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Experimental Area Controls and Data Acquisition

This document outlines the responsibilities, component descriptions, and architecture of the control and data acquisition systems for the Experimental Area. It includes information on hutch assignments, LCLS versus LUSI, team organization, schedule, and budget.

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Experimental Area Controls and Data Acquisition

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  1. Experimental Area Controlsand Data-AcquisitionGunther HallerResearch Engineering GroupParticle Physics and Astrophysics Division11 July 2007 v5

  2. Outline • Hutch Assignments • LCLS versus LUSI Responsibilities • Main Control & DAQ Sub-System Component Descriptions • XES (X-Ray End Station) Control & DAQ Architecture & Components • Team/Organization • Schedule • Budget

  3. Hutch Assignments ** ** ** AMO: LCLS PP, XPCS, CXI: LUSI ** SXR Imaging, SXR Pump-Probe, HEDS are not funded at this time

  4. LCLS & LUSI • Common Controls and DAQ System Design for LCLS and LUSI • G. Haller is CAM for LCLS and LUSI Controls & DAQ, including XTOD Controls • LCLS Controls & DAQ W.B.S • Common services for all hutches • PPS • Laser PPS • Accelerator timing interface • 120 Hz beam-quality data interface • Machine protection system interface • User safeguards • Network interface • AMO experiment (NEH, hutch 2) • All controls and DAQ • 2-D detector • Control and DAQ for detector itself only • LUSI Control & DAQ W.B.S • X-Ray Pump Probe, XRPP (NEH, hutch 3) • X-Ray Photon Correlation Spectroscopy, XPCS (FEH, hutch 1) • Coherent X-Ray Imaging, CXI (FEH, hutch 2) • LCLS & LUSI • Local data storage in halls

  5. Controls & DAQ Organization • Online Systems organized into following main blocks • Controls • Vacuum, motion, power supply, etc • Science Data-Acquisition • Detector readout • Data-Management/Processing • Online data movement, processing, feature extraction, filtering • Offline

  6. Example: AMO Instrument Controls & DAQ • Main Systems • Cameras • Motion • Vacuum • Power Supplies • Detector Data-Acquisition

  7. Main Controls Sub-Systems • Viewing/Cameras • Vacuum • Motion • Bias Supplies • Gas • Laser • Accelerator Interface Systems • Timing • 120 Hz beam data • Machine protection system • Personal protection system • Infrastructure (Racks, Cabling, Networking) • Software Applications

  8. Viewing/Camera System Block Diagram • 8 cameras • PULNiX 6710CL (648x484, 9um x 9um) • Up to 120 Hz • Triggered by timing signal from timing system event receiver PMC card • Centroid finding software running on VME IOC EDT DV CameraLink PMC card PULNiX 6710CL camera

  9. Vacuum System Block Diagram • 2 Turbo-scroll pumps • 5 Ion pumps • 9 Cold cathode gauges • 10 Pirani gauges • Gamma ion pump controller

  10. Motion System Block Diagram • 67 Stepper motors Hytec SMDS4-B driver Newport XCS controller

  11. Spectrometer Data Acquisition • Up to 8 GHz waveform sampling, 1 usec record or 1-GHz, 500-usec window • At 120 Hz -> 100 Mbytes/sec • High performance to move or process data • Waveform is time-stamped via EVR • Respective beam-quality data is attached to each waveform • Agilent Acqiris 8-GHz, 10-Bit DC282 cPCI Digitizer Module

  12. 2D Pixel Detector Data Acquisition • 312 Mbytes/sec raw pixel data at 120 Hz • 1 day: 27 Tbytes • Data is moved from detector-specific front-end board to XES DAQ box via 4 x 2.5 Gbit/sec fibers • XES DAQ box contains custom SLAC CE-board • Virtex-4 FPGA • 2 PowerPC processors • RLDRAM • 12 Gbytes/sec cpu-data memory interface • 10-G Ethernet science data interface • 1-G Ethernet control interface • EVG timing fiber interface • 120-Hz beam-data interface • Realtime correction of raw pixel data

  13. Machine Interface • PPS • Standard Allan-Bradley and Pilz PLC’s, implemented by machine PPS group • MPS • Standard LCLS MPS pizza-box, inputs from valves, shutter • 120 Hz Beam-Quality Data • Dedicated ethernet or reflective memory • Timing System • EVR PMC card receiving fiber from LCLS EVG master module

  14. Applications/Software/Archive • RTEMS Operating System Tasks • Already ported to VME IOC (MVME6100) • Porting to cPCI IOC in progress • EPICS Device Support • Camera • Motion • Vacuum • Hall Sensor • Temperature • VME • ISEG High-Voltage module • cPCI • cPCI Acqiris waveform sampling module • Xantrex low-voltage supply (25V, 30A) • EPICS Databases and EDM Screens

  15. Applications/Software/Archive (con’t) • Archive • Use standard EPICS archiver for slow controls • DAQ archive requirements mostly complete • Collaboration with LSST to decide on underlying tools • Xrootd, MySQL, Berkeley DB etc. • Preliminary design started. • High Level Applications • Camera centroid finding • Channel archiver • Archiver viewer • Alarm handler • Snapshot/compare/restore • Integrated user interface for experiment • Spectrometer waveform processing

  16. Racks • Standard LCLS double-racks • Air-cooling • Plan to have all electronics in hutch • Exceptions are PPS & user-interface racks in control room area

  17. XES Hutch Controls & DAQ Architecture X-Ray Transport (Photon Beam) XES Hutch Controls IOCs & Controllers XES private subnet EELOG 2 DAQ Channels VME SBC SBC DAQ XesCon RTEMS cPCI SBC SLAC WAN (Ethernet) PC TOF Spectrometer Linux OS 1 Gb Enet cPCI ADC RTEMS 1 Gb E 1 Gb Enet Data Monitor 1 Gb E XES Data Cache PC Linux OS 1 Gb E 1 Gb E SCCS 120Hz Beam Data Beam Line Processor 2D Pixel Detector CE Module DAQ PPC RTEMS VME SBC RTEMS Front End Board 2.5 Gb Fiber 1 Gb E Timing EVG (Fiber) 10 Gb Enet Timing Strobe/Trigger EVR VME 1 Gb E Beam Line Data PMC 1 Gb Enet 120Hz Data Exchange 1 Gb E T-fiber Channel Access (Ethernet) Channel Access Gateway Experiment IOCs Experiment Chamber

  18. Organization • XES Controls & DAQ Systems Manager: G. Haller • Schedule/Budget: Bob Sass • Online Manager: Amedeo Perazzo (REG) • Controls Manager: David Nelson (REG) • Controls Software Lead: Sheng Peng • Racks/Cabling/AC: Ray Rodriquez (REG) • DAQ Manager: Chris O’Grady (REG) • Data Management: Steffen Luitz (SCCS) • Tasks are allocated to control division engineers where appropriate • PPS, MPS, EPICS

  19. Schedule - Milestones • Preliminary Design Review Aug 08, 07 • Final Design Review Dec 01, 08 • Start Production Hardware Purchases Dec 01, 07 • Software Final Design Start Nov 01, 07 • Start Installation in NEH (L3 PO) Apr 16, 08 • First X-Ray into NEH (L3 PO) Sep 02, 08 • Start Installation in FEH (L3 PO) Aug 20, 08 (Gantt charts in review support documentation) L3 PO: Level 3 Milestone, Project Office

  20. Photon Systems Controls Budget (Before Contingency) TEC: Total Estimated Cost OPC: Other Project Cost TPC: Total Project Cost

  21. Summary • Described XES Controls & DAQ Architecture • Selected Specific Controller Candidates for most Areas • Moving and Processing Science Data is Key Data-Acquisition task • AMO data acquisition via 10-bit 8-GHz cPCI waveform sampling modules • 2D-Pixel detector acquisition via SLAC XES DAQ Module • Presented Budget and Schedule • No Technical Risk Items • Controls and DAQ will be in place when required

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