2. Pop up the System Parameters -MPI dialog box-Select the unit tab-View the logical device name. By default, the installed logical device is named MPI.
3. Double-click the icon for setting PG/PC interface-select MPI(WINCC) from the drop-down list of access points of the application.
4. click CP56 1 1(MPI) in the used interface parameter assignment list, and then display MPI (WINCC) >: cp561/(MPI) in the drop-down list of applied access points.
5. Finally, set the communication parameters of CP56 1 1, and click Properties ... to pop up the Properties -CP 56 1 1 (MPI) dialog box.