OPCX DA is an ActiveX component.that is OPC Client. It can be used into most popular ActiveX Container including : Visual Basic 6.0, Visual C++ 6.0, Delphi, MS Office, Internet Explorer 4.0 and sup,… This easy to use tool enables to control, visualize, read and write data, from any installed OPC DA 1.0 & 2.0 servers. OPCX 2000 include many properties, methods and events which  enable users to create OPC Client application rapidly and professionally with high performance. OPCX DA provides an intuitive  Graphical User Interface called OPCX Manager . It allow  to tune the OPC servers connection and  to manipulate the OPCX template files.