CHAPTER 6: PROTECTION SETPOINTS CURRENT ELEMENTS
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–77
ALARM FUNCTION
Range: Disabled, Alarm, Latched Alarm
Default: Disabled
This setting enables the Undercurrent Alarm functionality.
ALARM PICKUP
Range: 0.10 to 0.95 x CT in steps of 0.01 x CT
Default: 0.70 x CT
This setting specifies a pickup threshold for the alarm function.
ALARM PICKUP DELAY
Range: 0.00 to 180.00 s in steps of 0.01 s
Default: 1.00 s
This setting specifies a time delay for the alarm function.
ALARM DROPOUT DELAY
Range: 0.00 to 180.00 s in steps of 0.01 s
Default: 1.00 s
This setting specifies a time delay to reset the alarm command.
ALARM OUTPUT RELAY X
For details see Common Setpoints
.
BLOCK
Range: Off, Any FlexLogic operand
Default: Off
The Undercurrent can be blocked by any asserted FlexLogic operand.
EVENTS
Range: Disabled, Enabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Latched
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