1

DEVELOPMENT OF THE ACQUISITION SYSTEM FOR HUGE DATA FLOWS IN

DIAGNOSTIC PLANT SYSTEMS OF THE ITER

I.Semenov, A.Khilchenko*, S.Portone, N.Marusov, E.Mironova, E.Rogova,

 “Project Center ITER” Russia, Moscow, sq. Academic Kurchatov sq., 1

 *BINP SO RAS, Novosibirsk, prosp. Lavrentieva 11

E-mail: i.semenov@iterrf.ru, A.D.Khilchenko@inp.nsk.su, s.portone@iterrf.ru, n.marusov@iterrf.ru, e.mironova@iterrf.ru, e.rogova@iterrf.ru, 

GRID2012, Dubna, July 16-20, 2012

ITER• Major plasma radius: R - 6.2 м • Minor radius: a - 2.0 м• Plasma current: 15 MA• Объем плазмы: 815 м3

• Toroidal field BT : 5.3 T• Burning time: > 400 с

• Construction: 2006(7)-2016(17) (Now 2020).• Operation: 2016-2036• Total project coast: 10 B$• One day operation coast: ~2.5 M$. 

Fusion Parameters :• Working gas D+T• Te=Ti= 15 keV• ne=1020 m-3

• neutron flux> 1016 n/m2s• DT Power– 500 МW

GRID2012, Dubna, July 16-20, 2012 3

ON SITE

TEST CELL

REMOTE PARTICIPATION( WORLD FUSION GRID )

REMOTE PARTICIPATION

Data acquisition USERSUSERS

~1 Gb/sec

WORLD FUSION GRID

ITER  data distribution structure For 5 PB/Year

~2 106 ChannelsData flow - 10-100 GB/secPlasma duration – 30 minTotal  Data during the year ~ 5 PB/Year 

GRID2012, Dubna, July 16-20, 2012 4

Estimate of ADC channels and raw data

MS/s

Bit

1 10 100 10000.1

10

12

14

16

18

~5

~600

~300

~2000~ 3000

Bits : DatasheetENOB : Bits -1.5 FS

# channels required

60 GB/s *2   (no timestamp)60 GB/s *10 (with timestamp)  

300 GB/s * 2 *  DC (duty cycle = 0.1 ?)

<40 GB/s * X< 1 GB/s

Sum = (100 -1000) GB/s * Demand DC 

GRID2012, Dubna, July 16-20, 2012 5

ITER control room (IBM proposal)

GRID2012, Dubna, July 16-20, 2012 6

Физическая архитектура ИТЭР I&C

GRID2012, Dubna, July 16-20, 2012 7

Limitations in standatd fast measurement channel

SignalCreate

NIPXIe

Industrial PC

PSH

PON1 Gb/sec16 Gb/sec

1 Gb/sec

10 Gb/sec

10 Gb/sec

TCN

Finput=500MHz

ADC16 Gb/sec

Fast PLC

GRID2012, Dubna, July 16-20, 2012 8

Online data processing 

SignalCreate

NIPXIe

Industrial PC

PSH

PON1 Gb/sec16 Gb/sec

1 Gb/sec

10 Gb/sec

10 Gb/sec

TCN

GPUTESLA S1070

Finput=500MHz

16 Gb/sec

ADC16 Gb/sec

FPGA

ADC2500_PXIe Developed by Budker

Institute ob Nuclear Physics SO RAS

GRID2012, Dubna, July 16-20, 2012 9

Triggering Block

Data Processing Unit

RAMController

PXIe

PGA & DAC

CLKSynthesizer

Loader

CSR

Initialization ROM

ADC RXDChanel AADC RXDChanel B

RAMChanel A

RAMChanel B

GN4124

A

B

A

B

A BA

B

A B

FPGA

Local BusController

2-chanelAnalogSection

I/O port tr./r.

I/O port

ADC12500PXIe functional diagram

GRID2012, Dubna, July 16-20, 2012 10

ADC12500PXIe Digitizer Prototype module 

GRID2012, Dubna, July 16-20, 2012 11

Measurement schema in ATCA standard

Required Data rate

Existing Data rate

2 Gb/sec

2 Gb/sec

10 Gb/sec

10 Gb/sec2 Gb/sec

2 Gb/sec 10 Gb/sec

10 Gb/sec

ADC2500M(FPGA)

ADC2500M(FPGA)

ADC2500M(FPGA)

ADC2500M(FPGA)

Finp<=1GHzFs<=2GHz

Finp<=1GHzFs<=2GHz

Finp<=1GHzFs<=2GHz

Finp<=1GHzFs<=2GHz

GRID2012, Dubna, July 16-20, 2012 12

-50 0 50 100 150 200 250Время, нс

FastSlow

n

-50 0 50 100 150 200 250Время, нс

FastSlow

n

0 1000 2000 3000 40000

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2x 10

4

Slow

Fast

В частотной области

filter

SignalGauss weighting function

Filter responce

(Timing domain)

Convertion error

HV power source

High voltage divider

NaI scincillator

Photomultiplier

Sрectrometer (ADC12500)

0 1 103 2 1030

200

400

600

800

Spectr_CoCs1 i

i

Cs & Co

Neutron diagnostics (stilben) Gamma spectroscopy [BGO, NaI(Tl)]

ADC12500: applications

GRID2012, Dubna, July 16-20, 2012 13

Thank you

ITER at CADARASHE

Cadarashe