CHAPTER 5: SETTINGS GROUPED ELEMENTSC60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL 5-2115• FlexLogic operands that report on the operation of portions of the scheme• FlexLogic operand used to re-trip the protected breaker• FlexLogic operands that initiate tripping required to clear the faulted zone. The trip output can be sealed-in for anadjustable period.• Target message indicating a failed breaker has been declared• Illumination of the faceplate Trip LED (and the Phase A, B, or C LED, if applicable)Main path sequenceFigure 5-106: Breaker failure main path sequenceThe current supervision elements reset in less than 0.7 of a power cycle for any multiple of pickup current as shown in thefollowing figure.Figure 5-107: Breaker failure overcurrent supervision reset timeSettingsBF1 MODE — This setting is used to select the breaker failure operating mode: single or three pole.BF1 USE AMP SUPV — If set to "Yes," the element is initiated if current flowing through the breaker is above the supervisionpickup level.BF1 USE SEAL-IN — If set to "Yes," the element is sealed-in if current flowing through the breaker is above the supervisionpickup level.BF1 3-POLE INITIATE — This setting selects the FlexLogic operand that initiates three-pole tripping of the breaker.
