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driver/cryocon26 #462

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merged 3 commits into from
May 4, 2017
Merged

driver/cryocon26 #462

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daa1cb7
initial commit of cryocon 26 driver
Rubenknex Jan 23, 2017
83e611d
fix: units -> unit
Rubenknex Feb 18, 2017
66f8274
Merge branch 'master' into driver/cryocon26
jenshnielsen May 4, 2017
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153 changes: 153 additions & 0 deletions qcodes/instrument_drivers/cryocon/cryocon_26.py
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Original file line number Diff line number Diff line change
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from qcodes import VisaInstrument
from qcodes.utils.validators import Numbers, Enum, Ints


class Cryocon_26(VisaInstrument):
"""
Driver for the Cryo-con Model 26 temperature controller.
"""
def __init__(self, name, address, reset=False, **kwargs):
super().__init__(name, address, terminator='\n', **kwargs)

on_off_map = {True: 'ON', False: 'OFF'}

for channel in ['A', 'B', 'C', 'D']:
c = 'ch{}_'.format(channel)

self.add_parameter(c + 'temperature',
get_cmd='input? {}'.format(channel),
get_parser=float)

self.add_parameter(c + 'units',
get_cmd='input {}:units?'.format(channel),
get_parser=str.upper,
set_cmd='input {}:units {{}}'.format(channel),
vals=Enum('K', 'C', 'F', 'S'))

self.add_parameter(c + 'sensor',
get_cmd='input {}:sensor?'.format(channel),
get_parser=int,
set_cmd='input {}:sensor {{}}'.format(channel),
vals=Ints(0))

self.add_parameter(c + 'sensor_power',
get_cmd='input {}:sensp {{}}'.format(channel),
get_parser=float)

self.add_parameter(c + 'min',
get_cmd='input? {}:min'.format(channel),
get_parser=float)

self.add_parameter(c + 'max',
get_cmd='input? {}:max'.format(channel),
get_parser=float)

self.add_parameter(c + 'variance',
get_cmd='input? {}:variance'.format(channel),
get_parser=float)

self.add_parameter(c + 'slope',
get_cmd='input? {}:slope'.format(channel),
get_parser=float)

self.add_parameter(c + 'offset',
get_cmd='input? {}:offset'.format(channel),
get_parser=float)

self.add_function('stop_control_loops', call_cmd='stop')
self.add_function('start_control_loops', call_cmd='control')

# TODO: check case of returned strings
self.add_parameter('control_enabled',
get_cmd='control?',
val_mapping=on_off_map)

for loop in [1, 2, 3, 4]:
l = 'loop{}_'.format(loop)

self.add_parameter(l + 'source',
get_cmd='loop {}:source?'.format(loop),
get_parser=str.upper,
set_cmd='loop {}:source {{}}'.format(loop),
vals=Enum('A', 'B', 'C', 'D'))

self.add_parameter(l + 'setpoint',
get_cmd='loop {}:setpt?'.format(loop),
get_parser=float,
set_cmd='loop {}:setpt {{}}'.format(loop),
vals=Numbers())

self.add_parameter(l + 'type',
get_cmd='loop {}:type?',
set_cmd='loop {}:type {{}}'.format(loop),
val_mapping={'off': 'OFF',
'manual': 'MAN',
'PID': 'PID',
'table': 'TABLE',
'ramp': 'RAMPP'})

mapping = {'high': 'HI', 'medium': 'MID', 'low': 'LOW'}

if loop == 1:
mapping['100W'] = '100W'

self.add_parameter(l + 'range',
get_cmd='loop {}:range?',
set_cmd='loop {}:range {{}}'.format(loop),
val_mapping=mapping)

self.add_parameter(l + 'is_ramping',
get_cmd='loop {}:ramp?',
val_mapping=on_off_map)

self.add_parameter(l + 'ramp_rate',
get_cmd='loop {}:rate?'.format(loop),
get_parser=float,
set_cmd='loop {}:rate {{}}'.format(loop),
vals=Numbers(0, 100),
unit='units/min')

self.add_parameter(l + 'P',
get_cmd='loop {}:pgain?'.format(loop),
get_parser=float,
set_cmd='loop {}:pgain {{}}'.format(loop),
vals=Numbers(0, 1000),
unit='-')

self.add_parameter(l + 'I',
get_cmd='loop {}:igain?'.format(loop),
get_parser=float,
set_cmd='loop {}:igain {{}}'.format(loop),
vals=Numbers(0, 1000),
unit='s')

self.add_parameter(l + 'D',
get_cmd='loop {}:dgain?'.format(loop),
get_parser=float,
set_cmd='loop {}:dgain {{}}'.format(loop),
vals=Numbers(0, 1000),
unit='1/s')

self.add_parameter(l + 'manual_power',
get_cmd='loop {}:pman?',
get_parser=float,
set_cmd='loop {}:pman {{}}'.format(loop),
vals=Numbers(0, 100),
unit='%')

self.add_parameter(l + 'output_power',
get_cmd='loop {}:outp?',
get_parser=float,
unit='%')

self.add_parameter(l + 'read_heater',
get_cmd='loop {}:htrread?',
get_parser=float,
unit='%')

self.add_parameter(l + 'max_power',
get_cmd='loop {}:maxp?',
get_parser=float,
set_cmd='loop {}:maxp {{}}'.format(loop),
vals=Numbers(0, 100),
unit='%')