Status of the beam diagnostics for the SPES project Conforto NicolaSPES Control System GroupMarzo...

Status of thebeam diagnostics

for the SPES project

Conforto Nicola SPES Control System Group Marzo 2010


Final goal:- Beam diagnostic system based on grid profiler and faraday cup read-out- Realisation of emittance-meter

Work done:- Setup of an EPICS database to get data from faraday cup and beam profiler, and to set their position too.- Configuration of ADC boards, Digital IO boards, Digital Output boards.- Configuration of Stepper-Motor boards.- Use of CSS interfaces to set and use the diagnostic devices.- Final Setup of the hardware


Digital Output Board:-Allows to set output bits-Actual usage: sets the position of the Faraday Cup.

Farday Cup interface:- “FC IN” “FC OUT” switch button- Actual value (1nA = 1mV)- 10s, 30s, 60s averages (compress record, updated every 10s)- Plot of the actual value and the 60s average


Beam Profile:- “SET BP IN” “SET BP OUT” buttons- Motor status info (BP position)- Actual value, both grids


Problems:- Noises when using F.C. with suppressor- B.P. multiplexers are slightly different from each other- B.P. hardware problems on the horizontal grid

Next steps:- Set final PV name for the new Pvs- Emittance meter

Status of the beam diagnostics for the SPES project Conforto NicolaSPES Control System GroupMarzo...

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