From e4bb9eec32eaaa31630fa9f0f803c1ff1729e18c Mon Sep 17 00:00:00 2001
From: Nicolas Roisin <nicolas.roisin@uclouvain.be>
Date: Tue, 25 Feb 2025 17:55:21 +0100
Subject: [PATCH] new class file equipment
---
.../__pycache__/equipment.cpython-311.pyc | Bin 0 -> 2220 bytes
equipment_control/cm110.py | 11 ++
equipment_control/dmm.py | 11 ++
equipment_control/equipment.py | 57 +++++++++
equipment_control/hp4145.py | 118 ++++++++++++++++++
equipment_control/k24xx.py | 11 ++
equipment_control/k4200.py | 96 ++++++++++++++
7 files changed, 304 insertions(+)
create mode 100644 equipment_control/__pycache__/equipment.cpython-311.pyc
create mode 100644 equipment_control/cm110.py
create mode 100644 equipment_control/dmm.py
create mode 100644 equipment_control/hp4145.py
create mode 100644 equipment_control/k24xx.py
create mode 100644 equipment_control/k4200.py
diff --git a/equipment_control/__pycache__/equipment.cpython-311.pyc b/equipment_control/__pycache__/equipment.cpython-311.pyc
new file mode 100644
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diff --git a/equipment_control/cm110.py b/equipment_control/cm110.py
new file mode 100644
index 0000000..b7eea32
--- /dev/null
+++ b/equipment_control/cm110.py
@@ -0,0 +1,11 @@
+import equipment
+import pyvisa
+import time
+import numpy as np
+
+class CM110(equipment.Equipment):
+
+ """Class to control CM110 monochromator"""
+ model="CM110"
+ company="Spectral Product"
+ link="https://www.spectralproducts.com/CM110"
diff --git a/equipment_control/dmm.py b/equipment_control/dmm.py
new file mode 100644
index 0000000..b734264
--- /dev/null
+++ b/equipment_control/dmm.py
@@ -0,0 +1,11 @@
+import equipment
+import pyvisa
+import time
+import numpy as np
+
+class DMM(equipment.Equipment):
+
+ """Class to control DMM multimeter"""
+ model="DMM7510, DMM6500 or K2000"
+ company="Keithley"
+ link="https://www.tek.com/en/products/keithley/benchtop-digital-multimeter"
diff --git a/equipment_control/equipment.py b/equipment_control/equipment.py
index e69de29..098c86c 100644
--- a/equipment_control/equipment.py
+++ b/equipment_control/equipment.py
@@ -0,0 +1,57 @@
+import pyvisa
+import datetime
+import numpy as np
+class Equipment(pyvisa.ResourceManager):
+
+ """Base for Equipment classes."""
+
+ model = ""
+ company = ""
+ link = ""
+
+ def __init__(self,rm,address):
+ self.pyvisa_resource = rm.open_resource(address)
+
+
+ def set_connection_parameter(self,key,value):
+ if key=="timeout":
+ self.pyvisa_resource.timeout=value
+ elif key=="write_termination":
+ self.pyvisa_resource.write_termination=value
+ elif key=="read_termination":
+ self.pyvisa_resource.read_termination=value
+ elif key=="send_end":
+ self.pyvisa_resource.send_end=value
+ elif key=="baud_rate":
+ self.pyvisa_resource.baud_rate =value
+
+
+ def set_connection_parameter_dic(self,connection_parameter):
+
+ if isinstance(connection_parameter, dict):
+ for key, value in connection_parameter.items():
+ self.set_connection_parameter(key,value)
+ else:
+ print("Please provide a dictionnary as argument.")
+
+
+ def close_connection(self):
+ self.pyvisa_resource.close()
+
+ def write_in_file(self,file_path,data):
+
+ # Create file and header
+ f = open(file_path, "a")
+ f.write("%s\n"%(datetime.datetime.now().strftime("%c")))
+
+ shape=np.shape(data)
+
+ if len(shape)==1:
+ for i in range(shape[0]):
+ f.write("%.6f\n"%(data[i]))
+ elif len(shape)==2:
+ for i in range(shape[0]):
+ for j in range(shape[1]):
+ f.write("%.6f"%(data[i,j]))
+ f.write("\n")
+ f.close()
diff --git a/equipment_control/hp4145.py b/equipment_control/hp4145.py
new file mode 100644
index 0000000..eebc037
--- /dev/null
+++ b/equipment_control/hp4145.py
@@ -0,0 +1,118 @@
+import equipment
+import pyvisa
+import time
+import numpy as np
+
+class HP4145(equipment.Equipment):
+
+ """Class to control HP4145 semiconductor analyzer"""
+ model="HP4145"
+ company="Keysight"
+ link="https://www.keysight.com/dk/en/assets/9018-07935/service-manuals/9018-07935.pdf"
+
+ def initialize_sweep(self, mode="voltage sweep",number_channel=4,smu_bias={"SMU2":0,"SMU3":0,"SMU4":0},
+ smu_compliance={"SMU1":1e-6,"SMU2":1e-6,"SMU3":1e-6,"SMU4":1e-6},sweep_param={"start":0,"stop":0,"step":0},
+ integration_mode="IT1",delay_time=0,hold_time=0):
+
+
+ """
+ mode:
+ - "voltage sweep": voltage sweep with SMU1 and current measurements on all the SMUs
+ """
+ self.mode=mode
+ self.number_channel=number_channel
+ self.sweep_param=sweep_param
+ self.smu_compliance=smu_compliance
+ self.smu_bias=smu_bias
+ self.integration_mode=integration_mode
+ self.delay_time=delay_time
+ self.hold_time=hold_time
+
+ self.set_connection_parameter_dic({"timeout":10e3,"write_termination":'\r\n',"read_termination":'\r\n',"send_end":True})
+
+ try:
+ self.pyvisa_resource.write("BC") # clear all buffer.
+ self.pyvisa_resource.write("DR1") # This command enables or disables service request for data ready when communications is set to GPIB.
+ self.pyvisa_resource.write("EC 1") # This command sets the condition to exit the test if compliance is reached.
+
+ if mode =="voltage sweep":
+
+ self.length_data=int(abs((sweep_param["stop"]-sweep_param["start"])/sweep_param["step"]))
+ self.pyvisa_resource.write("DE") # DE: Accesses SMU channel definition page.
+
+ self.pyvisa_resource.write("CH1, 'V1', 'I1', 1, 1") # 1/2/3: voltage/current/Common 1/2/3: VAR1/VAR2/constant
+
+ for i in range(number_channel-1):
+ self.pyvisa_resource.write("CH%d, 'V%d', 'I%d', 1, 3"%(i+2,i+2,i+2))
+
+ self.pyvisa_resource.write("SS")# Accesses source setup page
+ self.pyvisa_resource.write("VR1, %s, %s, %s, %s"%(sweep_param["start"],sweep_param["stop"],sweep_param["step"],sweep_param["compliance"])) # VR1 for linear sweep of VAR1 source function, vmin, vmax,vstep, compliance
+ self.pyvisa_resource.write("VC2, %.2f, %s"%(smu_bias[0],smu_compliance[0]))
+ self.pyvisa_resource.write("VC3, %.2f, %s"%(smu_bias[1],smu_compliance[1]))
+ self.pyvisa_resource.write("VC4, %.2f, %s"%(smu_bias[2],smu_compliance[2]))
+
+ self.pyvisa_resource.write("HT %f"%hold_time) # Sets a hold time that delays the start of a sweep
+ self.pyvisa_resource.write("DT %f"%delay_time) # delay time: Sets the time to wait between when the output voltage is set and when the measurement is made in a sweep.
+ self.pyvisa_resource.write(integration_mode) # integration time, IT1/IT2/IT3 : short/medium/long
+
+ self.pyvisa_resource.write("SM")
+ self.pyvisa_resource.write("DM2")
+ self.pyvisa_resource.write("LI 'I1','I2','I3','I4'")
+ # self.pyvisa_resource.write("DM1")
+ # self.pyvisa_resource.write("XN 'V1', 1, %.1f, %.1f"%(v_sweep_param["start"],v_sweep_param["stop"]))
+ # self.pyvisa_resource.write("YA 'I1',2, 1E-15, 1E-12")
+ except pyvisa.VisaIOError:
+ print("/!\ VisaIOError : timeout expired")
+ self.pyvisa_resource.close()
+
+ return {"mode":mode, "number_channels":number_channel, "sweep_param":sweep_param}
+
+ def launch_measurements(self):
+
+ N_v=self.length_data
+ data={}
+
+ if self.integration_mode=="IT1":
+ Nmax=50
+ elif self.integration_mode=="IT2":
+ Nmax=30
+ elif self.integration_mode=="IT3":
+ Nmax=10
+
+
+ if self.mode=="voltage sweep":
+
+ v_list=np.round(np.arange(self.sweep_param["start"],self.sweep_param["stop"]+self.sweep_param["step"],self.sweep_param["step"]),6)
+
+ data=np.zeros((N_v,self.number_channel))
+ data[:,0]=v_list
+
+ iteration=int(N_v/Nmax)+1
+ index=0
+ j=0
+ while iteration>0:
+ v_start=v_list[index]
+ if index+Nmax>N_v:
+ v_end=v_list[-1]
+ else:
+ v_end=v_list[index+Nmax-1]
+
+ self.pyvisa_resource.write("MD") # This command controls measurements.
+ self.pyvisa_resource.write("ME1") # Run a single trigger test and store readings in a cleared buffer: 1
+ time.sleep(10)
+
+ N=int(abs((v_end-v_start)/self.sweep_param["step"]))+1
+
+ for i in range(self.number_channel):
+ data_list=self.pyvisa_resource.query("DO 'I%d'"%(i+1))# Read measurements
+ for data_i in data_list.split(","):
+ data[j,i+1]=float(data_i[1:])
+ if i==0:
+ j+=1
+
+ index+=Nmax
+ iteration-=1
+ j+=1
+
+ return data
+
diff --git a/equipment_control/k24xx.py b/equipment_control/k24xx.py
new file mode 100644
index 0000000..1126aa9
--- /dev/null
+++ b/equipment_control/k24xx.py
@@ -0,0 +1,11 @@
+import equipment
+import pyvisa
+import time
+import numpy as np
+
+class K24XX(equipment.Equipment):
+
+ """Class to control K2400 or k2450 SMU"""
+ model="K2400 or K2450"
+ company="Keithley"
+ link="https://www.tek.com/en/products/keithley/digital-multimeter/dmm7510"
diff --git a/equipment_control/k4200.py b/equipment_control/k4200.py
new file mode 100644
index 0000000..c590bfd
--- /dev/null
+++ b/equipment_control/k4200.py
@@ -0,0 +1,96 @@
+import equipment
+import pyvisa
+import time
+import numpy as np
+
+class K4200(equipment.Equipment):
+
+ """Class to control HP4145 semiconductor analyzer"""
+ model="K4200"
+ company="Keysight"
+ link="https://www.tek.com/en/products/keithley/4200a-scs-parameter-analyzer"
+
+ def initialize_sweep(self, mode="voltage sweep",number_channel=4,smu_bias={"SMU2":0,"SMU3":0,"SMU4":0},
+ smu_compliance={"SMU1":1e-6,"SMU2":1e-6,"SMU3":1e-6,"SMU4":1e-6},sweep_param={"start":0,"stop":0,"step":0},
+ integration_mode="IT1",delay_time=0,hold_time=0):
+
+
+ """
+ mode:
+ - "voltage sweep": voltage sweep with SMU1 and current measurements on all the SMUs
+ """
+ self.mode=mode
+ self.number_channel=number_channel
+ self.sweep_param=sweep_param
+ self.smu_compliance=smu_compliance
+ self.smu_bias=smu_bias
+ self.integration_mode=integration_mode
+ self.delay_time=delay_time
+ self.hold_time=hold_time
+
+ self.set_connection_parameter_dic({"timeout":10e3,"write_termination":'\r\n',"read_termination":'\r\n',"send_end":True})
+
+ try:
+ self.pyvisa_resource.write("BC") # clear all buffer.
+ self.pyvisa_resource.write("DR1") # This command enables or disables service request for data ready when communications is set to GPIB.
+ self.pyvisa_resource.write("EC 1") # This command sets the condition to exit the test if compliance is reached.
+
+ if mode =="voltage sweep":
+
+ self.length_data=int(abs((sweep_param["stop"]-sweep_param["start"])/sweep_param["step"]))
+ self.pyvisa_resource.write("DE") # DE: Accesses SMU channel definition page.
+
+ self.pyvisa_resource.write("CH1, 'V1', 'I1', 1, 1") # 1/2/3: voltage/current/Common 1/2/3: VAR1/VAR2/constant
+
+ for i in range(number_channel-1):
+ self.pyvisa_resource.write("CH%d, 'V%d', 'I%d', 1, 3"%(i+2,i+2,i+2))
+
+ self.pyvisa_resource.write("SS")# Accesses source setup page
+ self.pyvisa_resource.write("VR1, %s, %s, %s, %s"%(sweep_param["start"],sweep_param["stop"],sweep_param["step"],sweep_param["compliance"])) # VR1 for linear sweep of VAR1 source function, vmin, vmax,vstep, compliance
+ self.pyvisa_resource.write("VC2, %.2f, %s"%(smu_bias[0],smu_compliance[0]))
+ self.pyvisa_resource.write("VC3, %.2f, %s"%(smu_bias[1],smu_compliance[1]))
+ self.pyvisa_resource.write("VC4, %.2f, %s"%(smu_bias[2],smu_compliance[2]))
+
+ self.pyvisa_resource.write("HT %f"%hold_time) # Sets a hold time that delays the start of a sweep
+ self.pyvisa_resource.write("DT %f"%delay_time) # delay time: Sets the time to wait between when the output voltage is set and when the measurement is made in a sweep.
+ self.pyvisa_resource.write(integration_mode) # integration time, IT1/IT2/IT3 : short/medium/long
+
+ self.pyvisa_resource.write("RS 7") # This command sets the measurement resolution for all channels of a SM in number of bits
+ self.pyvisa_resource.write("RG 1, 10E-12") # This command sets the measurement resolution for all channels of a SM in number of bits
+ self.pyvisa_resource.write("RG 2, 10E-12") # This command sets the lowest current range of the SMU to be used when measuring.
+
+ self.pyvisa_resource.write("SM")
+ self.pyvisa_resource.write("DM2")
+ self.pyvisa_resource.write("LI 'I1','I2','I3','I4'")
+ except pyvisa.VisaIOError:
+ print("/!\ VisaIOError : timeout expired")
+ self.pyvisa_resource.close()
+
+ return {"mode":mode, "number_channels":number_channel, "sweep_param":sweep_param}
+
+ def launch_measurements(self):
+
+ self.pyvisa_resource.write("MD") # This command controls measurements.
+ self.pyvisa_resource.write("ME1") # Run a single trigger test and store readings in a cleared buffer: 1
+ time.sleep(10)
+ N=self.length_data
+
+ if self.mode=="voltage sweep":
+ v_list=np.round(np.arange(self.sweep_param["start"],self.sweep_param["stop"]+self.sweep_param["step"],self.sweep_param["step"]),6)
+
+ data=np.zeros((N,self.number_channel))
+ data[:,0]=v_list
+
+ count=0
+ while (count<N):
+ data_ch1=np.float32(self.pyvisa_resource.query("RD 'I1', %d"%(count+1)))
+ if (data_ch1!=0.):
+ data[count,1]=data_ch1
+ for i in range(self.number_channel-1):
+ data[count,i+2]=np.float32(self.pyvisa_resource.query("RD 'I%d', %d"%(i+2,count+1)))
+ count+=1
+ time.sleep(0.1)
+ return data
+
+
+
\ No newline at end of file
--
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