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How to configure the digital waveform acquisition/generation trigger

Hi,

I need to be able to trigger the start of digital waveform acquisition or generation on PXI-6259. And I use AI Sample Clock or AO Sample Clock as the
source of DI/DO Sample Clock.

 

I use the founction DAQmxCfgDigEdgeStartTrig() in CVI to configuer the trigger, but there is an error:-200452.

 

Could you please provide me more info of how to initiate pulses on AI Sample Clock (and therefore on DI Sample Clock)?Please provide me general idea of how to  resolve such thing in the LabWindows/CVI.

 

Thanks.

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