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voulot_d
2016-05-30 12:15:40 +02:00
parent 170552b991
commit 6324732a21
2 changed files with 37 additions and 19 deletions
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44
script/Alignment/Gun_solenoid_alignment_dv.py
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@@ -1,6 +1,6 @@
#Tool to align the laser on the cathode.
# S. Bettoni, A. Gobbo, D. Voulot
#10/05/2016
#30/05/2016
#Procedure:
@@ -8,25 +8,40 @@
#I change the current of the gun soleoid
#I look at the centroid position (BPM or screen) downstream of the gun.
gun_sol_I = Channel("SINEG01-MSOL130:I-SET")
center_x, center_y = ... # some camtool command or channel?
I = Channel("SINEG01-MSOL130:I-SET")
cam_x, cam_y = ... # some camtool command / channel?
bpm_x = Channel("SINEG01-DBPM340:X1")
bpm_y = Channel("SINEG01-DBPM340:Y1")
start_I = 20
end_I = 150
step_I = 1
def CheckI():
n = 1
while n > 0:
n = caget("SINEG01-MSOL130:I-COMP")
# Enable gun laser
caput("SIN-CVME-TIMAST-TMA:Beam-laser-On", 1)
I1 = 20.0
I2 = 150.0
dI = 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(gun_sol_I, [center_x, center_y], start_I, end_I, step_I, latency = 0.5)
#r = lscan(I, [cam_x, cam_y], I1, I2, dI, passes = 2, zigzag = True, before_read = CheckI)
#Scan using the BPM
#r = lscan(gun_sol_current, [bpm_x, bpm_y], start_I, end_I, step_I, latency = 0.5)
r = lscan(I, [bpm_x, bpm_y], I1, I2, dI, passes = 2, zigzag = True, before_read = CheckI)
# Disable gun laser
caput("SIN-CVME-TIMAST-TMA:Beam-laser-On", 0)
# 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)
@@ -34,4 +49,7 @@ y = r.getReadable(1)
plot(y, xdata=x, title = "CM")
#I 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())