diff options
Diffstat (limited to 'qolab/hardware/power_supply')
| -rw-r--r-- | qolab/hardware/power_supply/gpp3610h.py | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/qolab/hardware/power_supply/gpp3610h.py b/qolab/hardware/power_supply/gpp3610h.py new file mode 100644 index 0000000..7ea2fbc --- /dev/null +++ b/qolab/hardware/power_supply/gpp3610h.py @@ -0,0 +1,133 @@ +""" +Module: GW INSTEK GPP-250-4.5 power supply unit control +Description: This module provides a class to interface with the GW INSTEK GPP250-4.5 power + supply unit (PSU) using pyvisa for setting current and voltage on the PSU + +Author: Mykhailo Vorobiov +Email: mvorobiov@wm.edu +Date: 2024-11-05 +Update: 2024-11-05 +""" + +from qolab.hardware.power_supply._basic import PowerSupplySCPI +import pyvisa + +class GPP3610H(PowerSupplySCPI): + """ + A class for interfacing with GW INSTEK GPP-3610H + signle channel power supply unit. + """ + def __init__(self, resource, *args, **kwds): + """ + Initialize the PSU class. + """ + super().__init__(resource, *args, **kwds) + self.resource = resource + + self.config["Device model"] = "GWInstek GPP-3610H" + self.numberOfChannels = 2 + self.deviceProperties.update({"OpMode"}) + self.resource.read_termination = "\n" + + self.resource.timeout = 1000 + + self.MAX_CURRENT = 10.0 # Amp + self.MAX_VOLTAGE = 36.0 # Volt + + @property + def idn(self): + return self.get_idn() + + def get_idn(self): + """ + Query the identification of the instrument. + + :return: Identifier string if query is successful or None otherwise. + """ + try: + self.write('*IDN?') + response = self.read_bytes(count=39).decode().strip() + return response + except pyvisa.VisaIOError as e: + print(f'[ERROR!] Error retrieving identification: {e}') + + def get_out_current(self): + """ + Query the current reading of the instrument. + + :return: Current reading in amps as float number and None if error occurs. + """ + try: + self.write('IOUT1?') + response = float(self.read_bytes(count=8).decode()[:-2]) + return response + except pyvisa.VisaIOError as e: + print(f"[ERROR!] Error querying the current reading: {e}") + + + def get_out_voltage(self): + """ + Query the voltage reading of the instrument. + + :return: Voltage reading in volts as float number and None if error occurs. + """ + + try: + self.write('VOUT1?') + response = float(self.read_bytes(count=8).decode()[:-2]) + return response + except pyvisa.VisaIOError as e: + print(f"[ERROR!] Error querying the voltage reading: {e}") + + + def set_current(self, current): + """ + Set the target current output of the instrument. + """ + + if current <= self.MAX_CURRENT and current >= 0.0: + try: + self.write(f'SOUR:CURR {current}') + print(f"Current is set to {current} V") + except pyvisa.VisaIOError as e: + print(f"[ERROR!] Error setting the current target output: {e}") + else: + print(f"[WARNING] Target current must be between 0 and {self.MAX_CURRENT} Amps." + f"\n\tThe traget current left unchanged.") + + + def set_voltage(self, voltage): + """ + Set the target voltage output of the instrument. + """ + if voltage <= self.MAX_VOLTAGE and voltage >= 0.0: + try: + self.write(f'SOUR:VOLT {voltage}') + print(f"[INFO] Voltage is set to {voltage} V") + except pyvisa.VisaIOError as e: + print(f"[ERROR!] Error setting the voltage target output: {e}") + else: + print(f"[WARNING] Target voltage must be between 0 and {self.MAX_VOLTAGE} Volts." + f"\n\tThe traget voltage left unchanged.") + + def enable_output(self, output_state=False): + """ + Set the output state of the instrument ON or OFF. + + :param output_state: Boolean flag. Sets the output ON if 'True' or OFF if 'False'. + """ + self.output_state = output_state # This is here to define out state (need some work on it) + try: + if self.output_state: + self.write(f'OUTP:STAT 1') + self.output_state = output_state + print(f"[INFO] Output is ON") + else: + self.write(f'OUTP:STAT 0') + self.output_state = not(output_state) + print(f"[INFO] Output is OFF") + except pyvisa.VisaIOError as e: + print(f"[ERROR!] Error toggle the output: {e}") + + + |