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Section

14: TSP command reference 2470 High Voltage SourceMeter Instrument Reference Manua

14-40 2470-901-01 Rev. A / May 2019

Details

This attribute contains the timestamps (date, hours, minutes, seconds, and fractional seconds) of

readings stored in the reading buffer.

When using the compact buffer style, there is a very small drift between the triggering clock and the

timestamp clock, which may result in timestamp truncation and discontinuities over time. The

triggering of the measurement remains periodic based on the sample period without any apparent

discontinuities.

Example 1

reset()

testData = buffer.make(50)

trigger.model.load("SimpleLoop", 3, 0, testData)

trigger.model.initiate()

waitcomplete()

print(testData.timestamps[1])

Create a reading buffer named

testData

, configure the instrument to make three measurements, and store

the readings in the buffer.

Print the first reading date.

Output:

03/01/2018 14:46:07.714614838

Example 2

for x = 1, 3 do printbuffer(x, x, testData.timestamps) end

For the buffer created in Example 1, print the timestamps for the readings.

Output:

03/01/2018 14:46:07.714614838

03/01/2018 14:46:08.100468838

03/01/2018 14:46:08.487631838

Also see

buffer.delete() (on page 14-9)

buffer.make() (on page 14-12)

bufferVar.clear() (on page 14-18)

print() (on page 14-99)

printbuffer() (on page 14-100)

Reading buffers (on page 6-1)

Remote buffer operation (on page 6-25)

Tektronix Keithley SourceMeter 2470 Reference Manual

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