Safe Machine Parameters in LHC
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Safe Machine Parameter System MPP Internal Review B. Todd 17-18 th June 2010 0v3 Towards Nominal Beams
description
Safe Machine Parameters in LHC. Safe Machine Parameters in LHC. …ENERGY…. Energy Implementation 2010. Energy Implementation 2010. switch between A and B. Energy Implementation 2010. switch between A and B. ≈ 0.5 Hz cross-check - PowerPoint PPT Presentation
Transcript of Safe Machine Parameters in LHC
Safe Machine Parameter System
MPP Internal ReviewB. Todd 17-18th June 2010
0v3
Towards Nominal Beams
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[email protected] Machine Protection Panel - Internal review - 17-18 th June [email protected]
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Machine Protection Panel - Internal review - 17-18 th June 2010
Safe Machine Parameters in LHC
DATA RECEIVERMachineEnergy LHC
Safe Machine
ParameterController
DATA RECEIVERBeam Intensity
Beam Mode
LHC Beam Presence Flag 1
LHC Set-up Beam Flag 2LHC Set-up Beam Flag 1
LHC Beam Intensity 1LHC Machine Energy
LHC Beam Intensity 2Moveable Devices Allowed In
Stable Beams FlagDirectly Transmitted
Broadcast
DATA RECEIVERBeam Presence
LHC GeneralMachineTiming
LHC Beam Presence Flag 2LHC Beam Presence Flag 1
LHC Set-up Beam Flag 2LHC Set-up Beam Flag 1
LHC Beam Presence Flag 2
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Safe Machine Parameters in LHC
DATA RECEIVERMachineEnergy LHC
Safe Machine
ParameterController
DATA RECEIVERBeam Intensity
Beam Mode
LHC Beam Presence Flag 1
LHC Set-up Beam Flag 2LHC Set-up Beam Flag 1
LHC Beam Intensity 1LHC Machine Energy
LHC Beam Intensity 2Moveable Devices Allowed In
Stable Beams FlagDirectly Transmitted
Broadcast
DATA RECEIVERBeam Presence
LHC GeneralMachineTiming
LHC Beam Presence Flag 2LHC Beam Presence Flag 1
LHC Set-up Beam Flag 2LHC Set-up Beam Flag 1
LHC Beam Presence Flag 2
…ENERGY…
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Energy Implementation 2010
BETS LBDS
LHCSafe
MachineParameterController
Dipole Currents
BETS
Energy 1B
Energy 2AEnergy 2B
Collimation
Injection Kickers
BLM
LBDSBeam-1
LBDSBeam-2
Energy 1A
LHC GeneralMachineTiming
LHC Machine Energy
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Energy Implementation 2010
BETS LBDS
Dipole Currents
BETS
Energy 1B
Energy 2AEnergy 2B
Collimation
Injection Kickers
BLM
LBDSBeam-1
LBDSBeam-2
Energy 1A
LHC GeneralMachineTiming
LHC Machine Energy
switch between A and B
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Energy Implementation 2010
≈ 0.5 Hz cross-check dipole currents must be equivalent to BLM energy reading (1%)
BETS LBDS
Dipole Currents
BETS
Energy 1B
Energy 2AEnergy 2B
Collimation
Injection Kickers
BLM
LBDSBeam-1
LBDSBeam-2
Energy 1A
LHC GeneralMachineTiming
LHC Machine Energy
EnergyConsistency
Check
SIS
switch between A and B
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Intensity Implementation 2010
LHCSafe
MachineParameterController
Intensity 1B
Intensity 2AIntensity 2B
DCBCTSystems
Intensity 1A
LHC GeneralMachineTiming
LHC Beam-1 IntensityLHC Beam-2 Intensity
AB
Beam-1 Current
AB
Beam-2 Current LHC Setup Beam Flag 1
LHC Setup Beam Flag 2
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Intensity 1B
Intensity 2AIntensity 2B
DCBCTSystems
Intensity 1A
LHC GeneralMachineTiming
LHC Beam-1 IntensityLHC Beam-2 Intensity
AB
Beam-1 Current
AB
Beam-2 Current LHC Setup Beam Flag 1
LHC Setup Beam Flag 2
Intensity Implementation 2010
switch between A and B
no cross-check
SMP 3v0 – 2011 will implement complete redundancyEnergy and Intensity will be from multiple sources
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1. Remove an external ROM – HWSBF glitch - MPP 2010-25
http://lhc-mpwg.web.cern.ch/lhc-mpwg/MPP-Meetings/No25-19032010/MPP_190310_minutes.docx
HW
Outstanding Issues - SMP 2v0
2. Force SBF False at the start of every normal ramp – / / / .Improve SBF safety - modification authorised Evian 2010
http://indico.cern.ch/contributionDisplay.py?contribId=6&sessionId=3&confId=76921
ready
ready ready ready waitingHW FESA JAVA SEQUENCER
3. The Setup Beam Flag - HW / FESA / JAVAThe limit is too low for some studies
study in progress
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GMT
BeamEnergy
Tracking System
BeamCurrent
Transformers
ENERGY
INTENSITY
FlagGenerator
Direct to Extraction Controller
SBF ADATA
RECEIVER
BeamEnergy
Tracking System
DATA RECEIVER
BeamInterlockController
SBF A
SBF ASBF BSBF
ThresholdROM
ENERGY THRESHOLD
Generating the Setup Beam Flag
If (INTENSITY < THRESHOLD) SBF = TRUE
Else SBF = FALSE
End if
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GMT
BeamEnergy
Tracking System
BeamCurrent
Transformers
ENERGY
INTENSITY
FlagGenerator
Direct to Extraction Controller
SBF ADATA
RECEIVER
BeamEnergy
Tracking System
DATA RECEIVER
BeamInterlockController
SBF A
SBF ASBF BSBF
ThresholdROM
ENERGY THRESHOLD
x4 Timer
Generating the Setup Beam Flag
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1. Remove an external ROM – HWSBF glitch - MPP 2010-25
http://lhc-mpwg.web.cern.ch/lhc-mpwg/MPP-Meetings/No25-19032010/MPP_190310_minutes.docx
HW
Outstanding Issues - SMP 2v0
2. Force SBF False at the start of every normal ramp – / / / .Improve SBF safety - modification authorised Evian 2010
http://indico.cern.ch/contributionDisplay.py?contribId=6&sessionId=3&confId=76921
4. Filter the Beam Presence Flag – HW / FESA / JAVAExtraction Denial of Service - MPP 2010-26
http://lhc-mpwg.web.cern.ch/lhc-mpwg/MPP-Meetings/No26-16042010/MPP_160410_minutes.docx
5. Improve the Beam Presence FlagFast Beam Current Transformer is currently the limiting factor….
ready
ready ready ready waiting
ready ready ready
It’s complicated
HW FESA JAVA SEQUENCER
HW FESA JAVA
3. The Setup Beam Flag - HW / FESA / JAVAThe limit is too low for some studies
study in progress
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Beam Presence Flag Signal Path
Beam Current Transformer System
Beam Current Transformer System
Beam Currents
LHC Point 4
BPF_1BPF_2
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Beam Presence Flag Signal Path
Beam Current Transformer System
Beam Current Transformer System
Beam Currents
LHC Point 4LHC
Safe Machine Parameters Controller
Control Room
BPF_1BPF_2
BPF_1
BPF_2
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Beam Presence Flag Signal Path
Beam Current Transformer System
Beam Current Transformer System
Beam Currents
LHC Point 4LHC
Safe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
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Beam Presence Flag Signal Path
Beam Current Transformer System
Beam Current Transformer System
Beam Currents
LHC Point 4LHC
Safe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
LHC General Machine Timing
Non-Critical Timing Users
BPF_1BPF_2
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Beam Presence Flag Signal Path
Beam Current Transformer System
Beam Current Transformer System
Beam Currents
LHC Point 4LHC
Safe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
LHC General Machine Timing
Data Interchange
Protocol
Non-Critical Timing Users
Non-Critical DIP Users
BPF_1BPF_2
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Beam Presence Flag Signal Path
Beam Current Transformer System
Beam Current Transformer System
Beam Currents
LHC Point 4
BEAM_PRESENCE_LIMIT
LHCSafe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
LHC General Machine Timing
Data Interchange
Protocol
Non-Critical Timing Users
Non-Critical DIP Users
BPF_1BPF_2
Thresholds Definitionhttps://edms.cern.ch/document/883620/
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Beam Presence Flag Signal Path
LHCSafe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
LHC General Machine Timing
Data Interchange
Protocol
Non-Critical Timing Users
Non-Critical DIP Users
BPF_1BPF_2
From end of September 2010
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Beam Presence Flag Signal Path
Beam Position Monitor Hardware
Beam Position Monitor Hardware
Beam Position
LHC Point 4LHC
Safe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
LHC General Machine Timing
Data Interchange
Protocol
Non-Critical Timing Users
Non-Critical DIP Users
BPF_1BPF_2
From end of September 2010
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Beam Presence Flag Signal Path
Beam Position Monitor Hardware
Beam Position Monitor Hardware
Beam Position
LHC Point 4
BEAM_PRESENCE_LIMIT
LHCSafe Machine Parameters Controller
Control Room
BPF_1BPF_2
Extraction Interlock
ControllerSPS East Area
Extraction Interlock
Controller
SPS West Area
BPF_1
BPF_2
ExtractionPermit
ExtractionPermit
LHC General Machine Timing
Data Interchange
Protocol
Non-Critical Timing Users
Non-Critical DIP Users
BPF_1BPF_2
From end of September 2010
+ fibres to be pulled+ new hardware from BI
+ testing and commissioning
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For high intensity beams we need to…Upgrade the operational controller → Ben & SMP Team
When: next technical stop?
Release a new GUI → Ivan & SMP TeamWhen: next technical stop?
Add a sequencer task → OPWhen: MPP to decide
Improve Beam Presence Flag safety• fibres in UA47 → Bruno & Fibre team
• New BPM hardware unit → BI• Testing and Commissioning → BI & SMP Team
When: Ready for end of September
Make the SBF more flexible → MPP & MIWhen:?
Complete redundancy SMP 3v0 → many When: January 2011
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Fin
Thank you for your attention
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