Reusing digital trigger on PCI-6733

[mwhite]

I am working with a PCI-6733 analog output card. I would like to use the digital trigger to start a waveform, then use it to start another waveform without stopping the first (then start a third while the first two are running, and so on). I don't need to reroute the trigger signal - all the pulses can (but don�t have to) come through the same PFI terminal.

I haven't been able to do this with NI-DAQmx (I get errors, e.g. -50103, -89137, saying the "resources are in use"). Is it possible? Can it be done using register level programming? - looking through the register level programming guides, I didn�t see anything that indicated setting a new trigger would stop the currently running waveforms.

Thanks in advance,

Matt

[LA 75]

Hello Matt,

I believe you can do it only if you use different PFI lines to trigger your waveforms. You won't be able to do it with one digital trigger, that's why you were getting those errors.

Try using three PFI lines to trigger each waveform and let me know if it works please.

LA