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2600S-901-01 Rev. C / January 2008 Return to Section Topics 7-11

Series 2600 System SourceMeter® Instruments Reference Manual Section 7: Buffer (Data Store)

Dynamically allocated buffer example

The listing below shows a programming example for storing data using an allocated buffer called

mybuffer for Channel A. The SourceMeter stores 100 current readings in mybuffer and then

recalls all the readings.

smua.reset() -

Restore Series 2600 defaults.

smua.measure.autorangei = smua.AUTORANGE_ON -

Select measure auto range.

format.data = format.ASCII -

Select ASCII data format.

mybuffer = smua.makebuffer(100) -

Allocate mybuffer, 100 readings.

smua.measure.count = 100 -

Set buffer count to 100.

smua.measure.interval = 0.1 -

Set measure interval to 0.1s.

smua.source.func = smua.OUTPUT_DCVOLTS -

Select source voltage function.

smua.source.levelv = 1 -

Output 1V.

smua.source.output =smua.OUTPUT_ON -

Turn on output.

smua.measure.overlappedi(mybuffer) -

Store current readings in mybuffer.

waitcomplete() -

Wait for buffer to fill.

smua.source.output =smua.OUTPUT_OFF -

Turn off output.

printbuffer(1, 100, mybuffer) -

Return readings 1-100 from

mybuffer.

mybuffer = nil -

Delete mybuffer.

Keithley 2601 Reference Manual

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