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Full Python driver for the Keithley 2600 series.

Project description

keithley2600

Full Python driver for the Keithley 2600 series source measurement units.

About

Keithley driver with access to base functions and higher level functions such as IV measurements, transfer and output curves, etc. Base commands replicate the functionality and syntax from the Keithley TSP functions, which have a syntax similar to python.

Warning:

There are currently no checks for allowed arguments in the base commands. See the Keithley 2600 reference manual for all available commands and arguments. Almost all remotely accessible commands can be used with this driver. Not supported are:

  • tspnet.execute() # conflicts with Python's execute command
  • lan.trigger[N].connected # conflicts with the connected attribute of Keithley2600Base
  • All Keithley IV sweep commands. We implement our own in the Keithley2600 class.

Usage:

Connect to the Keithley 2600 and perform some base commands:

>>> from keithley2600 import Keithley2600
>>> k = Keithley2600('TCPIP0::192.168.2.121::INSTR')
>>> k.smua.source.output = k.smua.OUTPUT_ON  # turn on smuA
>>> k.smua.source.levelv = -40 # sets smuA source level to -40V
>>> volts = k.smua.measure.v() # measures and returns the smuA voltage
>>> k.smua.measure.v(k.smua.nvbuffer1) # measures the voltage, stores the result in buffer
>>> k.smua.nvbuffer1.clear() # clears nvbuffer1 of smuA

Higher level commands defined in the driver:

>>> data = k.readBuffer(k.smua.nvbuffer1) # reads entries from nvbuffer1 of smuA
>>> k.setIntegrationTime(k.smua, 0.001) # in sec

>>> k.applyVoltage(k.smua, -60) # applies -60V to k.smua
>>> k.applyCurrent(k.smub, 0.1) # sources 0.1A from k.smub
>>> k.rampToVoltage(k.smua, 10, delay=0.1, stepSize=1) # ramps k.smua to 10V in 1V steps
>>> i = k.smua.measure.i() # measures current at smuA

>>> k.voltageSweepSingleSMU(smu=k.smua, smu_sweeplist=list(range(0, 61)),
...                         t_int=0.1, delay=-1, pulsed=False) # records an IV curve
>>> k.voltageSweepDualSMU(smu1=k.smua, smu2=k.smub, smu1_sweeplist=list(range(0, 61)),
...                       smu2_sweeplist=list(range(0, 61)), t_int=0.1, delay=-1,
...                       pulsed=False) # records dual SMU IV curve

Installation

Download or clone the repository. Install the package by running

$ pip install git+https://github.com/OE-FET/keithley2600

Documentation

See the Keithley 2600 reference manual here for all available commands and arguments.

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