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J. Gutleber1
PR-111003-a-JGU, October 9th, 2011
MedAustron PXI Systems at CERN
Johannes GutleberRoland Moser
J. Gutleber2
Outline
• Overview of the Accelerator• Control System Architecture• Software and Hardware Developments• Integration Column• Summary
PR-111003-a-JGU, October 9th, 2011
J. Gutleber3
PR-111003-a-JGU, October 9th, 2011
OVERVIEW
J. Gutleber4
The Project
• Ion-therapy and research centre in Wiener Neustadt, Austria• Proton/ion synchrotron accelerator
• Ion-therapy for cancer treatment• Clinical research and applied research
• Multiple ion sources• p + C for ion therapy• Light ions for research
• 5 beam lines• Experimental: 1 horizontal• Clinical: 1 horizontal, 1 horizontal + 1 vertical, 1 proton gantry
PR-111003-a-JGU, October 9th, 2011
J. Gutleber5
Principles of Application
Bragg-Peak• Well defined point at which
beam deposits energy• Carbon-Ions have direct
physical effect on tumor cell
PR-111003-a-JGU, October 9th, 2011
Pencil Beam Scanning• Precise deposition of dose• Reduce irradiation time• Improve dose homogeneity• Treat problematic tumors
J. Gutleber6
MedAustron / CERN
• CERN designs accelerator and the accelerator control system• MedAustron employees stay at CERN since October 2009• A framework agreement with Cosylab was established in April 2010• Department BE hosts the project (BE/OP-MED section)
• Agreements with departments• Various agreements with EN and BE for support on technologies used
has been established with BE-OP
• MedAustron PXI users at CERN• 1 person in control system project (Cesar Torcato de Matos)• 1 person in beam diagnostics project (Anton Kerschbaum)• 2 more possibly to come throughout the year for the injector test
stand in building 184.
PR-111003-a-JGU, October 9th, 2011
J. Gutleber7
PR-111003-a-JGU, October 9th, 2011
ARCHITECTURE
J. Gutleber8
Control System Architecture
• Multi-tier architecture• Separation of concerns
• Interfaces between tiers• Identification of functional
components in tiers
• Industry oriented• Modular• Stepwise extensible
PR-111003-a-JGU, October 9th, 2011
Presentation tier (1)
Processing tier (2)
Equipment tier (3)
Frontend tier (4)• Responsibility of accelerator
workpackages
J. Gutleber9
Rack mountedPC (PCIe)
Design Choices
PR-111003-a-JGU, October 9th, 2011
Presentation tier (1)
Processing tier (2)
Equipment tier (3)
Frontend tier (4)
PXIe
Virtual Machines
PLC, controllers,Power converters
Meas.Studio
Inhouse C#
Ethernet, TCP/IP WinCC OA, SRDP
Ethernet, TCP/IP OPC, STM/MAPS, HTTP
Ethernet, TCP/IP
Recommendations forRS 422 & digital IO
OPC, MRF, 8B10B custom
Ethernet,NI SV
J. Gutleber10
Presentation tier (1)
Processing tier (2)
Equipment tier (3)
Frontend tier (4)
Control System Architecture
PR-111003-a-JGU, October 9th, 2011
MeasurementStudio
WinCC OA (PVSS) is the core operating system of the accelerator control system!• Keeps overall system status image• Single entry point into systems• ~ 100 kDPEs on 6 VMs
J. Gutleber11
Control System Architecture
PR-111003-a-JGU, October 9th, 2011
MeasurementStudio
Inhouse C#
PXIe platform and LV-RT is the processing platform of tier-3!Light Front-End Control Operating System (FECOS) implemented.Light framework to adapt all devices and processes to tier-2.
Presentation tier (1)
Processing tier (2)
Equipment tier (3)
Frontend tier (4)
J. Gutleber12
PR-111003-a-JGU, October 9th, 2011
DEVELOPMENTS
J. Gutleber13
Developments
• Front End Controller Operating System (FECOS)• Main timing system• Power Converter Controller• Beam Diagnostics and Instrumentation• Injector LLRF integration (TINE protocol)• Ion Source integration
PR-111003-a-JGU, October 9th, 2011
J. Gutleber14
FECOS• Object oriented LabView (Real-Time) framework• Uniform and transparent network communication
• WinCC OA integration through OPC/SV server• MedAustron Publisher/Subscriber (MAPS) for high rate data exchange
based on NI Simple TCP Messaging (STM)
• Uniform operation (state machine)• Configuration• Real-time tasks, error handling, remote logging• Runs in tier 3 (equipment tier)
PR-111003-a-JGU, October 9th, 2011
J. Gutleber15
Main Timing System (REDNet)
• Real-Time Event Distribution Network (REDNet)• Based on Micro Research Finland (MRF) hardware layer
• PXI running, PXIe event receiver cards under development• Drivers and libraries for LV and LV-RT developed
• Event broadcast sequencer• General-purpose “cycle sequence-player” system
• Symmetricom S350 GPS integrated for 100 ns timestamps,1 µsec event granularity10 nsec granularity for synchronizing 2 injection devices
• 50 receivers needed (but scales to several hundreds)• Implemented by Cosylab• In-device response via RT bus or Universal IO modules
PR-111003-a-JGU, October 9th, 2011
J. Gutleber16
Power Converter Controller
PR-111003-a-JGU, October 9th, 2011
FlexRIO adapters (6 optical SFPs)
RT link(100 kHz)
FPGA-based FED
• All 262 power convertersoperated via NI-FlexRIO based distributed system• High density 8-16 FlexRIOs in 1 chassis (around 70 PCOs per chassis)
• Power converters are • RS-422 serial devices for slow controls
(uniformed interface design for all power converters)• Voltage sources driven via in-house built regulation board (DSP)• Special magnets with optical trigger for setpoints via RS-422
J. Gutleber17
PR-111003-a-JGU, October 9th, 2011
INTEGRATIONCOLUMNS
J. Gutleber18
CO Systems in Use Currently• 1 Main Timing Generator
• PXI 1031 4 slot, PXI-8102 dual core, • 1 MRF EVG
• 1 Power Converter Controller• PXI 1042 8 slot, PXI-8110 Core 2 quad core,
4GB RAM, LV-RT• 1 FlexRIO PXI-7954R (Virtex 5, LX110)
and 1 MRF EVR to test PCC• 1 FlexRIO PXI-7952R (Virtex 5, LX50)
• 1 Ion Source Front End Controller• PXI 1042 8 slot, PXI-8109 i7 CPU,
4 GB RAM, LV-RT• 32 DIN, 32 DOUT, 4 serial IO,
M-DAQ card 48 DIO, 32 AIN, 4 AOUT, Profibus card
PR-111003-a-JGU, October 9th, 2011
FlexRIO fiber link protocolFED
MTR
PCC
MTS MTG
J. Gutleber19
Beam Diagnostics Currently in Use
• 2 PXI-1042 8 slot, PXI-8110 2 GB, LV-RT• PXI 7340 motion control, PXI-6220 DAQ,
MRF event receiver• beam diagnostics development
• Wire-scanner + slits• Profile grid monitor• Faraday cup
PR-111003-a-JGU, October 9th, 2011
J. Gutleber20
Systems OverviewChassis Quantity Usage Status
PXI 1031 1 Main Timing Generator ExistingPXI 1042 1 Power Converter Controller ExistingPXI-1042 1 Ion Source FEC ExistingPXI 1042 2 Beam Diagnostics Development Existing
PXIe-1075 1 Power Converter Controller OrderedTBD 1 Injector LLRF FEC (Jan. 2012) Planned
PXIe-1075 2 ITS Beam Diagnostics OrderedPXIe-1075 5 PCC (May 2012) PlannedPXIe-1075 11 Beam Diagnostics Planned
PR-111003-a-JGU, October 9th, 2011
• Currently 5 in use, 3 ordered, 1 more in pipeline (9 systems)• 5 more systems for CS until May 2012 (total 13 systems)• Beam diagnostics next bunch early 2012, to be seen how
many to be ordered
J. Gutleber21
PR-111003-a-JGU, October 9th, 2011
SUMMARY
J. Gutleber22
Transition from PXI to PXIe
• Currently evaluating with NI best configurations• MRF develops with Cosylab a PXIe event receiver card
• Prototype in december, final product in May 2012
• Evaluation before EoY Windows (8 GB) vs. LV-RT (4 GB)• For all applications except beam diagnostics
PR-111003-a-JGU, October 9th, 2011
J. Gutleber23
Wish List - Brainstorm
• Shared variable engine performance evaluations and tuning• Maybe common project on publisher/subscriber?
• DIM usage failed due to problems on LV-RT
• Hypervisor evaluation• Tuning of application’s memory tuning• Are you interested in REDNet?• Are you interested in FECOS?
PR-111003-a-JGU, October 9th, 2011
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