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Keysight InfiniiVision M9241/42/43A PXIe Oscilloscopes SCPI Programmer's Guide
40
Programming Examples
result = InfiniiVision.query("%s" % query)
check_instrument_errors(query)
return result
# =========================================================
# Send a query, check for errors, return floating-point value:
# =========================================================
def do_query_number(query):
if debug:
print "Qyn = '%s'" % query
results = InfiniiVision.query("%s" % query)
check_instrument_errors(query)
return float(results)
# =========================================================
# Send a query, check for errors, return binary values:
# =========================================================
def do_query_ieee_block(query):
if debug:
print "Qys = '%s'" % query
result = InfiniiVision.query_binary_values("%s" % query, datatype='s')
check_instrument_errors(query)
return result[0]
# =========================================================
# Check for instrument errors:
# =========================================================
def check_instrument_errors(command):
while True:
error_string = InfiniiVision.query(":SYSTem:ERRor?")
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'" % comma
nd
print "Exited because of error."
sys.exit(1)
# =========================================================
# Main program:
# =========================================================
rm = visa.ResourceManager("C:\\Windows\\System32\\agvisa32.dll")
Содержание InfiniiVision M9241A
Страница 1: ...Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide ...
Страница 52: ...52 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 2 Setting Up ...
Страница 178: ...178 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 5 Commands Quick Reference ...
Страница 246: ...246 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 7 Root Commands ...
Страница 268: ...268 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 8 ACQuire Commands ...
Страница 280: ...280 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 9 CALibrate Commands ...
Страница 354: ...354 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 15 EXTernal Trigger Commands ...
Страница 412: ...412 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 17 FUNCtion m Commands ...
Страница 416: ...416 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 18 HCOPY Commands ...
Страница 442: ...442 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 20 MARKer Commands ...
Страница 588: ...588 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 23 MTESt Commands ...
Страница 692: ...692 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 24 POWer Commands ...
Страница 1062: ...1062 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 30 TIMebase Commands ...
Страница 1250: ...1250 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 33 WGEN w Commands ...
Страница 1306: ...1306 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 35 Obsolete and Discontinued Commands ...
Страница 1314: ...1314 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 36 Error Messages ...
Страница 1376: ...1376 Keysight InfiniiVision M9241 42 43A PXIe Oscilloscopes SCPI Programmer s Guide 39 More About Oscilloscope Commands ...