Programming Examples
38
Keysight P9241/42/43A Oscilloscopes SCPI Programmer's Guide
1249
'
' Keysight VISA Example in Visual Basic
' -------------------------------------------------------------------
' This program illustrates a few commonly-used programming
' features of your Keysight oscilloscope.
' -------------------------------------------------------------------
Option Explicit
Public err As Long
' Error returned by VISA function calls.
Public drm As Long
' Session to Default Resource Manager.
Public vi As Long
' Session to instrument.
' Declare variables to hold numeric values returned by
' viVScanf/viVQueryf.
Public dblQueryResult As Double
Public Const ByteArraySize = 5000000
Public retCount As Long
Public byteArray(ByteArraySize) As Byte
Public paramsArray(2) As Long
Public Const DblArraySize = 20
Public dblArray(DblArraySize) As Double
' Declare fixed length string variable to hold string value returned
' by viVScanf/viVQueryf.
Public strQueryResult As String * 200
' For Sleep subroutine.
Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
'
' Main Program
' -------------------------------------------------------------------
Sub Main()
' Open the default resource manager session.
err = viOpenDefaultRM(drm)
If (err <> VI_SUCCESS) Then HandleVISAError drm
' Open the session using the oscilloscope's VISA address.
err = viOpen(drm, _
"TCPIP0::10.112.94.136::hislip9-0.0::INSTR", 0, 15000, vi)
If (err <> VI_SUCCESS) Then HandleVISAError drm
' Set the I/O timeout to ten seconds.
err = viSetAttribute(vi, VI_ATTR_TMO_VALUE, 10000)
If (err <> VI_SUCCESS) Then HandleVISAError vi
' Initialize - start from a known state.
Initialize
' Capture data.
Capture
' Analyze the captured waveform.
Analyze
Содержание P9241
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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...
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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...
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