connecting Novatech 409B signal generator with labview

[DrHari]

Hi 

I am trying to connect Novatech 409B signal generator through labview. The instrument and the computer are connected through R232 to USB cable. I could commnunicate the instrument through the instrument software which means that connection is fine. But in the labview there is no connected insturment is showing. 

Also novatech 409 instrument driver folder is in the labview instrument folder. But I could not find in labview (installed drivers option).

[RTSLVU]

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@DrHari wrote:

Hi 

I am trying to connect Novatech 409B signal generator through labview. The instrument and the computer are connected through R232 to USB cable. I could commnunicate the instrument through the instrument software which means that connection is fine. But in the labview there is no connected insturment is showing. 

Also novatech 409 instrument driver folder is in the labview instrument folder. But I could not find in labview (installed drivers option).

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A couple things here...

1. Instruments that use a Com port (real or virtual) will NOT show up as a "connected instrument" in NI-MAX
   1. All you will see is the Com port or Virtual Com port the USB-Serial Adaptor installs 
   2. You can rename the Com port with the VISA Alias in NI-MAX to make it easier to identify in LabVIEW 
2. LabVIEW "Plug and Play Drivers" are nothing more than the instruments SCPI commands pre-rolled into VI's
   1. I don't know where the "installed drivers option" is but if you put the directory containing the drivers in your instr.lib directory
   2. The VI's for your instrument should show up in the Functions Menu under Instrument I/O-->Instr Drivers with all the others

[DrHari]

Thanks a lot for your reply and help.

I could select the respective COM for the instrument visa resource name. 

But There is an identity error when I run the program.

What might be the issue?