Synchronizing Acquisitions
37
Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide
1079
Blocking Synchronization
Use the :DIGitize command to start the acquisition. This blocks subsequent
queries until the acquisition and processing is complete. For example:
'
' Synchronizing acquisition using blocking.
' ===================================================================
Option Explicit
Public myMgr As VisaComLib.ResourceManager
Public myScope As VisaComLib.FormattedIO488
Public varQueryResult As Variant
Public strQueryResult As String
Sub Main()
On Error GoTo VisaComError
' Create the VISA COM I/O resource.
Set myMgr = New VisaComLib.ResourceManager
Set myScope = New VisaComLib.FormattedIO488
Set myScope.IO = myMgr.Open("TCPIP0::130.29.69.12::inst0::INSTR")
myScope.IO.Clear
' Clear the interface.
' Set up.
' -----------------------------------------------------------------
myScope.WriteString ":TRIGger:MODE EDGE"
myScope.WriteString ":TRIGger:EDGE:LEVel 2"
myScope.WriteString ":TIMebase:SCALe 5e-8"
' Acquire.
' -----------------------------------------------------------------
myScope.WriteString ":DIGitize"
' Get results.
' -----------------------------------------------------------------
myScope.WriteString ":MEASure:RISetime"
myScope.WriteString ":MEASure:RISetime?"
varQueryResult = myScope.ReadNumber
' Read risetime.
Debug.Print "Risetime: " + _
FormatNumber(varQueryResult * 1000000000, 1) + " ns"
Exit Sub
VisaComError:
MsgBox "VISA COM Error:" + Err.Description
End Sub
Содержание InfiniiVision 3000 X-Series
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Страница 54: ...54 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 2 Setting Up...
Страница 68: ...68 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 3 Getting Started...
Страница 152: ...152 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 4 Commands Quick Reference...
Страница 218: ...218 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 6 Root Commands...
Страница 242: ...242 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 8 BUS n Commands...
Страница 280: ...280 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 11 DEMO Commands...
Страница 288: ...288 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 12 DIGital d Commands...
Страница 306: ...306 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 14 EXTernal Trigger Commands...
Страница 340: ...340 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 15 FUNCtion Commands...
Страница 358: ...358 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 16 HARDcopy Commands...
Страница 378: ...378 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 18 MARKer Commands...
Страница 446: ...446 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 19 MEASure Commands...
Страница 466: ...466 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 20 MEASure Power Commands...
Страница 502: ...502 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 22 POD Commands POD1 DISP 0 THR 1 40E 00...
Страница 564: ...564 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 23 POWer Commands...
Страница 842: ...842 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 29 TIMebase Commands...
Страница 1046: ...1046 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 34 Obsolete and Discontinued Commands...
Страница 1054: ...1054 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 35 Error Messages...
Страница 1076: ...1076 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 36 Status Reporting...
Страница 1086: ...1086 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 37 Synchronizing Acquisitions...
Страница 1216: ...1216 Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 39 Programming Examples...
Страница 1231: ...Index Agilent InfiniiVision 3000 X Series Oscilloscopes Programmer s Guide 1231 zoomed window horizontal scale 841...
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