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Front Panel Menu Reference SCPI Command

Not available To enable voltage or current measurements:

SENS:ELOG:FUNC:VOLT ON

SENS:ELOG:FUNC:CURR ON

To enable min/max measurements:

SENS:ELOG:FUNC:VOLT:MINM ON

SENS:ELOG:FUNC:CURR:MINM ON

Keysight N7900 models have two current measurement ranges, a high and a low range (see

specifications ).A seamless current ranging function ensures that no data is lost due to range

switching.Seamless ranging is enabled by default.The commands to enable seamless current

measurement ranging are:

Front Panel Menu Reference SCPI Command

Not available To enable seamless elog autoranging:

SENS:ELOG:CURR:RANG:AUTO ON

Specify the Integration Period

The integration period can be set from a minimum of 102.4 microseconds to a maximum of 60 seconds.

Front Panel Menu Reference SCPI Command

Not available To setan integration period of 600 microseconds:

SENS:ELOG:PER 0.0006

During the integration period, Elog samples are averaged, and the minimum and maximum values are

tracked. At the end of each integration period the average, minimum, and maximum values are added

to the internal FIFO buffer.

Although the absolute minimum integration period is 102.4 microseconds, the actual minimum

depends on the number of measurements that are being logged. The formula is 102.4_microseconds

X #_of_measurements. For example:

102.4 microseconds: 1 measurement (voltage or current)

204.8 microseconds: 2 measurements (voltage and current)

409.6 microseconds: 4 measurements (voltage+min+max+current)

If the specified integration period is at or near the minimum logging intervals, the data format must be

specified as binary. If the REAL format is not specified, the data will be in ASCII format and the

minimum logging intervals will typically be up to five times longer than what can be achieved with

binary format.

Front Panel Menu Reference SCPI Command

Not available To setthe data format to REAL:

FORM[:DATA] REAL

Keysight N6900/N7900 Series Operating and Service Guide 159

4 Using the Advanced Power System

Keysight Technologies N6900 Series User Manual

Questions and Answers: