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sfop
2016-06-02 12:14:41 +02:00
parent 6324732a21
commit 09cfbac9f6
2 changed files with 71 additions and 16 deletions
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34
script/Alignment/Gun_solenoid_alignment_dv.py
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@@ -1,21 +1,23 @@
#Tool to align the laser on the cathode.
# Tool to align the solenoid on the gun.
# S. Bettoni, A. Gobbo, D. Voulot
#30/05/2016
# 30/05/2016
#Procedure:
#I switch off all the magnets between the gun solenoid and the screen or BPM used for the measurement
#I change the current of the gun soleoid
#I look at the centroid position (BPM or screen) downstream of the gun.
# Procedure:
# switch off all the magnets between the gun solenoid and the screen or BPM used for the measurement
# change the current of the gun soleoid
# look at the centroid position (BPM or screen) downstream of the gun.
I = Channel("SINEG01-MSOL130:I-SET")
I_set = Channel("SINEG01-MSOL130:I-SET")
I = Channel("SINEG01-MSOL130:I-READ")
cam_x, cam_y = ... # some camtool command / channel?
bpm_x = Channel("SINEG01-DBPM340:X1")
bpm_y = Channel("SINEG01-DBPM340:Y1")
def CheckI():
def CheckCurrent():
n = 1
while n > 0:
sleep(0.2)
n = caget("SINEG01-MSOL130:I-COMP")
I1 = 20.0
@@ -35,20 +37,20 @@ caput("SINEG01-MCRY180:I-SET", 0.0)
# Disable laser delay
caput("SIN-CVME-TIMAST-TMA:LaserDelayControl", 0)
#Scan using the screen
#r = lscan(I, [cam_x, cam_y], I1, I2, dI, passes = 2, zigzag = True, before_read = CheckI)
#Scan using the BPM
r = lscan(I, [bpm_x, bpm_y], I1, I2, dI, passes = 2, zigzag = True, before_read = CheckI)
# Scan using the screen
#r = lscan(I_set, [I, cam_x, cam_y], I1, I2, dI, passes = 2, zigzag = True, before_read = CheckCurrent)
# Scan using the BPM
r = lscan(I_set, [I, bpm_x, bpm_y], I1, I2, dI, passes = 2, zigzag = True, before_read = CheckCurrent)
# Enable laser delay
caput("SIN-CVME-TIMAST-TMA:LaserDelayControl", 1)
#I take the result of the scan and I do the plots
x = r.getReadable(0)
y = r.getReadable(1)
# take the result of the scan and do the plots
x = r.getReadable(1)
y = r.getReadable(2)
plot(y, xdata=x, title = "CM")
#I save the entry in the logbook
# save the entry in the logbook
msg = str(r)
msg = msg + "\nFile: " + get_context().path
msg = msg + "\n\n" + r.print()

53
script/Alignment/Laser_gun_alignment_dv.py Normal file
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@@ -0,0 +1,53 @@
# Tool to align the laser on the cathode.
# S. Bettoni, A. Gobbo, D. Voulot
# 30/05/2016
from operator import sub
# Procedure:
# switch off all the magnets between the gun solenoid and the screen or BPM used for the measurement
# change the phase of the gun RF
# look at the centroid position (BPM or screen) downstream of the gun.
phi_set = Channel("SINEG01-RSYS:SET-BEAM-PHASE")
phi = Channel("SINEG01-RSYS:GET-BEAM-PHASE")
cam_x, cam_y = ... # some camtool command / channel?
bpm_x = Channel("SINEG01-DBPM340:X1")
bpm_y = Channel("SINEG01-DBPM340:Y1")
phi1 = 20.0
phi2 = 150.0
dphi = 1.0
# Switch off magnets
caput("SINEG01-MCRX120:I-SET", 0.0)
caput("SINEG01-MCRY120:I-SET", 0.0)
caput("SINEG01-MQUA140:I-SET", 0.0)
caput("SINEG01-MQUA150:I-SET", 0.0)
caput("SINEG01-MCRX160:I-SET", 0.0)
caput("SINEG01-MCRY160:I-SET", 0.0)
caput("SINEG01-MCRX180:I-SET", 0.0)
caput("SINEG01-MCRY180:I-SET", 0.0)
# Disable laser delay
caput("SIN-CVME-TIMAST-TMA:LaserDelayControl", 0)
# Scan using the screen
#r = lscan(phi_set, [phi, cam_x, cam_y], phi1, phi2, dphi, passes = 2, zigzag = True, before_read = CheckCurrent)
# Scan using the BPM
r = lscan(phi_set, [phi, bpm_x, bpm_y], phi1, phi2, dphi, passes = 2, zigzag = True, before_read = CheckCurrent)
# Enable laser delay
caput("SIN-CVME-TIMAST-TMA:LaserDelayControl", 1)
# take the result of the scan and do the plots
x = r.getReadable(1)
y = r.getReadable(2)
plot(y, xdata=x, title = "CM")
# save the entry in the logbook
msg = str(r)
msg = msg + "\nFile: " + get_context().path
msg = msg + "\n\n" + r.print()
elog("Gun solenoid current scan", msg , get_plot_snapshots())