C&M Systems Developed by Local MICE Community J. Leaver 03/06/2009

17/06/2015Imperial College 2 Community C&M Systems Overview

17/06/2015Imperial College 3 Target: Controller In MICE, pions produced by inserting titanium target into halo of ISIS proton beam Target driven into/out of beam by linear motor, consisting of –Shuttle: Moving magnet assembly attached to shaft (carries target) –Stator: Series of solenoid coils Responsible for SystemResponsible for EPICS C&MDue Paul Smith (UOS); James Leaver (IC)James Leaver (IC)July 2009; Dec 2009 Stator Coils Water Cooling Shaft Magnets

17/06/2015Imperial College 4 Target: Controller Responsible for SystemResponsible for EPICS C&MDue Paul Smith (UOS); James Leaver (IC)James Leaver (IC)July 2009; Dec 2009 Target Controller electronics actuates target by modulating Stator coil currents –Required motion profiles achieved with position monitoring + feedback algorithm In terms of ‘user-level’ controls, need to –Enable actuation –Specify target dip depth (relative to beamline) –Specify timing delays for synchronisation with ISIS

17/06/2015Imperial College 5 Target: Controller Target Controller system in place, but only has ‘push button’ interface Currently undergoing complete redesign to increase functionality and enable PC control Based on USBDAQ –Contains 1M gate FPGA –USB interface for PC communication Will be integrated with EPICS using portable CA server framework Responsible for SystemResponsible for EPICS C&MDue Paul Smith (UOS); James Leaver (IC)James Leaver (IC)July 2009; Dec 2009

17/06/2015Imperial College 6 Target: Controller Responsible for SystemResponsible for EPICS C&MDue Paul Smith (UOS); James Leaver (IC)James Leaver (IC)July 2009; Dec 2009 In hardware/firmware design stage – EPICS development not yet commenced Stage 1 upgrade will be complete end of July 2009 –Interfaces USBDAQ with existing analogue electronics –EPICS C&M system recreating current ‘push button’ controls Stage 2 upgrade to be completed end of December 2009 –Redesign of analogue electronics –Enable fine control of subsystems

17/06/2015Imperial College 7 Target: Beam Loss While actuating, necessary to record beam loss reported by ISIS –Monitor effect of MICE operations on ISIS –Ultimately a measure of particle production vs. Target dip depth Target depth reported by control electronics Beam loss signals provided by ionisation chambers distributed around ISIS synchrotron Read using National Instruments PCI6254 DAQ card –To be replaced by custom DAQ board (early 2010) Responsible for SystemResponsible for EPICS C&MDue Paul Smith; Paul Hodgeson (UOS); James Leaver (IC)Pierrick Hanlet (IIT)Now; Sep 2009

17/06/2015Imperial College 8 Target: Beam Loss Beam loss is an important physics parameter –Needs to be read directly via DATE, for correct synchronisation and inclusion in DAQ data stream However, require capacity to run Target when DATE is inactive (during test & development phases) –Additional ‘standalone’ Target DAQ software exists EPICS-based monitoring system should operate with either DATE or standalone DAQ Responsible for SystemResponsible for EPICS C&MDue Paul Smith; Paul Hodgeson (UOS); James Leaver (IC)Pierrick Hanlet (IIT)Now; Sep 2009

17/06/2015Imperial College 9 Target: Beam Loss Beam loss IOC reads local data archive written by both DAQ systems Clients provide virtual scope display, history plots & analysis System functionally complete, but requires final selection of algorithm for calculating ‘absolute’ beam loss Responsible for SystemResponsible for EPICS C&MDue Paul Smith; Paul Hodgeson (UOS); James Leaver (IC)Pierrick Hanlet (IIT)Now; Sep 2009 DAQ

17/06/2015Imperial College 10 FNAL Beam Profile Monitors Scintillating fibre Beam Profile Monitors developed at Fermilab Low mass, high resolution Fibres read out via PMTs, using custom electronics Also monitor temperature of PMT interface boards (check for cooling system failure) Hardware accessed via CAMAC bus Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC)Now 2 layers of 64 x scintillating fibres To PMT

17/06/2015Imperial College 11 FNAL Beam Profile Monitors C&M system developed using MICE portable CA wrapper framework 2 server applications –Control Server (performs hardware access) Start/stop readout thread (external trigger enable) Set pedestal levels Writes acquired values to Data Server –Data Server Contains most recent fibre data & temperature monitoring values Reduces impact of client monitoring load on hardware readout Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC)Now

17/06/2015Imperial College 12 FNAL Beam Profile Monitors Server/client applications complete Well tested, used for monitor calibration procedures Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC)Now

17/06/2015Imperial College 13 Cherenkov System MICE has 2 threshold Cherenkov counters upstream of Cooling Channel –Improve muon/pion separation –Perform clean selection of electrons 2 vessels with aerogel radiator of different refractive indices –Read out by 8 PMTs with TYVEK reflectors Responsible for SystemResponsible for EPICS C&MDue Lucien Cremaldi; David Sanders (OLEMISS)Pierrick Hanlet (IIT)Sep 2009

17/06/2015Imperial College 14 Cherenkov System C&M components –Temperature + humidity Sensor module read out via SNMP IOC will access sensors using existing devSNMP device support (LNAL) –PMT HV supplies CAEN HV modules C++ drivers available – use portable CA server P. Hanlet currently investigating requirements –Work on IOC implementation not yet commenced –Will develop system in September (after completing general infrastructure tasks – AH, CA) Responsible for SystemResponsible for EPICS C&MDue Lucien Cremaldi; David Sanders (OLEMISS)Pierrick Hanlet (IIT)Sep 2009

17/06/2015Imperial College 15 Tracker: Magnetic Field Probes Scintillating fibre Trackers enable measurement of muon beam emittance before/after MICE Cooling Channel Trackers require 4T uniform field, provided by Spectrometer Solenoid modules Necessary to monitor uniformity/stability of field NIKHEF Hall probes will be installed –In homogeneous region of Tracker volume (centre) –At edges of Tracker volume –Outside solenoids (backup check of field polarity) Responsible for SystemResponsible for EPICS C&MDue Frank Filthaut (RUN) Nov 2009

17/06/2015Imperial College 16 Tracker: Magnetic Field Probes Hall probes read out via CAN interface using Windows application –Existing ‘legacy’ software – reduced required development time Portable CA server reads parameters from Windows PC via network socket Monitor B-field (X, Y, Z components) + probe temperature Responsible for SystemResponsible for EPICS C&MDue Frank Filthaut (RUN) Nov 2009 Standalone Probe Interface (Widows PC) Hall Probes EPICS Server (Linux PC) CAN BusNetwork Socket

17/06/2015Imperial College 17 Tracker: Magnetic Field Probes C&M system functionally complete –Required additions: Error handling refinements & definition of alarm limits –To be finalised during installation at RAL Installation schedule depends on availability of Tracker hardware & F. Filthaut –Expect working system November 2009 No dedicated client will be written – sufficient to display parameters via Channel Archiver Data Server Responsible for SystemResponsible for EPICS C&MDue Frank Filthaut (RUN) Nov 2009

17/06/2015Imperial College 18 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 Each MICE Tracker contains 5 Stations Each Station consists of 3 doublet-layers of scintillating fibres (arranged at 120  rotation intervals) Scintillation light output from Stations via clear fibre light guides 12345

17/06/2015Imperial College 19 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 Light detected with Visible Light Photon Counters (VLPCs) –Low band gap silicon avalanche devices –Require 9.00  0.02 K operating temperature ~6.8K Individual VLPC heaters raise temp. to 9K & maintain stability with feedback loop VLPC output digitised using Analogue Front End with Timing (AFEIIt) boards –1 VLPC requires 2 AFEIIts (an AFEIIt ‘Cassette’) –1 Tracker requires 4 AFEIIt Cassettes VLPC Cryostat AFEIIt

17/06/2015Imperial College 20 Tracker: AFEIIts AFEIIts have 2 communication interfaces –Data Output stream of digitised fibre values Sent to VME LVDS SERDES Buffer (VLSB) cards Read out via DATE (not relevant for C&M) –Control MIL1553 serial bus (communication with PC via SBS VME controller) Configuration, run control & monitoring interface Accessed via EPICS Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 MIL1553VLSBs VME Controller

17/06/2015Imperial College 21 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 AFEIIt control requirements –VLPC signal digitisation parameters Preamp/opamp gain/drive current, delays, comparator references, etc. –VLPC bias settings –VLPC heater/feedback loop configuration –~230 parameters per board Monitoring requirements –VLPC temperatures (verify 9K operation) –VLPC heater values

17/06/2015Imperial College 22 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 C&M system developed using MICE portable CA wrapper framework (object orientated, multi-layered software architecture) AFEIItCasServer AFEIItEnsemble AFEIItCassette (L) AFEIItDevice (R) AFEIItCassette (L) AFEIItDevice (R)  N Process Variable Network Channel Access Client Configuration ControlMonitoring Application Channel Access Client Run Control Each PV corresponds to an AFEIIt C++ library access routine Process Variable

17/06/2015Imperial College 23 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009

17/06/2015Imperial College 24 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 Server (Normally use ‘headless’ daemon version) Run Control (To be implemented within DATE) Temperature/heater value monitoring Configuration (Top level – additional GUIs omitted for clarity) Message Logging

17/06/2015Imperial College 25 Tracker: AFEIIts Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Now; June 2009 Server/client applications complete Functionality verified using Tracker cosmic ray test stand –Successfully configure/monitor 8 AFEIIts required for single Tracker Integration with DATE to be finalised –Embed very simple client in DATE code –Essentially enable/disable triggers at start/end of DAQ run

17/06/2015Imperial College 26 Tracker: AFEIIt Infrastructure ‘Infrastructure’ corresponds to auxiliary hardware necessary for operation of AFEIIts –Power supplies, cryo systems - compressors, vacuum pumps, etc. –Currently not well-defined Many items (cryo safety hardware interlocks) integrated with DL Spectrometer Solenoid controls Tracker group needs to specify full list of requirements & negotiate additions to DL systems (where appropriate/possible) Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC)Aug 2009; TBD

17/06/2015Imperial College 27 Tracker: AFEIIt Infrastructure Known C&M requirements: AFEIIt power supplies –4 Wiener PSUs (1 per VLPC cryo) –CAN Bus or RS232 communication interface Intend to use RS232 – standard PC port, no additional interface hardware –No progress yet – expect manpower to be available for completion in August Additional systems to be discussed (with consideration of limited resources/manpower) Responsible for SystemResponsible for EPICS C&MDue Alan Bross (FNAL)James Leaver (IC)Aug 2009; TBD

17/06/2015Imperial College 28 Hydrogen Absorbers: Focus Coils Ionisation cooling achieved by passing muons through low Z absorber to reduce transverse & longitudinal momentum Reaccelerated to original longitudinal momentum via RF Cavities MICE (primarily) uses liquid hydrogen absorbers Each absorber mounted inside a pair of superconducting solenoids (Focus Coil Module) –Provides low beam beta region Responsible for SystemResponsible for EPICS C&MDue Wing Lau (OU)Pierrick Hanlet (IIT); TBDMay 2010; TBD

17/06/2015Imperial College 29 Hydrogen Absorbers: Focus Coils Focus Coils expected to require C&M systems very similar to Pion Decay Solenoid & Spectrometer Solenoids –See DL’s talk Would be most efficient for DL to take over project (wealth of relevant expertise) –Unfortunately prevented by MICE funding constraints –Task assigned to MOG Responsible for SystemResponsible for EPICS C&MDue Wing Lau (OU)Pierrick Hanlet (IIT); TBDMay 2010; TBD

17/06/2015Imperial College 30 Hydrogen Absorbers: Focus Coils If possible, will attempt to use DL’s existing magnet designs as template –DL C&M systems have vxWorks IOCs For MICE to develop vxWorks software, expensive (~£15.2K) license required Investigate replacement with RTEMS controllers (‘similar’ real- time OS, free to develop) –DL systems include custom in-house hardware Not available for general MICE usage – will check alternatives However, will consider possibility of entirely new design (perhaps with Linux PC-based IOCs) Responsible for SystemResponsible for EPICS C&MDue Wing Lau (OU)Pierrick Hanlet (IIT); TBDMay 2010; TBD

17/06/2015Imperial College 31 Hydrogen Absorbers: Focus Coils Work on Focus Coil C&M system has not yet commenced –Need to confirm availability of P. Hanlet –Assistance from FNAL Controls Group would be highly beneficial – need to discuss Expect to start project in September 2009 Responsible for SystemResponsible for EPICS C&MDue Wing Lau (OU)Pierrick Hanlet (IIT); TBDMay 2010; TBD

17/06/2015Imperial College 32 RF Cavities: Coupling Coils Each RF Cavity (used to reaccelerate muons) also surrounded by a superconducting solenoid (Coupling Coil) –Confines muon beam within RF Cavity beam windows Coupling Coil C&M situation identical to Focus Coils –Similar to other MICE magnets –MOG responsibility (need to confirm P. Hanlet’s availability) –Project should run in parallel with Focus Coil C&M system Responsible for SystemResponsible for EPICS C&MDue Derun Li; Steve Virostek (LBNL)Pierrick Hanlet (IIT); TBDSep 2010; TBD

17/06/2015Imperial College 33 DATE Status Need mechanism for reporting current DAQ state via EPICS Simple (‘dumb’) data server hosts DATE status PV Client application reads DATE status from DIIM server, forwards value to EPICS server Server & display client complete; DATE-side client to be implemented Responsible for SystemResponsible for EPICS C&MDue Jean-Sebastien Graulich (UNIGE)James Leaver (IC); Jean-Sebastien Graulich (UNIGE)Jun 2009 EPICS Data Server (Single ‘status’ PV) DATE Client

17/06/2015Imperial College 34 Network Status Need to verify that all machines on DAQ & control networks are functional throughout MICE operation Two types of machine –Generic PC (Linux, Windows) –‘Hard’ IOC (vxWorks, potentially RTEMS) EPICS Network Status server contains one status PV for each valid MICE IP address Responsible for SystemResponsible for EPICS C&MDate Due Anyone with a PC/IOC in the MLCR/HallJames Leaver (IC)Aug 2009

17/06/2015Imperial College 35 Network Status Read status: PC –SSH into PC Verifies network connectivity & PC identity –If successful, check list of currently running processes for required services Read status: ‘Hard’ IOC –Check that standard internal status PV is accessible, with valid contents e.g. ‘TIME’ PV, served by all MICE ‘hard’ IOCs Responsible for SystemResponsible for EPICS C&MDate Due Anyone with a PC/IOC in the MLCR/HallJames Leaver (IC)Aug 2009

17/06/2015Imperial College 36 Network Status Currently have working prototype –EPICS server connects to PCs via SSH, checks contents of ‘key’ ID file –Client displays status of all PCs, scans at user-specified period (with ‘check now’ override) Need to add service checking & ‘hard’ IOC support Responsible for SystemResponsible for EPICS C&MDate Due Anyone with a PC/IOC in the MLCR/HallJames Leaver (IC)Aug 2009

17/06/2015Imperial College 37 Unassigned Control Systems Following systems have no allocated C&M effort –Time of Flight System –Diffuser –Calorimeter: KL Calorimeter –Calorimeter: Electron Muon Ranger Currently investigating system requirements Need to find additional resources within the MICE community –MOG operating at full capacity & no funds for DL to undertake these projects –Expect those responsible for each system will be required to implement corresponding EPICS controls –Possibility of assistance from FNAL Controls Group (to be discussed)

17/06/2015Imperial College 38 Schedule

17/06/2015Imperial College 39 Schedule