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CMS HCAL

CMS HCAL. CMS HCAL. Slow Control System for the CMS Hadron calorimeter S.Sergueev, FNAL/JINR. CMS HCAL overview. CMS HCAL overview. HCAL Monitoring. HV power supply monitoring LV power supplies monitoring LV on-board monitoring Source calibration LED calibration Laser calibration.

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CMS HCAL

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  1. CMS HCAL CMS HCAL Slow Control System for the CMS Hadron calorimeter S.Sergueev, FNAL/JINR

  2. CMS HCAL overview

  3. CMS HCAL overview

  4. HCAL Monitoring • HV power supply monitoring • LV power supplies monitoring • LV on-board monitoring • Source calibration • LED calibration • Laser calibration LV1 Laser HV Source motor drivers HV

  5. HCAL tree • At the present moment this tree contains about 45 000 items and manual editing or navigation in this tree is almost impossible • Tree browser Vtree.exe and the HCAL tree could be downloaded from • http://sergueev.home.cern.ch/sergueev/hcal/tree/index.htm

  6. Tree browser

  7. Software structure Recommended software architecture

  8. Data Data HV system structure (I) • HV power supply crate RS485, Input line + Output line FPGAs Micro-controller HV board Bias voltage board • Data exchange format To crate Command Length Cks From crate Response Length Cks

  9. HV system structure (II) Data publishing To central DCS RS485 PVSS II Custom Software Serial link DIM server DIM client Frame work 18 Wedges DIM name server 6 systems, 18 crates, 1080 channels Host PC

  10. HV system structure (III) • HV power supply software Customsoftware Standard panels Framework DIM server Polling DIM client Proces- sing RS485 Communication HCAL panels Config. Aliases SCL script Config. setup SCADA DPTs setup setup setup SCL ready configuration file (.scl) almost ready or transparent templateexists absent

  11. HV Custom software

  12. Framework for HV Control • To control HV system the Framework will be used

  13. t° t° t° Low Voltage control system(I) Endcap disk, Barrel wheel On-board (on-chamber) electronics Counting room DC/DC Regulators 4.5V 3V 300V mains 5V I,U 6.5V RBX MU chipset I,U I,U On/off On/off On/off MU MU Ethernet SCADA OPC RS485 Counting room Hosts, PC, NT

  14. Low Voltage control system(II)

  15. Configuration of RS485  Full-duplex RS-485 Single-Master Four Wire Mulpoint (Multidrop) Configuration

  16. Low Voltage control system(III) Possible communication line architectures Host PC Host PC 200 m

  17. MU and Repeater Monitoring Unit Repeater (Router)

  18. Radioactive source calibration Source Source host Central DCS Motor driver Custom SW DIM or SCADA TTL Windows DIM? FE RS485 Air Linux Calibration SW DAQ (VME) Optic fiber Calibration DB DAQ PC LVDS?

  19. Laser calibration To HCAL wedges Central DCS DIM or SCADA SCADA UV laser FE Linux Calibration SW Optic fibers DAQ (VME) Calibration DB TTC_Vi VME module DAQ PC LHC clock

  20. LED calibration HCAL RBX RBXs host Central DCS LHC clock RS485 Custom SW DIM or SCADA HPD MU TTC_Rx LED driver Windows DIM? FE Linux Calibration SW DAQ (VME) Optic fiber Calibration DB DAQ PC

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