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 _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, number=2):
'''
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._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=11)
self.add_parameter('sweeprate_field',
type=types.FloatType,
flags=Instrument.FLAG_GETSET
| Instrument.FLAG_GET_AFTER_SET,
minval=0,
maxval=14)
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()