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brucexliu

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About brucexliu

  • Rank
    LAVA groupie

LabVIEW Information

  • Version
    LabVIEW 2012
  • Since
    2008
  1. Thanks for your methond. But unfortunately, I could not use the producer/consumer because of the data dependancy. The processing function in PXI A depend on the latest data of last loop from PXI B. And so does PXI B. In other word the data need to be synchronized. So all the program need to be done in 100us.
  2. It's PXI-RT, And yes, A 2MB/s is not high speed. But when I need a frequently transfering and receiving function in a determined loop rate, it is... Here is how my application works. PXI A and PXI B are synchronized using a 10K trigger signal. PXI A: Loop Rate 10K, Read 12 DBL from PXI B -->Processing-->Send 12 DBL to PXI B PXI B: Loop Rate 10K, Read 12 DBL from PXI A -->Processing-->Send 12 DBL to PXI A the transfer part took more time than I thought.. My processing part will take about 50us, and the transfer data take about 70us while using reflective memory(GE 5565)...
  3. Hi, I am doing a project which required high speed data commnication between 2 chassis. 24 Double digital numbers in a loop rate 10K. The first thing come to my mind is using reflective memory. But the result is not good enough. The data transfer tooks 80% of time in the 10K loop, Then to avoid loop late, I could not do any thing else in this loop. Is there any option else? Maybe using digital I/O in FPGA card? Thanks in advance!
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