1192
Keysight P9241/42/43A Oscilloscopes SCPI Programmer's Guide
36
Synchronizing Acquisitions
try:
KsInfiniiVisionX = rm.open_resource(VISA_ADDRESS)
except Exception:
print "Unable to connect to oscilloscope at " + str(VISA_ADDRESS)\
+ ". Aborting script.\n"
sys.exit()
# Set the Global Timeout
KsInfiniiVisionX.timeout = GLOBAL_TOUT
# Clear the instrument bus
KsInfiniiVisionX.clear()
# Clear all status registers and errors
KsInfiniiVisionX.write("*CLS")
try:
# Set up the oscilloscope
# ----------------------------------------------------------------
# Note that you would normally perform a reset (default setup) if
# you were to create the setup from scratch... But here we will
# use the oscilloscope "as is" for the most part.
# KsInfiniiVisionX.query("*RST;*OPC?")
# Resets the oscilloscope
# Always stop the oscilloscope when making any changes.
KsInfiniiVisionX.query(":STOP;*OPC?")
# For this example, the oscilloscope will be forced to trigger on
# the # (AC input power) LINE voltage so something happens.
# Always use normal trigger sweep, never auto.
KsInfiniiVisionX.write(":TRIGger:SWEep NORMal")
# This line simply gives the oscilloscope something to trigger on.
KsInfiniiVisionX.query(":TRIGger:EDGE:SOURce LINE;*OPC?")
# Clear the display (so you can see the waveform being acquired -
# otherwise, there is no need for this).
KsInfiniiVisionX.write(":CDISplay")
# Calculate acquisition timeout/wait time by short, overestimate
# method
# ----------------------------------------------------------------
# Create some default variables
N_AVERAGES = 1
N_SEGMENTS = 1
# Get some info about the scope time base setup
HO
= float(KsInfiniiVisionX.query(":TRIGger:HOLDoff?"))
T_RANGE
= float(KsInfiniiVisionX.query(":TIMebase:RANGe?"))
T_POSITION = float(KsInfiniiVisionX.query(":TIMebase:POSition?"))
# Determine Acquisition Type and Mode:
ACQ_TYPE = str(KsInfiniiVisionX.query(":ACQuire:TYPE?").strip("\n"))
ACQ_MODE = str(KsInfiniiVisionX.query(":ACQuire:MODE?").strip("\n"))
if ACQ_MODE == "SEGM":
Содержание P9241
Страница 1: ...Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide...
Страница 6: ...6 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide...
Страница 36: ...36 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 1 What s New...
Страница 41: ...Setting Up 2 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 41...
Страница 44: ...44 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 2 Setting Up...
Страница 222: ...222 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 7 Root Commands...
Страница 244: ...244 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 8 ACQuire Commands...
Страница 256: ...256 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 9 CALibrate Commands...
Страница 278: ...278 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 10 CHANnel n Commands...
Страница 328: ...328 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 15 EXTernal Trigger Commands...
Страница 386: ...386 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 17 FUNCtion m Commands...
Страница 390: ...390 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 18 HCOPY Commands...
Страница 416: ...416 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 20 MARKer Commands...
Страница 498: ...498 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 21 MEASure Commands...
Страница 532: ...532 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 22 MTESt Commands...
Страница 572: ...572 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 24 SAVE Commands...
Страница 596: ...596 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 25 SBUS n Commands SBUS n A429 SOURce on page 588...
Страница 900: ...900 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 28 TIMebase Commands...
Страница 1080: ...1080 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 31 WGEN w Commands...
Страница 1142: ...1142 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 34 Error Messages...
Страница 1204: ...1204 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 37 More About Oscilloscope Commands...
Страница 1344: ...1344 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide Index...