Wayne Lewis Australian Synchrotron Beamline Controls Design and Implementation

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Beamline Controls Design and Implementation Beamline summary Resourcing Technology decisions Standards development Infrastructure Individual beamline implementations

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Beamline summary Phase 1 Infrared Spectroscopy Protein Crystallography Powder Diffraction X-ray Absorption Spectroscopy Soft X-ray Spectroscopy

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Beamline summary Phase 2 Microspectroscopy Imaging and Medical Therapy Small/Wide Angle Scattering Protein Crystallography 2

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Resourcing Staff Development equipment External resources

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Technology decisions - background Accelerator controls – EPICS controls throughout – Standard PC based IOCs – No use of VME – GUI implemented in Delphi

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Technology decisions - background Beamline controls No pre-conceived ideas Desire to use open source software Desire to maintain consistency with existing accelerator controls Determine approach at comparable facilities and beamlines Desire to have single control system for all beamlines

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Technology decisions Hardware Off the shelf products PC based IOCs VME where essential (using PCI/VME bridge) In-house motion control Protection systems

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Technology decisions Protections systems Personnel protection Equipment protection Operating system Avoid vxWorks Use standard Linux distributions Determine need for real- time OS

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Technology decisions – control system software Six control systems reviewed Selection criteria established Candidates ranked EPICS was the winner

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Technology decisions – user interface software Engineering/staff interface Use EPICS tools Ease of use/speed of deployment Experimental user interface No single right answer for all beamlines

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Standards development Naming convention IP addressing scheme GUI standards Motion control connectors Coordinate system

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Infrastructure Network Individual VLAN for each beamline EPICS gateway to accelerator Personnel safety system Same system as storage ring PLC code developed in-house Separate system for each beamline Carefully defined interfaces between beamline and accelerator protection systems Data storage

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Powder diffraction Experimental requirements Single energy experiments Multiple sample environments Precision sample and detector positioning Microstrip detector High-resolution detectors Scanning – step and on-the-fly Relatively low data volume and rate No well defined user interface preference

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Powder diffraction Photon delivery system Turnkey contract Design, construction and supply of optics Basic controls included in scope of supply Equipment protection included in scope of supply Controls involvement at all stages essential Defined minimum EPICS releases to be used Definition of interfaces and site standards Close working relationship with controls vendor Ongoing involvement through commissioning phase 40 motors 2 cameras, 1 equipment protection PLC Beam condition and position monitoring

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Powder diffraction Endstation Individual components purchased separately In-house integration effort In-house motion controller Close interaction with detector supplier Sample environments 15 motors

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Powder diffraction User interface Using ‘xxx’ application from synApps Dedicated GUI for detector EPICS ‘sscan’ record to manage data collection Detector controls modified to be ‘EPICS-aware’

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Powder diffraction EPICS usage Photon delivery system Motion control Cameras Serial devices PLC Endstation Motion control Scaler Sample environment Save/restore Scan PLC – Modbus Digital IO Multi-channel scaler

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Powder diffraction Non-EPICS usage Microstrip detector Analog/digital electronics Embedded server GUI is client Sets up acquisition then reads out and saves data Commissioning External expert assistance Photon delivery system Detector

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Experimental requirements Single energy experiments Single sample environment Well defined user interface Commissioning endstation followed by final endstation Synchronisation of sample rotation and shutter High data volume and rate No scanning

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Photon delivery system Same as powder diffraction Same vendor, very similar optics 30 motors 2 cameras 2 beam position monitors Equipment Protection PLC Ion chamber

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Endstation Commissioning endstation for twelve months CCD detector Robotic sample loading

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Endstation High speed shutter High precision sample rotation Cryogenic sample environment Sample monitoring Sample alignment Sample visualisation 22 motors Energy dispersive detector Data storage – 40TB

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Control system Mandate for BluIce user interface Decide between SSRL and GMCA implementations

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Comparison of SSRL and GMCA controls BluIce EPICS MotorsDetectorShutterRobot BluIce DCSS EPICSDHS MotorsShutterDetectorRobot GMCASSRL

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography SSRL vs GMCA SSRL benefits Use existing hardware drivers Use existing scripted functions Easier integration of specific hardware Support from SSRL controls people Minimal development work required Can take advantages of updates from SSRL GMCA benefits “Simpler” architecture No new control system to learn

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography EPICS usage Photon delivery system Motion control Cameras Serial devices PLC Endstation Motion control

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Protein crystallography Non-EPICS usage Endstation SSRL DCSS control system server All experimental scripting Screening database Detector interface Robot interface MCA interface User authentication BluIce user interface Motion control programs Commissioning External expert assistance Photon delivery system Detector SSRL controls

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis X-ray absorption spectroscopy Experimental requirements Energy scanning Step scanning and on-the-fly scanning No well defined user interface Basic energy dispersive detector followed by multi- element detector Low data volume and rate EXAFS and XANES techniques

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis X-ray absorption spectroscopy Photon delivery system High-performance scanning monochromator Cryogenic cooling system 40 motors Beam visualisation Beam position control

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis X-ray absorption spectroscopy Endstation Single MCA detector Multi-element Ge detector Multiple ion chambers

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis X-ray absorption spectroscopy Endstation Scanning is fundamental Require both on-the-fly scans and step scans On-the-fly handled in hardware Step scanning handled by EPICS scan record

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis X-ray absorption spectroscopy EPICS usage Photon delivery system Motion control Serial devices PLC Endstation Motion control Scanning MCA Digital IO Analog IO Scaler Multi-channel scaling

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis X-ray absorption spectroscopy EPICS usage User interface MEDM IDL – ScanSee Python EXAFS scan front end

 Australian Synchrotron March 2008 EPICS Collaboration Meeting, SSRF, ShanghaiWayne Lewis Summary Turnkey contracts Work closely with contractors Develop standards Develop in-house experience and understanding Common systems where possible Customise for experimental requirements Use of external expertise Use of EPICS makes much possible