Additional Sense Commands

The following additional sense commands are provided with the Agilent Dual Power Analyzer Option 020/022. These commands let you select a measurement source and the frequency measurement channel for the Power Analyzer input.

SENSe:NSELect

Selects the measurement source that will return data when a query is sent. A parameter value of 1 selects the Main Output, which measures the actual output voltage and current of the ac source. A value of 2 selects the Power Analyzer input, which measures the voltage and current at the V SENSE and I SENSE input channels. Note that this command is similar to, but not the same as, the command INSTrument:NSELect that is used in 3-phase sources.

Only the following commands are affected by the measurement source selection:

Queries beginning with MEASure or FETCh

SENSe:CURRent:ACDC:RANGe <range>

Command Syntax

SENSe:NSELect <NR1>

Parameters

1 2

*RST Value

1

Examples

SENS:NSEL 2

Query Syntax

SENSe:NSELect?

Returned Parameters

<NR1>

SENSe:FREQuency:SOURce

This command selects the frequency measurement source for the Power Analyzer input. It only applies when the Power Analyzer input is active.

Accurate frequency measurements are critical when making all Harmonic measurement calculations. Other measurement calculations also use frequency measurement values, but they only slightly affect the accuracy of the measurement. The ac source normally measures the frequency at the V SENSE input channel. With this comand you can select the I SENSE input channel as the frequency measurement source for the Power Analyzer input.

NOTE: For Main Output measurements, the ac source uses the programmed output frequency value when making measurement calculations.

Command Syntax

SENSe:FREQuency:SOURce <source>

Parameters

VOLTage CURRent

*RST Value

VOLTage

Examples

SENS:FREQ:SOUR CURR

Query Syntax

SENSe:FREQuency:SOURce?

Returned Parameters

<CRD>

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Agilent Technologies 5964-8134 manual Additional Sense Commands, SENSeNSELect, SENSeFREQuencySOURce

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