Instrument Control (GPIB, Serial, VISA, IVI)

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What is the 0x3FFF8110 attribut ?

Hi,

While trying to debug my system with NI-Spy, I've found strange behavior in the NI-VISA Interactiv Control tool.
When the NI-VISAIC tool is launched, it scans for devices handled by the VISA library using the ViFindRsc() and ViFindNext() functions.
At the end of this scan, this utility get a attributs which is identified as 0x3FFF8110 (see attached file).
This attribut value isn't documented in the VISA.h file, neither in the NI-VISA provided documentation.
The NI-Spy tool doesn't recognise this attribut either.

What does this attribut is supposed to be ?
Is this a bug of my test system ?

My configuration is :
Industrial PC
Microsoft Windows NT 4
VenturCom RTX 4.3.1
NI-488.2 1.50
NI-VISA 2.6.1
NI-VXI 3.3

IVI Engine 1.83

Sincerely,
Rémi THEVENIN
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Hi Remi,

That attribute is for VI_ATTR_RESMAN_STATUS. I am confident that it is not causing the problems in your system. It typically deals with VXI systems, but will probably fail in your system (It did in mine) if you are not using VXI based systems.

Hope this helps out!

Best Regards,
Aaron K.
Application Engineer
National Instruments
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Hi,

Thanks for the info !

For a completly different issue, I'm wondering if this attribut can be used to know if the VXI Ressource Manager execution was successfull or not ?
My issue being that I launch the VXI ResMan automatically and can't find a way to get its result (success or failure with an associed error code/message).

Sincerely,
Rémi THEVENIN
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Hi Remi,

You may want to post this question over in the VXI forum as they would be able to help you where I could not. I honestly don't know anything about VXI and could not even begin to help you with that question! 🙂

Best Regards,
Aaron K.
Application Engineer
National Instruments
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