An intelligent, compact and innovative positioner. The integrated control offered by this multi-functional control unit represents the latest in open-loop and closed-loop control technology for valves. The unit attaches directly to ACTAIR EVO and DYNACTAIR EVO actuators with no need for a bracket or external piping, providing a rugged, compact overall solution. SMARTRONIC U PC offers four functions: programmable characteristic curves for valve opening and closing, intelligent positioning, process monitoring and control. SMARTRONIC U PC is PC programmable and can be connected to a Profibus DP field bus.