def __init__(self, name, address):
'''
Input:
name (string) : name of the instrument
address (string) : instrument (serial port) address
Output:
None
'''
logging.debug(__name__ + ' : Initializing instrument')
Instrument.__init__(self, name, tags=['physical'])
self._address = address
self._visainstrument = visa.SerialInstrument(self._address, delay = 30e-3)
self._values = {}
self._visainstrument.stop_bits = 1
self.reset()
#Add parameters
self.add_parameter('b_raw', type=types.IntType,
flags=Instrument.FLAG_GET)
self.add_parameter('counts', type=types.IntType,
flags=Instrument.FLAG_GETSET)
# Add functions
self.add_function('get_all')
self.get_all()
def __init__(self, name, address, number=5):
'''
Initializes the Oxford Instruments Kelvinox IGH Dilution Refrigerator.
Input:
name (string) : name of the instrument
address (string) : instrument address
number (int) : ISOBUS instrument number
Output:
None
'''
logging.debug(__name__ + ' : Initializing instrument')
Instrument.__init__(self, name, tags=['physical'])
self._address = address
self._number = number
self._visainstrument = visa.SerialInstrument(self._address)
self._values = {}
self._visainstrument.stop_bits = 2
#Add parameters
self.add_parameter('1K_pot_temp',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('mix_chamber_temp',
type=types.FloatType,
flags=Instrument.FLAG_GET)
# Add functions
self.add_function('get_all')
self.get_all()
def __init__(self, name, address, number=1):
'''
Initializes the Oxford Instruments ILM 200 Helium Level Meter.
Input:
name (string) : name of the instrument
address (string) : instrument address
number (int) : ISOBUS instrument number
Output:
None
'''
logging.debug(__name__ + ' : Initializing instrument')
Instrument.__init__(self, name, tags=['physical'])
self._address = address
self._number = number
self._visainstrument = visa.SerialInstrument(self._address)
self._values = {}
self._visainstrument.stop_bits = 2
#Add parameters
self.add_parameter('level',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('status',
type=types.StringType,
flags=Instrument.FLAG_GET)
# Add functions
self.add_function('get_all')
self.get_all()
def _open_serial_connection(self):
logging.debug(__name__ + ' : Opening serial connection')
self._visa = visa.SerialInstrument(self._address,
baud_rate=9600,
data_bits=8,
stop_bits=1,
parity=visa.no_parity,
term_chars="",
send_end=False)
def __init__(self, name, address):
'''
Initializes the Oxford Instruments IPS 120 Magnet Power Supply.
Input:
name (string) : name of the instrument
address (string) : instrument address
number (int) : ISOBUS instrument number
Output:
None
'''
logging.debug(__name__ + ' : Initializing instrument')
Instrument.__init__(self, name, tags=['physical'])
self._address = address
self._visainstrument = visa.SerialInstrument(self._address)
#Add parameters
self.add_parameter('field',
flags=Instrument.FLAG_GET,
type=types.FloatType,
units='T',
tags=['measure']
)
self.add_parameter('voltage',
flags=Instrument.FLAG_GET,
type=types.FloatType,
units='V',
tags=['measure']
)
self.add_parameter('ramp_rate',
flags=Instrument.FLAG_GETSET,
type=types.FloatType,
units='A/SEC',
tags=['measure']
)
self.add_parameter('mid_setpoint',
flags=Instrument.FLAG_GETSET,
type=types.FloatType,
units='T',
tags=['measure']
)
self.add_parameter('max_setpoint',
flags=Instrument.FLAG_GETSET,
type=types.FloatType,
units='T',
tags=['measure']
)
# Add functions
self.add_function('get_all')
self.get_all()
def InitializeSerial(name, idn="*IDN?", **kwargs):
try:
SerialVisa = visa.SerialInstrument(name)
for kw in kwargs.keys():
tmp = "".join(("SerialVisa.", kw, "=\"", kwargs[kw], "\""))
exec(tmp)
print SerialVisa.ask(idn)
except Exception:
print "Failed opening serial port %s\n" % name
SerialVisa = None
return SerialVisa
def _open_serial_connection(self):
'''
Opens the ASRL connection using vpp43
baud=9600, databits=8, stop=one, parity=none, no end char for reads
Input:
None
Output:
None
'''
logging.debug(__name__ + ' : Opening serial connection')
self._visa = visa.SerialInstrument(self._address,
baud_rate=9600,
data_bits=8,
stop_bits=1,
parity=visa.no_parity,
term_chars="",
send_end=False,
chunk_size=8)
vpp43.set_attribute(self._visa.vi, vpp43.VI_ATTR_ASRL_END_IN,
vpp43.VI_ASRL_END_NONE)
def __init__(self, name, address, reset=False):
Instrument.__init__(self, name, tags=['physical'])
# Set parameters
self._address = address
# Add functions
self.add_function('reset')
self.add_function('get_all')
# self.add_function('optimize_LBO')
# self.add_function('optimize_diodes')
self.add_parameter('tgt_power',
type=types.FloatType,
units='W',
format='%.04f',
flags=Instrument.FLAG_GETSET)
self.add_parameter('output_power',
type=types.FloatType,
units='W',
format='%.03f',
flags=Instrument.FLAG_GET)
self.add_parameter('shutter',
type=types.IntType,
format_map={
0: 'Closed',
1: 'Open'
},
flags=Instrument.FLAG_GETSET)
self.add_parameter('mode',
type=types.IntType,
format_map={
1: 'Light',
0: 'Current'
},
flags=Instrument.FLAG_GET)
self.add_parameter('current',
type=types.FloatType,
units='A',
format='%.01f',
flags=Instrument.FLAG_GET)
self.add_parameter('Tbaseplate',
type=types.FloatType,
units='C',
format='%.02f',
flags=Instrument.FLAG_GET)
self.add_parameter('Tetalon',
type=types.FloatType,
units='C',
format='%.02f',
flags=Instrument.FLAG_GET)
self.add_parameter('TLBO',
type=types.FloatType,
units='C',
format='%.02f',
flags=Instrument.FLAG_GET)
self.add_parameter('Tdiode',
type=types.FloatType,
units='C',
format='%.02f',
flags=Instrument.FLAG_GET,
channels=(1, 2))
self.add_parameter('THSdiode',
type=types.FloatType,
units='C',
format='%.02f',
flags=Instrument.FLAG_GET,
channels=(1, 2))
self.add_parameter('Idiode',
type=types.FloatType,
units='A',
format='%.01f',
flags=Instrument.FLAG_GET,
channels=(1, 2))
self.add_parameter('Tvanadate',
type=types.FloatType,
units='C',
format='%.02f',
flags=Instrument.FLAG_GET,
channels=(1, 2))
self.add_parameter('PCdiode',
type=types.FloatType,
units='W',
format='%.02f',
flags=Instrument.FLAG_GET,
channels=(1, 2))
self._visa = visa.SerialInstrument(address,
data_bits=8,
stop_bits=1,
parity=0,
baud_rate=19200,
term_chars='\r\n')
if reset:
self.reset()
else:
self.get_all()
def __init__(self, name, address, number=2):
'''
Initializes the Oxford Instruments IPS 120 Magnet Power Supply. Maximum
Input:
name (string) : name of the instrument
address (string) : instrument address
number (int) : ISOBUS instrument number
Output:
None
'''
logging.debug(__name__ + ' : Initializing instrument')
Instrument.__init__(self, name, tags=['physical'])
self._address = address
self._number = number
self._visainstrument = visa.SerialInstrument(self._address)
self._values = {}
self._visainstrument.stop_bits = 2
#Add parameters
self.add_parameter('mode',
type=types.IntType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
format_map={
0: "Amps, Magnet sweep: fast",
1: "Tesla, Magnet sweep: fast",
4: "Amps, Magnet sweep: slow",
5: "Tesla, Magnet sweep: slow",
8: "Amps, (Magnet sweep: unaffected)",
9: "Tesla, (Magnet sweep: unaffected)"
})
self.add_parameter('mode2',
type=types.IntType,
flags=Instrument.FLAG_GET,
format_map={
0: "At rest",
1: "Sweeping",
2: "Sweep limiting",
3: "Sweeping & sweep limiting"
})
self.add_parameter('activity',
type=types.IntType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
format_map={
0: "Hold",
1: "To set point",
2: "To zero",
4: "Clamped"
})
self.add_parameter(
'switch_heater',
type=types.IntType,
flags=Instrument.FLAG_GETSET | Instrument.FLAG_GET_AFTER_SET,
format_map={
0: "Off magnet at zero (switch closed)",
1: "On (switch open)",
2: "Off magnet at field (switch closed)",
5: "Heater fault (heater is on but current is low)",
8: "No switch fitted"
})
self.add_parameter('polarity',
type=types.StringType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET)
self.add_parameter('field_setpoint',
type=types.FloatType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
minval=0,
maxval=10)
self.add_parameter('sweeprate_field',
type=types.FloatType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
minval=0,
maxval=1)
self.add_parameter('current_setpoint',
type=types.FloatType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
minval=-90.93,
maxval=90.93)
self.add_parameter('sweeprate_current',
type=types.FloatType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
minval=0,
maxval=240)
self.add_parameter('remote_status',
type=types.IntType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
format_map={
0: "Local and locked",
1: "Remote and locked",
2: "Local and unlocked",
3: "Remote and unlocked",
4: "Auto-run-down",
5: "Auto-run-down",
6: "Auto-run-down",
7: "Auto-run-down"
})
self.add_parameter('system_status',
type=types.IntType,
flags=Instrument.FLAG_GET,
format_map={
0: "Normal",
1: "Quenched",
2: "Over Heated",
4: "Warming Up",
8: "Fault"
})
self.add_parameter('system_status2',
type=types.IntType,
flags=Instrument.FLAG_GET,
format_map={
0: "Normal",
1: "On positive voltage limit",
2: "On negative voltage limit",
4: "Outside negative current limit",
8: "Outside positive current limit"
})
self.add_parameter('current',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('voltage',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('magnet_current',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('field',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('voltage_limit',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('persistent_current',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('trip_current',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('persistent_field',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('trip_field',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('heater_current',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('current_limit_upper',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('current_limit_lower',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('lead_resistance',
type=types.FloatType,
flags=Instrument.FLAG_GET)
self.add_parameter('magnet_inductance',
type=types.FloatType,
flags=Instrument.FLAG_GET)
# Add functions
self.add_function('get_all')
self.get_all()
def _reset_controller(self): #(ref:fh-internal-fn-enable)
self.motor_ctrl = visa.SerialInstrument(param.FH_CONST.PORT)
self.motor_ctrl.baud_rate = param.FH_CONST.BAUD_RATE
