beam test plan 1999 p. roger williamson hansen experimental physics laboratory stanford university...
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Beam Test Plan 1999
P. Roger Williamson
Hansen Experimental Physics Laboratory
Stanford University
GLAST Collaboration Meeting
GSFC
February 10, 1999
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Beam End
Workstations
SETS acquirehextabulartrackerhisto
Tornadowindshlaunchwindview
Reflective Memory
Cisco 2924C-XL Fast Ethernet Switch
Instrument Data Bus
Counting House
To Internet &Beam Control, non-event data
NIM Bin
Fiber-optic100 Base FX
PowerConditioner120V AC
28V Powersupply
Beam Tower
Beam DPHSK
L1Trigger
SpacecraftSimulatorCommandTelemetry
S/C Data packetACS Simulator
GPS Position & Time Simulator
PrototypeTowerTracker
CalorimeterAnti-coincidence
HSKL1T, L2T, L3T
ESA BeamEvent Data
Beam Pulse REQTTL level50Ω Term.
Position Sensor and Control
Cisco 2924C-XL Fast Ethernet Switch
Stanford/HEPL Provided
SLAC Provided
Beam Test 1999 Components
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Level 1 Trigger
• Beam Tower – Utilize ACDREQ in
L1T FPGA
– Beam pulse variable delay time w.r.t. particle arrival (includes pre-trigger)
– Input can be enabled or disabled by command
• Prototype Tower– L1T
• ACD
• CAL
• TKR
– All inputs can be enabled or disabled
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Spacecraft Simulator
• Forward commands
• Forwards telemetry data packet
• Assembles SC data packet
• Attitude simulator– Reads table position
controllers
– Transmits simulated attitude data to towers
• GPS simulator– Transmits simulated
position data to towers
– Transmits simulated GPS time data to towers
– Transmits GPS sync to towers
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Simulated Spacecraft Communications
• Cisco 2924C-XL Switch
• 10 or 100Mb/S twisted pair Ethernet between towers
• 100Base-FX fiber Ethernet uplink/downlink
• Simulated uplink for commands
• Simulated X-band downlink at 100 Mbps
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Run Control
• Enter data in web page– Boxes auto-fill
– Replaces “Run Log” pages
• Start sends the start run command – To Spacecraft Simulator
– To Beam Control
• Does NOT replace written logbook
GLAST Run ControlRun # GMT
Comment Box
Run data sheet infoin this section
(previously on paper)
Add Comment
(Re)Start Run Stop Run
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Beam Test 1999 Software Tasks
• Run Control input form
• SETS startup scripts– stripcharts
– tabular displays
– striptabs
• SETS histograms
• glastsim analysis interface
• Revitalize tjrecon, etc
• glastdaq– data packet definition
– data acquisition
– L2T
– L3T
– file management
– watchdog timer
– setup scripts
• beamtower– data packet definition
– data acquisition
– L2T
– L3T