# Lucas J. Koerner # 10/2021 # [email protected] # University of St. Thomas from instrbuilder.instrument_opening import open_by_name print('Warning ... The address to the serial adapter \n (E.g. /dev/tty.USA19H141113P1.1) can change ') # GW instek 6300 LCR meter # need to pass in baudrate, reading eol, and writing terminator # using a TrippLite USB to RS-232 lcr = open_by_name(name='gw_lcr', baudrate=115200, eol=b'\n', terminator='') # name within the configuration file (config.yaml) lcr.get('freq') lcr.set('freq', 100e3)
from instrbuilder.instrument_opening import open_by_name
RE = RunEngine({})
db = Broker.named('local_file') # a broker poses queries for saved data sets
# Insert all metadata/data captured into db.
RE.subscribe(db.insert)
# ------------------------------------------------
# Lock-In Amplifier
# ------------------------------------------------
print(
'Warning ... The address to the serial adapter \n (E.g. /dev/tty.USA19H141113P1.1) can change '
)
scpi_lia = open_by_name(
name='srs_lockin') # name within the configuration file (config.yaml)
LIA, component_dict = generate_ophyd_obj(name='LockIn', scpi_obj=scpi_lia)
lia = LIA(name='lockin')
lia.reset.set(0)
RE.md['lock_in'] = lia.id.get()
# setup lock-in
# similar to a stage, but specific to this experiment
test_frequency = 5e6 / 512 / 8
lia.reset.set(None)
lia.fmode.set('Ext')
lia.in_gnd.set('float')
lia.in_config.set('A')
lia.in_couple.set('DC')
lia.freq.set(test_frequency)
lia.sensitivity.set(20e-6) # 20 uV RMS full-scale
print(
' $ python -m pip install git+https://github.com/lucask07/ophyd@master#egg=ophyd'
)
from instrbuilder.instrument_opening import open_by_name
from instrbuilder.instruments import create_ada2200
RE = RunEngine({})
db = Broker.named('local_file') # a broker poses queries for saved data sets
# Insert all metadata/data captured into db.
RE.subscribe(db.insert)
# ------------------------------------------------
# Multimeter
# ------------------------------------------------
scpi_dmm = open_by_name(name='my_multi')
scpi_dmm.name = 'dmm'
DMM, component_dict = generate_ophyd_obj(name='Multimeter', scpi_obj=scpi_dmm)
dmm = DMM(name='multimeter')
# configure for fast burst reads
dmm.volt_autozero_dc.set(0)
dmm.volt_aperture.set(20e-6)
dmm.volt_range_auto_dc.set(0) # turn off auto-range
dmm.volt_range_dc.set(10) # set range
# create an object that returns statistics calculated on the arrays returned by read_buffer
# the name is derived from the parent
# (e.g. lockin and from the signal that returns an array e.g. read_buffer)
dmm_burst_stats = BasicStatistics(name='', array_source=dmm.burst_volt_timer)
dmm_filter_stats = FilterStatistics(name='', array_source=dmm.burst_volt_timer)
# Lucas J. Koerner # 05/2018 # [email protected] # University of St. Thomas ''' Demonstrate the function generator within instrbuilder As an example of the automated testing of the command lists run 'test_all' ''' from instrbuilder.instrument_opening import open_by_name # fg = open_by_name(name='new_function_gen') # name within the configuration file (config.yaml) fg = open_by_name( name='old_fg') # name within the configuration file (config.yaml) fg.set('offset', 0.5) fg.set('load', 'INF') test_results = fg.test_all(skip_commands=[]) fg.set('reset') fg.set('clear_status')
RE = RunEngine({})
bec = BestEffortCallback()
# Send all metadata/data captured to the BestEffortCallback.
# RE.subscribe(bec) # in this demo we will explicitly define LiveTables and Plots
db = Broker.named('local_file') # a broker poses queries for saved data sets
# Insert all metadata/data captured into db.
RE.subscribe(db.insert)
# ------------------------------------------------
# Multimeter
# ------------------------------------------------
scpi_dmm = open_by_name(name='my_multi')
DMM, component_dict = generate_ophyd_obj(name='Multimeter', scpi_obj=scpi_dmm)
dmm = DMM(name='multimeter')
# configure for fast burst reads
dmm.volt_autozero_dc.set(0)
dmm.volt_aperture.set(20e-6)
dmm.volt_range_auto_dc.set(0) # turn off auto-range
dmm.volt_range_dc.set(10) # set range
# create an object that returns statistics calculated on the arrays returned by read_buffer
# the name is derived from the parent
# (e.g. lockin and from the signal that returns an array e.g. read_buffer)
dmm_burst_stats = BasicStatistics(name='', array_source=dmm.burst_volt_timer)
dmm_filter_stats = FilterStatistics(name='', array_source=dmm.burst_volt_timer)
# Lucas J. Koerner # 05/2018 # [email protected] # University of St. Thomas from instrbuilder.instrument_opening import open_by_name dmm = open_by_name( name='my_multi') # name within the configuration file (config.yaml) v = dmm.get('meas_volt', configs={'ac_dc': 'DC'}) print('Measured voltage of {} [V]'.format(v)) dmm.save_hardcopy(filename='test55', filetype='png') # certain commands fail during test_all, not due to communication errors but due to # incompatible configurations """ test_results = dmm.test_all( skip_commands=['fetch', 'reset', 'initialize', 'hardcopy']) """ # Check the trigger source command 'trig_source' print('Test trigger source:') dmm.test_command('trig_source') print('Communication register status: {}'.format( dmm.get('comm_error_details'))) # samples at 1 kHz with the 34465A num_reads = 100 voltage_burst = dmm.burst_volt(reads_per_trigger=num_reads, aperture=200e-6) # trigger count default is 1
# Lucas J. Koerner # 05/2018 # [email protected] # University of St. Thomas from instrbuilder.instrument_opening import open_by_name import time KEYSIGHT = False RIGOL = True if KEYSIGHT: osc = open_by_name( name='msox_scope') # name within the configuration file (config.yaml) osc.set('time_range', 1e-3) osc.set('chan_scale', 0.8, configs={'chan': 1}) osc.set('chan_offset', -0.2, configs={'chan': 1}) osc.set('single_acq') time.sleep(0.1) # save a PNG screen-shot to host computer t = osc.save_display_data('test') if RIGOL: # rigol_ds is the name in my YAML file osc = open_by_name(name='rigol_ds') osc.set('time_range', 1e-3) osc.set('chan_scale', 0.8, configs={'chan': 1})
print(
' $ python -m pip install git+https://github.com/lucask07/ophyd@master#egg=ophyd'
)
from instrbuilder.instrument_opening import open_by_name
RE = RunEngine({})
db = Broker.named('temp') # a broker poses queries for saved data sets
# Insert all metadata/data captured into db.
RE.subscribe(db.insert)
# ------------------------------------------------
# Function Generator
# ------------------------------------------------
fg_scpi = open_by_name(
name='old_fg') # name within the configuration file (config.yaml)
fg_scpi.name = 'fg'
FG, component_dict = generate_ophyd_obj(name='fg', scpi_obj=fg_scpi)
fg = FG(name='fg')
RE.md['fg'] = fg.id.get()
# setup control of the amplitude sweep
fg.v.delay = 0.05
# configure the function generator
fg.reset.set(None) # start fresh
fg.function.set('SIN')
fg.load.set('INF')
fg.freq.set(1000)
fg.v.set(1.6)
fg.offset.set(0)
except ModuleNotFoundError:
print('Ophyd fork is not installed')
print('First, (if needed) uninstall base ophyd:')
print(' $ python -m pip uninstall ophyd')
print('Next, install the fork:')
print(
' $ python -m pip install git+https://github.com/lucask07/ophyd@master#egg=ophyd'
)
from instrbuilder.instrument_opening import open_by_name
from instrbuilder.instruments import create_ada2200
# ------------------------------------------------
# Multimeter
# ------------------------------------------------
scpi_dmm = open_by_name(name='my_multi')
DMM, component_dict = generate_ophyd_obj(name='Multimeter', scpi_obj=scpi_dmm)
dmm = DMM(name='multimeter')
# ------------------------------------------------
# ADA2200 SPI Control with Aardvark
# ------------------------------------------------
ada2200_scpi = create_ada2200()
SPI, component_dict = generate_ophyd_obj(name='ada2200_spi',
scpi_obj=ada2200_scpi)
ada2200 = SPI(name='ada2200')
ada2200.serial_interface.set(0x18) # enables SDO (bit 4,3 = 1)
ada2200.demod_control.set(0x10) # bit 3: 0 = SDO to RCLK
time.sleep(0.1)
# Lucas J. Koerner # 05/2018 # [email protected] # University of St. Thomas from instrbuilder.instrument_opening import open_by_name import time pwr = open_by_name( name='rigol_pwr1') # name within the configuration file (config.yaml) pwr.get('v', configs={'chan': 1}) pwr.get('i', configs={'chan': 1}) pwr.get('v', configs={'chan': 2}) pwr.get('i', configs={'chan': 2}) pwr.set('v', 0.1, configs={'chan': 2}) pwr.set('ovp', 1.5, configs={'chan': 2}) pwr.set('ocp', 0.07, configs={'chan': 2}) pwr.set('out_state', 'ON', configs={'chan': 1}) time.sleep(2) pwr.set('out_state', 'OFF', configs={'chan': 1}) pwr.get('meas_i', configs={'chan': 1}) pwr.get('meas_v', configs={'chan': 1})
# Lucas J. Koerner # 05/2018 # [email protected] # University of St. Thomas from instrbuilder.instrument_opening import open_by_name print( 'Warning ... The address to the serial adapter \n (E.g. /dev/tty.USA19H141113P1.1) can change ' ) lia = open_by_name( name='srs_lockin') # name within the configuration file (config.yaml) print() lia.get('phase') lia.set('phase', 0.1) print() lia.help('phase') print() # A more complex Lock-in Amplifier set; requires input dictionary configs # Set the display to show "R" -- magnitude lia.set(name='ch1_disp', value=1, configs={'ratio': 0}) # Read the value of the display disp_val = lia.get('disp_val') print('Value of the display = {}'.format(disp_val))