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taking 100 DCV measurements with constant duration using Keithley 2700

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liuzhiyi18
Posts: 1
Joined: January 15th, 2019, 5:41 am
Country: China

taking 100 DCV measurements with constant duration using Keithley 2700

Post by liuzhiyi18 » January 15th, 2019, 6:00 am

Hi,All:

I want to use Keithley 2700 DMM to take about 100 measurements (DCV, single channel) with a constant time interval. I use SCPI command in MATLAB scripts.

In order to control the time interval, I use the following commands:
======================
TRAC:FEED SENS
TRACe:POINts 100
TRAC:FEED:CONT NEXT
TRIG:COUN 100
TRIG:SOUR TIM
TRIG:TIMer 0.5
SAMP:COUN 1
READ?
=====================
However, the PC will receive only the latest reading.
How can I store all the 100 readings into the internal buffer, and receive all of them after the measurements?

Dale C
Keithley Applications
Keithley Applications
Posts: 2845
Joined: June 10th, 2010, 6:22 am
Country: United States
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Re: taking 100 DCV measurements with constant duration using Keithley 2700

Post by Dale C » January 22nd, 2019, 11:42 am

Start off the program sequence of commands with a
*RST
Then when ready to take data send the
:INIT
command.
Then when you want the data send
:TRACE:DATA?
That should send back all 100 points of measurement stored in the buffer when addressed to talk.
Hope this helps.

jlynch
Posts: 2
Joined: March 13th, 2019, 5:49 am
Country: Burkina Faso

Re: taking 100 DCV measurements with constant duration using Keithley 2700

Post by jlynch » March 13th, 2019, 5:57 am

d

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