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#
# This file is part of the PyMeasure package.
#
# Copyright (c) 2013-2024 PyMeasure Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
from .ips120_10 import IPS120_10
def PS_custom_get_process(v):
"""Adjust the received value, for working with the PS 120-10 """
return v * 1e-2
def PS_custom_set_process(v):
"""Convert float to proper int value, for working with the PS 120-10 """
return int(v * 1e2)
class PS120_10(IPS120_10):
"""Represents the Oxford Superconducting Magnet Power Supply PS 120-10.
.. code-block:: python
ps = PS120_10("GPIB::25") # Default channel for the IPS
ps.enable_control() # Enables the power supply and remote control
ps.train_magnet([ # Train the magnet after it has been cooled-down
(11.8, 1.0),
(13.9, 0.4),
(14.9, 0.2),
(16.0, 0.1),
])
ps.set_field(12) # Bring the magnet to 12 T. The switch heater will
# be turned off when the field is reached and the
# current is ramped back to 0 (i.e. persistent mode).
print(self.field) # Print the current field (whether in persistent or
# non-persistent mode)
ps.set_field(0) # Bring the magnet to 0 T. The persistent mode will be
# turned off first (i.e. current back to set-point and
# switch-heater on); afterwards the switch-heater will
# again be turned off.
ps.disable_control() # Disables the control of the supply, turns off the
# switch-heater and clamps the output.
:param clear_buffer: A boolean property that controls whether the instrument
buffer is clear upon initialisation.
:param switch_heater_heating_delay: The time in seconds (default is 20s) to wait after
the switch-heater is turned on before the heater is expected to be heated.
:param switch_heater_cooling_delay: The time in seconds (default is 20s) to wait after
the switch-heater is turned off before the heater is expected to be cooled down.
:param field_range: A numeric value or a tuple of two values to indicate the
lowest and highest allowed magnetic fields. If a numeric value is provided
the range is expected to be from :code:`-field_range` to :code:`+field_range`.
"""
def __init__(self,
adapter,
name="Oxford PS",
**kwargs):
super().__init__(
adapter=adapter,
name=name,
**kwargs,
)
current_measured_get_process = PS_custom_get_process
demand_current_get_process = PS_custom_get_process
demand_field_get_process = PS_custom_get_process
persistent_field_get_process = PS_custom_get_process
current_setpoint_get_process = PS_custom_get_process
current_setpoint_set_process = PS_custom_set_process
current_setpoint_set_command = "I%d"
field_setpoint_get_process = PS_custom_get_process
field_setpoint_set_process = PS_custom_set_process
field_setpoint_set_command = "J%d"
sweep_rate_get_process = PS_custom_get_process
sweep_rate_set_process = PS_custom_set_process
sweep_rate_set_command = "T%d"
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