Redeclenchables waveforms with the outbreak of the external stop

This is my first question on the forum, please bear with me...

I have a crate PXI with three cards Series DAQ NI X SMU-6341. I have searched the forums and the standard examples of Labview, trying to learn how to do the following, but I'm a little hard. We have a controller of programmable engine which will continuously sweep a rotation axis and emit a TTL of pulses each degrees X to synchronize data acquisition. I need samples from several channels simultaneously Records: encoders quadrature, counters for a couple of external V2Fs, some simple tension. I am using Labview-13, 0 to do the following:

(1) start a life-long that samples across channels in a frequency (say 100-1000 Hz). The samples must be synchronized, changes in the calendar because of multiplexing are not a concern.

(2) receives the signal TTL of motion control causes the series of data for each channel to be stored in memory or file, starts the next continuous acquisition

(3) repeat (2) until data sets have been acquired, or acquisition is interrupted

Could someone please offer advice? Y at - it I can provide additional information?

Thank you

Darren

I think that the behavior you're seeing can be attributed to the implicit Instance of Timing.vi DAQmx for your special frequency pulse output counter. Leaving the sample entry empty Mode you have left in the default configuration for a generation finished that work generate 1000 impulses. Also good grip on the DAQmx Task.vi start, in my haste, I forgot to include this feature.

Kind regards

Izzy O.

Tags: NI Hardware

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