Select the Read From SGL File VI on the Functions»File I/O»Binary File VIs palette and place it on the block diagram.
Right-click the 2D number of columns input and select Create»Constant from the shortcut menu. A numeric constant appears.
Enter 1 into the numeric constant to indicate that you want to read one element or column in the array. Increase the number to read more elements in the array.
Right-click the 1D array output and select Create»Indicator from the shortcut menu. A 1D array indicator appears on the front panel.
Run the VI. The Choose file to read dialog box appears.
Navigate to the file you want to read and click Open.