You mean to see if the device is there without actually starting it?

If so, here:

UltimaSerial1.Device = 710
i = UltimaSerial1.ScanDevice(0)
If i > 0 Then
If UltimaSerial1.Device =710 then
'the device is in COM port i
End If
End If
UltimaSerial1.ScanDevice (255)


--- In ultimaserial_group@yahoogroups.com, abdulaziz_aydin <no_reply@...> wrote:
>
>
> Hi everybody
> I would like to ask about checking connection. how can I check wheather DAQ
board connection is open or close during data acqusition?
>
> sometimes our board connection has gone away and I couldnt check it
> is there any code?
>
> thanks a lot...
>