Agilent Technologies E1300B Especificaciones descargar pdf (Pagina 36)

Program Example

The following program example sends a SCPI command and returns the data into a string variable.

Sub Main ()

Dim Addr As Integer

Dim Cmd As String

Dim RdMsg As String * 256

Dim Length As Integer

Dim Act ual As Long

’ SCPI command

Cmd = “SYSTem:ERRor?” + Chr$(10)

’ Open communication path using GPIB address

Addr = iopen("hpib7,9,0")

’ Send SCPI command

Call iwrite(Addr, ByVal Cmd, Len(Cmd), 1, Actual)

’ Set space f or returned dat a

Length = 256

’ Get readings

Call iread(Addr, ByVal RdMsg, Length, 0, Actual)

’ Show readings

MsgBox RdMsg, 0

’ Close communication with instrument

Call iclose(Addr)

’ Clean up sicl (for Windows only)

Call siclcleanup

End

End Sub

2-4 Sending SCPI Commands

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