how do is program keithley 2400 source meter to control current output bu LabView? it this aviable in lv driver?

[Enrique]

It seems that there are LabVIEW drivers for your instrument. Check the Keithley website:

Model 2400 Digital SourceMeter
http://www.keithley.com/PRODUCTS/modelNumber_tmpl.jsp?modelNumbers=2400

And click "Software Downloads"

Regards;
EJV