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fixes on small furnace

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This commit is contained in:
zolliker 2025-04-08 17:12:00 +02:00
parent ad76a5d752
commit 6a2aece383
6 changed files with 293 additions and 22 deletions
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100
cfg/fi2_cfg.py Normal file
View File

@ -0,0 +1,100 @@
Node('fi2.psi.ch',
'vacuum furnace ILL Type',
'tcp://5000',
)
Mod('htr_io',
'frappy_psi.tdkpower.IO',
'powersupply communicator',
uri = 'serial:///dev/ttyUSB0',
)
Mod('htr',
'frappy_psi.tdkpower.Power',
'heater power',
io= 'htr_io',
)
Mod('out',
'frappy_psi.tdkpower.Output',
'heater output',
io = 'htr_io',
maxvolt = 5,
maxcurrent = 25,
)
Mod('relais',
'frappy_psi.ionopimax.DigitalOutput',
'relais for power output',
addr = 'o2',
)
Mod('T_main',
'frappy_psi.ionopimax.CurrentInput',
'sample temperature',
addr = 'ai4',
valuerange = (0, 1372),
value = Param(unit='degC'),
)
Mod('T_extra',
'frappy_psi.ionopimax.CurrentInput',
'extra temperature',
addr = 'ai3',
valuerange = (0, 1372),
value = Param(unit='degC'),
)
Mod('T_htr',
'frappy_psi.ionopimax.CurrentInput',
'heater temperature',
addr = 'ai2',
valuerange = (0, 1372),
value = Param(unit='degC'),
)
Mod('T_wall',
'frappy_psi.ionopimax.VoltageInput',
'furnace wall temperature',
addr = 'av2',
rawrange = (0, 1.5),
valuerange = (0, 150),
value = Param(unit='degC'),
)
Mod('T',
'frappy_psi.picontrol.PI',
'controlled Temperature',
input = 'T_htr',
output = 'out',
relais = 'relais',
p = 2,
i = 0.01,
)
Mod('interlocks',
'frappy_psi.furnace.Interlocks',
'interlock parameters',
input = 'T_htr',
wall_T = 'T_wall',
vacuum = 'p',
relais = 'relais',
control = 'T',
wall_limit = 50,
vacuum_limit = 0.1,
)
Mod('p_io',
'frappy_psi.pfeiffer.IO',
'pressure io',
uri='serial:///dev/ttyUSBlower',
)
Mod('p',
'frappy_psi.pfeiffer.Pressure',
'pressure reading',
io = 'p_io',
)

130
cfg/fs_cfg.py Normal file
View File

@ -0,0 +1,130 @@
Node('fs.psi.ch',
'small vacuum furnace',
'tcp://5000',
)
Mod('T',
'frappy_psi.picontrol.PI2',
'controlled Temperature on sample (2nd loop)',
input = 'T_sample',
output = 'T_reg',
relais = 'relais',
p = 1.2,
i = 0.005,
)
Mod('T_reg',
'frappy_psi.picontrol.PI',
'controlled Temperature on heater',
input = 'T_htr',
output = 't_out',
relais = 'relais',
p = 1,
i = 0.003,
)
Mod('p_reg',
'frappy_psi.picontrol.PI',
'controlled pressure',
input = 'p',
output = 'p_out',
relais = 'relais',
p = 1,
i = 0.005,
)
Mod('T_htr',
'frappy_psi.ionopimax.CurrentInput',
'heater temperature',
addr = 'ai4',
valuerange = (0, 1372),
value = Param(unit='degC'),
)
Mod('T_sample',
'frappy_psi.ionopimax.CurrentInput',
'sample temperature',
addr = 'ai3',
valuerange = (0, 1372),
value = Param(unit='degC'),
)
Mod('T_extra',
'frappy_psi.ionopimax.CurrentInput',
'extra temperature',
addr = 'ai2',
valuerange = (0, 1372),
value = Param(unit='degC'),
)
Mod('T_wall',
'frappy_psi.ionopimax.VoltageInput',
'furnace wall temperature',
addr = 'av2',
rawrange = (0, 1.5),
valuerange = (0, 150),
value = Param(unit='degC'),
)
Mod('htr_io',
'frappy_psi.bkpower.IO',
'powersupply communicator',
uri = 'serial:///dev/ttyUSBupper',
)
Mod('htr',
'frappy_psi.bkpower.Power',
'heater power',
io= 'htr_io',
)
Mod('t_out',
'frappy_psi.bkpower.Output',
'heater output',
p_value = 'p_out',
io = 'htr_io',
maxvolt = 50,
maxcurrent = 2,
)
Mod('relais',
'frappy_psi.ionopimax.DigitalOutput',
'relais for power output',
addr = 'o2',
)
Mod('interlocks',
'frappy_psi.furnace.Interlocks',
'interlock parameters',
input = 'T_htr',
wall_T = 'T_wall',
htr_T = 'T_htr',
main_T = 'T_sample',
extra_T = 'T_extra',
vacuum = 'p',
relais = 'relais',
control = 'T',
wall_limit = 100,
vacuum_limit = 0.1,
)
Mod('p',
'frappy_psi.ionopimax.LogVoltageInput',
'pressure reading',
addr = 'av1',
rawrange = (1.82, 8.6),
valuerange = (5e-9, 1000),
value = Param(unit='mbar'),
)
Mod('vso',
'frappy_psi.ionopimax.VoltagePower',
'voltage power output',
target = 24,
export = False,
)

13
cfg/vf_cfg.py
View File

@ -88,16 +88,13 @@ Mod('interlocks',
vacuum_limit = 0.1,
)
Mod('p_io',
'frappy_psi.pfeiffer.IO',
'pressure io',
uri='serial:///dev/ttyUSBlower',
)
Mod('p',
'frappy_psi.pfeiffer.Pressure',
'frappy_psi.ionopimax.LogVoltageInput',
'pressure reading',
io = 'p_io',
addr = 'av1',
rawrange = (1.8, 8.6),
valuerange = (1e-7, 1000),
value = Param(unit='mbar'),
)

9
frappy_psi/bkpower.py
View File

@ -66,8 +66,9 @@ class Power(HasIO, Readable):
class Output(HasIO, Writable):
value = Parameter(datatype=FloatRange(0,100,unit='%'))
value = Parameter(datatype=FloatRange(0,100,unit='%'), default=0)
target = Parameter(datatype=FloatRange(0,100,unit='%'))
p_value = Parameter(datatype=FloatRange(0,100,unit='%'), default=0)
maxvolt = Parameter('voltage at 100%',datatype=FloatRange(0,60,unit='V'),default=50,readonly=False)
maxcurrent = Parameter('current at 100%',datatype=FloatRange(0,5,unit='A'),default=2,readonly=False)
output_enable = Parameter('control on/off', BoolType(), readonly=False)
@ -78,8 +79,10 @@ class Output(HasIO, Writable):
def write_target(self, target):
self.write_output_enable(target != 0)
self.communicate(f'VOLT{round(max(8,target*self.maxvolt/10)):03d}')
self.communicate(f'CURR{round(target*self.maxcurrent):03d}')
self.communicate(f'VOLT{round(max(8,(target)**0.5 * self.maxvolt)):03d}')
self.communicate(f'CURR{round((target)**0.5* 10 * self.maxcurrent):03d}')
#self.communicate(f'VOLT{round(max(8,target*self.maxvolt/10)):03d}')
#self.communicate(f'CURR{round(target*self.maxcurrent):03d}')
self.value = target
def write_output_enable(self, value):

42
frappy_psi/furnace.py
View File

@ -27,25 +27,51 @@ from frappy_psi.picontrol import PImixin
class Interlocks(Module):
input = Attached(Readable, 'the input module')
vacuum = Attached (Readable, 'the vacuum pressure')
wall_T = Attached (Readable, 'the wall temperature')
vacuum = Attached(Readable, 'the vacuum pressure')
wall_T = Attached(Readable, 'the wall temperature')
htr_T = Attached(Readable, 'the heater temperature')
main_T = Attached(Readable, 'the main temperature')
extra_T = Attached(Readable, 'the extra temperature')
control = Attached(Module, 'the control module')
relais = Attached(Writable, 'the interlock relais')
wall_limit = Parameter('maximum wall temperature', FloatRange(0, unit='degC'),
default = 50, readonly = False)
vacuum_limit = Parameter('maximum vacuum pressure', FloatRange(0, unit='mbar'),
default = 0.1, readonly = False)
htr_T_limit = Parameter('maximum htr temperature', FloatRange(0, unit='degC'),
default = 530, readonly = False)
main_T_limit = Parameter('maximum main temperature', FloatRange(0, unit='degC'),
default = 530, readonly = False)
extra_T_limit = Parameter('maximum extra temperature', FloatRange(0, unit='degC'),
default = 530, readonly = False)
def initModule(self):
super().initModule()
self._sensor_checks = [
(self.wall_T, 'wall_limit'),
(self.main_T, 'main_T_limit'),
(self.extra_T, 'extra_T_limit'),
(self.htr_T, 'htr_T_limit'),
(self.vacuum, 'vacuum_limit'),
]
def doPoll(self):
# TODO: check channels are valid
super().doPoll()
newstatus = None
if self.input.status[0] >= ERROR:
self.control.status = self.input.status
elif self.vacuum.value > self.vacuum_limit:
self.control.status = ERROR, 'bad vacuum'
elif self.wall_T.value > self.wall_limit:
self.control.status = ERROR, 'wall overheat'
newstatus = self.input.status
else:
for sensor, limitname in self._sensor_checks:
if sensor.value > getattr(self, limitname):
newstatus = f'above {sensor.name} limit'
break
if sensor.status[0] >= ERROR:
newstatus = f'error at {sensor.name}: {sensor.status[1]}'
return
self.control.status = newstatus
if self.control.control_active:
self.log.error('switch control off %r', self.control.status)
self.control.write_control_active(False)
self.relais.write_target(False)

21
frappy_psi/ionopimax.py
View File

@ -22,7 +22,7 @@ import os
from glob import glob
from frappy.core import Readable, Writable, Parameter, BoolType, StringType,\
FloatRange, Property, TupleOf, ERROR, IDLE
from frappy.errors import ConfigError
from frappy.errors import ConfigError, OutOfRangeError
from math import log
basepaths = '/sys/class/ionopimax', '/sys/class/ionopi'
@ -121,8 +121,8 @@ class CurrentInput(AnalogInput):
result = super().read_value()
if self.x > 0.021:
self.status = ERROR, 'sensor broken'
else:
self.status = IDLE, ''
raise OutOfRangeError('sensor broken')
self.status = IDLE, ''
return result
@ -146,3 +146,18 @@ class VoltageOutput(AnalogOutput):
self.write(f'{self.addr}_mode', 'V')
self.write(f'{self.addr}', '0')
self.write(f'{self.addr}_enabled', '1')
class VoltagePower(Base, Writable):
devclass = 'power_out'
target = Parameter(datatype=FloatRange(0, 24.5, unit='V'), default=12)
addr = 'vso'
def write_target(self, value):
if value:
self.write(self.addr, value, 1000)
self.write(f'{self.addr}_enabled', 1)
else:
self.write(f'{self.addr}_enabled', 0)