diff options
| -rw-r--r-- | qolab/hardware/vacuum_gauge/mks390.py | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/qolab/hardware/vacuum_gauge/mks390.py b/qolab/hardware/vacuum_gauge/mks390.py new file mode 100644 index 0000000..8556001 --- /dev/null +++ b/qolab/hardware/vacuum_gauge/mks390.py @@ -0,0 +1,110 @@ +""" +Module: MKS Granville-Phillips 390 Micro-Ion Gauge Control +Description: This module provides a class to interface with the + MKS Granville-Phillips 390 Micro-Ion Gauge + using pyvisa. + +Author: Mykhailo Vorobiov +Email: mvorobiov@wm.edu +Date Created: 2024-10-22 +Date Updated: 2024-11-05 +""" + +from qolab.hardware.basic import BasicInstrument +from qolab.hardware.scpi import SCPIinstr +import pyvisa +import numpy as np +import logging +import time + + +class MKS390(SCPIinstr): + """ + A class for interfacing with the MKS Granville-Phillips 390 Micro-Ion Gauge + for vacuum measurements between 1e-11 and 1e+3 Torr. + """ + + def __init__(self, resource, gauge_id = '#02', *args, **kwds): + """ + Initialize the vacuum gaguge class + """ + super().__init__(resource, *args, **kwds) + self.resource = resource + self.resource.baud_rate = 19200 + self.resource.timeout = 5000 + self.resource.read_termination = '\r' + self.resource.write_termination = '\r' + + self.write = self.resource.write + self.read = self.resource.read + self.read_raw = self.resource.read_raw + + self.ignition_status = False + self.id = gauge_id + + self._read_ignition_status() + + def enable_ignition(self, ig_status=False): + self._read_ignition_status() + if not(self.ignition_status == ig_status): + try: + # Sending a command + command = self.id + 'IG 0' + self.write(command) + self.ignition_status = ig_status + print(f"[INFO] Vacuum gauge ignition status changed to: {self.ignition_status}") + except pyvisa.VisaIOError as e: + print(f'[ERROR!] Failed to change vacuum gauge ignition status.\n\t{e}') + else: + print(f'[WARNING] No change to vacuum gauge ignition status: {self.ignition_status}') + + def get_ignition_status(self): + self._read_ignition_status() + return self.ignition_status + + def _read_ignition_status(self): + try: + # Sending a command + command = self.id + 'IGS' + self.write(command) + time.sleep(0.01) + self.ignition_status = bool(self.read_raw(8).strip().split()[1]) + return self.ignition_status + except pyvisa.VisaIOError as e: + print(f'[ERROR!] Failed to read vacuum gauge ignition status.\n\t{e}') + + def get_pressure(self): + try: + # Sending a command + command = self.id + 'RD' + self.write(command) + # Waiting and reading the response + time.sleep(0.01) + response = float(self.read_raw(14).strip().split()[1]) + return response + except pyvisa.VisaIOError as e: + print(f'[ERROR!] Failed to get vacuum gauge reading.\n\t{e}') + return 0.0 + +''' + def close(self): + """ + Close the connection to the vacuum gauge. + """ + if self.gauge: + try: + self.gauge.close() + self.logger.info("Connection to the vacuum gaguge closed.") + except pyvisa.VisaIOError as e: + self.logger.error(f"Error closing connection to the vacuum gauge: {e}") +''' +# Example usage +if __name__ == '__main__': + import pyvisa + + rm = pyvisa.ResourceManager() + + gauge = MKS390(rm, 'visa://192.168.194.15/ASRL13::INSTR', gauge_id='#02') + pressure = gauge.get_reading() + gauge.close() + print(pressure)
\ No newline at end of file |