106 lines
4.3 KiB
Python
Executable File
106 lines
4.3 KiB
Python
Executable File
#Parameters
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B1 = 10 # starting mag. field in Amps
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B2 = -B1 # final mag. field in Amps
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T1=150 # starting temperature in K
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T2=200 # final temperature in K
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TSTEP=10 # Temperature step size
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ENERGIES = (708.5,705) #list of energies in eV
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OFFSET1 = -9 #ID1 offset
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OFFSET2 = -8 #ID2 offset
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FIELD_PRECISION = 0.05 # in Amps
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ENERGY_CHANGE_SLEEP = 0.1 # put the Enerrgy settling time if needed
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FIELD_CHANGE_SLEEP = 0.1 # put the Field settling time if needed
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TEMP_CHANGE_SLEEP = 10.0 # put the Temperature settling time if needed
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ACC_TIME = 150.0 # accumulation time s
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# List of scans.
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STEPS =frange(T1, T2, TSTEP, True)
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#Pre-actions
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# Here offsets are set
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caput ("X11PHS-E:OPT","PGM+ID2")
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#caput(OTF_OFF1,-50) #detune ID1
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caput(OTF_OFF2,OFFSET2)
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wait_channel(OTF_DONE, 1, type = 'i')
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#cawait("X11MA-PHS:ALL-DONE",1.0)
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wait_channel(OTF_DONE, 1, type = 'i')
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# setting number of samples to be averaged, which depends on the accumulation time
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avg = ACC_TIME * 10
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caputq("X11MA-ES1-10ADC:AVG",avg)
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# plot properties
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set_preference(Preference.ENABLED_PLOTS, ['field', 'tey_norm'])
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set_preference(Preference.PLOT_TYPES, {'tey_norm':1})
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#scan = ManualScan(['field', 'Energy'], ['TEY', 'I0', 'polarization', 'temperature', 'RingCurrent', 'tey_norm'] , [min(setpoints), min(ENERGIES)], [max(setpoints), max(ENERGIES)], [len(setpoints)-1, len(ENERGIES)-1])
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scan = ManualScan(['field', 'Energy','Temperature'], ['I0', 'TEY', 'TFY', 'polarization', 'temperature', 'RingCurrent', 'tey_norm','tfy_norm'] , [min([B1,B2]), min(ENERGIES),min(STEPS)], [max([B1,B2]), max(ENERGIES),max(STEPS)], [1, len(ENERGIES)-1, len(STEPS)-1])
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scan.start()
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# Main loop
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for T in STEPS:
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# set Temperature
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caputq(OTF_MODE2,1) # already set the polarization
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caput("X11MA-XMCD:I-SETraw",B1)# warm in B1
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caput('X11MA-ES3-LSCI:TEMP.VAL',T)
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# while not caget('X11MA-ES3-LSCI:TEMP-STAT'):
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#time.sleep(5)
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time.sleep( TEMP_CHANGE_SLEEP ) # Settling time
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#Mode loop:
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for MODE in [1,2]: #polarization (CIRC+ -> 1 or CIRC- -> 2)
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caput(OTF_MODE2,MODE)
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#Field loop
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for B in [B1,B2]:
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print "Setting field = ", B
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caput("X11MA-XMCD:I-SETraw",B)
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time.sleep( FIELD_CHANGE_SLEEP ) # Settling time
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readback1 = caget("X11MA-XMCD:Ireadout")
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while abs(readback1-B) > FIELD_PRECISION:
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readback1 = caget("X11MA-XMCD:Ireadout")
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time.sleep(0.5)
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for E in ENERGIES:
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print "Setting energy = ", E
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caput(OTF_ESET, E)
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wait_channel(OTF_DONE, 1, type = 'i')
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readback2 = energy.read()
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if abs(readback2 - E) > 0.1 : # TODO: Check accuracy
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raise Exception('Energy could not be set to the value ' + str(E))
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sleep( ENERGY_CHANGE_SLEEP ) # Settling time
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caput("X11MA-ES1-10ADC:TRG.PROC",1) # accumulate
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time.sleep( 0.1) # wait a bit more
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detector1 = keithley_1a.read() #Keithley1
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detector2 = keithley_2a.read() #Keithley2
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detector3 = keithley_3a.read() #Keithley3
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detector4 = caget(OTF_MODE2) #polarization in ID2
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#detector5 = caget("X11MA-ID2:ALPHA-READ") # polAngle in ID2
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detector6 = caget('X11MA-ES3-LSCI:TEMP_RBV') #temperature.get()
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detector7 = caget("ARIDI-PCT:CURRENT")
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#detector8 = signal_field_analog_x.read() # fieldAnalogX.get()
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tey_norm = detector2/detector1
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tfy_norm = detector3/detector1
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#converting polarization strings to integer numbers: C+ -> 1 and C- -> 2
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if detector4 == 'CIRC +': detector4 = 1
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elif detector4 == 'CIRC -': detector4 = 2
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else: detector4 = 0
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readback3=caget('X11MA-ES3-LSCI:TEMP_RBV') # read temperature
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#scan.append ([B, E], [readback1, readback2], [detector1, detector2, detector4, detector6, detector7, tey_norm])
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scan.append ([B, E, T], [readback1, readback2, readback3], [detector1, detector2, detector3, detector4, detector6, detector7, tey_norm, tfy_norm])
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scan.end()
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caput("X11MA-ES1-10ADC:AVG",1)
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print "Wake up its done"
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print("Success")
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