Files
instrument-control/old/Keithley196_commands.py
T
2026-06-03 15:19:54 +02:00

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Python
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# -*- coding: utf-8 -*-
"""
Created on Wed Oct 05 14:27:45 2022
@author: Jamie
"""
# Function for controlling Keithly-196 for electrical measurements
# Function to output voltage in Volts
# Keithley is the VISA resource for the Keithley-196
def Voltage(Keithley):
Keithley.write("X\n")
Voltage_string = Keithley.read()
Voltage = float(Voltage_string[4:])
return Voltage
# Function to set measurement mode
# Keithley is the VISA resource for the Keithley-196
# mode is the measurement mode
def Set_Mode(Keithley, mode):
if mode == "DC V":
mode_number = 0
elif mode == "AC V":
mode_number = 1
elif mode == "Ohm":
mode_number = 2
elif mode == "DC I":
mode_number = 3
elif mode == "DC I":
mode_number = 4
elif mode == "AC I":
mode_number = 5
elif mode == "ACV dB":
mode_number = 6
elif mode == "Offset comp Ohm":
mode_number = 7
Keithley.write("F"+str(mode_number))
# Function to set voltage range
# Keithley is the VISA resource for the Keithley-196
# range_name is the number of the range setting (numbers in V)
def Set_Range(Keithley, range_name):
if range_name == "Auto":
range_number = 0
elif range_name == "0.3":
range_number = 1
elif range_name == "3":
range_number = 2
elif range_name == "30":
range_number = 3
elif range_name == "300":
range_number = 4
Keithley.write("R"+str(range_number)+"X")