rtan/CryostatB-FieldMeasurementScript
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min_range_list in b rotation added

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Ryan Tan 2024-08-22 10:47:10 +02:00
parent 082f99aa0d
commit 4881f4de3d
1 changed files with 71 additions and 8 deletions
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77
20240709SerdarModScript.py
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@ -303,7 +303,7 @@ def sep_num_from_units(powerbox_output :str)->list:
else:
return [powerbox_output,]
def query_no_echo(instr:pyvisa.resources.Resource, command:str, sleeptime=0.01)->str:
def query_no_echo(instr:pyvisa.resources.Resource, command:str, sleeptime=0)->str:
"""helper function for the Attocube APS100 that queries a function to the device, removing the echo.
Args:
@ -327,7 +327,7 @@ def query_no_echo(instr:pyvisa.resources.Resource, command:str, sleeptime=0.01)-
print(f"Error communicating with instrument: {e}")
return None
def write_no_echo(instr:pyvisa.resources.Resource, command:str, sleeptime=0.01)->str:
def write_no_echo(instr:pyvisa.resources.Resource, command:str, sleeptime=0)->str:
"""helper function for the Attocube APS100 that writes a function to the device, removing the echo.
Args:
@ -572,11 +572,60 @@ def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float,
wl = np.array(loaded_files.wavelength)
np.savetxt("Wavelength.txt", wl)
# TODO: write a function that simultaneously controls the two power supplies and perform the rotation of the B-field. => Threading
# in function head should be func(instr1, instr2, args1, kwargs1, args2, kwargs2)
def b_field_rotation(instr1:pyvisa.resources.Resource, instr2:pyvisa.resources.Resource,
Babs:float, startangle:float, endangle:float, angle_stepsize:float, clockwise=True, sweepdown=False)->None:
Babs:float, startangle:float, endangle:float, angle_stepsize:float, path_save:str, base_file_name:str, anticlockwise=True, sweepdown=False)->None:
"""_summary_
Args:
instr1 (pyvisa.resources.Resource): _description_
instr2 (pyvisa.resources.Resource): _description_
Babs (float): absolute B-field value in T
startangle (float): _description_
endangle (float): _description_
angle_stepsize (float): _description_
anticlockwise (bool, optional): _description_. Defaults to True.
sweepdown (bool, optional): _description_. Defaults to False.
"""
if path_save is None:
path_save = datetime.datetime.now().strftime("%Y_%m_%d_%H%M_hrs_") # TODO: add path_save, base_file_name in the function header
if base_file_name =='':
base_file_name = datetime.datetime.now().strftime('%Y_%m_%d_%H.%M')
start_time = time.time() # start of the scan function
idnstr1 = query_no_echo(instr1, '*IDN?')
idnstr2 = query_no_echo(instr1, '*IDN?')
# TODO: find which one is the dual power supply, then, ramp B_x to Babs value
if '2301034' in idnstr1: # serial no. the dual power supply
pass
elif '2101034' in idnstr2:
# swap instruments, instr 1 to be the dual power supply
instr1, instr2 = instr2, instr1
# TODO: compare which device has the lower rates, save initial rates lists, then set both devices to the lower rates for each range
# then, set the initial values back
# list of rates (with units) for diff ranges of each device, only up to Range 1 for single power supply as that is already
# the max recommended current.
init_range_lst1 = list(sep_num_from_units(el) for el in query_no_echo(instr1, 'RATE? 0;RATE? 1;RATE? 2').split(';'))
init_range_lst2 = list(sep_num_from_units(el) for el in query_no_echo(instr2, 'RATE? 0;RATE? 1').split(';'))
min_range_lst = [min(el1[0], el2[0]) for el1,el2 in zip(init_range_lst1, init_range_lst2)] # min rates for each given range
write_no_echo(instr1, f'RATE 0 {min_range_lst[0]};RATE 1 {min_range_lst[1]}')
write_no_echo(instr2, f'RATE 0 {min_range_lst[0]};RATE 1 {min_range_lst[1]}')
# TODO: check the device rates and ranges in the lab tmrw or friday
write_no_echo(instr1, f'CHAN 2;ULIM {Babs*10};SWEEP UP') # sets to B_x, the B_x upper limit and sweeps the magnet field to the upper limit
# TODO: include the functionalities located in the function above, update function header with the new parameters of path_save, base_file_name
################################################################# END OF FUNCTION DEFS ###########################################################################################
@ -584,17 +633,29 @@ def b_field_rotation(instr1:pyvisa.resources.Resource, instr2:pyvisa.resources.R
# Initialise PYVISA ResourceManager
rm = pyvisa.ResourceManager()
# print(rm.list_resources()) # 'ASRL8::INSTR' for dual power supply, 'ASRL9::INSTR' for single power supply
# print(rm.list_resources())
# 'ASRL8::INSTR' for dual power supply, 'ASRL9::INSTR' for single power supply (online PC)
# 'ASRL10::INSTR' for dual power supply, 'ASRL12::INSTR' for single power supply (offline PC)
# Open the connection with the APS100 dual power supply
powerbox_dualsupply = rm.open_resource('ASRL8::INSTR',
baud_rate=9600, # Example baud rate, adjust as needed
powerbox_dualsupply = rm.open_resource('ASRL10::INSTR',
baud_rate=9600,
data_bits=8,
parity= pyvisa.constants.Parity.none,
stop_bits= pyvisa.constants.StopBits.one,
timeout=5000)# 5000 ms timeout
timeout=100)# 5000 ms timeout
# Open the connection with the APS100 dual power supply
powerbox_singlesupply = rm.open_resource('ASRL12::INSTR',
baud_rate=9600,
data_bits=8,
parity= pyvisa.constants.Parity.none,
stop_bits= pyvisa.constants.StopBits.one,
timeout=100)# 5000 ms timeout
write_no_echo(powerbox_dualsupply, 'REMOTE') # turn on the remote mode
write_no_echo(powerbox_singlesupply, 'REMOTE') # turn on the remote mode
# TODO: test functionality of the magnet_coil param later on, should work... as this code below is basically implemented inside the scan func.
# select axis for the dual supply, either z-axis(CHAN 1 ^= Supply A) or x-axis(CHAN 2 ^= Supply B)
@ -644,5 +705,7 @@ sweep_b_val(powerbox_dualsupply, set_llim_bval, set_ulim_bval, set_res_bval, 'z-
# Internally, axes are numbered 0 to 2
write_no_echo(powerbox_dualsupply, 'LOCAL') # turn off the remote mode
write_no_echo(powerbox_singlesupply, 'LOCAL') # turn off the remote mode
# time.sleep(0.5)
powerbox_dualsupply.close()
powerbox_singlesupply.close()