2. Select the check-boxes in the first column to add LDs to the IEC61850 Proxy ServerOPC Client configuration.3. Click Apply to create the configuration with the selected IEDs to the communicationstructure.Proxy_config_tool.pngFigure 3.3.3-1 Proxy Configuration ToolThe Proxy Configuration Tool includes the following columns:• Include: specifies if the LD is part of the Proxy configuration• IED Path: the OPC path of the selected LD• LD Caption: specifies the name of the referenced LD in the Proxy configurationIEC 61850 data publishing3.4.About data sets3.4.1.A data set is an ordered group of data objects and data attributes organized as a singlecollection for the convenience of the client. Data sets are used to define the values ofdata to be transmitted in case a value of a data set member changes. A data set is usedfor reporting and GOOSE messaging.Configuring data sets3.4.2.Dataset Editor3.4.2.1.A data set groups selected data so that a client can access it easily with a single readoperation. A data set is also used for event reporting; data is linked to spontaneous eventsending only via report control blocks (RCB) data set definition. The client reads otherdata separately. Data set definitions are located always under the logical device LD0 andlogical node LLN0.181MRS757275COM600 series, version 4.1IEC 61850 Proxy Server User's Manual