To edit data sets, IEC 61850 configuration engineering mode must be enabled from options.Figure 1. Enabling IEC 61850 configuration engineering modeTo open IEC 61850 Configuration, right-click an IED and select IEC 61850 Configuration.Figure 2. Opening IEC 61850 Configurationimage/svg+xmlOn the toolbar, select the communication mode for which data sets are managed.Figure 3. Selecting the type of the data sets to be editedimage/svg+xmlManage data sets on the Data Sets tab.To add new data sets, right-click and select New.To delete data sets, select the data sets to be deleted, right-click and select Delete.To edit entries in a data set, select the data set and open Entries from Object Properties.Figure 4. Adding, deleting or editing a data setThis opens a dialog box where entries can be added or removed.Figure 5. Editing data sets