WebTRACprocess monitoring and control system. The WebTRACâ?˘ system includes a graphical user interface that resides in the Web Access Controller (WAC), and remote I/O modules to interface to field instrumentation. WebTRACâ?˘ can be customized to perform monitoring and control functions of any typical plant application. WebTRAC's versatility allows secured accessibility via a local area network (LAN), wide area network (WAN), Internet, telephone line, or direct pc connection. WebTRACâ?˘ uses standard internet browsers and open industry standard protocols to create a common environment that connects and shares information. WebTRACâ?˘ is scalable to allow unlimited number of inputs and outputs.