GE GEK 106168E manual Digital Inputs, IRIG-B Synchronizing Input

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6. ACCEPTANCE TESTS

6.8. INPUTS

6.8.1 DIGITAL INPUTS

Log into the relay using the GE_LOCAL software and press INPUTS / OUTPUTS button on the first general screen.

∙Check that applying dc rated voltage between terminals:

C9

and

D10

(CC1)

D9

and

D10

(CC2)

C10

and

D10

(CC3)

C11

and

D12

(CC4)

D11

and

D12

(CC5)

C12

and

D12

(CC6)

their corresponding status windows turn red while the applied voltage remains present.

If the relay has the optional expansion board, check the same for the following contact converter inputs:

E7

and

E8

(CC7)

F7

and

E8

(CC8)

E9

and

F8

(CC9)

F9

and

F8

(CC10)

E10

and

E11

(CC11)

F10

and

E11

(CC12)

E12

and

F11

(CC13)

F12

and

F11

(CC14)

6.8.2 IRIG-B SYNCHRONIZING INPUT

Connect the output of an IRIG-B unit with decoded output to the IRIG-B input at the rear of the DBF. Special care must be taken when making the connection because the input is polarized.

Check that the time measured by the two units is the same.

32

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 Optional Exp. Board Latched#1 ClosedOptional 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 TableConfigurable Inputs and Outputs Time SynchronizationFunction 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 DBFTechnical Characteristics MechanicalElectrical Communications StandardsTest Standard Class DBF Breaker Failure Protection GEK-106168E Internal Construction Physical DescriptionCase Electrical ConnectionsDBF Breaker Failure Protection GEK-106168E Operating Theory Magnetic ModuleCPU Board Keyboard and Display Power SupplyConnections and Necessary Equipment Visual InspectionPanel Insulation Tests Relay Setting IndicatorsPower Supply Communications Inputs Digital InputsIRIG-B Synchronizing Input 1 50BF 1P Unit Test Functions2 50BF 3P Unit Test Internal ARC Test 4 3P no I FunctionNeutral Overcurrent Unit Test DBF Breaker Failure Protection GEK-106168E Relay Measurement Tests Current MeasurementTiming Measurement DBF Breaker Failure Protection GEK-106168E Installation MaintenanceCONNECTION-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
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