Keysight E4981A - Page 121

Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 121
Measurement Applications (Sample Programs)
Reading Measurement Results in ASCII Format Using :FETCh? Command
Example 9-8 Reading Measurement Results in Ascii Format using :FETCh? Command
Sub Example8()
'===================================
' Configuration
'===================================
Dim defrm As Long 'Session to Default Resource Manager
Dim Agte4981a As Long 'Session to instrument
Dim Result As String * 500
Dim Res As Variant
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
'===================================
ErrorCheck viVPrintf(Agte4981a, "SYST:PRES;*CLS" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "FORM ASC" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "APER:TIME 6" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "TRIG:SOUR BUS" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "CALC1:COMP OFF" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "INIT:CONT OFF" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "INIT" + vbLf, 0)
ErrorCheck viVPrintf(Agte4981a, "TRIG" + vbLf, 0)