Picotest M3500A - Page 178

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Dim desc As String * VI_FIND_BUFLEN
Dim nList As Long
Dim ret As Long
Dim readin As String * 64
stat = viOpenDefaultRM(dfltRM)
If (stat < VI_SUCCESS) Then
'Rem Error initializing VISA ... exiting
MsgBox "USBTMC resource not found.", vbExclamation, "M3500 multimeter
device test"
Exit Sub
End If
Rem Find all M3500 USBTMC instruments in the system
stat = viFindRsrc(dfltRM, "USB[0-9]*::0x05E6::0xM3500::?*INSTR", fList,
nList, desc)
If (stat < VI_SUCCESS) Then
'Rem Error finding resources ... exiting
MsgBox "M3500 device not found.", vbExclamation, "M3500 multimeter
device test"
viClose (dfltRM)
Exit Sub
End If
Rem Open a session to each and determine if it matches
stat = viOpen(dfltRM, desc, VI_NULL, VI_NULL, sesn)
If (stat < VI_SUCCESS) Then
MsgBox "Open device failed.", vbExclamation, "M3500 multimeter device
test"
stat = viClose(fList)
Exit Sub
End If
Rem send reset command '*RST' -- reset M3500
stat = viWrite(sesn, "*RST", 4, ret)
If (stat < VI_SUCCESS) Then
MsgBox "System command error. (*RST)", vbExclamation, "M3500
multimeter device test"