add frappy_psi.thermofisher
ThermoScientific A10 bath thermostat Change-Id: I7ce1ac8845ac539ff7cb1fcca84d0abebba61f07 Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/31408 Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de> Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
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188
frappy_psi/thermofisher.py
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188
frappy_psi/thermofisher.py
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# *****************************************************************************
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Module authors:
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# Oksana Shliakhtun <oksana.shliakhtun@psi.ch>
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# Markus Zolliker <markus.zolliker@psi.ch>
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# *****************************************************************************
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"""bath thermostat Thermo Scientific™ ARCTIC A10 Refrigerated Circulators"""
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from frappy.core import Command, StringIO, Parameter, HasIO, \
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Drivable, FloatRange, IDLE, BUSY, ERROR, WARN, BoolType
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from frappy.structparam import StructParam
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from frappy_psi.convergence import HasConvergence
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class ThermFishIO(StringIO):
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end_of_line = '\r'
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identification = [('RVER', r'.*')] # Firmware Version
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class TemperatureLoopA10(HasConvergence, HasIO, Drivable):
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ioClass = ThermFishIO
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value = Parameter('temperature', unit='degC')
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target = Parameter('setpoint/target', datatype=FloatRange, unit='degC', default=0)
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control_active = Parameter('circilation and control is on', BoolType(), default=False)
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ctrlpars = StructParam('control parameters struct', dict(
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p_heat = Parameter('proportional heat parameter', FloatRange()),
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i_heat = Parameter('integral heat parameter', FloatRange()),
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d_heat = Parameter('derivative heat parameter', FloatRange()),
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p_cool = Parameter('proportional cool parameter', FloatRange()),
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i_cool = Parameter('integral cool parameter', FloatRange()),
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d_cool = Parameter('derivative cool parameter', FloatRange()),
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), readonly=False)
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status_messages = [
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(ERROR, 'high tempr. cutout fault', 2, 0),
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(ERROR, 'high RA tempr. fault', 2, 1),
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(ERROR, 'high temperature fixed fault', 3, 7),
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(ERROR, 'low temperature fixed fault', 3, 6),
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(ERROR, 'high temperature fault', 3, 5),
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(ERROR, 'low temperature fault', 3, 4),
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(ERROR, 'low level fault', 3, 3),
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(ERROR, 'circulator fault', 4, 5),
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(ERROR, 'high press. cutout', 5, 2),
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(ERROR, 'motor overloaded', 5, 1),
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(ERROR, 'pump speed fault', 5, 0),
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(WARN, 'open internal sensor', 1, 7),
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(WARN, 'shorted internal sensor', 1, 6),
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(WARN, 'high temperature warn', 3, 2),
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(WARN, 'low temperature warn', 3, 1),
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(WARN, 'low level warn', 3, 0),
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(IDLE, 'max. heating', 5, 5),
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(IDLE, 'heating', 5, 6),
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(IDLE, 'cooling', 5, 4),
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(IDLE, 'max cooling', 5, 3),
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(IDLE, '', 4, 3),
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]
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def get_par(self, cmd):
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"""get parameter and convert to float
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:param cmd: hardware command without the leading 'R'
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:return: result converted to float
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"""
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new_cmd = 'R' + cmd
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reply = self.communicate(new_cmd).strip()
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while reply[-1].isalpha():
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reply = reply[:-1]
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return float(reply)
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def set_par(self, cmd, value):
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self.communicate(f'S{cmd} {value}')
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return self.get_par(cmd)
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def read_value(self):
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"""
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Reading internal temperature sensor value.
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"""
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return self.get_par('T')
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def read_status(self):
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""" convert from RUFS Command: Description of Bits
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====== ======================================================== ===============
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Value Description
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====== ======================================================== ===============
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V1 B6: warning, rtd1 (internal temp. sensor) is shorted B0 --> 1
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B7: warning, rtd1 is open B1 --> 2
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V2 B0: error, HTC (high temperature cutout) fault B2 --> 4
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B1: error, high RA (refrigeration) temperature fault B3 --> 8
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V3 B0: warning, low level in the bath B5 --> 32
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B1: warning, low temperature B6 --> 64
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B2: warning, high temperature B7 --> 128
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B3: error, low level in the bath
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B4: error, low temperature fault
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B5: error, high temperature fault
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B6: error, low temperature fixed* fault
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B7: error, high temperature fixed** fault
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V4 B3: idle, circulator** is running
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B5: error, circulator** fault
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V5 B0: error, pump speed fault
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B1: error, motor overloaded
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B2: error, high pressure cutout
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B3: idle, maximum cooling
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B4: idle, cooling
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B5: idle, maximum heating
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B6: idle, heating
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====== ======================================================== ===============
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"""
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result_str = self.communicate('RUFS') # read unit fault status
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values_str = result_str.strip().split()
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values_int = [int(val) for val in values_str]
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for status_type, status_msg, vi, bit in self.status_messages:
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if values_int[vi-1] & (1 << bit):
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conv_status = HasConvergence.read_status(self)
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if self.isBusy(conv_status):
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# use 'inside tolerance' and 'outside tolerance' from HasConvergence,
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# else our own status
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return BUSY, conv_status[1] if 'tolerance' in conv_status[1] else status_msg
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return status_type, status_msg
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return WARN, 'circulation off'
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def read_control_active(self):
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return int(self.get_par('O'))
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@Command
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def control_off(self):
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"""switch control and circulation off"""
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self.control_active = self.set_par('O', 0)
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def read_target(self):
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return self.get_par('S')
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def write_target(self, target):
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self.control_active = self.set_par('O', 1)
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self.communicate(f'SS {target}')
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self.convergence_start()
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return target
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def read_p_heat(self):
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return self.get_par('PH')
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def write_p_heat(self, value):
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return self.set_par('PH', value)
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def read_i_heat(self):
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return self.get_par('IH')
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def write_i_heat(self, value):
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return self.set_par('IH', value)
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def read_d_heat(self):
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return self.get_par('DH')
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def write_d_heat(self, value):
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return self.set_par('DH', value)
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def read_p_cool(self):
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return self.get_par('PC')
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def write_p_cool(self, value):
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return self.set_par('PC', value)
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def read_i_cool(self):
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return self.get_par('IC')
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def write_i_cool(self, value):
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return self.set_par('IC', value)
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def read_d_cool(self):
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return self.get_par('DC')
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def write_d_cool(self, value):
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return self.set_par('DC', value)
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