PHP work at APS • PHP work at MSU/NSCL • Architecture • Future Plans

  3. General observations: • RDB services are now considered a basic requirement for machine commissioning and operation – support for High Level Applications • proven availability of RDB services (hardware redundancy, load balancing, …) • shift in emphasis in IRMIS from descriptive to prescriptive • the RDB schema and application suite continues to evolve as each application is rolled out • requires an agile programming environment, where enhancements to the relational database can be made to an operational production system

  4. IRMIS Overview Lattice Software (Global EPICS/PV Logic) Hardware (component model) Cables (Signals)

  5. IRMIS Hardware Model Enhancements - separation of the Component Installation from the Equipment Inventory System: - allows the ‘installation’ of infrastructure items that are not typical EIS inventory items (rooms, racks, etc). - allows multiple configurations (e.g. ion source, RF, beamlines, etc) - the EIS contains items that are not installed (spares, stock) - completely separate applications (domain separation between the installer and the EIS). - The installation schema has strict validation requirements – the data can be independently verified by inspection, whereas the EIS will generally be unverifiable. (domain specific validation requirements)

  6. “Parts Assembly Instructions”

  7. Equipment Inventory (History)

  8. IRMIS Loose Coupling and Domain Separation • The Equipment Inventory System is a separate RDB sub-domain, (it contains the foreign key to the main install table) • The EIS has a separate schema and application development prototyping cycle. Each site has different EIS requirements (maintenance cycles, certification, calibration, …) • The install schema has stringent data integrity requirements – database constraints, application business rules, test routines, external validation. • The install schema provides the basis for a number of domains/applications that are dependent on the install data consistency. • Additional sub-domains loosely coupled to the install domain: • lattice • cable • pv::channel

  9. IRMIS Domain Separation: Separate schema and application development cycles

  10. IRMIS Lattice Schema • The IRMIS lattice schema provides a 4th hierarchy – ‘the accelerator hierarchy’ • a hierarchy of nested sequences, ultimately containing the target beam delivery components (magnets, bpms, …) • IRMIS Data Service Layer support

  11. IRMIS lattice schema

  12. IRMIS Overview Lattice Software (Global EPICS/PV Logic) Hardware (component model) Cables (Signals) I/O Channels

  13. IRMIS codeathon, Apr. 21-23: • Participants: Debby Quock (ANL), Eric Berryman (National Superconducting Cyclotron Lab), Guobao Shen, Don Dohan, Bob Dalesio and Gabriele Carcassi (BNL). • Highlights: • Using WebStart to support GUIs on Macs • Import/export lattice information in Tracy-3 format • Fixed a couple of problems in the UI (including a concurrency bug that caused applications to fail with large datasets) • Improvements in the Java API (findByFieldName for components and saving the XML of a transaction)

  14. IRMIS codeathon, Apr. 21-23, (cont’d) We had a number of planning/design discussions, especially to coordinate future developments at ANL and at NSCL. NSCL has already built PHP-based inventory tools on top of IRMIS3. Given the interest in PHP support, we are going to investigate how to take some of the work done at NSCL and turn it into a PHP library bundled in the IRMIS3 distribution. We also need some kind of “issue tracker” to manage the todo list. (G.C.)

  15. IRMIS Overview –New Developments Lattice Software (Global EPICS/PV Logic) Hardware (component model) Cables (Signals) PV Introspection I/O Channels Prescriptive PV

  16. IRMIS Plans • PV introspection • centralized location of EPICS and physics name aliases • central management of pv service applications (archiver, alarm handler, SCORE, machine snapshot, etc)

  17. PV introspection (development)

  18. Accelerator RDB editors/applications - Loose Coupling HLA crawler lattice, snapshot pv install IRMIS Data Services presc-pv EIS Cosylab VDCT? tdct? NSCL/ NSLS/ CIDB…

  19. IRMIS Wish List • ‘Link’ expander • expand link component network topology (network virtual circuit, etc) ioc ethernet link network attached device network attached device

  20. IRMIS plans/wishlist • PV introspection • centralized location of EPICS and physics name aliases • central management of pv service applications (archiver, alarm handler, SCORE, machine snapshot, etc) • capture cable signal information – Petri-net analysis • end-to-end signal tracing (e.g. timing signal) • drill down for cable database application

  21. Accelerator RDB editors/applications – Technology Selection HLA crawler lattice, snapshot pv install IRMIS Data Services presc-pv EIS Cosylab VDCT NSCL/ NSLS/ CIDB…

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