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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.
#
import logging
from pymeasure.instruments import Instrument, Channel, SCPIMixin
from pymeasure.instruments.validators import strict_range, strict_discrete_set
log = logging.getLogger(__name__)
log.addHandler(logging.NullHandler())
class VoltageChannel(Channel):
"""Implementation of a power supply base class channel"""
voltage_setpoint = Channel.control(
"INST:NSEL {ch};:VOLT?",
"INST:NSEL {ch};:VOLT %g",
"""Control the output voltage of this channel, range depends on channel.""",
validator=strict_range,
values=[0, 25],
dynamic=True,
)
current_limit = Channel.control(
"INST:NSEL {ch};:CURR?",
"INST:NSEL {ch};:CURR %g",
"""Control the current limit of this channel, range depends on channel.""",
validator=strict_range,
values=[0, 1],
dynamic=True,
)
voltage = Channel.measurement(
"INST:NSEL {ch};:MEAS:VOLT?",
"""Measure actual voltage of this channel.""",
)
current = Channel.measurement(
"INST:NSEL {ch};:MEAS:CURR?",
"""Measure the actual current of this channel.""",
)
class KeysightE3631A(SCPIMixin, Instrument):
""" Represents the Keysight E3631A Triple Output DC Power Supply
interface for interacting with the instrument.
.. code-block:: python
supply = KeysightE3631A(resource)
supply.ch_1.voltage_setpoint=10
supply.ch_1.current_setpoint=0.1
supply.ch_1.output_enabled=True
print(supply.ch_1.voltage)
"""
ch_1 = Instrument.ChannelCreator(VoltageChannel, 1)
ch_2 = Instrument.ChannelCreator(VoltageChannel, 2)
ch_3 = Instrument.ChannelCreator(VoltageChannel, 3)
def __init__(self, adapter, name="Keysight E3631A", **kwargs):
super().__init__(
adapter, name,
**kwargs
)
self.channels[1].voltage_setpoint_values = [0, 6]
self.channels[1].current_limit_values = [0, 5]
self.channels[3].voltage_setpoint_values = [0, -25]
tracking_enabled = Instrument.control(
":OUTP:TRAC?",
":OUTP:TRAC %s",
"""Control whether the power supply operates in the track mode (boolean)""",
validator=strict_discrete_set,
values={True: 1, False: 0},
map_values=True,
)
output_enabled = Instrument.control(
"OUTPut?",
"OUTPut %d",
"""Control whether the channel output is enabled (boolean).""",
validator=strict_discrete_set,
map_values=True,
values={True: 1, False: 0},
dynamic=True,
)
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