Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source
A control system of the superconducting 63-pole wiggler fabricated at the Institute of Nuclear Physics in Novosibirsk (BINP) for Synchrotron Radiation center in Canada (CLS) is described. Specific electronics and software, which provide continuous monitoring of all the superconducting wiggler para...
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| Cite this: | Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source / E.A. Kuper, N.A. Mezentsev, E.G. Miginsky, V.V. Repkov, V.M. Tsukanov // Вопросы атомной науки и техники. — 2006. — № 3. — С. 157-159. — Бібліогр.: 3 назв. — англ. |
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Kuper, E.A. Mezentsev, N.A. Miginsky, E.G. Repkov, V.V. Tsukanov, V.M. 2015-04-06T14:52:27Z 2015-04-06T14:52:27Z 2006 Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source / E.A. Kuper, N.A. Mezentsev, E.G. Miginsky, V.V. Repkov, V.M. Tsukanov // Вопросы атомной науки и техники. — 2006. — № 3. — С. 157-159. — Бібліогр.: 3 назв. — англ. 1562-6016 PACS: 07.05.Dz, 85.25.L https://nasplib.isofts.kiev.ua/handle/123456789/79878 A control system of the superconducting 63-pole wiggler fabricated at the Institute of Nuclear Physics in Novosibirsk (BINP) for Synchrotron Radiation center in Canada (CLS) is described. Specific electronics and software, which provide continuous monitoring of all the superconducting wiggler parameters as well as full control and monitoring of power supplies and cryogenics machines, have been designed. The control system is VME-based. A client/server architecture of the software allowed us to integrate easily this system into the CLS distributed control system Описана система управления и мониторинга 63-полюсного сверхпроводящего вигглера, изготовленного в ИЯФ СО РАН для источника синхротронного излучения CLS. Были разработаны специальная электроника и программное обеспечение, обеспечивающие непрерывный мониторинг параметров сверхпроводящего вигглера и управление источниками питания и холодильными машинами. В системе управления использован конструктив VME. Архитектура программного обеспечения клиент/сервер позволила легко интегрировать данную систему в распределенную систему управления CLS. Описано систему керування і моніторингу 63-полюсного надпровідного вігглера, виготовленого в ІЯФ СВ РАН для джерела синхротронного випромінювання CLS. Була розроблена спеціальна електроніка і програмне забезпечення, що забезпечують безперервний моніторинг параметрів надпровідного вігглера і керування джерелами живлення і холодильних машин. У системі керування використаний конструктив VME. Архітектура програмного забезпечення клієнт/сервер дозволила легко інтегрувати дану систему в розподілену систему керування CLS. en Національний науковий центр «Харківський фізико-технічний інститут» НАН України Вопросы атомной науки и техники Применение ускорителей в радиационных технологиях Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source Система управления и мониторинга 63-полюсного 2-Тесла сверхпроводящего вигглера для Канадского Центра Синхротронного Излучения Система керування і моніторингу 63-полюсного 2-Тесла надпровідного вігглера для Канадського Центра Синхротронного Випромінювання Article published earlier |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source |
| spellingShingle |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source Kuper, E.A. Mezentsev, N.A. Miginsky, E.G. Repkov, V.V. Tsukanov, V.M. Применение ускорителей в радиационных технологиях |
| title_short |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source |
| title_full |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source |
| title_fullStr |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source |
| title_full_unstemmed |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source |
| title_sort |
control system of the superconducting 63-pole 2-tesla wiggler for canadian light source |
| author |
Kuper, E.A. Mezentsev, N.A. Miginsky, E.G. Repkov, V.V. Tsukanov, V.M. |
| author_facet |
Kuper, E.A. Mezentsev, N.A. Miginsky, E.G. Repkov, V.V. Tsukanov, V.M. |
| topic |
Применение ускорителей в радиационных технологиях |
| topic_facet |
Применение ускорителей в радиационных технологиях |
| publishDate |
2006 |
| language |
English |
| container_title |
Вопросы атомной науки и техники |
| publisher |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України |
| format |
Article |
| title_alt |
Система управления и мониторинга 63-полюсного 2-Тесла сверхпроводящего вигглера для Канадского Центра Синхротронного Излучения Система керування і моніторингу 63-полюсного 2-Тесла надпровідного вігглера для Канадського Центра Синхротронного Випромінювання |
| description |
A control system of the superconducting 63-pole wiggler fabricated at the Institute of Nuclear Physics in
Novosibirsk (BINP) for Synchrotron Radiation center in Canada (CLS) is described. Specific electronics and software,
which provide continuous monitoring of all the superconducting wiggler parameters as well as full control and
monitoring of power supplies and cryogenics machines, have been designed. The control system is VME-based. A
client/server architecture of the software allowed us to integrate easily this system into the CLS distributed control
system
Описана система управления и мониторинга 63-полюсного сверхпроводящего вигглера, изготовленного в ИЯФ СО РАН для источника синхротронного излучения CLS. Были разработаны специальная электроника и программное обеспечение, обеспечивающие непрерывный мониторинг параметров сверхпроводящего вигглера и управление источниками питания и холодильными машинами. В системе управления использован конструктив VME. Архитектура программного обеспечения клиент/сервер позволила легко интегрировать данную систему в распределенную систему управления CLS.
Описано систему керування і моніторингу 63-полюсного надпровідного вігглера, виготовленого в ІЯФ
СВ РАН для джерела синхротронного випромінювання CLS. Була розроблена спеціальна електроніка і
програмне забезпечення, що забезпечують безперервний моніторинг параметрів надпровідного вігглера і
керування джерелами живлення і холодильних машин. У системі керування використаний конструктив
VME. Архітектура програмного забезпечення клієнт/сервер дозволила легко інтегрувати дану систему в
розподілену систему керування CLS.
|
| issn |
1562-6016 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/79878 |
| citation_txt |
Control system of the superconducting 63-pole 2-Tesla wiggler for Canadian Light Source / E.A. Kuper, N.A. Mezentsev, E.G. Miginsky, V.V. Repkov, V.M. Tsukanov // Вопросы атомной науки и техники. — 2006. — № 3. — С. 157-159. — Бібліогр.: 3 назв. — англ. |
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| fulltext |
CONTROL SYSTEM OF THE SUPERCONDUCTING 63-POLE 2-TESLA
WIGGLER FOR CANADIAN LIGHT SOURCE
E.A. Kuper, N.A. Mezentsev, E.G. Miginsky, V.V. Repkov, V.M. Tsukanov
Budker Institute of Nuclear Physics, Novosibirsk, Russia
E-mail: E.G.Miginsky@inp.nsk.su
Tel.: +73833394427, fax: +73833307163
A control system of the superconducting 63-pole wiggler fabricated at the Institute of Nuclear Physics in
Novosibirsk (BINP) for Synchrotron Radiation center in Canada (CLS) is described. Specific electronics and soft-
ware, which provide continuous monitoring of all the superconducting wiggler parameters as well as full control and
monitoring of power supplies and cryogenics machines, have been designed. The control system is VME-based. A
client/server architecture of the software allowed us to integrate easily this system into the CLS distributed control
system.
PACS: 07.05.Dz, 85.25.L
1. INTRODUCTION
The superconducting 63-pole wiggler with maxi-
mum magnetic field 2 Tesla (SCW) was designed and
fabricated at BINP as a generator of synchrotron radia-
tion for Hard X-ray micro-Analysis station in CLS. In
January 2005 the SCW was installed on the CLS storage
ring.
The SCW control system design was defined by the
CLS control system architecture. The CLS control sys-
tem architecture is based on a distributed control sys-
tem. The heterogeneous collection of computers is inter-
connected predominately using Ethernet. Operator Inter-
faces (OPI) at the top tier provides a means for the oper-
ator to interact with the system. Linux-based worksta-
tions are used as the main operator consoles. MS-Win-
dows 2000 workstations are used for a variety of semi-
autonomous systems that are part of the control system.
Input Output Controllers (IOC) hardware provides a
mapping between device level hardware and the opera-
tor interface.
The SCW control system is a VME-based system
with MVME172 single-board computer running Vx-
Works 5.3 operating system. This architecture (see Fig.
1) allowed one to carry out all necessary tests of the de-
vice before its installation on the ring and to integrate
easily the control system to the CLS one.
2. THE SCW CONTROL SYSTEM MAIN
FUNCTIONS
A superconducting wiggler is a multipole magnet in-
serted into a special liquid helium cryostat. The inner
liquid helium vessel is surrounded by two shield screens
with vacuum insulation between the helium vessel, the
both screens and an external warm stainless steel vessel
to reduce the heat flux. Two Leybold Coolpack 10MD
coolers are used to cool the shield screens.
The magnet consists of 126 coils placed symmetri-
cally relative to the median plane and surrounded by the
ARMKO-iron yoke. The magnetic field on the wiggler
axis is created by 122 central coils. Two power supplies
are used to energize superconducting magnet (one for
all coils and one for central ones). This design allows
one to zero the first filed integral easily by current redis-
tribution between the power supplies while the summa-
rized current through the central coils (and so the mag-
netic field) remains constant.
Two additional coolers (Leybold 4.2GM One Watt
System) are connected to the current leads (high temper-
ature superconducting ceramic parts) to reduce the tem-
perature.
Such magnet design defines main functions for the
SCW control system:
- cryostat system monitoring;
- magnet system control;
- reliable interlock protection;
- remote equipment control and monitoring.
SCW control
console
Digital
input/output
MVME172
SM1
Analog
input
TIP866-10
(RS232, 8 channels)
Digital
input/output
VME crate
COOLPACK 6200 MD
compressor units
3
(to COOLPOWER 4.2GM)
4
(to COOLPOWER 4.2GM)
1
(to COOLPOWER 10MD)
2
(to COOLPOWER 10MD)
Cryogenic system
monitoring
Interlock signals
Quench detector
DANFYSIK
MPS 883
(400A/10V)
PS1 (main)
PS2 (auxiliary)
Junction box
SCW
(magnet&cryostat)
CLS Local Area Network
Fig.1. The SCW control system architecture
2.1 CRYOSTAT MONITORING
To provide reliable and safe wiggler operation con-
tinuous monitoring of an SCW system state is useful,
namely:
• LHe level monitoring;
• GHe pressure monitoring;
• insulation vacuum monitoring;
____________________________________________________________
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY. 2006. № 3.
Series: Nuclear Physics Investigations (47), p.157-159. 157
mailto:E.G.Miginsky@inp.nsk.su
• temperature monitoring;
• GHe flow monitoring.
2.2. INTERLOCK PROTECTION
To protect the SCW system interlock logic is inte-
grated into PLC. The interlock events are:
• quench;
• high current leads temperature;
• low LHe level.
The superconducting coils are protected from dam-
aging by shunts (0.1 Ohm) and cold diodes (Fig.2). A
conventional bridge circuit is used to detect a voltage
unbalance between lower and upper coils during a
quench.
Fig.2. Cold diodes and quench oscillogram
To prevent the HTCS current leads from a quench an
interlock signal occurs if the temperature on the even
one current lead is higher than 78 K.
The temperature sensor (without a heat-conducting
path) is used for registration the LHe level interlock.
The temperature behavior of this sensor is shown in
Fig.3.
2.3. REMOTE EQUIPMENT
The power supplies and cryocoolers are the part of
the SCW system. RS232 interface is used to control
these devices and to get status information.
3. SCW CONTROL SYSTEM HARDWARE
IMPLEMENTATION
The control system hardware includes:
• instrumentation for system diagnostics;
• Junction Box (special electronics);
• VME boards;
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Time, h
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Te
m
pe
ra
tu
re
(D
93
),
K
0
5
10
15
20
25
30
35
40
45
50
LH
e level, %
LHe interlock probe (D93) & LHe level
Fig.3. The temperature behavior of the diode sensor
3.1. JUNCTION BOX
Junction Box (JB) was intended for SCW signals
gathering. As a matter of fact JB is a main element of
the control system. The outline scheme of the JB is
shown in Fig. 4.
Temperature sensors
current generators
(.01-.4 mA,16 channels)
LHe level meter
current generator
0.3 AGHe pressure meter
power supply (18 V)
Flow meter
power supply (12 V)
Interlock signals:
- 4 temperature sensors (current leads);
- low LHe level;
- quench detector
Sensor signals normalizing board:
- temperature sensors voltage filtering,
- LHe level sensors driving,
- pressure and He flow signals normalizing
Te
m
pe
ra
tu
re
se
ns
or
s
ca
bl
es
M
ix
ed
c
ab
le
s
In
te
rlo
ck
si
gn
al
s
A
na
lo
g
si
gn
al
s
32
c
ha
nn
el
s
D
ig
ita
l s
ig
na
ls
8
ch
an
ne
ls
in
pu
t
8
ch
an
ne
ls
ou
tp
ut
to PS
to SCW
to VME
to VME
to SCW
Fig.4. The outline scheme of the JB
Analog and digital output connectors for VME board
are available on the JB front panel (see Fig.5). Two con-
nectors for signal cables from cryostat as well as an in-
terlock output connector are placed on the back panel.
JB has an independent power supply to ensure reliable
and safe operation of the device.
Fig.5. The Junction box front panel
3.2. SCW DIAGNOSTIC INSTRUMENTATION
16 temperature sensors placed in various points of
the cryostat give full information about system state
during routine operation as well as during system cool-
ing down and warming up. In the system described, sili-
con diodes are used for temperature measurements.
LHe level sensor is a superconducting wire with
length about 400 mm and diameter of 0.1 mm. The re-
sistance depends on the LHe level.
The industrial pressure transmitter PAA-23S with
absolute pressure range 2 Bars, 10 V output is used as a
pressure sensor.
The industrial gas-flow meter F-112AC-HAD-33-V
with gas-flow capacity 100 L/min, 5 V output is used as
a He-gas flow meter.
SingleGaugeTM controller TPG 261 (measurement
range 5·10-11…55000 mbar, RS232 interface, analog
output 0…10 V) is used for insulation vacuum monitor-
ing.
3.3. VME BOARDS
The following VME boards are used in the SCW
control system:
• Motorolla MVME172 processor board;
• RS232 8 cannel interface to control power sup-
plies and cryogenic machines;
• SM1 module includes 14 bits 32 channels ADC
and Input/Output register. This VME board was
designed in BINP.
4. SCW CONTROL SYSTEM SOFTWARE
Characteristic features of the SCW control system
are the following:
158
• Distributed multilevel software hierarchy with
classic client/server architecture;
• Software is divided into two parts: an embed-
ded part (target) and a high-level (host) part;
• The target part of software operates on industri-
al equipment under VxWorks 5.3 operating sys-
tem;
• The host high-level part is a client user interface
application;
• The interaction between these two parts is real-
ized via Ethernet.
The architecture of the SCW control system soft-
ware is shown in Fig.6.
Windows
2000
MS Windows 2000 VxWorks
C
lie
nt
Se
rv
erUser
application
Device
support
&
Drivers
Control
&
monitor
tasks
TCP/IP
network
Fig.6. The SCW control system software architecture
Main functions of the SCW control system soft-
ware:
• monitoring of all SCW parameters;
• remote equipment control and monitoring;
• alarm processing;
• convenient representation of all actual data.
The target part is the main one as it provides infor-
mation processing from the hardware devices and real-
izes all of algorithms for the SCW control. The host
software is a high level user interface program which al-
lows users to obtain all SCW data and to control the ma-
chine. The example of the user interface screen is shown
in Fig.7.
Fig.7. User interface screen
5. SUMMARY
The control system designed for the multipole super-
conducting wiggler supports the routine operation and
provides reliable device protection. The VME-based ar-
chitecture allows the SCW control system to be integrat-
ed into the CLS one.
REFERENCES
1. A. Batrakov, I. Ilyin, G. Karpov et al. Control and
data acquisition system for high field
superconducting wigglers // Nucl. Instr. and Meth-
ods. 2001, A467-468, p.201-205.
2. A. Batrakov, V. Jurba, S. Khrushchev et al. A
Superconducting 3.5 T Multipole Wiggler for the
ELETTRA Storage Ring. Proc. of EPAC’02, Paris,
France. 2002, p. 2634-2636.
3. I. Ilyin, E. Miginsky. Software of the standalone
control systems for the insertion physical devices.
Proc. of ACIT, Novosibirsk, Russia. 2005.
СИСТЕМА УПРАВЛЕНИЯ И МОНИТОРИНГА 63-ПОЛЮСНОГО 2-ТЕСЛА СВЕРХПРОВОДЯЩЕ-
ГО ВИГГЛЕРА ДЛЯ КАНАДСКОГО ЦЕНТРА СИНХРОТРОННОГО ИЗЛУЧЕНИЯ
Э.А. Купер, Н.А. Мезенцев, Е.Г. Мигинская, В.В. Репков, В.М. Цуканов
Описана система управления и мониторинга 63-полюсного сверхпроводящего вигглера, изготовленного
в ИЯФ СО РАН для источника синхротронного излучения CLS. Были разработаны специальная электроника
и программное обеспечение, обеспечивающие непрерывный мониторинг параметров сверхпроводящего виг-
глера и управление источниками питания и холодильными машинами. В системе управления использован
конструктив VME. Архитектура программного обеспечения клиент/сервер позволила легко интегрировать
данную систему в распределенную систему управления CLS.
СИСТЕМА КЕРУВАННЯ І МОНІТОРИНГУ 63-ПОЛЮСНОГО 2-ТЕСЛА НАДПРОВІДНОГО
ВІГГЛЕРА ДЛЯ КАНАДСЬКОГО ЦЕНТРА СИНХРОТРОННОГО ВИПРОМІНЮВАННЯ
Е.А. Купер, Н.А. Мезенцев, Є.Г. Мігінська, В.В. Репков, В.М. Цуканов
Описано систему керування і моніторингу 63-полюсного надпровідного вігглера, виготовленого в ІЯФ
СВ РАН для джерела синхротронного випромінювання CLS. Була розроблена спеціальна електроніка і
програмне забезпечення, що забезпечують безперервний моніторинг параметрів надпровідного вігглера і
керування джерелами живлення і холодильних машин. У системі керування використаний конструктив
VME. Архітектура програмного забезпечення клієнт/сервер дозволила легко інтегрувати дану систему в
розподілену систему керування CLS.
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PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY. 2006. № 3.
Series: Nuclear Physics Investigations (47), p.157-159. 159
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