Notes from Tom’s visit

Notes from Tom’s visitNotes from Tom’s visit1.1. Controls is under-staffedControls is under-staffed 2.2. Common Diagnostics platforms (BPM, FCT, DCCT, BLM,…)Common Diagnostics platforms (BPM, FCT, DCCT, BLM,…)3.3. Where possible, ‘Smart’ Diagnostics, running EPICS locallyWhere possible, ‘Smart’ Diagnostics, running EPICS locally4.4. Define Controls/Diagnostics interfaces ASAPDefine Controls/Diagnostics interfaces ASAP

AP identifies machine and beam modesAP identifies machine and beam modes AP and Diagnostics collaborate on PVsAP and Diagnostics collaborate on PVs Write down ‘global naming convention’Write down ‘global naming convention’

5.5. Modes communicated via EPICS on 1 Hz eventModes communicated via EPICS on 1 Hz event6.6. Clear statement of MPS requirements for commissioningClear statement of MPS requirements for commissioning7.7. ‘‘Simple’ timing system appears feasibleSimple’ timing system appears feasible8.8. Single camera for all imaging applicationsSingle camera for all imaging applications9.9. Prioritize DiagnosticsPrioritize Diagnostics10.10. Generate Systems Brochures/Interface Control DocumentsGenerate Systems Brochures/Interface Control Documents11.11. Collaborations – LLRF, NSLS-II, …Collaborations – LLRF, NSLS-II, …12.12. Controls and Diagnostics reviews ~OctoberControls and Diagnostics reviews ~October

Beam modes – preliminary draft for discussionBeam modes – preliminary draft for discussionBeam modeBeam mode Bunch charge Bunch charge

[nC][nC]Rep rate Rep rate [MHz][MHz]

Beam current Beam current [mA][mA]

Tune up Tune up 0.1-1.40.1-1.4 1010-6-6-9.383-9.383 1010-7-7-14-14Low chargeLow charge 1.41.4 9.3839.383 1414High currentHigh current 1.4/0.71.4/0.7 351.88-703.76351.88-703.76 500500High chargeHigh charge 55 9.3839.383 5050

Machine modeMachine mode max current max current [mA][mA]

commentscomments

0 - no beam0 - no beam 001x - pepper pot 1x - pepper pot .00003?.00003? 11stst dipole off, Diags to pp enabled dipole off, Diags to pp enabled2x - aux line2x - aux line .00003?.00003? 33rdrd dipole off, Diags to aux line dipole off, Diags to aux line

enabledenabled3x - gun-to-Dump3x - gun-to-Dump 500?500? 5 cell off or zero-phased, Diags 5 cell off or zero-phased, Diags

enabledenabled4x - recirculating4x - recirculating 500?500? Diags enabledDiags enabled5x - AP special 5x - AP special studies??studies??

???? Quad scans, difference orbits,???Quad scans, difference orbits,???

x0 - no interceptingx0 - no intercepting 500?500? Flag (and scraper?) inputs to beam Flag (and scraper?) inputs to beam permitpermit

x1 - Profile (phosphor)x1 - Profile (phosphor) .00003?.00003? FCT and DCCT inputs to permitFCT and DCCT inputs to permitx2 - Profile x2 - Profile (transition)(transition)

0.1?0.1? FCT and DCCT inputs to permitFCT and DCCT inputs to permit

Machine modes – preliminary draft for Machine modes – preliminary draft for discussiondiscussion



5.5. Modes communicated via EPICS on 1 Hz eventModes communicated via EPICS on 1 Hz event6.6. Clear statement of MPS requirements for commissioningClear statement of MPS requirements for commissioning7.7. ‘‘Simple’ timing system appears feasibleSimple’ timing system appears feasible8.8. Single camera for all imaging applicationsSingle camera for all imaging applications9.9. Prioritize DiagnosticsPrioritize Diagnostics10.10. Generate Systems Brochures/ICDsGenerate Systems Brochures/ICDs11.11. Collaborations – LLRF, NSLS-II, …Collaborations – LLRF, NSLS-II, …12.12. Controls and Diagnostics reviews ~OctoberControls and Diagnostics reviews ~October

BPM (also FCT, DCCT, BLM,…) Block BPM (also FCT, DCCT, BLM,…) Block DiagramDiagram

Brochure example – SNS Brochure example – SNS BLMBLM

ICD example – SNS BPM 1ICD example – SNS BPM 1

Suggestions for upcoming meeting Suggestions for upcoming meeting agendasagendas

July 30July 30thth – AP presentation/discussion on beam and – AP presentation/discussion on beam and machine modes, global naming convention, MPS machine modes, global naming convention, MPS reqt’s for commissioningreqt’s for commissioning

Aug 6Aug 6thth – joint AP/Diagnostics discussion on Process – joint AP/Diagnostics discussion on Process Variables, Diagnostics PrioritizationVariables, Diagnostics Prioritization

Aug 13Aug 13thth – presentation and discussion of BLM ICD – presentation and discussion of BLM ICD Aug 20Aug 20thth – presentation and discussion of BPM ICD – presentation and discussion of BPM ICD Aug 27Aug 27thth – presentation and discussion of BCM and – presentation and discussion of BCM and

DCCT/differential current ICDsDCCT/differential current ICDs Sep 3Sep 3rdrd – presentation and discussion of Profile ICD – presentation and discussion of Profile ICD

(includes pepper pot?)(includes pepper pot?) Sep 10Sep 10thth – system status – BCM and DCCT – system status – BCM and DCCT Sep 17Sep 17thth – system status – BLM – system status – BLM Sep 24Sep 24thth – system status – BPM – system status – BPM Oct 1Oct 1stst – system status – Profile (includes pepper pot?) – system status – Profile (includes pepper pot?) Oct 8Oct 8thth – Preparation for Design Review – Preparation for Design Review Oct 15Oct 15thth – Design Review – Design Review

Complication for ‘smart’ systemsComplication for ‘smart’ systems ‘‘Smart’ systems have embedded PC, will run Smart’ systems have embedded PC, will run

EPICS locally – BPM, BCM, DCCT, BLM,…EPICS locally – BPM, BCM, DCCT, BLM,… Still evaluating whether to go with Libera or Still evaluating whether to go with Libera or

XilinxXilinx DCCT is Xilinx – acceptance testing next DCCT is Xilinx – acceptance testing next

monthmonth Libera demo delayed by I-Tech vendor board Libera demo delayed by I-Tech vendor board

manufacturing problems, demo box due late manufacturing problems, demo box due late AugustAugust

Steep learning curve for Libera box – Steep learning curve for Libera box – everything we need to know for Xilinx, plus everything we need to know for Xilinx, plus learning to live with the Libera wrapperlearning to live with the Libera wrapper

Libera user’s meeting early September in Libera user’s meeting early September in SloveniaSlovenia

Back-up slidesBack-up slides

Injector Injector DiagnosticsDiagnostics

Ring DiagnosticsRing Diagnostics

Diagnostics QuantitiesDiagnostics QuantitiesGun Ring Dump Total

BPM 4 10 1 15DCCT 1 - 1 2

FCT 1 - - 1

Flag 2 2 1 5

Wire 1/1 1/1 1/1 3/3

Scraper 3 - - 3

Sync. Light - 4 - 4

Compton 1 1 - 2

Streak Cam - 1 - 1

PMT BLM 3 9 - 12

Pin D. BLMs - 8 - 8

Heliax BLMs - 4 8 12

Dump TC - - 1 array 1

AP RequirementsAP RequirementsParameter Range / Expected Value Accuracy Resolution Comments

Injection LineBeam loss (localized) 0-25 A / <500 nA 20% 5 nA Beam Loss Monitors

Beam position 1.5 cm 200 m 50 m BPMs

Beam Emittance 2-10 m 30% 0.2 m Pepper Pot

Transverse Beam Size 2-5 mm 5% 20 m Flags (OTR, YAG)

Beam Halo 20% 1 nA Scraping

Bunch Charge 0.1-10 nC 5% 1% 1% resolution desirable

Ghost Bunches 10 nA @ 10 MHz 20% 1 nA

Recirculation LoopBeam loss (localized) 0-2500 / <50 nA 20% 0.5 nA Beam Loss Monitors

Beam position 1.5 cm 100 m 20 m BPMs

Bunch RF phase 1º 0.25º

Beam Emittance 2-10 m 40% 0.3 m Quad Scan

Transverse Beam Size 0.1-5 mm 10% 5-20 m Flags (OTR, YAG)

Bunch length (Full) 50-150 psec 10 psec 2 psec Streak Cam, Laser pulse corr.

Energy spread 1% 1e-3 2e-4 Via transverse size

Beam Current 0-500 mA 1% 0.25A-1%

Diff. Current Loss < 1 A 1% 0.25A 2 DCCTs, nulling feedback

Beam Halo 1e-6

M56 20 cm / 0.0 10% 0.5 cm Longitudinal BTF

Notes from Tom’s visit

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