added functions to control keysight_e3612a

1 files changed, 53 insertions, 3 deletions

diff --git a/qolab/hardware/power_supply/keysight_e3612a.py b/qolab/hardware/power_supply/keysight_e3612a.py
index d6a0770..0f68fed 100644
--- a/qolab/hardware/power_supply/keysight_e3612a.py
+++ b/qolab/hardware/power_supply/keysight_e3612a.py
@@ -7,31 +7,75 @@ class KeysightE3612A(PowerSupplySCPI):
     """ Keysight E3612A power supply """
     def __init__(self, resource, *args, **kwds):
         super().__init__(resource, *args, **kwds)
-        # self.resource.read_termination='\n'
+        self.resource.read_termination='\n'
         self.config['Device model'] = 'Keysight E3612A'
         self.numberOfChannels = 3
-        # self.channelProperties = {'Vlimit', 'Ilimit', 'Vout', 'Iout' }
-        self.channelProperties = {'IsOn', 'Vout', 'Iout', 'Ilimit' }
+        self.deviceProperties = {'OpMode', };
+        self.channelProperties = {'IsOn', 'Regulation', 'Vout', 'Vlimit', 'Iout', 'Ilimit', }
+
+    def getOpMode(self):
+        """
+        Queries power supply operation mode, returns OFF|PAR|SER|TRAC
+        OFF stands for independent channels
+        """
+        qstr = f'OUTP:PAIR?'
+        rstr = self.query(qstr)
+        return( rstr )
+
+    def setOpMode(self, val):
+        """
+        Sets power supply operation mode, returns OFF|PAR|SER|TRAC
+        OFF stands for independent channels
+        """
+        cmnd = f'OUTP:PAIR {val}'
+        rstr = self.write(cmnd)
 
     def setChanOn(self, chNum):
+        """ Power up channel output """
         self.write(f'OUTP ON,(@{chNum})')
 
     def setChanOff(self, chNum):
+        """ Power down channel output """
         self.write(f'OUTP OFF,(@{chNum})')
 
     @BasicInstrument.tsdb_append
     def getChanIsOn(self, chNum):
+        """ Queries channel output state """
         qstr = f'OUTP? (@{chNum})'
         rstr = self.query(qstr)
         return( bool(float(rstr)) )
 
     @BasicInstrument.tsdb_append
+    def getChanRegulation(self, chNum):
+        """
+        Queries channel output regulation
+        0 - The output is off and unregulated
+        1 - The output is CC (constant current) operating mode
+        2 - The output is CV (constant voltage) operating mode
+        3 - The output has hardware failure
+        """
+        qstr = f'STAT:QUES:INST:ISUM{chNum}:COND?'
+        rstr = self.query(qstr)
+        return( int(rstr) )
+
+    @BasicInstrument.tsdb_append
     def getChanVout(self, chNum):
         qstr = f'MEAS:VOLT? (@{chNum})'
         rstr = self.query(qstr)
         return( float(rstr) )
 
     @BasicInstrument.tsdb_append
+    def getChanVlimit(self, chNum):
+        qstr = f'SOUR:VOLT? (@{chNum})'
+        rstr = self.query(qstr)
+        return( float(rstr) )
+
+    @BasicInstrument.tsdb_append
+    def setChanVlimit(self, chNum, val):
+        cmnd = f'SOURCe:VOLT {val},(@{chNum})'
+        rstr = self.write(cmnd)
+
+    @BasicInstrument.tsdb_append
     def getChanIout(self, chNum):
         qstr = f'MEAS:CURR? (@{chNum})'
         rstr = self.query(qstr)
@@ -43,6 +87,12 @@ class KeysightE3612A(PowerSupplySCPI):
         rstr = self.query(qstr)
         return( float(rstr) )
 
+    @BasicInstrument.tsdb_append
+    def setChanIlimit(self, chNum, val):
+        cmnd = f'SOURCe:CURR {val},(@{chNum})'
+        rstr = self.write(cmnd)
+
+
 if __name__ == '__main__': 
     import pyvisa
     print("testing")