GE L90

iv L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
INDEX
CyberSentry
FlexLogic operands .......................................................................5-190
installation ............................................................................... 3-65, 5-25
security commands ...........................................................................7-6
security overview ................................................................................2-8
software options .............................................................................. 2-50
specifications ..................................................................................... 2-50
system logs ......................................................................................... 5-26
D
D400 connection ................................................................................. 3-66
Dark graphical front panel ............................................................ 5-32
Data logger
actual values ...................................................................................... 6-32
clearing ........................................................................................5-42, 7-2
settings ...............................................................................................5-118
specifications ..................................................................................... 2-42
Data, reading values ............................................................................6-1
Dataset member is empty message ....................................... 5-68
Date
set .................................................................................... 5-29, 5-108, 7-3
DCmA inputs .......................................................................................... 6-27
actual values ...................................................................................... 6-27
FlexAnalogs ........................................................................................ A-27
settings ...............................................................................................5-422
specifications ..................................................................................... 2-45
DCmA outputs
description .......................................................................................... 3-27
settings ...............................................................................................5-425
specifications ..................................................................................... 2-47
DD
see Disturbance detector
Decommission ....................................................................................11-29
Default password ............................................................................... 5-15
Default settings ........................................................................ 11-7, 11-8
Definite time curve ............................................................5-261, 5-302
Delete files and records ....................................................5-41, 11-29
Demand metering
actual values ...................................................................................... 6-20
specifications ..................................................................................... 2-44
Demand records
clearing ....................................................................................................7-2
Demand records, clearing ............................................................. 5-42
Demand, current ...............................................................................5-119
Deploy settings ..................................................................................... 11-7
Device authentication ...................................................................... 5-17
Device Connectivity Report in Engineer ................................ 4-78
Device information files .........................................................1-2, 4-78
Device overview .................................................................................. 11-1
Device setup .......................................................................................... 3-61
Diagnostic alarm error .......................................................................7-9
Diagnostic failure error ......................................................................7-8
Dielectric strength .............................................................................. 3-13
Differential
current .................................................................................... 2-33, 5-217
current FlexAnalogs ........................................................................A-16
stub bus ............................................................................................. 5-221
trip ........................................................................................................ 5-318
Digital counters
actual values .........................................................................................6-8
FlexLogic operands ...................................................................... 5-193
logic diagram .................................................................................. 5-352
settings ............................................................................................... 5-350
Digital elements
application example .................................................................... 5-349
FlexLogic operands ...................................................................... 5-193
logic diagram .................................................................................. 5-348
settings ............................................................................................... 5-347
Digital outputs
see Contact outputs
Dimensions ...................................................................................... 3-2, 3-5
Direct inputs
actual values .........................................................................................6-5
error messages ....................................................................................7-9
FlexLogic operands ...................................................................... 5-200
logic diagram .................................................................................. 5-421
overview ............................................................................................ 5-420
settings ............................................................................................... 5-420
Direct outputs
error messages ....................................................................................7-9
logic diagram .................................................................................. 5-421
overview ............................................................................................ 5-420
settings ............................................................................................... 5-421
Direct transfer trip .................................................................................2-8
Direct under-reach transfer trip
see DUTT
Directional comparison blocking
see Blocking scheme
Directional comparison unblocking
see Unblocking scheme
Directional overcurrent
see Phase, Ground, and Neutral directional
Directional polarization ................................................................ 5-264
Directional power, sensitive actual values ...........................6-23
Directional power, sensitive specifications ..........................2-36
Disconnect switch
FlexLogic operands ...................................................................... 5-199
logic ..................................................................................................... 5-158
settings ............................................................................................... 5-155
Discover button ....................................................................................3-61
Disk space required ...........................................................................3-51
Display settings ....................................................................................5-27
Disposal ................................................................................................. 11-30
Dispose of battery ............................................................................ 11-26