Programming Examples
38
Keysight P9241/42/43A Oscilloscopes SCPI Programmer's Guide
1209
DoQueryString(":TIMebase:POSition?")
' Set the acquisition type (NORMal, PEAK, AVERage, or HRESolution).
DoCommand ":ACQuire:TYPE NORMal"
Debug.Print "Acquire type: " + _
DoQueryString(":ACQuire:TYPE?")
' Or, configure by loading a previously saved setup.
' -----------------------------------------------------------------
Dim varSetupString As Variant
strPath = "c:\scope\config\setup.dat"
Open strPath For Binary Access Read As hFile
' Open file for input.
Get hFile, , varSetupString
' Read data.
Close hFile
' Close file.
' Write learn string back to oscilloscope using ":SYSTem:SETup"
' command:
DoCommandIEEEBlock ":SYSTem:SETup", varSetupString
Debug.Print "Setup bytes restored: " + CStr(LenB(varSetupString))
' Capture an acquisition using :DIGitize.
' -----------------------------------------------------------------
DoCommand ":DIGitize CHANnel1"
Exit Sub
VisaComError:
MsgBox "VISA COM Error:" + Err.Description
End
End Sub
'
' Analyze the captured waveform.
' -------------------------------------------------------------------
Private Sub Analyze()
On Error GoTo VisaComError
' Make a couple of measurements.
' -----------------------------------------------------------------
DoCommand ":MEASure:SOURce CHANnel1"
Debug.Print "Measure source: " + _
DoQueryString(":MEASure:SOURce?")
DoCommand ":MEASure:FREQuency"
varQueryResult = DoQueryNumber(":MEASure:FREQuency?")
MsgBox "Frequency:" + _
FormatNumber(varQueryResult / 1000, 4) + " kHz"
DoCommand ":MEASure:VAMPlitude"
varQueryResult = DoQueryNumber(":MEASure:VAMPlitude?")
MsgBox "Vertical amplitude:" + _
FormatNumber(varQueryResult, 4) + " V"
' Download the screen image.
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...
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...
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