CHAPTER 7: PROTECTION
Protection contact output actual values
Direct inputs
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Seal-In
Range: any FlexLogic™ operand or shared operand
Default: as shown above
This setting selects an operand (virtual output, element state, contact input, or virtual
input) that will seal-in the contact output when asserted.
Voltage Threshold
Range: 20 to 250 volts in steps of 1
Default: 20
This setting specifies determines the level at which the Contact Op 1 VOn and Contact
Op 1 VOff operands function. It is only shown for contact outputs that have monitoring.
Events
Range: Enabled, Disabled
Default: Enabled
If this setting is "Enabled", every change in the contact output state will trigger an event
in the sequence of events recorder.
Select the Actual Values > Protection > Protection Inputs/Outputs > Contact Outputs
menu item to open the protection contact output actual values window.
Figure 333: Protection contact output actual values
The following actual values are available for all protection contact outputs.
Name
Range: up to 12 alphanumeric characters
This value displays the programmed
Status
Range: On, Off, VOn, VOff, IOn, IOff
This value indicates the logic state of the protection contact output.
These settings specify how the direct input information is processed. Select the Protection
> Protection Inputs/Outputs > Direct Inputs menu item to open the direct inputs
configuration window.
PROTECTION INPUTS AND OUTPUTS
for the corresponding protection contact output.
ID
379