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Displaying the measurement in front panel during sourcing

Model 2651A
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bioelectronics
Posts: 1
Joined: January 23rd, 2014, 4:48 pm
Country: South Korea

Displaying the measurement in front panel during sourcing

Post by bioelectronics » January 23rd, 2014, 4:57 pm

I am trying to use LabView (VISA write) to control the unit and do the following:

Source current every 2 ms (current level changes every 2 ms)
Measure the voltage
Display at the front panel
Repeat for different current levels for some time.

I tried to use 'display.smua.measure.func=display.MEASURE_DCVOLTS", but somehow does not work.

Does anyone know if this is a possible task? Somehow, it is not working in remote control mode...

Any comment will be helpful!

Andrea C
Keithley Applications
Keithley Applications
Posts: 1280
Joined: October 15th, 2010, 10:35 am
Country: United States
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Re: Displaying the measurement in front panel during sourcin

Post by Andrea C » January 24th, 2014, 4:19 am

Hello,

If the rate of the source-measure loop is fast, update of the front panel will be suspended. Front panel updates are lower priority than keeping up with the requested source-measure operations. At your 2msec rate, I suspect this is the case.

Andrea

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