Collider Run II Shot Setup Documentation
Created by Brian Drendel 3-24-04
Last Edit by Brian Drendel 4-21-05
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Sequencer: Pbar
Collider
Aggregate: Run II Load
Collider Pbars
Previous
Aggregate:
Run II Prepare to Load Pbars
Purpose of this
Aggregate:
How to get back to stacking form here:
Finish
this aggregate and then run both the
Run II Revert to Stack
Lattice and the
Run
II Return to Stacking
aggregates.
::: ACKNOWLEDGE
.
::: SHOT_LOG COMMENT
.
Enters the
following comment into the Pbar portion of the shot scapbook at http://www-bd.fnal.gov/cgi-mach/machlog.pl?nb=scrap03.
Time- Loading Pbars. The
starting Stack size is 161.1875. - Sequencer
::: SHOT_LOG COMMENT
.
Enters the
following comment into the Pbar portion of the shot scapbook at http://www-bd.fnal.gov/cgi-mach/machlog.pl?nb=scrap03.
Time- MI data for Pbars.
- Sequencer
::: LOAD_TLG 18 REPEAT .
Loads
TLG #18.
::: WAIT_DEVICE G:TLGSEQ
.
Waits
for the timeline to be loaded.
::: INSTRUCT 250
.
::: SETIT_DEVICE V:PSHOOT =2
.
Sets
state V:PSHOOT to 2 (Ready for transfer).
::: SET_DEVICE A:VSARST =10
.
VSA heartbeat.
::: WAIT_DEVICE A:VSARST
.
Wait
for VSARST to be zero.
::: CTLIT_DEVICE A:CMPS01 OFF
.
Core 4-8 GHz momentum PIN
switch off.
::: CTLIT_DEVICE A:CPPS01 OFF
.
Core 2-4 GHz momentum PIN
switch off.
::: SETIT_DEVICE A:R4RDY
=0 .
Sets
ARF4 Ready to Run parameter to zero.
::: SET_DEVICE A:VSARST =1
.
Restart measurement on VSA.
::: SET_DEVICE A:VSALER =1.4
.
Sets the VSA
longitudinal emittance request in units of eV-S.
::: SET_SEQ FILE 86
.
File
#86 checks the SEM grid positions
D:SM926 STATUS COMPARE off ok
D:SM921 STATUS COMPARE off ok
d:sm917 STATUS COMPARE on ok
D:SM917 STATUS COMPARE off ok
D:SM913 STATUS COMPARE off
ok
D:SM909 STATUS COMPARE off ok
D:SM906 STATUS COMPARE off ok
d:sm900 STATUS COMPARE on ok
D:SM900 STATUS COMPARE off ok
::: CHECK_DEVICE A:ESHTST READING
.
Verifies
that the Accumulator extraction shutter is open (A:ESHTST = 1).
::: CHECK_DEVICE A:ISHTST READING
.
Verifies
that the Accumulator injection shutter is open (A:ESHTST = 1).
::: CHECK_DEVICE A:EKIKTG READING
.
Verifies
that the Accumulator extraction kicker start timer is set to and MIBS value of
13.58491 MI revolutions.
::: SET_SEQ FILE 84
.
File
#84 CW RF gated for shots
A:R2LLT1 SET DEVICE
24 ok
A:R2LLT1 SET TIMER REFER
91 ok
A:R2LLT2 SET DEVICE
0 ok
A:R2LLT2 SET TIMER REFER
91 ok
A:R2LLT2 TURN DEVICE
ON ok
A:R1HLSC DIG_ALARM ENABLE ok
A:R4HLSC DIG_ALARM ENABLE ok
::: SETIT_DEVICE A:R4LLAM =0
.
Sets
ARF4 amplitude control parameter to zero.
::: CTLIT_DEVICE A:R4HLSC ON
.
Turns on ARF4 HLRF.
::: CTLIT_DEVICE A:R4LLAM ON
.
Turns
on ARF4 amplitude control.
::: CTLIT_DEVICE A:R1HLSC ON
.
Turns ARF1 HLRF on.
::: CTLIT_DEVICE A:EKIK
ON .
Turns on the Accumulator
extraction kicker.
::: CTLIT_DEVICE A:EKIKQ ON D
Turns on the Accumulator
extraction kicker.
::: CHECK_DEVICE A:R3SPRD OFF
.
Turns
off the AFR3 Beam Spread enable parameter.
::: CTLIT_DEVICE A:RLLEXF ON
.
Turns
on the ARF4 extraction orbit frequency parameter.
::: CTLIT_DEVICE A:R4MIPS ON
.
Turns
on the ARF4 to Main Injector phase set point parameter.
::: SETIT_DEVICE A:R4BKMP -553
D
::: SETIT_DEVICE A:RCBKHD =10
D
::: EVENT 7A ENABLE
.
Enables
TCLK event $7A (Main Injector BPM write profile mem).
::: EVENT 94 ENABLE
.
Enables
TCLK event $94 (Accumulator injected pbar synch).
::: EVENT 9A ENABLE
.
Enables
TCLK event $91 (Accumulator Pbar to Main Injector transfer prep).
::: INSTRUCT 252 .
::: FTP RF 0
D
::: FTP Shot 0
.
Starts
a FTP on the screen of the operator’s choice that contains Accumulator RF
unstacking parameters.
·
Accululator
LLRF Synth #1 parameter A:RFDDS1 (628700-628950 Hz).
·
ARF4
Cavity Volts parameter A:R4HLFB from 0-1500 V.
·
ARF4
MI phase error parameter A:R4MIPE from -10 – 10 degrees
·
ARF1
fanback voltage parameter A:R1FANB from 0-60 KV.
·
All
over time from 0-24 seconds triggered on an event $91.
::: LOOP BEGIN: LOAD USER
.
Starts the "Load" loop. The loop starts from this location and ends
when the sequencer LOOP END: Load command
is reached.
·
USER option presents the user with a dialog box that asks how
many times to run the loop. The loop should be run one time for each
transfer from the Accumulator. For example, if 6 of the 9 transfers
come from the Accumulator, then the Pbar Sequencer Operator would enter 6.
·
Each loop iteration performs all of the
necessary steps to extract 4 groups of 2.5MHz bunches to the Main
Injector.
·
The loop pauses on each Recycler transfer.
·
The loop repeats once for each Accumulator
transfer.
::: WAIT_DEVICE V:TSHOOT
.
Waits
for state V:TSHOOT to be 3 (ready for pbars).
::: SET_DEVICE A:SHTNUM +=1
.
Increments
the Pbar Transfer Series shot number by one.
::: AUTO_PLOT Shoot .
Starts
a FTP on the screen of the operator’s choice to plot unstacking transfer
efficiencies.
·
Main
Injector DCCT beam intensity readback I:IBEAMM from 0-0.32E12
·
AP1
toroid beam intensity readback M:TOR105 from 0 - 25E10.
·
AP3
toroid beam intensity readback M:TOR910 from 0 - 25E10.
·
Accumulator
DCCT beam intensity readback A:IBEAMB from stack size – stack size - 25 e10.
·
All
plotted over a time of 0-10 seconds triggered on an event $9A.
::: CUSTOM UNSTACK_FRACTION
.
This
command allows the operator to enter, from the data on the shot spreadsheet,
the unstacking fraction. This command
changes the parameter A:BMFRAC (dbeam_fraction) to “how much beam to
unstuck”/A:IBEAMB.
::: WAIT_DEVICE A:VSAAVG
.
Waits
for A:VSAAVG (VSA #1 # of averages counter) to be 1.
::: CHECK_DEVICE A:BMFRAC SETTING .
Checks
the unstacking beam fraction.
::: SETIT_DEVICE A:VSAMRK =7
.
Sets
VSA #1 marker parameter to 7.
::: INSTRUCT 254
.
::: ACKNOWLEDGE
.
::: SETIT_DEVICE A:VSAMRK =0
.
Sets
VSA #1 marker parameter to 0, and then checks that it is at that value.
::: CHECK_DEVICE A:FLOWPC SETTING .
Checks
value of A:FLOWPC (df_lower_pc) value in Hz.
::: CHECK_DEVICE A:FUPPC SETTING
.
Checks
value of A:FUPPC (df_uppoer_pc) value in Hz.
::: CHECK_DEVICE A:CENFRQ READING
.
Checks
value of the Accumulator center revolution frequency.
::: SET_DEVICE A:CNFRQU A:CENFRQ
.
Sets
A:CNFRQU (Accumulator Center Revolution Frequency unstacking) equal to A:CENFRQ
(Accumulator center revolution frequency).
::: SET_DEVICE V:PBXFER V:XFER
.
Sets
V:PBXFER (next Pbar transfer number) equal to V:XFER (next Tev transfer
number).
::: CHECK_DEVICE A:R2DDS1 READING
.
Checks
the Accumulator LLRF Synth #1/h parameter setting.
::: CHECK_DEVICE D:HT901 SETTING
.
Checks
the setting of D:HT901.
::: WAIT_DEVICE A:R4RDY
.
Waits
for A:R4RDY (ARF4 ready to run) to be equal to 1.
::: CHECK_DEVICE D:PERMIT ON
.
Verifies
that the Pbar beam permit is on.
::: EVENT 91 ENABLE
.
Enables
TCLK event $91 (Accumulator unstuck cycle reset).
::: WAIT_FOR EVENT 91
.
Waits for the next TCLK
event $91.
::: SETIT_DEVICE V:PSHOOT =3
.
Sets
state V:PSHOOT to 3 (Unstacking Pbars to the Tevatron), and then checks that it
has that value.
::: NOTIFY Unstacking
.
Sends
a Channel 13 Notify message to http://www-bd.fnal.gov/cgi-bin/notify_mes.pl?ch13=text.
::: EVENT 91 DISABLE
.
Disabled
the TCLK event $91 (Accumulator unstuck cycle reset).
::: WAIT_FOR SECS 6
.
::: CTLIT_DEVICE A:R1LLMR ON
.
ARF1
phase lock to extract 53 MHz parameter is turned on.
::: CTLIT_DEVICE A:R1LLFP OFF
.
ARF1
frequency program (curves) select parameter is turned off.
::: SET_DEVICE A:CNFRQU +=5.0
.
Increment
A:CNFRQU (Accumulator Center Revolution Frequency unstacking) by 5 Hz.
::: SET_DEVICE A:R2DDS1 A:CNFRQU
.
Sets
A:R2DDS1 (Accumulator LLRF Synth #1/h) to A:CNFRQU (Accumulator Center
Revolution Frequency unstacking).
::: SET_DEVICE I:D5CQR1 =99
.
Sets
A:R2DDS1 (Accumulator LLRF Synth #1/h) to A:CNFRQU (Accumulator Center
Revolution Frequency unstacking).
::: WAIT_FOR EVENT 94
.
Wait
for TCLK event $94 (Accumulator injected pbar synch).
CATV PBAR #28 during a typical unstacking event.
CATV PBAR #16 during a typical unstacking event.
CATV PBAR #18 during a typical unstacking event. This is the
Accumulator Gap Monitor (Jello Display). Videos for each transfer are
stored on a Windows PC at
\\mcrops\VideoCapture\PbarTransferShot_####\ (were #### is the Pbar transfer
shot number which is incremented in the
Run II Start Shot
Setup Aggregate. Periodically, the video is also archived at
\\beamssrv1\r_pbardata\Video\.
Fermi Domain credentials will allow access to the video files. The
videos require a special codec to be played. If you have
difficulties playing the videos, then follow the directions given at
\\mcrops\VideoCapture\1st_Read_This_If_You_Cannont_Play_Videos.txt.
CATV PBAR #7 during a typical unstacking event. This is the
Accumulator Wall Current Monitor.
CATV MI #27 during a typical unstacking event. This is the Main Injector
Wall Current Monitor.
P207 during unstacking events.
Beam Transfer FTPs
RF FTPs
::: NOTIFY Inject Pbars
.
Sends
a Channel 13 Notify message to http://www-bd.fnal.gov/cgi-bin/notify_mes.pl?ch13=text.
::: SETIT_DEVICE V:PSHOOT =1
.
Sets
state V:PSHOOT = 1 (not ready for transfer), and then checks that it is at that
value.
::: SETIT_DEVICE A:VSARST =1
.
Sets
VSA #1 Restart control parameter to 1 (Restart measurement).
::: WAIT_DEVICE A:VSARST
.
Waits
for A:VSARST to be zero.
::: SET_DEVICE A:CNFRQU A:CENFRQ
.
Sets
A:CNFRQU (Accumulator Center Revolution Frequency unstacking) equal to A:CENFRQ
(Accumulator center revolution frequency).
::: SET_DEVICE A:CNFRQU +=5.0
.
Increment
A:CNFRQU (Accumulator Center Revolution Frequency unstacking) by 5 Hz.
::: SET_DEVICE A:R2DDS1 A:CNFRQU
.
Sets
A:R2DDS1 (Accumulator LLRF Synth #1/h) to A:CNFRQU (Accumulator Center
Revolution Frequency unstacking).
::: CUSTOM COOL_GAIN
.
Sets
core cooling PIN attenuators to values obeying an equation mult(i)*(A:IBEAMB)+offset(i).
The constants “offset” and “mult” are stored in a table maintained by
the AD\Pbar department. Custom cooling
gain usually undershoots cooling power for larger stacks.
::: WAIT_FOR SECS 5
.
::: COPY_SCREEN 0 SA
D
::: SHOT_LOG IMAGE
.
Adds the
following plot into the Pbar portion of the shot scapbook at http://www-bd.fnal.gov/cgi-mach/machlog.pl?nb=scrap03.
This plot represents the unstacking transfer efficiencies, and is repeated for
all nine transfers.
::: SETIT_DEVICE A:VSARST =4
.
Sets
A:VSARST (VSA #1 Restart Control) to 4 (center 4-8 GHz arrays on A:CENFRQ).
::: SETIT_DEVICE A:R4RDY =0
.
Sets
A:R4RDY (ARF4 ready to run) to be equal to zero.
::: LOOP END:LOAD PBARS .
End
of the Pbar extraction loop. After the
loop has been executed nine times, the aggregate continues below.
::: INSTRUCT 256
.
::: EVENT 7A DISABLE
.
Disabled
TCLK event $7A (Main Injector BPM write profile memory).
::: EVENT E1 DISABLE
.
Disabled
TCLK event $E1 (Recycler Pbars from Accumulator reset).
::: EVENT 9A DISABLE .
Disabled
TCLK event $9A (Accumulator Pbar to Main Injector transfer prep).
::: EVENT 94 DISABLE
.
Disabled
TCLK event $94 (Accumulator injected Pbar synch).
::: CTLIT_DEVICE A:R1LLFP ON
.
ARF1
frequency program (curves) select parameter is turned on.
::: CTLIT_DEVICE A:R1LLH2 OFF
.
ARF1
phase lock to h=2 system is turned off.
::: CTLIT_DEVICE A:R1LLMR OFF
.
ARF1
phase lock to extract 53 MHz is turned off.
::: CTLIT_DEVICE A:R4HLSC OFF
.
Turns
off ARF4 HLRF.
::: CTLIT_DEVICE A:R4LLAM OFF
.
Turns
off ARF4 amplitude control parameter.
::: CTLIT_DEVICE A:EKIK
OFF .
Turns
off the Accumulator extraction kicker.
::: CTLIT_DEVICE A:EKIKQ
OFF D
Turns
off the Accumulator extraction kicker.
::: CHECK_DEVICE A:R1LLPS SAVE_SET .
Reads
and saves the present setting of A:R1LLPS (ARF1 VCO phase control) in degrees.
::: CHECK_DEVICE A:R4MIPS SAVE_SET .
Reads
and saves A:R4MIPS (ARF4 Main Injector phase setpoint) in degrees.
::: SHOT_LOG Image
.
Adds
the following plot into the Pbar portion of the shot scapbook at http://www-bd.fnal.gov/cgi-mach/machlog.pl?nb=scrap03.
This plot represents the Accumulator RF unstacking parameters.
::: SETIT_DEVICE A:SHTNUM =0
.
Resets
the Pbar Transfer Series shot number to zero.
::: SETIT_DEVICE V:SETPBT =5
.
Sets
state V:SETPBT to 5.
ok INSTRUCT 258 D
Collider
Aggregate: Run II Load
Collider Pbars has been
completed.
Next
Aggregate:
Run II Revert to Stack
Lattice
How to get back to stacking form here:
Finish
this aggregate and then run both the
Run II Revert to Stack
Lattice and the
Run
II Return to Stacking
aggregates.
