To Next Page

To Previous Page

840 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide

36 Programming Examples

# Check for instrument errors:

# =========================================================

def check_instrument_errors(command):

while True:

myScope.WriteString(":SYSTem:ERRor?", True)

error_string = myScope.ReadString()

if error_string: # If there is an error string value.

if error_string.find("+0,", 0, 3) == -1: # Not "No error".

print "ERROR: %s, command: '%s'" % (error_string, command)

print "Exited because of error."

sys.exit(1)

else: # "No error"

break

else: # :SYSTem:ERRor? should always return string.

print "ERROR: :SYSTem:ERRor? returned nothing, command: '%s'" \

% command

print "Exited because of error."

sys.exit(1)

# =========================================================

# Main program:

# =========================================================

rm = CreateObject("VISA.GlobalRM", \

interface=VisaComLib.IResourceManager)

myScope = CreateObject("VISA.BasicFormattedIO", \

interface=VisaComLib.IFormattedIO488)

myScope.IO = \

rm.Open("USB0::0x2A8D::0x1797::CN56240004::0::INSTR")

# Clear the interface.

myScope.IO.Clear

print "Interface cleared."

# Set the Timeout to 15 seconds.

myScope.IO.Timeout = 15000 # 15 seconds.

print "Timeout set to 15000 milliseconds."

# Initialize the oscilloscope, capture data, and analyze.

initialize()

capture()

analyze()

print "End of program"

Keysight Technologies InfiniiVision DSOX1204A User Manual

Questions and Answers: