Keysight E4981A - Page 133

Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 133
Measurement Applications (Sample Programs)
Reading Measurement Results Using Data Buffer
Example 9-12 Reading Measurement Results in Ascii Format using Data Buffer
Sub Example12()
'===================================
' Configuration
'===================================
Dim defrm As Long 'Session to Default Resource Manager
Dim Agte4981a As Long 'Session to instrument
Dim Result As String * 500
Dim PSData As Variant
Dim Res(5, 5) As Variant
Dim NoofMeas As Integer, i As Integer, j As Integer, k As Integer
Dim outEventType As Long, outEventContext As Long
Const TimeOutTime = 30000
On Error GoTo ErrorHandler
'===================================
' Open Instrument
'===================================
ErrorCheck viOpenDefaultRM(defrm)
Call SelectMode(defrm, Agte4981a)
ErrorCheck viSetAttribute(Agte4981a, VI_ATTR_TMO_VALUE, TimeOutTime)
'===================================
' Setup Start
'===================================
NoofMeas = 5
ErrorCheck viVPrintf(Agte4981a, "SYST:PRES;*CLS" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "FORM ASC" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "DATA:POIN:BUF3 " + CStr(NoofMeas) + vbLf,
0)
ErrorCheck viVPrintf(Agte4981a, ":DATA:FEED:CONT:BUF3 ALW" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "APER:TIME 6" + vbLf, 0)