GE GEK 106168E manual Single KEY Menu

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8. KEYBOARD AND DISPLAY

8.5. SINGLE KEY MENU

Being on the steady-state screen of LCD at the front of the relay, by Pressing ENT key, the “single key menu” will be accessed. Then, the information displayed while step by step pressing ENT key is:

∙Phase A Current

∙Neutral Current

∙I2t Phase A Counter

∙Number of phase A Openings

∙Type of BF Logic

∙50BF Pickup Status

∙Protection Status

∙Circuit Breaker ∅A Pole Status

∙Circuit Breaker ∅B Pole Status

∙Circuit Breaker ∅C Pole Status

∙Latching Relay 1 Status

∙Latching Relay 2 Status

∙Date and Time

48

DBF Breaker Failure Protection

GEK-106168E

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Contents GE Power Management 3KRQHHVFULSWLRQ0DQXDO*RI.\RXUFRGHTXHVWLRQ Ruvxjjhvwlrqd Page Table of Contents Installation and Maintenance Rear View 226B7412 Sheet List of FiguresDBF Breaker Failure Protection GEK-106168E Analysis General DescriptionProtection ∙ Breaker internal arc detection MonitoringDBF Breaker Failure Protection GEK-106168E Low-Level Overcurrent Breaker Failure Unit 50BF 1P Digital Signal Input # TerminalsProtection Functions Overcurrent UnitsBreaker Arc Detection Device Reset of Latching RelaysGround Overcurrent Breaker Failure Unit Breaker Failure without current or very low currentAssociated Breaker Status Internal Protection Status SignalsMonitoring and Recording Functions MeasurementGroup Status Comment Optional Exp. Board Closed Optional Exp. Board Latched#1Optional Exp.Boar Latched#2 Closed Internal Communication Status Signals Circuit Breaker Breaking Capacity Monitoring LED Left Column Right ColumnOscillography Analysis FunctionsBUILT-IN SELF-CHECKING Unit Event RecorderEvents to Trigger Oscillography INPUT-1 INPUT-0 Tables of SettingsControl Table Selection Active TableTime Synchronization Configurable Inputs and OutputsFunction Outputs MAN-MACHINE Interface HMI Remote Communications Active table setting group Breaker Setting GroupFunctions Permitted Common to all tables Range Default Step Oscillography MaskIndependent for each table Range Default Step 50BF Settings Internal Arc SettingsComments on Settings DBF Breaker Failure Protection GEK-106168E Ground Ranges Models DBF PhaseModel List DBFMechanical Technical CharacteristicsElectrical Standards CommunicationsTest Standard Class DBF Breaker Failure Protection GEK-106168E Internal Construction Physical DescriptionCase Electrical ConnectionsDBF Breaker Failure Protection GEK-106168E Magnetic Module Operating TheoryCPU Board Keyboard and Display Power SupplyVisual Inspection Connections and Necessary EquipmentPanel Insulation Tests Indicators Relay SettingPower Supply Communications Digital Inputs InputsIRIG-B Synchronizing Input 1 50BF 1P Unit Test Functions2 50BF 3P Unit Test 4 3P no I Function Internal ARC TestNeutral Overcurrent Unit Test DBF Breaker Failure Protection GEK-106168E Current Measurement Relay Measurement TestsTiming Measurement DBF Breaker Failure Protection GEK-106168E Maintenance InstallationCONNECTION-TO-GROUND and Disturbances Suppression DBF Breaker Failure Protection GEK-106168E DBF General Electric Keyboard and DisplayACT Menu TreeSET INFView Protection Settings Settings Group SET KEYView Settings Protection Modify Settings ProtectionConfirm Level Valid Range Setting OUT RangeStatus Information Group INF KEYSET DATE/TIME Control Group ACT KEYSingle KEY Menu Configuration Menu DBF Breaker Failure Protection GEK-106168E Figures Breaker Failure Logic 189C4114 Sheet External Connections 189C4114 Sheet Front View 226B7412 H9 Rear View 226B7412H10 Dimensions Diagram 226B6086H10 Panel Drilling 226B6086H10 RS232 Connection DBF Relay to PC