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Keithley 2400 -410/-420 error, GPIB

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Hi,

 

The following error codes are being displayed on my Keithley 2400 when running a VI that I am working on:

 

-410, "Query INTERRUPTED"

-420, "Query UNTERMINATED"

 

When running my VI with highlighted execution, I found that these two errors occur at VISA Write and VISA Read, respectively.  These two errors are then followed up by LabVIEW error -1073807339.  Communication between my computer and the Keithley 2400 is done via a GPIB cable and SCPI commands.  I have attached the VI to this post if anyone wishes to view it. 

 

Any help is greatly appreciated!

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Please use Help> Find Instrument Drivers before trying to write your own code.
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