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Disabling negative voltage NI PXIe-4140

I'm confused about the functionality of the niDC Power Configure Voltage Level Range VI -- For 4140 SMUs an input value x specifies a voltage range from -x to +x correct?

I'd like to range from 0 to +x only (disabling the output of negative voltages).  Is there an ni power configuration I can use to achieve this?

 

 

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Hi bbentelin,

 

The Configure Voltage Level Range VI is not really meant to set an allowed output range. Instead it helps the device determine what the maximum output it should be prepared to output.

 

You can read more about ranges here:

http://zone.ni.com/reference/en-XX/help/370736R-01/ni_dc_power_supplies_help/ranges/

 

If you do not want to output negative voltages, the simplest way to do this is to avoid calling Configure Voltage Level.vi with a negative voltage level input parameter.

Dale S.
RF Systems Engineer - NI
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