Keysight.py

import visa
import numpy as np

from matplotlib import pyplot as plt

rm = visa.ResourceManager()

scope = rm.open_resource('TCPIP::172.22.22.30::inst0::INSTR')
scope.timeout = 5000
scope.clear()

print(scope.query("*IDN?"))

def capture(channel):
    scope.write(f':DIGitize CHANnel{channel}')
    scope.write(':WAVeform:FORMat WORD')
    scope.write(f':WAVeform:SOURce CHANnel{channel}')

    values = scope.query_binary_values(':WAVeform:DATA?',
        datatype='H', container=np.array)

    xorg = scope.query_ascii_values(':WAVeform:XORigin?')[0]
    xinc = scope.query_ascii_values(':WAVeform:XINcrement?')[0]
    yorg = scope.query_ascii_values(':WAVeform:YORigin?')[0]
    yinc = scope.query_ascii_values(':WAVeform:YINcrement?')[0]
    yref = scope.query_ascii_values(':WAVeform:YREference?')[0]

    U = yorg + yinc*values
    t = np.arange(xorg, xorg + len(U)*xinc, xinc)

    return t, U

# configure the oscilloscope over the front panel to use external,
# rising edge trigger signal in normal mode
input("configure scope and press enter when ready")

# get values
t, U = capture(1)

# plot result
plt.plot(t, U)
plt.xlabel('Time [s]')
plt.ylabel('Voltage [V]')
plt.show()