CHAPTER 4: SETPOINTS PROTECTION
889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–129
INST DIFF BLOCK
Range: Any FlexLogic operand
Default: Off
INST DIFF OUTPUT RELAYS
Range: Do Not Operate, Operate
Default: Do Not Operate
The menu includes a list of available output relays to be set for operation or no
operation upon protection operation.
FAST PATH:
The output relays selected under the Breaker menu for breaker trip need to be reselected if
the Percent Differential function is set to “Trip”. These output relays will not be operational
even if selected to operate if the Percent Differential function is set to “Configurable”.
EVENTS
Range: Disabled, Enabled
Default: Disabled
TARGETS
Range: Disabled, Self-Reset, Latched
Default: Latched
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