Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Overview of DIAMOND to the European EPICS Meeting at
PSI May 2001
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Content
• Update on the DIAMOND project
• Overview of the DIAMOND Facility
• Control System
Progress
Requirements
Technical Issues
• Conclusion
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
What is DIAMOND ?
• DIAMOND is the new UK Synchrotron Radiation Source
• To be Located at the Rutherford Appleton Laboratory (RAL) Oxfordshire
• Medium energy source
• Complement ESRF
• Due online around 2007
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
DIAMOND Photon Output
1.0E+12
1.0E+13
1.0E+14
1.0E+15
1.0E+16
1.0E+17
1.0E+18
1.0E+19
1.0E+20
1.0E+21
1 10 100 1000 10000 100000
Photon Energy (eV)
Bri
gh
tne
ss
U36
U24
U48
U80
MW
BM
W
ESRF (U34)
U200
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Project Evolution
• 1996 Feasibility study produced (Red Book)
3 GeV 16 cells 345m 14 nm.rads
• 1998 Funding announced
UK Government and Wellcome Trust
• 1999 French government joined Project
3 GeV 20 cells 400m very low emittance
• 2000 Site decision for RAL Oxfordshire
3 GeV 24 cells 560m emittance < 3nm.rad7 Beamlines on Day 1Budget set at £200MScience and Technical Advisor Committees established (SAC &
TAC)DIAMOND to be owned by Joint Venture Institute /Company
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Project Organisation - Model
WELLCOME TRUST
Design Authority
CLRC
UK GOVERNMENT FRENCH GOVERNMENT
JOINT VENTUREINSTITUTE / COMPANY
Industrial Suppliers
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Programme Plan
Prepare specification June 00 to Mar 01
Start formal design phase Nov 2000
Start procurement April 2002
Final installation April 2006
Commission beamlines April to Sept 2006
Note: Seven ‘Day 1’ beamlines
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Major Parameters
Energy 3 GeV
Beam current 300 mA
Lattice DBA 24cells
Symmetry 6 fold
Circumference 560 m
Max length for ID's 18 x 5m
6 x 8m
Injection energy 3 GeV
Life Time 10 Hours
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Artists Impression
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Possible Site Layout at RAL
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Technical Challenges
• Super Conducting RF
Endorsed by TACIssues of cavity phase stabilityCryogenics refrigeration plant 1kW at 4.2K
• Top Up Injection
Recommend by TAC, but not for day 1Booster Stability >> Power supply and controlInjection into specific bunches >> Timing SystemRadiation Monitoring >> Integrated Loss
• Orbit Stability
Sub Micron Feed Back
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Control System Progress• 1999 Evaluated options for a control system tool kit
TANGO, Commercial, SRS control system and EPICS• 1999 EPICS chosen as control system tool kit
• 2000 July Budget costing prepared and work package planned
• 2000 Nov Start of Design Phase
• 2000 Nov Two staff on EPICS training at LANL
• 2001 Mar Test stand constructed and operational Base 3.13
• 2001 April Defined Scope and Requirements of Control system
• 2001 May Recruitment and training new staff
• 2001 June 5 Staff on control system
• 2001 July Evaluation of interfaces preparation of specifications and design report
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Control System Scope
“The DIAMOND control system will be a site wide monitoring and control system for the accelerators, beamlines and conventional facilities. The control system will extend from the interface of the equipment being controlled through to the operator. It will include all hardware and software between these bounds: computer systems, networking, hardware interfaces and programmable logic controllers. “
“The control system will not include any control or data acquisition for the experimental stations. It further will not include the personnel protection system, which is a separate system that will be monitored by the control system.”
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Control Systems Includes
• Consoles
• Networking
• Equipment Interface
• Protection and Interlocking
• Timing and Event generation and distribution
• Wideband (RF) and Analogue Mux systems
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Initial Assessment of Equipment
* Steering Windings ** Vac for SR and 24 Front Ends *** Transverse FB, Timing , Mux and Conventional services
Equipment Linac Tx Paths Booster SR BLs (7)
Main Magnets 33 4 457Steering Magnets 16 32 528 *RF 2 3 12Vacuum 10 21 64 1242 ** 231Diagnostics 6 12 28 222Pulsed PSUs 6 5Personnel Safety 1 1 4 7Vessel Prot 48Beam Loss Mons 480Rad. Monitors 5 5 48IDs or Motors 14 140Misc 87 *** 7
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Initial Assessment of IOCsIOCs Linac Tx Paths Booster SR BLs (7)
Main Magnets 1 1 25Steering Magnets 1 1 12RF 1 2 5*Vacuum 1 2 4 48 7Diagnostics 1 2 4 13Pulsed PSUs 1 1Personnel Safety 1** 2 2Vessel Prot + Loss Mons 12Rad. Monitors 1** 2 2IDs or Motors 7 7Misc 5 2TOTALS 5 6 13 132 20
* LL RF, Cavites, Amplifiers, PSUs and Cryo plant ** Linac, Booster and Tx Paths
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Summary of Interface Requirements
• Total Devices to Control 3781
• Total Number of IOCs 176
• Devices per IOCs approx. 22
• Likely number of PVs 100,000 ????
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Number of Interfaces
• From the Assessment of Equipment the number of particular interfaces is derived
Analogue 1677Digital 1111VME back plane 73Video 8GPIB 2Serial 2116System Integration 8
This is NOT necessarily channels but interfaces
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
EPICS Test Stand
• IOC MVME167
• Sun Ultra 10 Solaris
EPICS Base 3.13
Tornado II
CapFast
• PC P3 800MHx Linux Red Hat 6.2
Epics Extensions
Base 3.14 Alpha 2
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Immediate Tasks
• Training of Staff on EPICS
• “Understand” IOC Databases !?!?!?!?
• Evaluate EPICS Device support
DIO,AIO, Serial, GPIB, Ethernet
• Evaluate existing Driver support
Produce list of supported instruments
Identify areas where development is necessary
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Serial Interfaces
• Need to support Serial Interfaces to equipment
• Advantages are
Increased functionality per connectionMinimises calibration errors from Control System ADCsWidely accepted use of RS232,422 etcIntegration of systemsFaster commissioning
• Disadvantages are
High processor loadDevelopment to support vendor protocolsAlso need hardwire analogue for fast logging and digital for
Interlocks
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Equipment Protection Policy
• The Control System will manage protection of equipment where required.
• Give consistency of behaviour.
• Three levels of protection determined by assessment of damage/cost caused by failure
High Integrity : provided in hardware
Routine Interlocking : provided by PLCs
Prudent Operational Limits : provided by IOC DBs
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Relational Database
• DIAMOND Control System MUST have a relational database
Contain as Minimum the IOC DBs, Device names, and ???
• Review other EPICS uses of RDB from June 2001
BESSY II, SLS, SNS
• Define tools and processes for producing IOC DBs and importing / exporting data to and from RDB
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Applications Interface
• Need to integrate seamlessly other sources of information at the application level
RDB, Acc model and ????
• CDev provides one solution
Low overhead
Allows retention of core Epics extensions medm etc
• Want support for Win API most likely through ActiveX
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Application Model
Web IFCGI server
Beamline & exp IF server
Accelerator Model
Scripting TCL
EPICS appsM EDM synoptics, A larm
Handler, Achiever
Accelerator Model client
EPICS Channel Access client SQL client
EPICS serversDynamic data
Oracle DatabasePersistent data
CDev Common Device Interface
W in A pps V B , C ,
E xce l, Lab V IE W
Active X Applications
Abstraction layer
CDev Services
Servers ofInformation
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Industrial Support
• Can we buy EPICS ready systems from industry?SLS Linac from Accel
SLS RF from Thomcast
Power supplies ???
BPM diagnostics from Instrumentation Technologies
Support for beam position feed back system
EPICS support from Observatory Sciences Ltd in UK
• VME manufacturers already offer support in the form of EPICS drivers
Hytec in the UK
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
A Model For Procurement
• Contract out build, install and commission of large parts of the Control System, by defined packages of work
Consoles and ServersNetworkEquipment Interface per technical area
Magnet PSU, RF, Diagnostics, Vacuum, Linac, …..
• Provide integration at the IOC level
• CLRC then has responsibility for overall integration
• Effective way to manage risk in procuring the control system
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Partition Control System
Main PSUs
RF Vac Diag. IDs ConventionalFacilities
IOCs
Network
Consoles &Servers
Steering PSUs
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
Conclusion
• EPICS is not as frightening as led to believe !!
• EPICS is a very good choice for an accelerator control system
• Lots of issues to resolve for DIAMOND control system
We need to consult the EPICS community
• Confident EPICS will enable
The Control System to be available from day one of accelerator operation
The Control System to support commissioning and operation of the accelerators not hinder
Overview of DIAMOND to the European EPICS Meeting at PSI
May 2001
Daresbury Laboratory Mark Heron
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