upgrade from labiew 6 to 8 and getting a visa error with usb to gpib.

[needbe19]

I just upgraded to Labview 8 from Labview 6.1.  I had a program that talked to a power supply by a usb to gpib device and it worked fine till I upgraded.  Using the visa write function and get error #1073807195 occured at VISA write

possible reasons:

VISA: (Hex 0xBFFF00A5) The interface type is valid, but the specifed interface number is not confiqured.

The name is GPIB0::16:INSTR, and it is a Agilent 82357A USB/GPIB

The interface number for my device is set to 0 and the default for labview is 0.  The device still works because I can send it signals through the software that came with the GPIB.  Everything seems set to channel 16.  I can't find the problem any help would be much appricated.

[MichaelChaney]

Hi needbe19,

When you installed LabVIEW 8.0, did you install the Driver CD that came with it?  This Driver CD will install a newer version of NI-VISA that supports LabVIEW 8.0.  You will need to reconfigure NI-VISA in the Measurement & Automation Explorer to be able to use your Agilent USB/GPIB controller.  Here is a KnowledgeBase article that describes how this is done.  Be sure to only use the Agilent Libraries upto version 14.0.  Version 14.1 has known incompatibilities with our NI-488.2 driver.