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2425 Front Panel Measurement in Remote Mode

Models 2400, 2401, 2410, 2420, 2425, 2430, 2440, 6430
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berger.156
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2425 Front Panel Measurement in Remote Mode

Post by berger.156 » December 28th, 2011, 2:46 pm

I'm performing a source voltage sweep with a K2425 using GPIB communication with a LabVIEW program. It would be useful to have the front panel of the SourceMeter continue to update the measured output current during this voltage sweep. However, it seems that as soon as the unit is in remote mode (after receiving a GPIB command), it no longer updates the front panel display with either the measured current (or voltage for that matter). Is my only option to also read the measured current with the LabVIEW program?

Nathan S
Keithley Applications
Keithley Applications
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Re: 2425 Front Panel Measurement in Remote Mode

Post by Nathan S » December 30th, 2011, 10:45 am

The issue you're seeing is because when in remote there after the sweep, it has finished all the triggering set up for the sweep so it is not setup such that it has any more triggers to take readings. You could put it back to Local mode after you have read the data from the output queue into your LabView program using the system key approach -- that is, send :SYST:KEY 23 to the 2400. This would put it back into local mode by making it think you pushed the LOCAL button on the front panel. It will go back into remote the next command you send to the unit. This is probably the easiest and most straight forward approach such that you continuously read data after your sweep assuming you have left the output on.

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