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Photon Systems Controls and Data Acquisition for LCLS and LUSI

This document outlines the responsibilities and control systems for the AMO instrument, NEH infrastructure, and networking in the Photon Systems Controls and Data Acquisition group.

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Photon Systems Controls and Data Acquisition for LCLS and LUSI

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  1. Photon Systems Controlsand Data-AcquisitionGunther HallerParticle Physics and Astrophysics DivisionPhoton Control and Data Systems (PCDS) Group14 May 2008 v5

  2. Outline • LCLS versus LUSI Responsibilities • PPS/HPS • XTOD • AMO Instrument Control and Data Acquisition • NEH Infrastructure & Networking • Femto-Second Laser Timing System • 2D-Detector Control and Readout

  3. FEE and NEH/FEH Hutch Assignments ** ** Front-End Enclosure with FEE-XTOD ** AMO: LCLS PP, XPCS, CXI: LUSI ** SXR Imaging, SXR Pump-Probe, HEDS are not funded at this time

  4. LCLS & LUSI • Common photon-area 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 1.6.2 • AMO experiment (NEH, hutch 2) • All controls and DAQ • Common services for all hutches • Examples • PPS/HPS/LSS • 120 Hz beam-quality data interface • Machine protection system interface • Network interface • Local science data online processing & cache • 2-D detector • Control and DAQ for detector • LUSI Control & DAQ W.B.S • XPP, XCS, CXI Instruments • Examples of documents released • 1.1.523 XES-LUSI ICD (includes Controls and Data systems) • 1.1-516 XES Photon Controls to Electron Beam Controls System ICD • 1.1.517 XES Photon Controls to Electron Beam Controls MPS ICD

  5. PPS and HPS • Personnel Protection System for FEE and NEH/XRT/FEH plus Hutch Protection System • HPS based on SSRL model ,with some modifications • Preliminary Design Review held 2-29-08 • Final Design Review to be held July 08 • Racks for NEH and FEH received • PLC hardware for FEE & NEH received FEE PPS

  6. XR Diagnostics in Front End Enclosure

  7. XTOD Controls • Final Design Review (FDR) of all controls except vacuum held Feb 14, 08 • FDR of complete XTOD vacuum systems held March 13, 08 • Review presentations • http://confluence.slac.stanford.edu/display/PCDS/XTOD • Most instrumentation for Fall 08 delivery to SLAC are installed in racks at LLNL and are in testing • Services will be available at SLAC to support commissioning (see later)

  8. AMO Instrument Control • Requirements listed in Engineering Specification Documents (ESD’s) • 1.6-108 AMO Controls ESD, status: released • 1.6-109 AMO DAQ ESD, status: released • Interfaces specified in Interface Control Document (ICD) • 1.1-515 XES AMO Controls ICD, status: released • Held Preliminary Design Review last Month • http://confluence.slac.stanford.edu/display/PCDS/AMO-PDR • Includes details what controller are used and interconnections • Including identification of each component to be controlled and data to be acquired • ~10 cameras • ~50 stepper motors, almost all smart motors (serial port) • ~ 50 channels of high-voltage bias supplies • ~ 8 sets of vacuum gauges, 2 valves • misc other controllers, mostly serial devices • All controllers identified, example motion and vacuum next slides

  9. AMO Instrument Motion Control • Beam stops (A1) • Beam Viewing (B1-B4) • Gas Jets (C1, C2) • HFP Focus Verification(D1- D4) • Equipment Stand (E1-E3) • Detectors (F1-F12) • Focusing Optics (H1, H2) • Shutter (J1, J2) • Total Energy (K1) • STPR, Stepper motor • ROTR, Rotational • SHUT, Shutter Control • PHUNU, Pneumatic E-STPR1 J-STPR2 H-ROTR2 H-STPR1 J-SHUT1 E-STPR2 E-STPR3 F-STPR7 F-STPR12 B-STPR3 B-PHNU4 C-STPR2 D-ROTR1 D-SPTR2 F-STPR1-5 F-STPR11 B-PHNU1 P K-STPR1 C-STPR1 D-STPR3 A-PNEU1 D-STPR4

  10. AMO Instrument Vacuum Control(1) • Ion Pump: IONn • Turbo/Scroll: PMPn • Titanium Sublimation Pump: TSPn • Cold Cathod Gage: CCGn • Thermo-Parini Gage:TPGn • Hot Filament Gage: HFGn • Foreline Valve: FVVn • Gate Valve: GVVn • Residual Gas Analyzer: RGAn CCG1 CCG2 GVV2 GVV1 ION1 ION2 TSP1 CCG8 CCG6 CCG7 CCG4 GVV5 CCG3 GVV6 FVV5 RGA2 GVV3 FVV4 RGA1 PMP1 PMP4 FVV8 GVV4 PMP5 GVV7 FVV1 TPG1 CCG5 P TPG5,6 PMP6 PMP3 PMP2 FVV6,7 TPG7 FVV9,10 TPG4 TPG2-3 FVV2-3

  11. AMO Instrument Vacuum Control(2)

  12. AMO Rack Profile (3 racks)

  13. NEH Hutch-2 Layout AMO Cable-Trays Racks

  14. Lab Test Setups • Have racks with many controllers in the lab • Incrementally add controllers and software

  15. Infrastructure & EPICS Drivers • Server Room (basement level of NEH) racks in hand, to be installed in NEH in July • Used for networking, servers, on-line processing and science data storage • Additional cable-trays will be installed in June • Fibers from Computer Center (SCCS) and MCC to NEH Server room in hand, to be installed in June • First client will be XTOD in FEE • Hutch-2 AMO racks ordered, will arrive end of May, will be built up in lab over next few months • EPICS drivers • Only ~8 EPICS drivers remain to be written & tested • Instrumentation for AMO chambers can be connected as early as 12-08 (for instrument build-up and check-out)

  16. AMO DAQ Instruments • Diagnostic Section • magnetic bottle electron time-of-flight spectrometer • x-ray emission spectrometers • pulse energy monitor • beam profile screens • High Field Physics End-Station • electron time-of-flight spectrometers • ion spectrometers • time-of-flight, imaging, momentum • x-ray emission spectrometers

  17. Example: Digitizer • Acqiris DC282 high-speed 10-bit cPCI Digitizer • 4 channels • 2-8 GS/s sampling rate • Acquisition memory from 1024 kpoints to 1024 Mpoints • Low dead time (350 ns) sequential recording with time stamps • 6U PXI/CompactPCI standard, 64 bit, 66 MHz PCI • Ported RTEMS to cPCI CPU and wrote/tested Acqiris driver • Sustained transfer rate up to 400MB/s to host SBC

  18. Data System Architecture AMO specific Photon Control Data Systems (PCDS)‏ Beam Line Data L1: Acquisition Digitizers + Cameras L2: Processing Timing L0: Control L3: Data Cache • DAQ system primary features • Trigger and readout • Process and veto • Monitoring • Storage

  19. Network Security Enclave PCDS (Photon Control and Data Systems) • PCDS Network Security Plan approved by SLAC network security, in process of getting DOE approval

  20. Femto-Second Laser Timing John Byrd, et al, LBL

  21. Stabilized Fiber Link • Prototype test at SLAC with LBL system • Installed 1 Km fiber in tunnel from sector 20 laser room to sector 30/MCC • Also installed fiber in Klystron gallery from sector 20 laser room to MCC

  22. First Timing Tests Jan 08 Some modification where implemented since January some of which happened to also improve operation with gallery fibers (tbd) More test planned in June, including the complete control system

  23. LCLS 2D-Detector Instrumentation and DAQ • Pixel-Detector & ASIC by Cornell • Note that additional pixel devices, e.g. BNL detector is taken care of by LUSI control and data systems • SLAC Control & DAQ • Test Setup Chain, see below

  24. 2D-Detector Control and DAQ Chain Ground-isolation Vacuum Fiber ATCA crate with SLAC DAQ Boards Cornell detector/ASIC SLAC FPGA front-end board

  25. Cornell ASIC Boards • Each detector has ~36,000 pixels • Controlled and read out using custom ASIC • ~36,000 front-end amplifier circuits and analog-to-digital converters • Readout is 200Mbit/sec from each ASIC, 74 kbytes times 120 Hz.~ 9Mbytes/sec • Initially 16 x 32,000-pixel devices, then up to 64 x 32,000-pixel devices • 4.6 Gbit/sec average with > 10 Gbit/sec peak • To be processed real-time

  26. SLAC PPA Reconfigurable Cluster Element (RCE) Boards • SLAC Particle and Astrophysics Research engineering group experienced in building high-rate, high-volume data and control systems with on-line science data processing • Reconfigurable Cluster Element module with 2 each of following • Virtex-4 FPGA • 2 PowerPC processors IP cores • 512 Mbyte RLDRAM • 8 Gbytes/sec cpu-data memory interface • 10-G Ethernet event data interface • 1-G Ethernet control interface • RTEMS operating system • up to 512 Gbyte of FLASH memory • 1 TByte/board Rear Transition Module Reconfigurable Cluster Element Module

  27. Calibration & Distribution (using SLAC DAQ)

  28. Gain (using SLAC DAQ)

  29. Noise (using SLAC DAQ)

  30. 2D-Detector Mechanical/Electrical Vacuum AssemblyConceptual Design (SLAC PPA Engineering) • Positioning plate • Supports quadrant raft • Mounts to drive system Cam follower mounted to torque ring Hole size remotely adjustable Via PCDS Controls One Quadrant Raft Removed Pixel Detectors Cut-outs in base plate for cold straps and cables Cold strap

  31. Quadrant Board and Electrical Interfaces • Quadrant raft provides structural support and stability for the double-detector packages • Feet mount on quadrant raft through holes in the quadrant boards • This is also the thermal path • Quadrant boards provide grounding, power, and signal interface to the PAD detector package • 1 flex cable per detector • 1 FPGA on each quadrant board Cold strap Quadrant raft Mounting feet Double-detector package (4 per quadrant) Detector Quadrant board 2 Quadrant board 1

  32. Summary • XTOD • Instrumentation to be delivered in Fall well under way, installed in racks, in testing • AMO Instrument Controls and Data Acquisition • Requirements and interface control documents released • Preliminary design complete • Test setups and software in progress • Infrastructure for NEH Server Room and Hutch 2 in progress, will be in place before August 08 • Includes networking • Femto-second timing system tested at SLAC with 2 km (round-trip) of fiber in tunnel and in gallery • Already meets performance specification (< 100 fS) • More test planned for July 08 • 2D Pixel Detector control and data acquisition well advanced • Already controlling and acquiring data from pixel detector prototype and custom ASIC with SLAC LCSL DAQ prototype system • No technical risks, well within expertise of Photon Control and Data Systems Group (Engineers from SLAC Particle and Astro Physics Instrumentation and Control group) • On schedule, on budget

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