several sources triggers digital i/o card

I use the NOR-HSDIO Express (Acquisition) with map of the e/s high-speed digital (pxi-6542), to a Logic Analyzer.  It works fine but I need to use more than 1 source of relaxation, for example when 3 signals go data capture high (rising edge).  I don't see a way to do it in the window properties HSDIO Express, any ideas please?

Hey svt4cobra6,

I would recommend that you first find the summary of triggers using HSDIO page, and I think that you want to use a Model Match Trigger. Then you should check the Model Match Start Trigger (or similar reference C ) specific help. This trigger allows you to use a row of data to look at multiple sources of relaxation at the same time. So, if you have additional data lines, then use 3 of them and use the 'R' or 'r' in your start of model match trigger. For example do not care your pattern corresponds to 3 rows of data where there is a rising edge on the 3 lines at the same time could look like this, where 'x' is:

"xxxx xxxx xxxx xxxx xRRR.

I hope this helps.

Kind regards

DJ L.

Tags: NI Hardware

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