driver draft for GPP-3610H psu and modified example script

2 files changed, 154 insertions, 5 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}")
+
+
+
diff --git a/run.py b/run.py
index 2f7a3bc..1576fa3 100644
--- a/run.py
+++ b/run.py
@@ -3,6 +3,7 @@ from qolab.hardware.multimeter.bk_5491 import BK_5491
 from qolab.hardware.multimeter.hp_34401 import HP_34401
 from qolab.hardware.vacuum_gauge.mks390 import MKS390
 from qolab.hardware.power_supply.psw25045 import PSW25045
+from qolab.hardware.power_supply.gpp3610h import GPP3610H
 
 
 from qolab.hardware.scope.sds800xhd import SDS800XHD
@@ -15,7 +16,7 @@ if __name__ == "__main__":
     import matplotlib.pyplot as plt
     import time
 
-    #mpl.style.use('custom-style')
+    mpl.style.use('custom-style')
 
     rm = pyvisa.ResourceManager()
     address_dict = {
@@ -24,7 +25,8 @@ if __name__ == "__main__":
         'dmm_hp': 'visa://192.168.194.15/ASRL9::INSTR',
         'dmm_bk': 'visa://192.168.194.15/ASRL12::INSTR',
         'vacgauge': 'visa://192.168.194.15/ASRL13::INSTR',
-        'psu_anode': 'visa://192.168.194.15/ASRL10::INSTR'        
+        'psu_anode': 'visa://192.168.194.15/ASRL10::INSTR',
+        'psu_disp': 'TCPIP0::192.168.2.213::1026::SOCKET'       
     }
     #----------------------------------------------
     # Open visa resources and initialize intruments
@@ -50,6 +52,11 @@ if __name__ == "__main__":
     psu_anode = PSW25045(
         rm.open_resource(address_dict['psu_anode'])
     )
+
+    psu_disp = GPP3610H(
+        rm.open_resource(address_dict['psu_disp'])
+    )
+
     #-----------------------------------------------
 
     # Get DMM readings
@@ -62,9 +69,18 @@ if __name__ == "__main__":
     print(psu_anode.get_idn())
     psu_anode.set_voltage(5)
     psu_anode.enable_output(True)
-    time.sleep(20)
+    time.sleep(2)
     psu_anode.enable_output(False)
 
-    trace = scope.getTrace(4)
-    trace.plot()
+    print(psu_disp.get_idn())
+    psu_disp.set_voltage(0.2)
+    psu_disp.enable_output(True)
+    time.sleep(3)
+    print(psu_disp.get_out_current())
+    print(psu_disp.get_out_voltage())
+    time.sleep(2)
+    psu_disp.enable_output(False)
+
+    #trace = scope.getTrace(4)
+    #trace.plot()
     plt.show()
\ No newline at end of file