from qcodes import VisaInstrument
from qcodes.utils.validators import Numbers
[docs]
class RigolDP932E(VisaInstrument):
"""
QCoDeS driver for the Rigol DP932E Programmable DC Power Supply.
"""
def __init__(self, name: str, address: str, **kwargs):
super().__init__(name, address, **kwargs)
# Add parameters for each channel
for channel in range(1, 4):
self.add_parameter(f'voltage_{channel}',
label=f'Channel {channel} Voltage',
unit='V',
get_cmd=f':MEASure:VOLTage? CH{channel}',
set_cmd=f':APPLy CH{channel},{{}}',
get_parser=float,
vals=Numbers(0, 31.5)) # According to manual, max voltage is 31.5V for DP932E
self.add_parameter(f'current_{channel}',
label=f'Channel {channel} Current',
unit='A',
get_cmd=f':MEASure:CURRent? CH{channel}',
set_cmd=f':APPLy CH{channel},,,{{}}',
get_parser=float,
vals=Numbers(0, 3.15)) # According to manual, max current is 3.15A for DP932E
self.add_parameter(f'output_{channel}',
label=f'Channel {channel} Output',
get_cmd=f':OUTPut:STATe? CH{channel}',
set_cmd=f':OUTPut:STATe {{}} CH{channel}',
val_mapping={'ON': 1, 'OFF': 0})
# Reset the instrument
self.write('*RST')
self.connect_message()
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def reset(self):
"""Resets the instrument to its default settings."""
self.write('*RST')
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def enable_output(self, channel: int):
"""Enables the output for the specified channel."""
self.write(f':OUTPut CH{channel},ON')
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def disable_output(self, channel: int):
"""Disables the output for the specified channel."""
self.write(f':OUTPut CH{channel},OFF')
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def measure_voltage(self, channel: int) -> float:
"""Measures the voltage at the output terminal of the specified channel."""
return float(self.ask(f':MEASure:VOLTage? CH{channel}'))
[docs]
def measure_current(self, channel: int) -> float:
"""Measures the current at the output terminal of the specified channel."""
return float(self.ask(f':MEASure:CURRent? CH{channel}'))
[docs]
def set_voltage(self, channel: int, voltage: float):
"""Sets the output voltage for the specified channel."""
self.write(f':APPLy CH{channel},{voltage}')
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def set_current(self, channel: int, current: float):
"""Sets the output current for the specified channel."""
self.write(f':APPLy CH{channel},,,{current}')
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def set_output_state(self, channel: int, state: str):
"""Sets the output state (ON/OFF) for the specified channel."""
self.write(f':OUTPut:STATe {state},CH{channel}')
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def measure_power(self, channel: int) -> float:
"""Measures the power at the output terminal of the specified channel."""
return float(self.ask(f':MEASure:POWEr? CH{channel}'))