Re : keithley kusb-488A and Labview

[s35148]

Hi,

I'm using a keithley GPIB kusb-488A to control a keithley 487 Picoammeter, and I'm having some problems with it interaction with labview.
I'm using LabVIEW 2010 and the GPIB driver from Keithley (version 9.2).
When I run the program "GPIB Diagnostic", everything is ok, but when I try to run my program it don't write the voltage in the device. It seems to read ok, but write wrong. I don't understand why, because this program runs ok in another computer in a older version of labview and GPIB driver.

Thanks for all your help,

Sílvia

[Ludovic R.]

Hi Silvia,

Could you post the VI(s) of the the "GPIB Diagnostic" program and of your program ?

Also could you tell me which older version of labview your program runs ok with ?

Thanks,

Ludovic

[s35148]

Hi Ludovic,

"GPIB Diagnostic" isn't a Vi, is a program from keithley which permit do a test to the device. And that test it's ok.
In the other computer I use a labview 8.0 and a GPIB driver from Keithley (version 8.3).
Now I can't put here my vi, but tomorrow I'll post.

Thanks,

Sílvia

[s35148]

Hi,

I send attached my vi and the library for the keithley 487.

Thanks for the help,
Sílvia

[s35148]

Hi,

I already solved the problem. It was related with the regions configurations, because I use "," instead of ".".

Thanks,
Sílvia