Luiart
I would suggest upgrading to the new Counter Palette for LabVIEW. In it, you will see vi's for multiple counter applications. Follow the same steps as you did in your program with the new multi-counter vi's.
You can download the new Counter Palette Installer here:
http://digital.ni.com/softlib.nsf/ 954feaeea92d90918625674b00658b83/ abc2de0382fb157a86256ad90068986e?OpenDoc ument
Brian