Rich - It is difficult to pinpoint the problem without the exact code, but the development library offers a number of LabVIEW resources which thoroughly discuss loops. Click <a href="http://zone.ni.com/devzone/devzone.nsf/webcategories/E27D46969B82A7FD86256A23005B6947?opendocument&node=dz52030_us";>here</a> to access application notes, tutorials, example code and presentations.
Good luck with your project. Have a great day! Becky B. Applications Engineer National Instruments
