Hello,<br>
See the link below for a LabView Driver for the 2450.<br>
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https://www.tek.com/en/support/software/driver/keithley-2450-2460-2461-2470-native-labview-2015<br>
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Also, here is the reference manual which will include instructions on how to make front panel and remote current measurements as well as a list of ALL available commands for communicating with the 2450.<br>
<a href="https://www.tek.com/en/keithley-source-measure-units/keithley-smu-2400-series-sourcemeter-manual/model-2450-interactive-sou">Model 2450 Interactive SourceMeter Instrument Reference Manual | Tektronix</a><br>
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Hope this helps!