Example1

Capacitance measurement.py

import clr
clr.AddReference("Atv.Framework")
clr.AddReference("Atv.Framework.Devices")
from Atv.Framework.Devices.ParameterAnalyzer.Keithley4200.Enumerations import LptConstants as param
import time

# this is the test
def Test(p):

    # get name from the gui input -  requires a device selector in the gui code 
    k4200Name = p.GetInput("DEV_K4200").ValueString

    # get device object from device manager
    k4200 = p.GetDevice(k4200Name)

    # initialize device
    k4200.tstsel(1)
    k4200.devclr()
    k4200.devint()

    # get instrument id for CVU1
    cvuId = k4200.getinstid("CVU1", 0)

    # set measurement speed
    speed = param.KI_CVU_SPEED_QUIET

    # set measurement model
    model = param.KI_CVU_TYPE_CSRS

    # trigger a measurement
    dummy, cp, gp = k4200.measz(cvuId, model, speed, 0.0, 0.0)

    # measure time
    t = k4200.meast(cvuId, 0.0)/1000

    # get measurement status
    stat = int(k4200.getstatus(cvuId, param.KI_CVU_MEASURE_STATUS, 0))
    if (stat & (~3)) != 0:
        raise ScriptError("CVU error: {}".format(stat))

    # store data in measmatic - requires that the parameters are setup in measmatic
    p.StoreData("Capacitance", "", cp)
    p.StoreData("Conductance", "", gp)