Allows you to specify functions for a protection relay. This tab is disabled for other types of metering equipment.
Functions
Displays the relay functions according to the data based on the reference function that you select with default or modified values as specified under Function details. You can sort the data according to column names by selecting a column header.
To maintain a particular sequence of relay functions that you require, add a user-defined
field that can hold sequence numbers and then select the header of that column to
sort the data.
Add
Adds another row and opens the Find dialog which allows you to select a reference function as a basis for the relay function you define.
Remove
Removes the currently selected function.
Function details
After you select a reference function, this section allows you to modify the values. The software retains any values that you modify for the specific protection relay.
Item Tag
Displays the item tag of the reference item you selected on the Find dialog. You can select and type another item type name as needed.
Type
Select a function type from the list of available function types.
Code
Type a relay function code value if you require.
Setting (%)
Allows you to specify a value representing the percentage of the entire measurement range at which the relay action takes place.
Setting
Allows you to specify the absolute value of the measurement at which the relay action takes place.
Relay action
Select the action for the relay to perform at the specified setting value.
Time To Trip
Allows you to specify an appropriate time to trip value.
Status
Select an appropriate item tag status from the list.
In Data Dictionary, you can add user-defined properties for your protection relay
functions. For details, see the Data Dictionary documentation.