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Control and Monitoring Summary of DAQ WS III

Control and Monitoring Summary of DAQ WS III. Jean-Sebastien Graulich, Geneva. General Architecture RF System C&M D0 EPICS extensions for MICE Tracker and PID Detectors C&M Safety Outlook. Preliminary remark. We have also discussed Data Storage (M. Ellis)

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Control and Monitoring Summary of DAQ WS III

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  1. Control and MonitoringSummary of DAQ WS III Jean-Sebastien Graulich, Geneva • General Architecture • RF System C&M • D0 EPICS extensions for MICE • Tracker and PID Detectors C&M • Safety • Outlook Jean-Sébastien Graulich

  2. Preliminary remark • We have also discussed • Data Storage (M. Ellis) • Preparation for Data Taking (P. Kyberd) But I will focus on C&M issues Jean-Sébastien Graulich

  3. Control and Monitoring • Peter Owens presented General Architecture, Subsystem Integration and User Interface • Subsystem integration: Recommendations • Use File System convention • Use standard hardware (Hytec 9010 IOC) • Use Simulation • Name Convention Jean-Sébastien Graulich

  4. Agreed DDDD-TT-CCCCC-NN:SSS:RRRRRR Max 3 char Max 5 char Max 3 digits Max 10 char

  5. Actions: • Prepare the list of Technical Area codes (Equipment codes are under the responsibility of the subsystem developer). Names should be approved by Peter Owens • Set up a DAQ web site to centralize the information web master: Vassil Verguilov Jean-Sébastien Graulich

  6. RF Control System • Andy Moss introduced the Direct Digital Synthesizers as very flexible way to produce RF • Can be programmed via serial ports • Exists in 4 channel version: Allows independent control of 4 RF channels synchronised to the same clock, with excellent isolation between channels • Can be interfaced with Epics • Digital timing system with 5 outputs • Can EPICS provide the timing signal? ->Triggered Discussion on • RF phase measurement • RF amplitude measurement Jean-Sébastien Graulich

  7. Basic Layout of LLRF system

  8. RF • Decision • RF phase: A logic pulse with precise constant phase w.r.t the RF should be sent to the TOF TDC We’ll use the locking signal and not zero crossing of the probed RF field A signal should be sent to the DDAQ when the cavities are locked • Action • Investigate the possibility of using ~GHz waveform digitizer (oscilloscope) to measure the RF amplitude • Contact MTA people for tests Jean-Sébastien Graulich

  9. Fritz Bartlett presented D0 EPICS Extensions for MICE • Significant Event System Replaces the standard Alarm handler Fritz is willing to make SES “D0 independent” • COMICS (Experiment Configuration System) • GUI • The possibility to use SES will be seriously considered • The need for an Experiment Configuration System is recognized Jean-Sébastien Graulich

  10. Subnets • Fritz strongly recommended to set up a subnet for the C&M (IOC are not protected) • A separate subnet is also needed for DDAQ Jean-Sébastien Graulich

  11. Tracker C&M • Alan Bross has shown that the basic infrastructure for the MICE tracker C&M can be copied from D0 • GUI • Python Code • EPICS implementation • To do • Customization to MICE (considerable weight loss) • Develop a stand-alone VLPC cryostat C&M application Jean-Sébastien Graulich

  12. PID C&M • Essentially HV power supply (~350 channels) • Naming convention For High Voltage Power Supply For High Voltage Set Point Channel Example: MICE-DDD-HVPS-##:###:HVSP TOF Station 01, 02, 03 EMC Part # (01 for KL, 02 for SW) CKV Part # (01 or 02) Jean-Sébastien Graulich

  13. USC DSC EMCAL • The Ideal GUI TOF2 TOF0 TOF1 Tracker 2 Tracker 1 • Each Detector has a color:Green= FULL_READY Yellow= OUT_OF_RANGE_L2 Red= OUT_OF_RANGE_L3 or TRIPPED or NOT_READY White= INACTIVE • Each Detector is clickable, a panel pops up with the status of each individual channel • The same panel can be used to edit the settings, providing a password Jean-Sébastien Graulich

  14. Database • Discussion initiated • Some Database is needed • Detector Configuration • Calibration and Geometry • DATE is using MySQL • C&M archive should allow random access • Action • ORACLE cost estimation – Paul Kyberd • Find other options – All Jean-Sébastien Graulich

  15. Safety • John Alexander reported on Personal Protection System (PPS) at Daresbury and RAL Jean-Sébastien Graulich

  16. Jean-Sébastien Graulich

  17. MICE PPS • Search Areas • MICE Decay Solenoid Area • MICE Hall • Controlled equipments • ISIS Synchrotron Beam (to enable: Decay Solenoid Area vacated) • via ISIS PPS (hooks already included) • MICE RF System (to enable: MICE Hall vacated) • switch off RF drive to IOTs • switch off HT to IOTs • Superconducting Magnets – sequence to enable 1) MICE Hall searched (but ‘Limited Access’ permitted) 2) Hall inspection for loose magnetic material – not PS function 3) Insert and turn ‘Magnet Enable’ keyDropping search does not disable magnet PSU, – turn off key does • Not comprehensive list yet Jean-Sébastien Graulich

  18. Decay Solenoid Area 4 3 1 MICE Hall 2 (shielding: schematical representation only) Jean-Sébastien Graulich

  19. Outlook • Preliminaries are complete • Agreement on General Architecture • Naming Convention (and colour code) • Information Distribution (Web site) • The group includes individuals with high level of expertise ? Available for MICE • Connection with subsystems is too loose • My personal feeling is that we need someone who would take that in charge Jean-Sébastien Graulich

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