Aligent 34401A and VISA

[Jens Hauger]

Hello,

After I downloaded the driver for the Aligent 34401A and tried to run
the example code, it wasn't possible. In nearly every SubVI there is
an class-conflict-error between the VISA-resource-name an for example
the VISA Wait on Event function. The same Error happens when I try to
run the example to communicate with the serial port, form the help.

Best regards

Jens

[Dennis_Knutson]

There's a couple 34401 drivers. One of those requires both recent IVI and VISA drivers. What versions of both do you have installed?

[Jens Hauger]

I've installed VISA driver Version 2.5. I don't know where I can find
the Version of the IVI driver. I'm working under Windows NT, with the
German Edition of LabVIEW 6i. In the Measurement & Automation Explorer
I get the message Could not get object reference for the hp34401a
Instrument driver.

Dennis Knutson wrote in message news:<50650000000500000092B90000-1031838699000@exchange.ni.com>...
> There's a couple 34401 drivers. One of those requires both recent IVI
> and VISA drivers. What versions of both do you have installed?

[Dennis_Knutson]

MAX lists the versions of all NI drivers installed. Open MAX and under My System, you'll see Software. Expand this and you should see an entry for IVI Engine. With LabVIEW 6i, I would think that you have a version compatible with the HP34401. You could try updating 6i to 6.0.2 and see if that helps. The upgrade is free and the bug fixes are worth it. The other thing is that the LabVIEW installation normally includes the HP34401 driver. Maybe your downloading and installation of another one caused something to get corrupted. Sorry if this isn't helping your problem.

[Jens Hauger]

I'll try to update my LabVIEW Version.

Thanks a lot!

Jens

Dennis Knutson wrote in message news:<506500000005000000CCB90000-1031838699000@exchange.ni.com>...
> MAX lists the versions of all NI drivers installed. Open MAX and under
> My System, you'll see Software. Expand this and you should see an
> entry for IVI Engine. With LabVIEW 6i, I would think that you have a
> version compatible with the HP34401. You could try updating 6i to
> 6.0.2 and see if that helps. The upgrade is free and the bug fixes are
> worth it. The other thing is that the LabVIEW installation normally
> includes the HP34401 driver. Maybe your downloading and installation
> of another one caused something to get corrupted. Sorry if this isn't
> helpi
ng your problem.