6–124 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S4 CONTROLS CHAPTER 6: SETPOINTS
Arc Flash Arc Flash OP
Arc Flash Trip OP
Arc Flash Alarm OP
Arc Flash Block
Light Sensor 1..4 OP Light above threshold detected by light sensor 1..4
LightSns1..4 Trbl Trouble detected in light sensor 1..4
LightSns Trbl Trouble detected in one of the light sensors or corresponding fiber
HS IOC OP High speed IOC has operated
HS Ph A IOC OP High speed IOC for phase A has operated
HS Ph B IOC OP High speed IOC for phase B has operated
HS Ph C IOC OP High speed IOC for phase C has operated
HS GND IOC OP High speed IOC for ground has operated
Autorecloser AR Close Autoreclose close command is issued
AR N/Ready Autoreclose not ready
AR In Progress Autoreclose is in progress
AR Disabled Autoreclose is disabled
AR Ext. Init External Initiation is detected by the Autoreclosure
AR Ready Autoreclosure is ready
AR Block
Breaker Health BKR Alarm Breaker health alarm has picked up
BKR Trip Time Breaker trip time is exceeded
BKR Close Time Breaker closing time is exceeded
BKR Charge Time Breaker spring charging time is exceeded
BKR Trp/Cls Fail Breaker did not open or close upon the respective command
BKR Charge Fail Breaker spring for tripping did not charge
Synchrocheck Sync Operation Syncheck element operated
Sync Close OP Syncheck close breaker command has been generated to the breaker
Sync Condition Defines the presence of syncheck conditions.
Testing Testing ON Testing feature is Enabled
Testing OFF Testing feature is Disabled
Element Operands
Ambient Temperature HI Amb Temp PKP LO Amb Temp PKP HI Amb Temp DPO
HI Amb Temp OP LO Amb Temp OP LO Amb Temp DPO
Auxiliary Overvoltage Aux OV Trip PKP Aux OV Alarm OP Aux OV Alarm PKP
Aux OV Trip OP Aux OV Alarm DPO
Aux OV Trip DPO Aux OV Block
Auxiliary Undervoltage Aux UV Trip PKP Aux UV Alarm OP Aux UV Trip DPO
Aux UV Alarm PKP Aux UV Alarm DPO
Aux UV Trip OP Aux UV Block
Breaker Failure BKR Fail Alrm PKP BKR Fail Alrm DPO
BKR Fail Alrm OP BKR Stat Fail OP
Broken Conductor Brkn Cond Trip PKP Brkn Cond Alrm DPO Brkn Cond Alarm OP
Brkn Cond Trip OP Brkn Cond PKP Brkn Cond Block
Brkn Cond Trip DPO Brkn Cond OP
Brkn Cond Alrm PKP Brkn Cond DPO
Element Operands Event Description
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