1. SSRF Beamline Control System
LIU Ping
Beamline Control Group

2. Contents 1. Overview 2. Personnel Safety Interlock System(PSIS)
3. Equipment Protection System(EPS)
4. Motion Control System
5. Operator Interfaces(OPI)

3. 1.1 Overview: Purposes of control
Protecting people from the X-ray radiation hazard.
Protecting the equipments from damage.
Detecting the position of the X-ray beam.
Controlling the optical components to get the satisfied beam.
Monitoring and archiving the status of beamline, issuing the information of beamline status.

4. 1.2 Overview: Tasks of control
Personnel safety interlock system
Equipment status monitor and protecting system
Diagnosing the beam position with XBPM.
Optical elements motion control

5. 1.3 Overview: Principles of control
Based on an general and standard platform.
Scalable, Reliable and flexible.
Easy to maintain, upgrade and extend.
Easy to use commercial devices.
Rich interfaces to experimental application programs.

6. 1.4 Overview: Hardware Framework
Motor driver
XBPM Acquisition
PSIS and EPS
Motion control

7. 1.5 Overview: Hardware and Software
Upper level：Personal Computer
Middle level：IOC based on VME or PC
Low level:
Motion controller and driver based on VME
Industrial PLC, I/O module, serial port server module, temperature module, and ADC module based on Ethernet
Software
EPICS/synApps：Motor、transform、autoSaveRestore、sscan
StreamDevice、Asyn、SNL、Edm

8. 1.6 Overview: Beamline Control System
Front End
Optical Hutch
Experimental Hutch
Equipment Protection System
Safety InterlockSystem
Motion Control System
Operation
Interface
Ethernet
Display
Interface
Servers
Gateways

9. 1.6 Overview: Beamline Control System
Control Channels
IOCs
Computers
Operator Interface MX
1275 7 2
115
SAXS
1188 6
103
XMF
2076 8
152
XRD
1306
XAFS
1905
176
XIM
1219
106
STXM
924 77
Total
9893 47 14
844

10. 2. Personnel Safety Interlock System
Personnel Safety Interlocking System is to setup a logical action between Optical Shutters and Door Switches, Search Buttons to keep the people from the probable Radiation Hazard.
Front End
Optical Hutch
Experimental Hutch
Photon shutter
Safety Shutter1
Safety Shutter2
Door Switches
Search Buttons
Emergency Buttons

11. Photographs of PSIS FE Control Panel Display Screen Search Buttons
Emergency Buttons
SS2 Control Panel
Display Screen
BL PS&SS1 Control Panel
Emergency Buttons

12. 3. Equipment Protection System
Equipment Protection System is to alarm and take actions to protect the equipments from damage while the monitored parameters such as temperature, vacuum, cooling water flow, pressure of compressed air over the set threshold.
Water Flow
Experimental Hutch
Optical Hutch
Front End
Temperature
Vacuum
Beam Kick

13. Frontend EPS PLC Temperature Monitor Display Screen Water Flow Monitor
Serial port Server
Water Flow Monitor
Vacuum Monitor
PLC
Aperture
Safety Shutter
Fluorescent
Screen
Aperture
Photon Shutter

14. Excluding EPS actions by compressed air !
4. Motion Control System
Motion Control System is to control the optical elements to get the wanted X-ray beam in Energy, spot size and Flux.
Excluding EPS actions by compressed air !
Front End
Optical Hutch
Experimental Hutch
Detector Signal
Acquisition
Motion Control

15. Motion Control Cabinet
Piezo controller
Step motor driver
VME/IOC
Motion Controller

16. 5. Motion Control Interface
Slit Control Panel
Beamline Motion Control Interface
Mirror Control panel
Physical Parameter Control
WBPM control
Panel
Motor Control

17. Control Panel for LN2-cooled DCM
Piezo Control Panel

18. Control Panel for Plane Grating Monochromator
Local Controller
Control Panel based on EPICS

19. Control Panel for Water-cooled DCM
Local Controller
Control Panel based on EPICS

20. Beamline Status Monitoring
Parameters
of Accelerator
Frontend Status
Safety Interlock System Status
Beamline Status

21. Information Services Beamlines summary interface
XBPM data
BL detailed status
Alarms
Temperatures
Vacuum
pump current
All actions and status parameters are monitored and archived.
Status information can be released to internet under permission.

22. Acknowledgement
Dr. Mitsuhashi Toshiyuki, Dr. Xiaowei Zhang from Photon Factory, Japan High Energy Accelerator Organization, Dr. Aoyagi Hideki from Japan Synchrotron Radiation Research Institute, Dr. Deming Su from Advanced Photon Source, for their help and salutary advice on BBPM structural design.
Dr. Dongliang Chen from Beijing Synchrotron Facility for CVD fluorescent screen test.
Dr. Detlef Vermeulen, Dr. David Maden, Dr. Claude Pradervand, Dr. Elke Zimoch, Dr. Dirk Zimoch, Dr. Renate Krempaska, Dr. Juraj Krempasky, Dr. Jud Gaudenz, Dr. Werner Portmann, Dr. Rene Kapeller, Dr. Colin Higgs from Swiss Light Source for beneficial discussion on beamline control system.
Dr. Tim Mooney from Advanced Photo Source, Dr. Zhijian Yin from Brookhaven National Laboratory, for discussion on motion control.
Dr. Noboru Yamamoto from Japan Proton Accelerator Research Complex, Dr. Takashi Obina, Dr. Jun-ichi Odagiri from Japan High Energy Accelerator Organization, for discussion on setting up the platform of developing control system.

23. Thank you