ISAC-I RF SYSTEM OPERATIONS Z. ANG. Outline ISAC-I RF system names ISAC-I RF amplifiers locations...
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Transcript of ISAC-I RF SYSTEM OPERATIONS Z. ANG. Outline ISAC-I RF system names ISAC-I RF amplifiers locations...
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ISAC-I RF SYSTEMOPERATIONS
Z. ANG
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Outline
ISAC-I RF system names
ISAC-I RF amplifiers locations
ISAC-I RF control stations locations
How to turn on amplifiers
How to turn on rf
Troubleshooting & system rebooting
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ISAC-I ACCELERATOR
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ISAC-I RF Device Names
LEBT RF -- Pre-buncher(11/23/35Mhz), RFQ (35 Mhz)
MEBT RF -- Bunch Rotator(106Mhz), Chopper 5,
Chopper11 & Mebt Rebuncher(35 Mhz)
DTL RF -- Tank#1 (T1), Buncher#1 (B1), T2, B3,
T3, B3, T4 & T5 (106 Mhz)
HEBT RF -- Hebt 11 Mhz Buncher &
Hebt 35 Mhz Buncher
DSB RF -- DSB-buncher (35 Mhz)
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16 Amplifiers (5 SS, 11 tubes PAs)
LEBT RF (2) -- Pre-buncher (Solid state broad band PA , 500W), RFQ (4CW150,000 Tetrode, 85kW cw, 150kW pulse)
MEBT RF (4) -- Bunch Rotator (3CX3000A7 tube at 3.0kW), Chopper 5, Chopper11 (SS 45W/140W PAs) & MEBT Rebuncher (SS 1.6kW PA)
DTL RF (8) -- Tank#1 (T1), Buncher#1 (B1), T2, B3,
T3, B3, T4 & T5 (4CW25,000 tubes , 4 ~ 25 kW)
HEBT RF (2) -- HEBT 11 Buncher (SS 2 kW PA), HEBT 35 Buncher (4CW30,000 Tetrode, 13kW)
DSB RF (4CW25,000 tube, 13 kW)
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ISAC-I RF Amplifiers Locations
Bunch Rotator, Chop5 &Chop11
Pre-Buncher & RFQ
Mebt Rebuncher, Hebt 11
DTL, Hebt 35
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ISAC-I RF Control Station Locations
Four control stations to control 16 amplifiers
Station#1 : Bunch Rotator, Chopper5 & Chopper11 (3)
Station#3 : MEBT Rebuncher; DTL T1, B1, T2, B2, T3 & B3
(7)
Station#2 : Pre-Buncher & RFQ (2)
Station#4: DTL T4 &T5; HEBT 11MHz Buncher &
35MHz Buncher (4)
DSB Station: DSB bunch (1)
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Control Station #1(Rotator, Choppers) & #2(Pre-Bunncher, RFQ)
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Control Station #3 (Mebt Rebuncher,T1…B3) & #4 (Tank4, 5, Hebt 11/35Mhz bunchers)
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Tuners disabled in some systems
Chopper 5MHz, Chopper 11 MHz
MEBT Rebuncher & HEBT 11 MHz buncher
One fine tuner is running for close loop
RFQ (two coarse tuner),
Bunch Rotator, DTL system & HEBT 35 MHz buncher
(one coarse tuner)
Coarse tuners can only be moved manually.
Tuners in each rf device
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Local turn on PA (PA control @ local)
Turn on PS (including AC breaks 480/208V),
Reset PA,
Turn on PA; reset to kill all red-light when PA ready
Then switch PA control remote
Remote turn on PA (PA control @ remote)
Open control panel for turn on PA,
Reset PA,
Turn on PA (when ready, all green)
How to Turn on Amplifiers
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Local turn on RF (on Local control stations)
PA ready for turning on rf , RF control programs on,
(1) Set ‘Amplitude point’ at about 400
(2) Click ‘Auto on’
(*) Reset PA locally if PA trips off
Remote turn on RF (Control rooms)
PA ready for turning on rf , PA control programs on,
(1) Set ‘Amplitude point’ at about 400
(2) Click ‘Auto on’
(*) Reset PA &Turn on PA if PA trips off
How to Turn on RF
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Reboot rf control program (just reboot one of the programs)
Turn off rf, turn off the control program (do not save it!)
Then restart the control program
Reboot rf control program & rf control board (one only)
Turn off rf, turn off the control program (do not save it!)
and reset the knob of rf control board
Then restart the control program
Reboot VXI create and PC station
Turn off all rf, turn off all control program (do not save it!)
turn off PC ps (or restart) and turn off VXI ps (Turn on
VXI, PC & RF while control programs on; always last off,
first on)
Rebooting system
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Reboot PC , VXI Create & RF Control Board
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DTL PA Control Panels
208V breaker
408V breaker
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RF Control Pages in Local PC
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RF Control Pages in Control Room
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PA/RF Working Status page
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RFQ RF Control Devices
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Write down what you have done, what you saw for PAs status on the local notebook & on Operation’s Logbook
Tell operator what you have done which may
affect beams
Waite for operator’s requests after repairing or maintenances
Always Making Record after Jobs Done
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Tubes RFQ (4CW150,000, Rf room), HEBT 35 MHz (4CW30,000, Rf room) Rotator (3CX3000A7 , Cabinet close to RFQ) DTL (4CW25,000, Area back side HEBT PA )
Power supplies (Area back side HEBT PA ) DTLPA drivers, Bias/Screen ps HEBT 35/DSB Buncher Bias/Scrn ps RFQ filament ps, Pre-buncher amplifier HEBT 35/DSB Buncher (ISAC-II rf room)
Tuners, couplers & spare parts (Cabinets close to RFQ)
Spare Parts Locations
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Questions ?