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Keithley 2602 VI / error in I/O

Hi folks,
´
I just started working with Labview for a study project. I want to use the Keithley 2602 for a long time (20h+) electrical resistance measurement. The device is connected to the PC via a USB-GPIB cable. While I am more or less clear in the basics of labview, I`m facing serious trouble setting up the approporiate VI.
 
I tried using the example VI for instrument I/O. With help of the assistant for instrument I/O, I`m able to send messages to the sourcemeter and make ist react, unfortunately, I get no data response on send queries (error message "Timeout expired before opreation completed. VISA-Statuscode: bfff0015")
 
Alternatively, I tried to use Keithleys device driver to make my very own VI, unfortunaly, I`m totally lost in the 40+ sub VIs offered by Keithley.
 
Maybe anyone has some simple VIs fpr GPIB which I can use?
 
greetings
Michel Greiner
 
 
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Hi MichelGreiner,

 

I have the same problem currently. Did you ever figure out a solution? If so could share the VI that worked for you please?

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