Thank's man. The question now is, why I have a two VI, how can I put my DAQ NI USB 6008 to this VI? Generaly that is what i'm asking just one thing is problem. Could you please make the *.csv file write correctly, like Time (CELL 1), T1 (CELL 2),...because the data is unusable when is the data mixed and all data is in CELL 1.We must repair just that thing I wrote up and my VI will be working perfect. thank Thank's man. The question now is, why I have a two VI, how can I put my DAQ NI USB 6008 to this VI? Generaly that is what i'm asking just one thing is problem. Could you please make the *.csv file write correctly, like Time (CELL 1), T1 (CELL 2),...because the data is unusable when is the data mixed and all data is in CELL 1.We must repair just that thing I wrote up and my VI will be working perfect.