before trigger with four cards PXI-6115

Hello

I have a PXI-1010 chassis with four cards PXI-6115, labeled boards 3, 4, 5, 6, installed in it.  Each of these cards has 4 analog inputs (BNC inputs).  In my current system, all four boards fire off the coast of the entrance on first 3 analog.  I'm using an analog trigger mounted on Board 3, which then triggers a trigger digital beginning on the boards, 4, 5 and 6.

Now, I would be able to take samples before firing.  I worked on this for a while and that seems to happen is that 3rd Chess Board properly triggers and takes samples of relaxation before, but plates 4, 5 and 6 are somehow trigger too late or early or something - they never record my test signal input of.

Can someone help me understand where I'm going wrong here?  I enclose my VI and also a picture of the important part of my block diagram.

Thank you!

It could be that you connect the number of samples per channel in the clocks of the sample for tables 4, 5 and 6. This will ensure that the task creates a buffer on your PC that is large enough to accommodate all the samples you want to read.

Also, why did you remove the structure of sequence? You need to ensure that the advice of slaves were armed in front of the master bedroom.

Here is a link to an example similar to what you're trying to do. This example acquires the data at different speeds on different boards, but it seems that everything is identical to what you are doing. I think it might be useful for you: https://decibel.ni.com/content/docs/DOC-11698

Jeremy P.

Tags: NI Hardware

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