Working with Data Sets
Original instructions
About us
Introduction
A data set is a collection of data attributes and data objects that can originate with many different logical devices and logical nodes. Data sets can provide an efficient method of viewing and transferring data. The IEC 61850 server can include up to 68 data sets and up to 256 basic type data attributes. Furthermore, I/O events that are produced by an ERT module, to which the ERT data set is dedicated, can be mapped to an IEC 61850 report directly.
Use the Data Set window to:
Before you can use the Data Set window, first enable the IEC 61850 server resident in the BMENOP0300 module; then create a new server instance for the module.
After you create a data set, you can add it to GOOSE control blocks and also to Report control blocks.
NOTE:
Schneider Electric recommends that:
  • When you add a stVal or cVal attribute, also add its companion q (quality) data attribute. The q attribute contains valuable data information for your application.
  • You do not add a t attribute to a GOOSE data set. To do so is not an efficient use of control block space.
Creating a Data Set
To create a new data set, follow these steps:
Step
Action
1
In the General → IEC 61850 Server → Data Model window, create the data model for your module.
2
In the General → IEC 61850 Server → Data Set window, in the Data Set list, click the + button.
Result: A new data set appears in the data set list, with the default name ‘NewDatasetn’ (where n represents the sequential number of the data set).
3
Do one of the following:
  • Accept the default data set name.
  • Double-click the default name, then type a new name and press Enter.
4
In the Description area, do one of the following:
  • Accept the default data set description, which is the reference path to the data set.
  • Type in a different description.
5
In the Data Object Filter, use the filtering lists to navigate to the data attribute you want to add to the data set. Make filtering selections for:
  • LDevice: Select an IEC 61850 server logical device.
  • LNode: Select a logical node associated with the selected logical device.
  • FC: Select a functional constraint.
Result: The data attribute list, located below the filtering lists, presents the data attributes that satisfy the selected filtering criteria.
6
Add data attributes to the data set in one of the following ways:
  • Drag a data object node from the data attribute list and drop it on the FCDA table.
    NOTE: When you add a data object, all of its data attributes are also added, even though they are not visible in the list.
  • Drag a single data attribute from the data attribute list and drop it on the FCDA table. Only the selected data attribute is added to the data set.
Result: The FCDA table displays the data set in nested groups, as follows:
LDevice → LNode → Data Object → Data Attribute
7
Repeat steps 3 and 4, above, until all data attributes are added to the data set.
8
Save your edits.
Editing an Existing Data Set
To edit an existing data set, follow these steps:
Step
Action
1
In the Data Set list, select an existing data set.
Result: The data attributes of the selected data set appear in the data set list.
2
To add data attributes, follow steps 3 to 5 in Creating a Data Set (above).
3
To remove data attributes, select one or more data attributes in the FCDA table, right click, then select Delete from the context menu.
4
Save your edits.
Viewing Data Set Contents
To display the data attributes assigned to a data set, select the data set in the Data Set list. The data attributes appear in the FCDA/FDC table.
Removing a Data Set from the IEC 61850 Server
To remove a data set from the IEC 61850 Server, follow these steps:
Step
Action
1
In the Data Set list, select an existing data set.
Result: The data attributes of the selected data set appear in the data set list.
2
Click the – button.
Result: The data set is removed from the list.
3
Save your edits.