Rate for the low number of County Digital events

Hello

I'm trying to use the example of digital counting examples DAQmx Events.vi to count the pulses of a photon counter.  As long as the light level is high enough, it works very well. But, when the light level is below a threshold, no count is read. I checked that's not because of the photon counter by testing with an independent instrument.

It seems like it might have something to do with the rate at which counted events are unloaded (PCIe-6321) hardware in the computer, that is, there is a minimum threshold of count indictment before such a transfer of data occurs. I'm voting for the number of levels of every 100ms.

Any help would be appreciated.

Thank you

Alex


Tags: NI Hardware

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