multimeter_SDM3045X.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Multimeter\n",
    "This notebook reads directly from the instrument."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# References\n",
    "\n",
    "Multimeter Manual SDM3045X"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "ename": "VisaIOError",
     "evalue": "VI_ERROR_RSRC_NFOUND (-1073807343): Insufficient location information or the requested device or resource is not present in the system.",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mVisaIOError\u001b[0m                               Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-1-607c6e970ae8>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      8\u001b[0m \u001b[0;31m#rm.list_resources()\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      9\u001b[0m \u001b[0;31m# open multimeter\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 10\u001b[0;31m \u001b[0minst\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mrm\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen_resource\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'TCPIP0::mult::INSTR'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     11\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     12\u001b[0m \u001b[0;31m# print instrument ID\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/usr/local/lib/python2.7/site-packages/pyvisa/highlevel.pyc\u001b[0m in \u001b[0;36mopen_resource\u001b[0;34m(self, resource_name, access_mode, open_timeout, resource_pyclass, **kwargs)\u001b[0m\n\u001b[1;32m   1642\u001b[0m                 \u001b[0;32mraise\u001b[0m \u001b[0mValueError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'%r is not a valid attribute for type %s'\u001b[0m \u001b[0;34m%\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mres\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__class__\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__name__\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1643\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1644\u001b[0;31m         \u001b[0mres\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0maccess_mode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mopen_timeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1645\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1646\u001b[0m         \u001b[0;32mfor\u001b[0m \u001b[0mkey\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mvalue\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mkwargs\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mitems\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/usr/local/lib/python2.7/site-packages/pyvisa/resources/resource.pyc\u001b[0m in \u001b[0;36mopen\u001b[0;34m(self, access_mode, open_timeout)\u001b[0m\n\u001b[1;32m    201\u001b[0m         \u001b[0mlogger\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdebug\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'%s - opening ...'\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_resource_name\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mextra\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_logging_extra\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    202\u001b[0m         \u001b[0;32mwith\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_resource_manager\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mignore_warning\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mconstants\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mVI_SUCCESS_DEV_NPRESENT\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 203\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msession\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mstatus\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_resource_manager\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen_bare_resource\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_resource_name\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0maccess_mode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mopen_timeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    204\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    205\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0mstatus\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mconstants\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mVI_SUCCESS_DEV_NPRESENT\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/usr/local/lib/python2.7/site-packages/pyvisa/highlevel.pyc\u001b[0m in \u001b[0;36mopen_bare_resource\u001b[0;34m(self, resource_name, access_mode, open_timeout)\u001b[0m\n\u001b[1;32m   1599\u001b[0m         \u001b[0;34m:\u001b[0m\u001b[0;32mreturn\u001b[0m\u001b[0;34m:\u001b[0m \u001b[0mUnique\u001b[0m \u001b[0mlogical\u001b[0m \u001b[0midentifier\u001b[0m \u001b[0mreference\u001b[0m \u001b[0mto\u001b[0m \u001b[0ma\u001b[0m \u001b[0msession\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1600\u001b[0m         \"\"\"\n\u001b[0;32m-> 1601\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mvisalib\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msession\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mresource_name\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0maccess_mode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mopen_timeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1602\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1603\u001b[0m     def open_resource(self, resource_name,\n",
      "\u001b[0;32m/usr/local/lib/python2.7/site-packages/pyvisa/ctwrapper/functions.pyc\u001b[0m in \u001b[0;36mopen\u001b[0;34m(library, session, resource_name, access_mode, open_timeout)\u001b[0m\n\u001b[1;32m   1209\u001b[0m     \u001b[0;31m# [ViSession, ViRsrc, ViAccessMode, ViUInt32, ViPSession]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1210\u001b[0m     \u001b[0;31m# ViRsrc converts from (str, unicode, bytes) to bytes\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1211\u001b[0;31m     \u001b[0mret\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mlibrary\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mviOpen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0msession\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mresource_name\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0maccess_mode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mopen_timeout\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mbyref\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mout_session\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1212\u001b[0m     \u001b[0;32mreturn\u001b[0m \u001b[0mout_session\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mvalue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mret\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1213\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/usr/local/lib/python2.7/site-packages/pyvisa/ctwrapper/highlevel.pyc\u001b[0m in \u001b[0;36m_return_handler\u001b[0;34m(self, ret_value, func, arguments)\u001b[0m\n\u001b[1;32m    186\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    187\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mret_value\u001b[0m \u001b[0;34m<\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 188\u001b[0;31m             \u001b[0;32mraise\u001b[0m \u001b[0merrors\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mVisaIOError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mret_value\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    189\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    190\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mret_value\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0missue_warning_on\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mVisaIOError\u001b[0m: VI_ERROR_RSRC_NFOUND (-1073807343): Insufficient location information or the requested device or resource is not present in the system."
     ]
    }
   ],
   "source": [
    "# import\n",
    "import visa\n",
    "from time import sleep\n",
    "import numpy as np\n",
    "\n",
    "# create resources \n",
    "rm = visa.ResourceManager()\n",
    "#rm.list_resources()\n",
    "# open multimeter\n",
    "inst = rm.open_resource('TCPIP0::mult::INSTR')\n",
    "\n",
    "# print instrument ID\n",
    "print \"ID:\", inst.query(\"*IDN?\") "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# print the configuration \n",
    "#query=\"CONF?\"\n",
    "query=\"TRIG:COUN?\" # count\n",
    "#query=\"DATA:POINTS?\" #\n",
    "#query = \"SYSTem:COMMunicate:LAN:IPADdress?\"\n",
    "\n",
    "print(inst.query(query))\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "# print measurements\n",
    "print \"Measurements:\"\n",
    "print(inst.query(\"CALC:AVER:ALL?\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# read and average\n",
    "count = 5\n",
    "\n",
    "while count > 0: \n",
    "  res = inst.query(\"MEAS:VOLT:DC? 60V\")\n",
    "  #list.append(res)\n",
    "  print float(res)\n",
    "  count -= 1\n",
    "  sleep(1)\n",
    "\n",
    "np_list = np.array(list)\n",
    "#print \"Average: \" ; print np.average(np_list)\n",
    "#print list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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