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from qolab.hardware.basic import BasicInstrument
from qolab.hardware.power_supply import PowerSupplySCPI
import re
import numpy as np
class KeysightE3612A(PowerSupplySCPI):
""" Keysight E3612A power supply """
def __init__(self, resource, *args, **kwds):
super().__init__(resource, *args, **kwds)
# self.resource.read_termination='\n'
self.config['Device model'] = 'Keysight E3612A'
self.numberOfChannels = 3
# self.channelProperties = {'Vlimit', 'Ilimit', 'Vout', 'Iout' }
self.channelProperties = {'State', 'Vout', 'Iout', }
def setChanOn(self, chNum):
self.write(f'OUTP ON,(@{chNum})')
def setChanOff(self, chNum):
self.write(f'OUTP OFF,(@{chNum})')
@BasicInstrument.tsdb_append
def getChanState(self, chNum):
qstr = f'OUTP? (@{chNum})'
rstr = self.query(qstr)
return( bool(float(rstr)) )
@BasicInstrument.tsdb_append
def getChanVout(self, chNum):
qstr = f'MEAS:VOLT? (@{chNum})'
rstr = self.query(qstr)
return( float(rstr) )
@BasicInstrument.tsdb_append
def getChanIout(self, chNum):
qstr = f'MEAS:CURR? (@{chNum})'
rstr = self.query(qstr)
return( float(rstr) )
if __name__ == '__main__':
import pyvisa
print("testing")
rm = pyvisa.ResourceManager()
print(rm.list_resources())
instr=rm.open_resource('USB0::10893::4354::MY61001869::0::INSTR')
ps = KeysightE3612A(instr)
print('------ Header start -------------')
print(str.join('\n', ps.getHeader()))
print('------ Header ends -------------')
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