Current Status of PEFP Control System

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Current Status of PEFP Control System
EPICS meeting at NFRI July 27, 2009 Hong,
In-Seok
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Contents

• Overview of the PEFP Proton linac
• PEFP control system
• Concept of the PEFP control system
• Implemented IOCs
• Summary

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• Overview of the PEFP Proton linac

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Project Site

• Gyoungju provided the site (area 440,000 m2)
• (The capital of Shilla dynasty for 992 years,
  from BC 57 to AD 935.)

Seoul
KAERI
Gyoungju
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Site Layout
Phase I (20022012)
Phase II (2012 )
Reserved for a Future Expansion
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Schematics of PEFP Linac Beamlines
Parameter DTL I DTL II
Output Energy (MeV) 20 100
Peak Beam Current (mA) 1 20 1 20
Max. Beam Duty () 24 8
Avg. Beam Current (mA) 0.1 4.8 0.1 1.6
Pulse Length (ms) 0.1 2 0.1 1.33
Max. Repetition Rate (Hz) 120 60
Max. Beam Power (kW) 96 160
Features of the PEFP linac
50 keV Ion Source 3 MeV RFQ 20 100 MeV DTL RF Frequency 350 MHz Beam Extractions at 20 or 100 MeV 5 Beamlines for 20 MeV 100 MeV
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PEFP Beamlines
20 MeV Beamlines 20 MeV Beamlines 20 MeV Beamlines 20 MeV Beamlines 20 MeV Beamlines
Beam Line Application Field Rep. Rate Avg. Current Irradiation Condition
TR21 Semiconductor 60Hz 0.6mA Hor. Ext.
TR22 Bio-Medical Application 15Hz 60?A Hor. Ext.
TR23 Materials, Energy Environment 30Hz 0.6mA Hor. Ext.
TR24 Basic Science 15Hz 60?A Hor. Ext.
TR25 Radio Isotopes 60Hz 1.2mA Hor. Vac.
100 MeV Beamlines 100 MeV Beamlines 100 MeV Beamlines 100 MeV Beamlines 100 MeV Beamlines
Beam Line Application Field Rep. Rate Avg. Current Irradiation Condition
TR101 Radio Isotopes 60Hz 0.6mA Hor. Ext.
TR102 Medical Research (Proton therapy) 7.5Hz 10?A Hor. Ext.
TR103 Materials, Energy Environment 15Hz 0.3mA Hor. Ext.
TR104 Basic Science Aero-Space tech. 7.5Hz 10?A Hor. Ext.
TR105 Neutron Source Irradiation Test 60Hz 1.6mA Vert. Vac.
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Status of the PEFP 20 MeV Linac(KAERI site)
Target station for user
Beam Profile
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• PEFP control system
• Concept of the PEFP control system
• Implemented IOCs

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Control schematics of 20MeV Proton Linac
RF Power
LLRF Control
Extracted Beam
LINAC (RFQ and DTL including focusing magnets)
Proton Injector
Beam diagnostics
Magnet Power Supplies
Vacuum
Cooling
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Control Diagram
CA Archiver
Presentation layer MMI, Logging, Analysis, Alarm
Displays, Database, Global Feedbacks IOC
layer Data Acquisition Control LogicTCP/IP
Server/Client Machine Device layer Modbus/RTU,
TCP/IP RS232/422/485, Relay
Data analysis Browsing server
OPI
OPI
OPI
OPI Server
OPI
Storage
Alarm Reporting
Access Control
Log Control
Control Network
Office Network
CA gateway
Subsystem Gallery Room
Timing
LLRF
Beam Monitor
Vacuum
Magnet_PS
Ion Source
Timing Network
Hard wired Interlock Network
Tunnel
100 MeV DTL
20 MeV DTL
RFQ
IS
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EPICS/VME-based IOC
LAN
Channel Access Client
Channel Access Server/Client
VME I/O board
VME I/O board
VME I/O board
Channel Access Server/Client
Database Access and Scanning
Record
Record
Record
Analog I/O
Digital I/O
Modbus
Device Driver Support
Serial (RS232/422/485)
Ethernet/IP
Input Output Controller (IOC)
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EDM and Alarm Handler
To indicate component status,
Runtime Window
Alarm main group
Alarm sub group
Channel value (PV)
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Channel Archiver

• CA Archiver as a Archiving tool using EPICS
  TCP/IP protocol
• Data Storage Size of Archiver 2GB
• PEFP archiving size 120 MB / 1 week -gt DB
  based Web monitor

Web Client
CA Server
Web Apps
CGI/Web
CA Server
CA Server
Data Storage
Strip Tool
PVs
CA Server
WEB Server
PVs
Win Browser
Archive Engine
Web Server
Archive Export
Archive Engine
PHP
Web Server
Apache
MySQL
GNUPLOT
XML-Data Server
Computer
PV storage by MySQL function from CA
mysql_query()
Archive Export
Disk Storage
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Implemented IOCs for 20MeV proton beam

• Vacuum
• Linux PC - 485 serial
• Magnet Power Supply (MPS)
• VME - 485 serial
• LLRF
• VME - FPGA

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Schematics of Vacuum Control
User Panel
EPICS Soft-IOC
Ethernet RS422/485
LAN-RS232/422/485 Converter
Turbo Pump/Gate Valve Controller
Turbo-pump Controller
Turbo Pump Gate Valve
Gauge
Gauge
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Vacuum OPI
OPI System Intel P4 2.4 GHz, 2GB Memory, Linux
2.4.20 (Redhat)
EPICS Extension StripTool
RedHat Linux Extension EDM (Extensible
Display Manager)

• Acquire data from Channel Access
• Plot it in real time as a strip chart
• Useful for debugging control applications
  and for monitoring data trends

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Magnet power supplies for drift tubes
LEBT
DT EQM
Serial RS485 2 ea.
Modbus/RTU 10 ea.
Analog Voltage 16 ea.
Ethernet
VMEbus
RS232 115.2kbps, RS485 460.8kbps
Resolution 24 bit 12 Sampling/sec
MVME5100
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IOC API Structure for the MPSs
Pressure
PS protection by monitoring pressure (Turn off
all the power supplies within several ms)
Ethernet
VMEbus
Sequencer
CA Server/Client
Scanner
Analog to Ethernet Converter
VME I/O
ATEC
Record Support Device Support Driver Support
Record Support Device Support Asyn
Queue Driver Support
Serial VME I/O Board
16 Differential Analog Input
Analog voltage
Modbus/RTU
RS485-4wire
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MPSs OPI
OPI main window
OPI1
PS Main OPI
OPI2
OPI3
IOC
IOC Monitor
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Beam Monitor
OPI (EDM, MEDM, StripTool, Probe, Archiver,
Python, Tcl/Tk)
Prototype of VME IOC
LAN
CPU MVME5100 ADC1 VTR812/10 ADC2 VTR812/10
IOC Server
ADC1
ADC2
Transition Module ( TM )
BPPM Low-level Electronics crate
Beam Diagnostic System
BPPM 1
BPPM 2
Button Signals
Tank 1 DT 51 L444.5cm E7.2MeV
Tank 3 DT 33 L475.8cm E15.8MeV
Tank 4 DT 29 L444.5cm E20.0MeV
Tank 2 DT 39 L465.5cm E11.5MeV
Beam Stop
Ion Source
RFQ
CT
TCT
BPPM
BPPM
FCT
TCT
ACCT
FCT
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LLRF System(hardwares) for 20MeV proton beams
10 MHz reference oscillator
Solid state amplifier
Delay pulse generator
Event system
Vector signal generator
Oscilloscope for monitoring
Terminal for Command input
Analog signal Processing rack
Digital signal Processing board
Solid state amplifier
Security box for interlock signal
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LLRF control system
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MVME5100 and ICS572B FPGA
Main Specifications

• Six SMA IO port
• - 2 ADCs (100 MHz, 14bit)
• - 2 DACs (200 MHz, 14bit)
• - 1 Clock and 1 Trigger
• On board FPGA
• - Xilinx Virtex-II model
• - XC2V4000, 4million system gates
• PCI Mezzanine Card (PMC)
• - compatible with IEEE P1386.1
• MVME5100 Carrier Board
• - MPC7 series microprocessor
• - 100 MHz front-side bus
• - Dual 32/64-bit PMC expansion slots
• - Dual 10 BaseT/100 BaseTX Ethernet

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Software Development

• FPGA Core Programming
• - Language VHDL
• - Synthesis and Implementation ISE7.1i
• - Logic Simulation ModelSim SE 6.1b

• Application Program Interface
• - Tornado with VxWorks Kernel

ISE7.1 VHDL Development Environment
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Picture of Control Room for 20MeV
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Summary
Implementation of the control system for 20MeV
proton linac

• Implemented VME IOCs and OPI and (Vacuum , MPSs,
  LLRF)
• Upgrade to VEM based Soft-IOC for blend new
  hardwares
• Reliable operation of the IOCs for beam
  experiments

Future Work

• Control system for 20MeV proton linac will be
  extended to 100MeV system
• User web monitoring system
• (Implemented by using DB (MySQL) and Web
  Server (Apache))
• Implementation of EPICS supported LLRF control
  system
• Control implementation for a beam timing and
  monitoring