HITRAP – A CS based control system

R. Bär, W. Barth, D. Beck, T. Beier, M. Bevcic, E. Berdermann, K. Blaum, M. Block, A. Bräuning-Demian, H. Brand, K. Brantjes, E. Bodewits, G. Clemente, L. Dahl, C. Dorn, S.

Eliseev, S. Fedotova, R. Fischer, P. Forck, F. Herfurth, R. Hoekstra,M. Kaiser, O. Kester, H.-J. Kluge, S. Koszudowski, N. Kotovski, C. Kozhuharov, R. Kremers, R. Lotz, F. Nolden, W. Nörtershäuser, B. O'Rourke, F. Peldzinski, J. Pfister, W. Quint, D. Racano,

U. Ratzinger, A. Sauer, A. Schempp, M. Shaaban, A. Sokolov, M. Steck, T. Stöhlker, W. Vinzenz, M. Vogel, G. Vorobjev, C. Will, D. Winters, A. Wolf, O. Zurkan

and the HITRAP collaboration

Darmstadt Frankfurt Heidelberg Mainz Groningen

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

Outline

• The HITRAP decelerator

• Requirements for the Control System

• Status and Future

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

HITRAP @ GSI

SIS

400 MeV/u

CoolerPenning Trap

LinearDeceleratorS

trip

per

ESRFRS

UNILAC 400 MeV/u

6 keV/u 4 MeV/u4 Kelvin0.3 meV

Experiments• g-factor of the bound electron• hyperfine spectroscopy with laser light• collision studies highly-charged ions

(HCI) – atoms

• high-precision mass measurements

• highly-charged ions (HCI) - surface interactions

• hollow atom spectroscopy

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

to experiments

DDB sectionIH section RFQ section

matching section and cooler trap

7m

HITRAP – Linear Decelerator

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

HITRAP – Linear Decelerator

4 MeV/u 0.5 MeV/u 6 keV/u

beam

fro

m E

SR

Double Drift Buncher IH RFQ

Cooler PenningTrap

beam to experiments

Instrumentation for beam diagnostics

• Scintillation screens based on YAG single crystals

• Capacitive phase probes

• Wire grids

• Faraday cups

• Diamond detector for energy and position

Beam that will be available to users:

type A/q < 3 (U92+ ...)

ions/pulse 105

energy keV/q ... meV/q

energy spread ≥ 0.3 meV

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

SPECTRAP

EBITg-factor

surfaceexperiment

MOT;Mass Measurements

HITRAP HF-platform

HITRAP Experimental Area2 m

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

Major Challenges

• Need integration of accelerator and experiment

• Need integration of beam diagnostics and control

• Need possibility to extend it to and communicate with experiments

• Complex systems of several levels of subsystems (for instance Trap control)

• Need “easy” access to controls for “operators”

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

(15) LEBT Teil 1

TR4ME1

TR4KX1

TR4KY1

TR4ME2

TR4KX2

TR4KY2

TR3 TR4 TR4 TR5

(15a) Diagnostik

TR4DK1

TR4DF1

TR4DC1

(15b) LEBT Teil 2

TR4ME3

TR4KX3

TR4KY3

TR4ME4

TR4KX4

TR4KY4

(15c) Diagnostik

TR4DK2

TR4DF2

TR4DC2

(15d) LEBT Teil 3

TR4ME5

TR4KX5

TR4KY5

TR4ME6

TR3KX6

TR4KY6

(16) Kühlerfalle

TR5BT1

(17) Einzellinse

TR5ME1

TR5KX1

TR5KY1

TR5DS1

(17a) Diagnostik

TR5DK1

TR5DF1

TR5DC1

(17b) Separatormagn

TR5MU1

(18) Diagnostik

TR5DK2

TR5DC2

TR5DS2

(18a) elekt. Quadrupoltriplett

TR5QT1 1

TR5QT1 2

TR5QT1 3

(18b) Steerer

TR5KX2

TR5KY2

(18c) Diagnostik

TR5DK3

TR5DF3

TR5DC3

(18d) elekt. Quadrupoldublett

TR5QD2 1

TR5QD2 2

(18e) Steerer

TR5KX3

TR5KY3

(19) elekt. Quadrupoldublett

TR5QD3 1

TR5QD3 2

(19a) Diagnostik

TR5DK4

TR5DF4

TR5DC4

(19b) elekt. Ablenker

TR5MU2

(19c) Diagnostik

TR5DK5

TR5DC5

HITRAP Components

2m

LabView - CSGSI Accel. control

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

The Structure of the CS at HITRAP

Hardware PCProfiBus

Core PCDMS, DNS, SQL Server

Trap PCGPIB, FPGA,

RS485

ISEG PCCAN-Bus

GUI PC2GUI PC1

• everything linked with everything (CS!)• tasks distributed to many PCs

Hardware

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

The Structure of the CS at HITRAP

OPC DIM Gatew.CS Ionsource

CS DataAquis.CS Core

DSC

CS SequencerCS Timing

CS FFT

OPC DIM Gatew.

GUI PC2GUI PC1

• everything linked with everything (CS!)• tasks distributed to many PCs

CS Systems

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

Present GUI

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

Developments

• very flexible

• hierarchical communication and states missing

• controlled saving/loading of parameters needed

present GUI

• still flexible but more hard coding needed

• hierarchical communication and states added

• controlled saving/loading of parameters handled now based on well established GOGs

new GUI

D. Beck

F. Herfurth - HITRAP – Heavy, Highly-Charged Ions at Rest

Summary

stat

us

• HITRAP will be the strongest source for heavy, highly-charged ions

• A linear decelerator has been constructed – key components are an IH, a RFQ and a Penning trap

• First deceleration has been achieved

• A complex control system is needed and under construction using CS and LabView

• Second generation of GUI under construction