2. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 1 NSRL Control System Presented by Li, Chuan National Synchrotron Radiation Laboratory

3. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 2 National Synchrotron Radiation Laboratory Hefei Light Source

4. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 3 Hefei Light Source (HLS): second generation dedicated synchrotron light source  200MeV electron linac  Beam transport line  800 MeV electron storage ring

5. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 4 Old control system Problems:  No connection between subsystems  Software function was simple  No database, only parameter backup in some subsystems  Hardware components were out of date and maintenance becomes more and more difficult

6. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 5 Phase II project of NSRL started in April 1999 formally. Design Philosophy for new control system  Adopting distributed architecture  Applying standard hardware interfaces: Sun workstation, Industrial PC, PLC  Cost-performance should be considered

7. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 6 New control system: based on EPICS  Operator Interface, OPI  LAN  Input/Output Controller, IOC OPI LANIOCI/OEquipment Fig. Basic hardware structure of control system based on EPICS

8. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 7 Upgrade process in Phase II Project  May 1999: set up a prototype system  June 2000: the first subsystem （ storage ring main magnet power supply control system ） was commissioning.  Oct. 2003: the last subsystem （ storage ring octupole magnet power supply control system ） was commissioning. Upgrade process after Phase II Project  upgrade EPICS base version to R3.13.10  Continually add or update subsystem: New transport line magnet power supply control system New wiggler main power supply control system Magnet temperature monitor system Ring Vacuum SIP monitor system ……

9. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 8 Hardware platform  1 Sun Ultra 1  3 Sun Ultra 10  1 Sun E250  18 PC （ Linux ， Windows ）  A large number of Industrial PC (IPC)  Others: such as PLC, single-chip microcomputer

10. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 9 Software environment:  OPI ： Solaris7/8; Red Hat7/9; WindowsXP/2003  IOC ： vxWorks 5.3.1  Local controller: vxWorks 5.3.1, Windows, etc.  EPICS base: 3.13.10  Program language: C, SNL, tcl/tk, PHP  EPICS tools: dct, MEDM, sddstoolkit  Database: Oracle 8i, SQL server

11. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 10 Hardware in HLS Control System

12. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 11 Topological structure of the dedicated control LAN

13. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 12

14. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 13 8 subsystems:  Power supply:  Ring main magnet PS; Ring corrector magnet PS; Ring octupole magnet PS; Skew quadrupole mag. PS  Transport line magnet PS; Linac magnet PS  Klystron focusing coil PS  Injection system pulse PS; Linac modulator pulse PS  Wiggler main PS; Wiggler compensation PS  RF  Vacuum  BPM,PBPM  Interlock  Flag  Temperature  Linac Temperature; RF Cavity Temperature  Magnet Temperature; Water Temperature; Environment Temperature  SoftChannel

15. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 14 subsystemIOCLocal controllerOPI IPC PLCOthersSUNPC (Linux) PC (Windows) Ring main mag. PS312 54 14 Ring corr. Mag.PS18 Ring vacuum4 54 Ring Flag 1 Injection system 3 RF2121 Temperature system3 6 RFKO1 2 Ring octupole mag. PS1 Transport line mag. PS420 Switch mag. PS1 1 Kly. focusing coil PS16 Analysis Mag. PS 1 Linac vacuum2 32 Linac mag. PS18 Flag1 2 interlock 2 Linac Modu. pulse PS 6 sum2556161085414 251802323

16. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 15 23 OPI  5 Sun Ultra (Solaris7/8)  4 PC (Linux7.0/9.0)  14 PC (WindowsXP/Windows2003 Server) 25 IOC  IPC (with flash disk diskonchip 2000) 180 Local controller  56 IPC (with flash disk diskonchip 2000)  16 PLC  Others, 108 100M dedicated LAN, 5 switches

17. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 16 Current regulating PS control  Current regulating PS:199  Ring main mag. PS (12) ; Ring corrector mag. PS (32); Ring octupole mag. PS (1); Skew quadrupole mag. PS(2)  Transport line mag. PS (80); Linac mag. PS (30)  Klystron focusing coil PS(42)  IOC:  IPC with diskonchip 2000  8 port serial board (MOXA,C168P)  Local controller:  IPC with diskonchip 2000;  12/16b ADC/DAC board, Relay/DI board; optical isolation  Communication:  RS232 over fiber; RS422 with optical isolation  point to point

18. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 17 BPM: done by beam measurement group  VXI  LabView + ActiveX  48 bpm Channels  6 pbpm in use

19. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 18 The count of local controllers based on IPC↑(Increase) → The reliability of whole control system ↓(Decrease) Failure Reason: –CPU fan –Memory bank –The communication protocol between IOC and local controller is too simple to deal with all kinds of errors because it is designed by ourselves.

20. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 19 A new kind of PS local controllers based on Agilent34970A Data Acquisition/Switch Unit Agilent34970A RS232/GPIB To IOC AD IPC Bus DADIDO Addressing Communication

21. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 20 Advantage: –Higher reliability SCPI Communication Protocol No CPU Board on IPC BUS –Higher measurement precision 16 bit AD → 22 bit AD –No need program for local controllers

22. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 21

23. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 22 Software in HLS Control System

24. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 23 Software development for IOC  Record: ～ 3000  Record type: Ai, Ao, Bi, Bo, Mbbi, Mbbo, MbbiDirect, MbboDirect, Subroutine, subOut and maio. subOut and maio are new record types we development.  device support/device driver development  Create db using DCT  SNL （ State Notation Language ） and sequencer

25. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 24 Record statistics

26. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 25 Software of OPI  MEDM : edit and manage most of man-machine interface  Tcl/Tk + SDDS toolkit: complicated control, such as ramping control  Matlab: matrix calculation,such as closed orbit correction  PHP: Web page, such as machine status online

27. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 26

28. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 27

29. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 28

30. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 29

31. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 30 Beam ramping  Ramping table calculation  E-B relation, B-I curve ， I-D curve  C, Tcl/Tk  Ramping control:  No dedicated hardware  Ramping, ramping down, tune ramping

32. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 31

33. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 32 A typical operation mode ： Injection 200MeV electron from linac ； Ramping it to 800MeV ； Tunning lattice ， decrease emittance from 160nmrad to 80nmrad ； Compensation Lattice while charge Wiggler Main PS; Running closed orbit correction.

34. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 33

35. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 34 Beam closed orbit correction BPM Monitor IOC Power Supply Corrector IOC Orbit correction OPI Beam Corrector Mag BPM the dedicated control LAN

36. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 35 Beam closed orbit correction  Hardware ：  24 BPMs along storage ring, 48 channels  32 corrector magnet PS  Matlab on WindowsXP  response matrix calculation  Requirement:  | ⊿ y| ＜ 30µm (σ x : 0.45~1.87mm,σ y : 0.13~0.43mm ） Matlab Applications Matlab to EPICS (MCA,) Channel Access to Accelerator Hardware

37. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 36 2006.9.23 8:00 － 18:00 All vertical BPMs （ No feedback ）

38. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 37 2007.1.20 8:00 － 18:00 All vertical BPMs （ Feedback ）

39. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 38 BQ6EV

40. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 39 BQ1NV

41. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 40 Status Online and Database in HLS

42. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 41 Machine Status online and History Database  Hardware platform: PC(Linux), PC(Windows) double network cards, connect to dedicated control LAN and NSRL LAN  Software development: SDDS toolkit, Tcl/Tk, PHP Channel Archiver, perl, CGI  Interface: B/S (browser/server)  Classification: All users / NSRL users

43. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 42 Hardware structure

44. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 43 Machine Status online interface

45. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 44 History data query interface(channel archiver)

46. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 45 History data query interface (SDDS)

47. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 46 Summary A distributed control system based on EPICS Multiplicate units,such as Industrial PC, PLC,and data acquisition meter are used Cost-effective and high reliability

48. Mar. 12, 2008 Li, Chuan: NSRL Control System NSRL 47 Thank you!