Overview of DIAMOND to European EPICS Meeting 99

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Progress Report on the DIAMOND Light Source to
the EPICS Meeting DLS June 03
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Diamond

• Diamond is the new UK Synchrotron Light Source
• Located at the Rutherford Appleton Laboratory
  (RAL) Oxfordshire
• Due online early 2007

Electron Beam Energy 3 GeV
Storage ring circumference 561.6 m
Number of cells 24
Straight section lengths 6 x 8 m ( 4x ID, RF Injection) 18 x 5 m
Beam current 300 mA(500 mA)
Emittance (hor., vert.) 2.7, 0.03 nm rad
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Programme Plan

• Linac Issue tender Oct. 14th 02
• Place order Dec. 13th 02
• Install Aug. 04 - Apr. 05
• Commission with beam May. 05 Jul. 05
• Booster Tender for main components Feb. 03
• Order main components Jun 03
• Install Aug. 04 Aug. 05
• Commission with beam Sep. 05 - Dec. 06
• Storage Ring Start to order main components May.
  03
• Girder assembly Aug. 04 - Jul. 05
• Girder installation Nov. 04 - Nov. 05
• Plant commissioning Dec. 04 - Dec. 05
• Commission with beam, no IDs Jan. - Mar. 06
• Install IDs Apr. 06
• Commission with IDs and FE May Jul. 06
• Beamlines Install beamlines Jan. 05 - Aug. 06
• Commission with beam Aug. 06 - Dec. 06
• Diamond facility Start of operations 8th Jan.
  2007

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Diamond Accelerators
Linear accelerator (Linac) 100 MeV
energy Booster synchrotron 100 MeV - 3 GeV 158
m in circumference Storage Ring 3 GeV
energy 562 m in circumference
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Location on the RAL site, Oxfordshire
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Diamond Building Concepts
Courtesy of Crispin Wride Architectural Design
Studio, JacobsGibb Ltd.
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Diamond Building Detail
Courtesy of Crispin Wride Architectural Design
Studio, JacobsGibb Ltd.
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Diamond Site June 2003
Picture Courtesy of Angelos Gonias
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Linac

• DLS supplies vacuum, and diagnostic equipment.
• Progress
• Contract placed Dec 02
• Design Review May 03
• Installation starts Sept 04
• Services available Dec 04
• Final acceptance June 05

• Turn-key contract for 100 MeV Linac with Accel
  Gmb
• Includes installation and commissioning to a
  performance spec.
• EPICS Controls, subcontracted

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Booster

• 22 Cell FODO lattice with 36 dipole magnets
• Missing dipole straights used for injection,
  extraction, RF and diagnostics
• 3Hz or 5Hz repetition rate
• Current Call for Tender for Magnet and vacuum
  assembly units
• Separate procurement of other components
• Installation and assembly by DLS
• Control system by DLS

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Storage Ring

• 24 Cells Double Bend Achromat
• 72 Girders for Lattice
• 48 Dipoles (1 circuit ), 240 quads, 168 Sext
• 696 Steerers
• 168 BPMS
• 384 Ion pumps, 196 Vac Gauges
• 21 straights for IDs, 3 Straights for Injection,
  RF and Diagnostics
• Calls for Tender
• RF Cavities, Amplifiers, Girders, Vessels
• Contract placed for Quads
• Installation and assembly by DLS
• Control system by DLS

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Control Instrumentation Areas (CIA)

• CIA per Cell
• CIAs house instrumentation racks in a clean
  temperature controlled environment
• IOCs for each technical area
• Quad/Sext PSUs, Steerer PSUs, BPMS, Vacuum, MPS,
  Girder Alignment, 2x Front Ends, 2x IDs, PSS
• Design once, build 24
• CIAs linked to MCR using FOs
• 2x Computer networks, Timing signals, Reflective
  memory, MPS, Video and Point to Point Analogues
• Minimise Copper connections CIA to CIA

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SR RF System

• 2 SC RF cavities for Day 1
• (7 IDs and 300 mA)
• 3rd cavity being designed in
• Independent RF systems (IOTs/klystron)
• Single cryo-plant
• Calls for Tender issued for
  cavities and amplifiers

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Beamlines
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Proposed Beamline Layout
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Control System Architecture

• Based on EPICS using Two Layer Model
• Primary interface to CS through VME IOCs
• Use VME64x, IP carriers, IP Modules and
  transition board for rear connection
• Hot Swap capability
• Will use PLCs to manage interlocks for
  protection
• Avoids Watch Dogs on IOCs and allow warm reboot
  of IOCs
• AB Control Logix PLCs for low end applications,
  eg Vac Valve control
• Siemens S7/300 and S7/400 for high end
  applications, eg Linac and Cryoplant
• Serial Interface to Instrumentation
• Potentially several thousand
• Serial support through Stream Device and ORNL
  Serial

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Hardware

• Development
• Linux for Development
• Running EPICS 3.13.4 will move to 3.14.x
• Consoles
• PCs running Linux
• Will support Win2000
• IOCs
• VME64x
• PPC Processor boards
• Select processor Autumn 2003
• Will use IP carrier and modules
• Primarily 7 slot crates

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Recent Developments

• Standardised on SLS PSU controller for 1300 PSUs
• Full digital regulation
• CS Interface through high speed point to point
  link
• Development of APS/SLS Event System with SLS and
  Micro Research
• Move to 2.5Gbit transmission, reduce jitter,
  enable distribution of RF clock and recovery
  using VCO
• Development of Application Development
  Environment
• Define processes and sequences of building
  applications
• Local development on Linux PCs, CVS for revision
  control and server for final check out to
  operations
• Need to integrate upload to RDB seamlessly

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Further CS Developments are Presented

• Personnel Safety System
• Martin Wilson
• Vacuum Controls
• Steve Singleton
• Control System for a Helical Undulator
• Pete Owens
• Relational Database Design
• Vijayan Krishnamurthy

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