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Soku3D · May 31, 2024 · 8d48934 · 8d48934
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diff --git a/App/keithleyApp_1_1.py b/App/keithleyApp_1_1.py
@@ -8,7 +8,7 @@
 
 from PyQt6 import QtCore, QtGui, QtWidgets
 from PyQt6.QtWidgets import QApplication, QMainWindow
-from PyQt6.QtCore import QTimer, Qt
+from PyQt6.QtCore import QTimer, Qt, QThread, pyqtSignal
 from PyQt6.QtGui import QPalette, QIcon, QPixmap, QPainter, QColor
 from ctypes.wintypes import HANDLE, HICON
 from ctypes import windll
@@ -362,8 +362,10 @@ def keithleyConnect(self,deviceName, address):
 
             try:
                 self.device2635b = rm.open_resource(f'GPIB::{address}::INSTR')
-                self.IsConnected_2635b.setStyleSheet('color: black;')
+                self.IsConnected_2635b.setStyleSheet('color: green;')
                 self.IsConnected_2635b.setText(f"Connected to {address}")
+                time.sleep(1)
+                self.IsConnected_2635b.setText("")
                 self.device2420.write('smua.source.func = smua.OUTPUT_DCV')# 전압 source mode
                 self.device2420.write('smua.measure.func = smua.FUNC_DCI') # 전류 measure mode
                 self.device2635b.write(f'smua.source.limiti = {self.CurrentLimit_2635b.value()}') # 전류 한계 설정
@@ -378,8 +380,8 @@ def keithleyConnect(self,deviceName, address):
 
             try:
                 self.device2420 = rm.open_resource(f'GPIB::{address}::INSTR')
-                self.IsConnected_2420.setStyleSheet('color: black;')
-                self.IsConnected_2420.setText(f"Connected to {address}")
+                self.IsConnected_2420.setStyleSheet('color: green;')
+                self.IsConnected_2420.setText(f"Connected to {address}")         
                 print(self.device2420.query('*IDN?'))
 
                 self.device2420.write(':SOUR:FUNC VOLT')# 전압 source mode

diff --git a/Samples/2420Test.ipynb b/Samples/2420Test.ipynb
diff --git a/Samples/2420Test2.ipynb b/Samples/2420Test2.ipynb
@@ -0,0 +1,157 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 2400 device\n",
+    "\n",
+    "2400 device는 drain/source voltage를 인가하고, 이에 따른 transistor device에 흐르는 전류를 측정한다."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "KEITHLEY INSTRUMENTS INC.,MODEL 2420,4051227,C32   Oct  4 2010 14:20:11/A02  /J/L\n",
+      "\n",
+      "Voltage: 0 V, Current: -1.382756E-09\n",
+      " A\n",
+      "Voltage: 1 V, Current: -2.017378E-10\n",
+      " A\n",
+      "Voltage: 2 V, Current: -1.951761E-10\n",
+      " A\n",
+      "Voltage: 3 V, Current: -1.815496E-10\n",
+      " A\n",
+      "Voltage: 4 V, Current: -1.860914E-10\n",
+      " A\n",
+      "Voltage: 5 V, Current: -1.850819E-10\n",
+      " A\n",
+      "Voltage: 6 V, Current: -1.775108E-10\n",
+      " A\n",
+      "Voltage: 7 V, Current: -1.840714E-10\n",
+      " A\n",
+      "Voltage: 8 V, Current: -1.724632E-10\n",
+      " A\n",
+      "Voltage: 9 V, Current: -1.734720E-10\n",
+      " A\n",
+      "Voltage: 10 V, Current: -1.765009E-10\n",
+      " A\n",
+      "Measurements complete.\n",
+      "Voltage: 0 V, Current: -1.382756E-09\n",
+      " A\n",
+      "Voltage: 1 V, Current: -2.017378E-10\n",
+      " A\n",
+      "Voltage: 2 V, Current: -1.951761E-10\n",
+      " A\n",
+      "Voltage: 3 V, Current: -1.815496E-10\n",
+      " A\n",
+      "Voltage: 4 V, Current: -1.860914E-10\n",
+      " A\n",
+      "Voltage: 5 V, Current: -1.850819E-10\n",
+      " A\n",
+      "Voltage: 6 V, Current: -1.775108E-10\n",
+      " A\n",
+      "Voltage: 7 V, Current: -1.840714E-10\n",
+      " A\n",
+      "Voltage: 8 V, Current: -1.724632E-10\n",
+      " A\n",
+      "Voltage: 9 V, Current: -1.734720E-10\n",
+      " A\n",
+      "Voltage: 10 V, Current: -1.765009E-10\n",
+      " A\n"
+     ]
+    }
+   ],
+   "source": [
+    "import pyvisa\n",
+    "import time\n",
+    "\n",
+    "# VISA 리소스 매니저 생성\n",
+    "rm = pyvisa.ResourceManager()\n",
+    "\n",
+    "# Keithley 2420 계측기에 연결 (VISA 주소를 적절히 변경)\n",
+    "keithley = rm.open_resource('GPIB0::24::INSTR')\n",
+    "\n",
+    "# 장치 ID 확인 (선택사항)\n",
+    "print(keithley.query('*IDN?'))\n",
+    "\n",
+    "# 초기 설정\n",
+    "keithley.write('*RST')  # 장치 리셋\n",
+    "keithley.write(':SENS:FUNC \"CURR\"')  # 전류 측정 모드 설정\n",
+    "keithley.write(':SOUR:FUNC VOLT')  # 전압 소스 모드 설정\n",
+    "keithley.write(':FORM:ELEM CURR')  # 전류만 읽기\n",
+    "keithley.write(':SENS:CURR:PROT 0.1')\n",
+    "# 전압 및 전류 측정 설정\n",
+    "start_voltage = 0\n",
+    "end_voltage = 10\n",
+    "step_voltage = 1\n",
+    "measurement_time = 1  # 초\n",
+    "\n",
+    "# 결과 저장을 위한 리스트\n",
+    "voltages = []\n",
+    "currents = []\n",
+    "\n",
+    "# 측정 루프\n",
+    "try:\n",
+    "    for voltage in range(start_voltage, end_voltage + step_voltage, step_voltage):\n",
+    "        # 전압 설정\n",
+    "        keithley.write(f':SOUR:VOLT {voltage}')\n",
+    "        keithley.write(':OUTP ON')  # 출력 켜기\n",
+    "\n",
+    "        # 안정화 시간 대기\n",
+    "        time.sleep(0.5)\n",
+    "\n",
+    "        # 전류 측정\n",
+    "        current = keithley.query(':READ?')\n",
+    "        # 측정값 저장\n",
+    "        voltages.append(voltage)\n",
+    "        currents.append(current)\n",
+    "\n",
+    "        # 측정 시간 대기\n",
+    "        time.sleep(measurement_time)\n",
+    "\n",
+    "        # 출력 끄기 (선택사항)\n",
+    "        keithley.write(':OUTP OFF')\n",
+    "\n",
+    "        print(f'Voltage: {voltage} V, Current: {current} A')\n",
+    "\n",
+    "finally:\n",
+    "    # 장치 리셋 및 연결 해제\n",
+    "    keithley.write('*RST')\n",
+    "    keithley.close()\n",
+    "\n",
+    "# 결과 출력\n",
+    "print(\"Measurements complete.\")\n",
+    "for v, c in zip(voltages, currents):\n",
+    "    print(f\"Voltage: {v} V, Current: {c} A\")\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "base",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/Samples/2600bTest.ipynb b/Samples/2600bTest.ipynb
@@ -31,20 +31,23 @@
     "import pyvisa\n",
     "\n",
     "rm = pyvisa.ResourceManager()\n",
-    "device26 = rm.open_resource('GPIB::26::INSTR')\n",
+    "keithley = rm.open_resource('GPIB::26::INSTR')\n",
     "\n",
     "#Check DeviceID\n",
-    "print(device26.query('*IDN?'))\n",
+    "print(keithley.query('*IDN?'))\n",
+    "\n",
     "\n",
-    "#Turns on SMU channel A source output.\n",
-    "device26.write('smua.source.output = smua.OUTPUT_ON')\n",
     "\n",
     "minRange = -60\n",
     "maxRange = 60\n",
     "\n",
     "volt = 1\n",
-    "currentLimit26 = 100\n",
-    "device26.write(f':SOUR:FUNC VOLT')\n",
+    "currentLimit26 = 0.1\n",
+    "keithley.write('smua.source.func = smua.OUTPUT_DCVOLTS ')\n",
+    "\n",
+    "#Turns on SMU channel A source output.\n",
+    "keithley.write('smua.source.output = smua.OUTPUT_ON')\n",
+    "\n",
     "for volt in range(minRange, maxRange+1):\n",
     "    #\n",
     "    \n",