1. 1 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 CMS HCAL Slow Control System for the CMS Hadron calorimeter S.Sergueev, FNAL/JINR CMS HCAL

2. 2 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 CMS HCAL overview

3. 3 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 CMS HCAL overview

4. 4 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 HCAL Monitoring HV power supply monitoringHV power supply monitoring LV power supplies monitoringLV power supplies monitoring LV on-board monitoringLV on-board monitoring Source calibrationSource calibration LED calibrationLED calibration Laser calibrationLaser calibration HV Laser LV1 Source motor drivers

5. 5 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 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. 6 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Tree browser

7. 7 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Software structure Recommended software architecture

8. 8 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Data exchange format HV system structure (I) HV power supply crate Bias voltage board HV board Micro- controller RS485, Input line + Output line CommandLengthCks ResponseLengthCks Data To crate From crate FPGAs

9. 9 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 HV system structure (II) Serial link Custom Software DIM server PVSS II DIM client DIM name server Frame work To central DCSData publishing Host PC 18 Wedges 6 systems, 18 crates, 1080 channels RS485

10. 10 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 HV system structure (III) HV power supply software Polling Config. setup Aliases setup Communication Custom software DIM client SCL script configuration file (.scl) Config. SCL setup Proces- sing Standard panels HCAL panels Framework SCADA RS485 ready almost ready or transparent template exists absent DIM server DPTs

11. 11 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 HV Custom software

12. 12 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Framework for HV Control To control HV system the Framework will be used

13. 13 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Low Voltage control system(I) mains On/off I,U MU On/off I,U DC/DC 300V 4.5V Regulators RBX MU chipset MU OPCSCADA Hosts, PC, NT Ethernet t°t°t°t° 6.5V RS485 t°t° I,U On/off Counting room Endcap disk, Barrel wheel On-board (on-chamber) electronics 3V 5V Counting room

14. 14 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Low Voltage control system(II)

15. 15 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Configuration of RS485 Full-duplex RS-485 Single-Master Four Wire Mulpoint (Multidrop) Configuration

16. 16 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Low Voltage control system(III) Possible communication line architectures Host PC 200 m

17. 17 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 MU and Repeater Monitoring UnitRepeater (Router)

18. 18 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Radioactive source calibration DAQ (VME) Motor driver RS485 Air Source host Optic fiber FE DAQ PC Calibration DB Custom SW TTL Source Calibration SW DIM? LVDS? Central DCS DIM or SCADA Windows Linux

19. 19 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 Laser calibration DAQ (VME) Optic fibers FE DAQ PC Calibration DB Calibration SW Central DCS DIM or SCADA Linux SCADA LHC clock UV laser TTC_Vi VME module To HCAL wedges

20. 20 H C A L S.Sergueev, NEC2001, Varna, 12-18 September 2001 LED calibration DAQ (VME) RS485 RBXs host Optic fiber FE DAQ PC Calibration DB Custom SW Calibration SW DIM? Central DCS DIM or SCADA Windows Linux HPD LED driver HCAL RBX MU TTC_Rx LHC clock