GE D90 Plus Instruction Manual page 681

D90
Index
A
AC modules
connections ............................................................................................. 47
description ............................................................................................ 174
Altitude ........................................................................................................... 38
Annunciator
operation ........................................................................................76, 582
settings ................................................................................................... 583
specifications .......................................................................................... 33
Approvals
..................................................................................................... 38
Automation contact inputs
chatter detection ............................................................................... 468
description ............................................................................................ 465
operands ................................................................................................ 488
settings ......................................................................................... 467, 468
Automation contact outputs
description ............................................................................................ 469
operands ................................................................................................ 488
settings ................................................................................................... 469
trip circuit monitoring example .................................................. 470
Automation logic
Boolean operators ............................................................................ 477
comparators ........................................................................................ 479
equation editor ................................................................................... 481
latches .................................................................................................... 477
math operators ................................................................................... 478
math processing ................................................................................ 478
one-shots .............................................................................................. 476
operands ................................................................................................ 487
operators ............................................................................................... 476
overview ................................................................................................. 473
programming example ................................................................... 482
rules .......................................................................................................... 482
specifications .......................................................................................... 29
timers ...................................................................................................... 480
Automation overview
......................................................................... 429
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Plus
Line Distance Protection System
Automation virtual analog outputs
description ............................................................................................. 471
settings ................................................................................................... 471
Automation virtual inputs
description ............................................................................................. 461
logic .......................................................................................................... 462
settings ................................................................................................... 461
specifications ..........................................................................................29
Automation virtual outputs
description ............................................................................................. 463
operands ................................................................................................ 487
programming example ................................................................... 463
settings ................................................................................................... 463
specifications ..........................................................................................30
Autoreclose
breaker blocking ................................................................................. 346
dual breaker operation ................................................................... 343
force three-pole trip .......................................................................... 349
front panel control ............................................................................. 360
lockout ..................................................................................................... 347
manual close ........................................................................................ 349
operands ................................................................................................ 415
operation ................................................................................................ 339
overview ..........................................................................................13, 338
pause input ........................................................................................... 343
programs ............................................................................................... 339
reset after reclosure ......................................................................... 346
settings ................................................................................................... 353
signal flow logic .................................................................................. 359
specifications ..........................................................................................18
zone 1 extension ................................................................................ 349
Auxiliary overvoltage
description ............................................................................................. 275
logic .......................................................................................................... 276
operands ................................................................................................ 415
settings ................................................................................................... 275
specifications ..........................................................................................19
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