Hi I currently have an Excel file with two columns and 93 rows containing only numbers. I would like to perform a loop in Labview 6.1 that reads row1's 2 values and feed them into a command string for use with a GPIB cable. This would repeat another 92 times for the other rows. I have a working establishment with my GPIB device inside a loop but have had no success with the excel reading. All I really need is: 1) A vi file that opens an excel file once2) Once opened, it extracts both the values situated in A1 and B1 whilst in a loop structure.3) These values are then sent into a command string with two separate commands4) The row is incremented if <935) The loop repeats until row 93 is reached6) The excel file closes7) Program finishes I hope this is fairly clear and any help is much appreciated!

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I did what you said and it still functions correctly; I see your point. I'm still learning the basics...

Thanks for all your help!

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