Hi Comerford1, <a href="http://sine.ni.com/apps/we/niepd_web_display.display_epd4?p_guid=B45EACE3D88156A4E034080020E74861&p_node=DZ52338&p_source=External";>Here</a> is a link to an example PID Controller program that may help.
Jeremy L. National Instruments
