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measurement with noise

Hello,

 

I have a NI-DAC-9172 housing with the module NI9263 connected to an programmable power supply (for voltage input and current limitation) and the NI9205 "analogue in" that receives the signal back from the power supply.

Info: Power supply as a small digital display where is possible to see the voltage and current at the system

 

Problem:Voltage measurement with noise => Max measured voltage match with the output voltage supplyCurrent measurement with noise => difficult to see... (at the files you have the current value showed by power supply Additional info:The voltage output from the power supply to the NI cDAC is stable => measured with multimeterThe only difference between channels is the factor I am using => Voltage (factor 2) to Current (factor 13)Power supply input/output 0-10V (for programmable use) /// Power supply operational output range 0-20V / 0-130A Script:Voltage and Current command over Diadem         => Status workingVoltage and Current writing in diadem                  => Status "noise" Question: Do you have any guess how can I solve this problem? Thanks

Pedro

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Hi Pedro,

 

Is this really a DIAdem question?  Are you wanting to remove the noise from signals you've stored from DAQ to a data file (TDMS?), or are you instead asking about how to configure the DAQ aquisition?  If the latter is the case, you're barking up the wrong forum...

 

Brad Turpin

DIAdem Product Support Engineer
National Instruments

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