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Modifying CAN Signal Output Waveform.vi

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I have been working with the CAN Signal Output Waveform.vi trying to get data from my analogue input moduel (NI 9205) onto a CAN bus via my NI 9862.

 

I started off by working with the example VI; CAN Signal Output Waveform.vi (attached at the bottom of this post) and that worked fine, I could clearly see the data coming over the CAN bus into my analysis tool in real-time. To modify the vi I removed the Signal Generation components and added DAQmx Read blocks (again attached at the bottom of this post). When viewing the Waveform Chart window the changes I make to the input is reflected in the Waveform Chart window in real-time; however the data on the CAN bus is delayed by around 1 - 2 seconds. I am using the same XNET database in each setup so that isn't causing the issue.

 

The NI modules are housed inside a cDAQ-9178.

 

Thanks.

 

Richard

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