Transcript Progress of the Controls for BEPCII EPICS Seminar Presented by J. Zhao 20 August, 2002

Progress of the Controls
for BEPCII
EPICS Seminar
Presented by J. Zhao
20 August, 2002
1
Outline
–Progress
–System design
2
Part I Progress
–What we have done
–What’s the next
3
What we have done

User requirement
–
–
–
–
–
–
Functions
Control accuracy
Operating mode and sequence
Requirement of OPI
Device protection
Tables:
• Device infor.
• Channels
• Name convention of DB
4
What we have done
 System analysis
 System design
 International review meeting
• 13-17 May, 2002 SLAC
• Comments: pay attention to
• The modeling applications
• Developing the I/O drivers for special devices
• Timing system
5
What we have done
 Installed hardware platform
 A SUN Ultra10 Workstation
 A PPC750 IOC: MVME2431
 Built EPICS environment
 EPICS base and extensions
6
What we have done
 Practice and evaluation
 DB configuration
 DM2K, MEDM
 StripTool
 Gnuplot
 Developed a Linux IOC on PC
 PCI & ISA device driver on Linux Platform
 VME I/O driver on vxWorks
7
The next step
 Build complete prototype system
 Order hardware interface
• VME-CANbus, VME-CAMAC
• VME-RS-485,232, VME I/O modules
• PSC-PSI
 Order CapFast
 Order Oracle
 To solve the key technologies
8
The next step
 Selecting a Lab. from which the modeling

applications will be transferred
It might be KEKB or others
Creating an EPICS platform for IHEP users
to learn EPICS
9
Part II System design
– Introduction
– System architecture
– System development
– Subsystems
– Interlock system
– Oracle DB
– Timing system
10
1. Introduction

BEPCII
– Injector Linac
– Two transport lines
– Two storage rings
 System data of BEPCII
– 1700 devices (800 at BEPC)
– About 9500 channels (4,500 at BEPC)

should be a stable and practical system
11
Function of the system




Controlling and monitoring equipments
in central and local control room
Providing accelerator commissioning tools
with a friendly man-machine interface
Timing system to synchronize the accelerator
equipment
Storing raw data and information in DB
for later analyses
12
System Components
 Computer
–
–
–
–
–
control system
Host and front-end computers
Network links
Device interfaces
Operator console
Database service
 Timing
system
– Synchronizing the accelerator equipment for beam injection,
storage and collision
 Safety
interlock system
– equipment protect and personnel safety system
13
Number of device and channels
Device
Num.
AI
AO
DI
DO
Power supply
399
399
399
1596
798
Vacuum
517
957
398
814
994
Injection kicker
8
8
16
40
4
4
72
Radio frequency
7
72
35
180
50
4
341
Beam diagnostic
459
864
80
80
6
1030
Injector Linac
325
559
228
198
36
1219
Summary
1715 2859 1046 2938 2124
50
198
WF other
Sum
3192
488
488
3651
9505
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The current system

BEPC control system
–
–


Transferred from SLAC New Spear system in 1987
Upgraded in 1994
A VAX4500 machine with CAMAC system controls
PC based subsystem
WS console
Ethernet
VAX 4500
Injection
Beam diagnostic
Injector
CAMAC
system
PS, Vacuum,
RF
15
Upgrade plan

New equipment have to be controlled
– BEPCII has double ring, the number of device will be increased
– Super-conducting RF cavities and magnets
– New magnet power supplies and vacuum devices

Upgrading software structure with EPICS
– The software structure of BEPC can not support BEPCII
– Experimental Physics and Industrial Control System

Modifying timing system
– RF frequency will be changed from 200MHz to 499.8MHz
16
Design Philosophy


Adopting distributed architecture
Keeping the existing equipment in use
– CAMAC modules
– PCs

Applying standard hardware interfaces
– VME, Feildbuses, PLCs etc.

Cost-performance should be considered
17
2. System Architecture

Distributed architecture
– Presentation layer
– Process control layer
– Device interface layer
18
Presentation layer


SUN Unix WS and PCs
used as operator console
SUN or HP Server
– Database service
– Computing resources
19
Process Control layer

Seven subsystems:
–
–
–

Power Supply system,
RF, Vacuum, Beam diagnostic,
injection PS and Linac controls
Front-end computers (IOC)
– VME Power PC (MVME2431)
– PCs

Real-time O.S. VxWorks

IOC database in physical memory
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Device Interface Layer
Provide interfaces to the hardware

Hardware standards
–
–
–
–

VME, CAMAC I/O modules
Allen-Bradley PLCs
FB remote I/O controller (made in China)
PSC-PSI
Field-buses serve data communication
21
Data Communication


The standard 100Mb Ethernet serves data
communication in the high level
The fieldbuses make data exchange in the
low level
• ControlNet
• CANbus
• RS-485, RS232
22
Hardware structure
console
Ethernet
VME IOC
VME IOC
VME IOC
PCs
CAMAC
GPIB
RF devices
PS of SR
PS of TL
Beam Feedback
Vacuum
Linac
Waveform
23
3. System development
Software engineering
system development stages

Asking for user requirement
 System design
 coding and testing
 Installation
24
Development tool EPICS
Developing BEPCII control system by EPICS
– OPI (operator interface)
• UNIX WS or PCs/Linux with tools
DM2K, ALH, Channel archiver,
GDCT/Capfast, Knob manager
SNL languige
OPI
CA client
– CA (channel access)/CDEV
• C/C++, Labview, tcl/tk,
– IOC (input/output controller)
•
•
•
•
VME CPU board or PCs
VxWorks
real-time database
device drivers
CA server
IOC
25
System development plan

Creating EPICS Prototype
 Installing hardware platform
 Software development
– Installing EPICS base and extensions
– Creating EPICS IOC database
– Developing
• operator consoles
• applications for device control
– Accelerator commissioning programs
• Transferred from KEKB or other Lab.
– Creating Oracle database service

Upgrade of timing system
26
4. Subsystems
 Power
supply
 Vacuum
 RF control
 Linac control
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Power Supply Control

PS on SR: about 350 new
–
–

10 VME IOCs are located in the local area
ADC/DAC unit is inside the power supply to make settings and readings
PS on TL: 53 old
–
–
Connecting CAMAC system to VME IOC with VME-CAMAC interface
Or VME I/O modules depends on the budget and man-power
PC
SUN
Ethe rne t
VME crate
VME crate 1
I
/
O
I
/
O
I
/
O
P
C
7
5
0
I
/
O
I
/
O
I
/
O
Timer
I
/
O
P
C
7
5
0
P
C
7
5
0
2
9
9
2
CAMAC crate1
ADC
DAC
P ower
supply
ADC
DAC
P ower
supply
ADC
DAC
S I I I I I
C / / / / /
C O O O OO
P ower
supply
T r anspor t line P S
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Power Supply Control

Monitor current, status (on/off, local/remote, normal/alarm)
 Control on/off
Settings
Ramp, Directly, Synchronized, Table ramp
Standardization
knobs
 Interlock temperature of a magnet with its power supply
C urre nt
status (on/off
local/re m ote
norm al/alarm)
C omm an d
IO C s of the powe r supply con trol
Se tpoint
table ramp
inte rlock
output
on/off
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Vacuum Control
Two VME IOC
 Connecting intelligent device to VME IOC by RS-485 and RS-232
 Vacuum interlock system consists of
Allen-Bradley PLC (ControlLogix5555 and AB-1756 I/O)
ControlNet (SST-5136CN-VME or Ethernet)
Figure Vacuum Control
Local
central
OPI
OPI
（PC）
(Work station)
OPI
Ethernet/IP
Ethernet
RS-232
–
–
Interlock
IOC
Process control
(VME)
RS-485
Interlock
(ControlLogix)
Gauge
controller
RS-232
Ion pump PS
controller
Device control
readings
valve
gauge
pump
devices
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Vacuum Control


Monitor Vacuum pressure
Temperature of vacuum chamber
Current, voltage of pump
Status (on/off, normal/alarm)
Interlock vacuum pressure with section valves
Current
Voltage
of pump
Vacuums
Pressure
Temperature
Status
(on/off, N/A)
Interlock
info
IOC of Vacuum control
on/off pump HV
Interlock
output
31
RF control




VME IOC MVNE2431
VME I/O modules
Oscilloscope - GPIB- PC for collecting waveform signal
EPICS PCAS on the PC
RF interlock system including cryogenic system
consists of AB-PLC and ControlNet
O PI
OPI
Ethernet
Interlock
V M E/ I O C
PC IOC
PLC
L o w l e v e l c o n tr o l
W a ve f o r m
c o ll e c t
K l ys t r o n
SC Cavity
R F I n t e r lo c k
s y st e m
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RF control



Monitor volts, power, phase, tuning,
temperature and vacuum pressure,
status of water, gas and cryo. System information
Control on/off RF power source
setting volts
adjusting tuning system
adjust RF phase continuously 0-360 degree
Interlock vacuum, Temp., Cryogenic system with RF devices
Volts
power
VSWR
Phase
Tunning
Temp.
Vacuum
Water
gas
Cryo.
infor.
IOC of RF control
on/off RF
power source
setting
votage
cavity
tunning
Interlock
output
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Linac Control
Functions

Power supply control (Upgrade,new PS)
 Klystron&modulator control (Upgrade)
– Interlocking vacuum pressure of outside/inside windows of klystron
with modulator HV
– Measuring RF phase and amplitude of output envelop

Phase-shift control (rebuild)
– Adjusting/monitoring the stroke of electromotor of phase-shift and
attenuators

Vacuum control (Upgrade,60 new pump)
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Linac Control
Functions

Electron gun control
–
–
(new)
Monitoring current, vacuum pressure
Adjusting current and choose operation mode

e+ target control (rebuild)
 Display beam parameters (Part task)
 Beam optics and orbit correction system
(Part task)
–
–
Measuring parameters of RF power source, power supplies, and BPM etc.
Making feed back control for Q&corrector PS
35
Linac Control
Current system

Front-end: PC WIN98
 Field bus: CANbus
 Device controller: FB remote I/O modules
PC-P3 550 WIN98
RS232-CANbus
CANbus / RS422
Remote I/O
Device
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Linac control
VME IOC in Linac control room to replace the PCs
 FB series remote I/O controller for device control
 CAN bus serves data communication
 Oscilloscope and PC for waveform signal collection
(EPICS/PCAS)
PC
SUN Work Station
OPI
PC
Ethernet
VME/ IOC
TIP810
TIP810
TIP810
TIP810
MVME2431
PC/IOC
CANbus
Device
Controller
OPI
GPIB
GPIB
Interlock
Oscilloscope
Power Suppliy
Vacuum
Klystron
Phase-shift
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5. Interlock system

Layers of the interlock system
Central level
Central Interlock System
System level
Injector
Linac
System
Storage
Ring
System
Detector
System
Synchrotron
Radiation
System
Cooling
Water
Cryogenic
System
Personal
Safety
System
Conventional
Facility
HV Protec.
Magnet PS
Detector
Electronics
Hutch area
Vacuum
Electronics
Cool
Water
Cryogenic
System
Fire Alarm
Tunnel Gare
Dose Monitor
Power Station
EP Transmitter
Gas
Device level
MK
MW
Vacuum
Magnets
RF
Magnet PS
Vacuum
Kicker
38
5. Interlock system

Functions of central interlock system
–
–
–
–
Making interlock between systems
Treating emergency accident
Displaying alarm summary in central control room
Publish alarm information to corresponding area
Central Control lev el
VME/IOC
Interlock
control
pannel
Interlock server
Ethernet
PC
PC
Fieldbus
PC
Controller
s
Keys of
accelerator
Links
PLCs
device
controllers
Dose detectore
devices
Gates
devices
Equipment protection
Personal safety
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5. Interlock system

Flow chart of interlock system
Shutdown
Sear ch
r
Power ready
Cooling water ready
Cryogenic system ready
Gas system ready
Personal saftety ready
Linac ready
Transport line ready
Storage ring ready
Detector ready
Beam line of SR ready
Interlock System ready
Collision mode
Star t
Mode selection
Running
Accelerator on
Detector on
Interlock system on
SR mode
Running or Changing mode
or Pause
Accelerator on
Detector on
Interlock system on
shut down
40
6. Database

Two databases
– IOC real-time database to store real-time data
– Oracle database to store a lot of information

Information in database
– Static parameters
• Machine parameters
• Device data
• Configuration parameters of control system
– Dynamic parameters
• Device status
• Alarm data
• Beam parameters
– Management information
• Project management
• Technical files
• Personal information
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6. Database

Name convention
– Domain name
RI Storage ring (inner ring)
RO Storage ring (outer ring)
TL Transport line
L Injector Linac
– Sub-domain PS, VC, RF, MK, K, B etc.
– Device name B,Q,S, Pump etc.
– Signal type AI, AO, DI, DO, CALC etc.
– Description string
RI: PS: Q 1: AI1: C urre nt
description unit (current of the magnet power supply)
signal type (analog input, number1)
device name and number (first quadrupole)
subdomain (power supply system)
Domain: storage ring (internal ring)
42
6. Database

Relation between IOC database and Oracle
User s
s sicists,
manager User
phy
manager
phy sicists,
oper
ator engineer
oper ator engineer
Or acle O ddis T ools
M S Excel with O DB C
WEB B r owser
P r ogr ams
Export
Import
Oracle DB
Or acle Ser v er M anager
A SC II F ile
M S Excel
User P r ogr ams
OCI
C hannel A r chiv er
Web B r owser
2 D,3 D plot
M S Excel
pr ogr ams
Export
IO C
Real-T ime DB
B eam P ar ameter s
C onfigur ation file
GDC T /DC T
C apFast
A lar m Data
Dev ice Data
43
7. Timing System

Functions
– Synchronize the equipment of the accelerator
• the electron gun, klystron, modulators and the injection kickers -the bunch -- injected into -- bucket
– Provide reference time
• for beam diagnostic system and other system

The timing system has to be upgraded
– RF frequency will be changed from 200MHz to 499.8MHz
– There are two revolution frequency for
• collision mode (1.264MHz)
• Synchrotron radiation mode ( 1.242MHz)

Send people to go to KEKB learning timing
system and order the hardware modules from
Japan
44
8. key technologies

key technologies
–
–
–
–
Creating system architecture with the EPICS
merging existing system to the EPICS
Developing front-end applications
Transferring modeling Applications

Build a prototype to study the key technologies

Making international and domestic cooperation
45
9. Man power

The Man Power
– Total 15 persons for 4 years
• Project manager
• Hardware engineer
• Software engineer
1
4
10
–
–
–
–
The computer and EPICS system manager
EPICS database manager
VxWorks expert with Front-end I/O
Programmers for applications
(PS,RF,Vacuum,Linac…)
– Oracle Database manager
– Network manager
46
10. CPM plan





R&D 8 month
Detailed design 4 month
System development 28 month
Installation & testing 8 month
Total 4 years
47
Summary
 Progress
 System
design
Thank you!
48