1
Overview of PLS/PLS-II Control System
Jin Won Lee Beam Operation Team Accelerator
Division Pohang Light Source Korea 2009.07.26
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Overview of PLS Control System
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PLS Linac Machine Parameters
Tunnel
Gallery

• Linac(Full Energy Injector)
• Beam energy(GeV) 2.5
• No. of accelerator columns 44
• Frequency(Mhz) 2.856
• Number of Klystrons 12
• Klystron power(MW) 80
• Total length(m) 160

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PLS Storage Ring Machine Parameters
Tunnel
Control Shed

• Beam Energy 2.5GeV
• Beam Current 200mA
• Lattice TBA
• Superperiods 12
• Circumference 280 m
• Emittance 18.9 nm-rad
• Tune 14.28 / 8.18
• RF Frequency 500 MHz

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PLS Control System History Past, Current,
Future

• Optimize and Tune OPI displays
• Reinforce Machine Analysis and Study Systems
• Renovate Control Room

Operator Interface - Workstation/PC -
EDM/MEDM -CA Client
Operator Interface - Workstation - Motif/X-Windows
Ethernet
Upgrade of Control Room System
Subsystem Control - VME/OS-9
Ethernet
Upgraded Ethernet
Ethernet
MIL-1553B

• Optimize and Tune IOCs
• Develop I/O Control for new devices

Input/Output Control - VME, IPC - vxWorks,
Linux -CA Server
Device Control - VME - OS-9
Upgrade of Input/Output Control System

• 2003 Current
• Standard EPICS
• Very stable

• 1995 2002
• Lab-made system
• Unstable

• PLS-II (2009 2011 )
• Standard EPICS

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Operation Statistics of PLS Control System

• Very stable and reliable

Fault status in 2008 User Service
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Main Control Room Hardware

• Large Machine Status Display Units 4 ea
• Machine Monitoring and Operation for
  Operators
• - Solaris Workstation 6 ea
• - X-Terminal 6 ea
• - Linux PC 2 ea
• - Windows PC 1 ea

• Data Servers
• - Database(ORACLE) server
• - FTP server
• - IOC Boot server
• - IOC Web server
• - Gateway servers

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Main Control Room Computers Software

• Graphic Display Panels for Machine Operation
  14 displays
• - Display for Linac Modulator/Microwave
  control and Monitoring
• - Display for Linac MPS control and
  monitoring
• - Display for Linac beam diagnostics
  control and monitoring
• - Display for Storage Ring RF control and
  monitoring
• - Display for Storage Ring MPS control and
  monitoring
• - Display for Storage Ring Injection
  control and monitoring
• - Display for Storage Ring ID control and
  monitoring
• - Display for Storage Ring beam orbit
  monitoring
• - Display for Storage Ring orbit feedback
  control and monitoring
• - Display for Timing control and monitoring
• Machine Analysis and Study Software for
  Physicists
• - LOCO, Elegant, BBA, SDDS, Matlab, MML

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Main Control Room
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Computer Room
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Graphic Display for Machine Operation

• Display for Linac Modulator Control and
  monitoring

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Graphic Displays for Machine Operation

• Display for Linac MPS Control

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Graphic Displays for Machine Operation

• Display for Storage Ring MPS status monitoring

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Graphic Displays for Machine Operation

• Display for Storage Ring beam orbit monitoring

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Graphic Displays for Machine Operation

• Display for Storage Ring RF control

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Graphic Displays for Machine Operation

• Display for Storage Ring Global Orbit
  Feedback control

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Device Control System for Linac

• 4 Subsystems for the Linac Device Control
• EPICS IOCs for Input/Output control and
  monitoring

Beam Diagnostics Subsystem
Modulator Klystron Subsystem
MPS Subsystm
Vacuum Subsystem
EPICS IOCs
EPICS IOCs
EPICS IOCs
EPICS IOCs
- BPM - BPRM - BLM
- Modulator - Klystron - Micrwave
- Magnet Power Supplies
- Pump - Guage - Gate Valve
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IOC Specifications for the Linac Device Control

• Number of IOCs 11
• Number of PVs About 3,000
• H/W VME, Industrial PC, Embedded
• S/W vxWorks, Linux, Windows, RTEMS

Machine Components IOC Hardware IOC OS Number of IOCs Number of PVs
Linac MPS System Industrial PC Linux, RTEMS 3 1000
Linac Beam diagnostics System VME, Industrial PC vxWorks, Linux 4 500
Linac MK/MW System Industrial PC Linux 1 500
Linac Vacuum System Industrial PC Linux 2 500
Linac Auxiliary System Industrial PC Linux 1 500
Total 11 About 3,000
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Device Control for Linac MPS (Magnet Power
Supplies)

• RTEMS Embedded EPICS IOC Controller
• Industrial Linux PC for Gateway IOC

About 100 power supplies for various magnets and
solenoids in the linac
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Device Control for Linac MPS (Magnet Power
Supplies)
Switching Network Hub
Gateway PC (Linux)
MPS With Embedded EPICS Controller (RTEMS)
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Device Control for Linac Modulator/Klystron

• 12 Modulators/Klystrons
• 12 Industrial PC(Windows) Controller
• Linux Industrial PC Gateway IOC
• Ethernet(Modbus)

CA clients
Control Ethernet
Linux IPC-IOC
CA Clients
Control Ethernet
Modbus Ethernet
Linux PC_IOC
Ethernet(ModBus))
IPC Controller1
IPC Controller 12
IPC Controller
M/K1
M/K12
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Device Control for the Storage Ring

• 4 Subsystems for the Storage Ring Device
  Control
• EPICS IOCs for Input/Output control and
  monitoring

Beam Diagnostics Control
RF System Control
MPS System Control
Vacuum System Control
EPICS IOCs
EPICS IOCs
EPICS IOCs
EPICS IOCs
- E-BPM - P-BPM - DCCT - Screen - Scraper
- LLRF - Klystron - Modulator - Circulator -
Cavity - Master Oscillator - Vacuum
Guage - Temp.
- Bending - Q1 Q6 - Skew - H-Corrector -
V-Corrector
- Pump - Guage - Gate Valve - Chamber Temp.

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IOC Specifications for the Storage Ring Device
Control

• Number of IOCs 29
• Number of PVs About 7,000
• H/W VME, Industrial PC
• S/W vxWorks, Linux, Windows

Machine Components IOC Hardware IOC OS IOC Number PV Number
SR Beam Diagnostics VME vxWorks 12 ea 1,500
SR RF System VME vxWorks 1 ea 1,500
SR MPS System VME vxWorks, Linux, Windows 15 ea 2,000
SR Vacuum System Industrial PC Linux 1 ea 2,000
Total 29 ea 7,000
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Local Control Sheds

• 12 local control sheds around the storage ring

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Device Control for Beam Position Monitors

• Number of IOC 12 ea
• Based on
• VME and vxWorks

VME EPICS IOC
BPM Processing Modules (Bergoz module)
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Device Control for Corrector Magnet Power
Supplies

• Number of IOC 12 ea
• Based on
• VME and vxWorks

VME EPICS IOC
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Device Control for RF system

• Number of IOC 1 ea
• Based on
• VME and vxWorks

VME EPICS IOC
Low-level RF System
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Device Control for Timing System

• Number of IOC 1 ea
• Based on
• VME and vxWorks

VME EPICS IOC
Timing Hardware
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Status of PLS-II Control Design
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PLS-II Upgrade Project Summary

• Project Period 3 years (2009 2011)
• Total Budget US 100 M

• Yearly Budget in US M (1U 1000 Won)

Item Year Year Year Total
Item 2009 2010 2011 Total
Storage Ring 15.1 25.11 9.42 49.63
Linac 8.57 5.97 1.6 16.14
Beamline 5.46 11.82 6.62 23.9
Utility 0.87 3.5 5.96 10.33
Total 30.0 46.4 23.6 100.0
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PLS-II Upgrade Project Summary

• Total Control Budget US 2.3 M (1U1000 Won)

• Yearly Budget in US M

Item Year Year Year Total
Item 2009 2010 2011 Total
Control 0.1 1.7 0.5 2.3
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Major Goals of the PLS-II Upgrade
Item PLS PLS-II
Increase Energy 2.5 GeV 3.0 GeV
Lower Emittance 18.9 nmrad 5.6 nmrad
Increase Stored Beam Current 200 mA 400 mA
Increase No. of IDs 10 gt20
Increase Brightness 21018 1020
Change Lattice Type TBA DBA
Change Operation Mode Decay Top-up
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Schedule of PLS-II Control
Item Y2009 Y2009 Y2009 Y2009 Y2010 Y2010 Y2010 Y2010 Y2011 Y2011 Y2011 Y2011
Item 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q
1. CDR, TDR
2. Development
3. Procurement
4. Dismantlement/ Installation
5. Integration Test
6. Beam Commissioning
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Designed Components of PLS-II Control
Data Management System
Machine Operation System
Machine Analysis and Study System
Database Server
Information Display
LOCO, BBA
NFS /Boot Server
Monitor Display
SDDS, ADT, Elegant
Gateway Server
Control Display
Matlab, MML
Web/SMS Server
Network System
Device Control System
Timing System
LINAC Device Control System
Storage Ring Device Control System
Beamline Device Control System
Machine Interlock System
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Open and Standard Technologies for the PLS-II
Control

• Hardware
• - Machine Operation H/W PC, Workstation
• - I/O Control H/W VME, CompactPCI,
  Industrial PC
• Software
• - Machine Operation S/W MEDM, EDM, ALH,
  Archiver, StripTool
• - Machine Study S/W LOCO, BBA, MML, Matlab,
  SDDS, Elegant
• - OS Solaris, Linux, Windows, vxWorks,
  RTEMS
• Network
• - Control Network Etehrenet(TCP/IP)
• - Fieldbus Modbus, CANbus, RS485
• - Fast Data Network Reflective Memory
  Network

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Main Control Room Upgrade for the PLS-II
Machine Monitoring Systems
LCD 3
LCD 6
Machine Operation Systems
Information Status Display Wall ( LCD Monitor)
LCD 2
LCD 5
LINAC MPS/E-Gun Control
LINAC BPRM Control
LINAC MK/IPA Control
Top-Up Control
SR BPM/MPS Control
RF Mon/ Control
Feedback Control
TimingEvent
LCD 1
LCD 4
Machine Analysis Study Systems
Windows Visual c/c
LabView
Unix Workstation
Linux
MATLAB
EPICS
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3D View of Main Control Room for the PLS-II
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Network Upgrade for the PLS-II

• Control Network, Public Network, Research
  Network
• Ethernet with 1 Giga-bps Bandwidth
• Firewall Security

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BPM system upgrade using Digital BPM for the
PLS-II

• First-turn Orbit Measurement
• Turn-by-Turn Orbit Measurement
• Fast Acquisition Rate (10KHz)
• Submicron Stability

First-turns orbit data Turn-by-turn data SA(10Hz)
orbit data
FA(10KHz) orbit data
Control Ethernet
Giga Ethernet
BPM Pick-ups (A,B,C,D)
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Timing system upgrade using event modules for
the PLS-II

• Synchronization of Linac (2856MHz) and
• Storage Ring (500 Mhz) RF Frequency
• Event-based Trigger system (Jitter lt 50ps)
• - VME EPICS IOC
• - Commercial event VME modules
• . VME EVG-230
• . VME EVR-230

EVG
Fan-out
EVR
Thank you very much for your kind attention!
E-Gun, Modulator, Kicker, BPM, C-MPS