ii
469 Motor Management Relay
GE Power Management
INDEX
COOL TIME CONSTANTS ........ 4-28, 4-43, 4-44, 4-54, C-1
CORE BALANCE ........................................................4-11
CORE BALANCE GROUND CT
connection ...............................................................2-11
method ....................................................................2-12
CRC-16 .................................................................6-2, 6-3
CTs
differential ................................................................2-12
ground ..................................... 2-10, 2-11, 4-11, 5-9, D-1
phase ......................................................2-10, 4-11, D-3
phasors ....................................................................5-15
CURRENT DEMAND .......................................... 4-74, 5-13
CURRENT METERING ................................................ 5-9
CURRENT SENSING ..................................................4-11
CURRENT TRANSFORMERS
see CTs
.................................................................... D-1
CURRENT UNBALANCE
actual value .............................................................. 5-9
event record .............................................................5-23
pre-trip value ............................................................. 5-3
setpoints ..................................................................4-49
specifications ............................................................ 1-7
testing .....................................................................7-12
trip counter ..............................................................5-20
CURRENT UNBALANCE TEST ...................................7-12
CUSTOM OVERLOAD CURVES
description ...............................................................4-31
example ...................................................................4-34
voltage dependent overload ......................................4-37
CUTOUT PANELS ....................................................... 2-3
CYCLIC REDUNDANCY CHECK .................................. 6-2
D
DATA FORMATS, MEMORY MAP ...............................6-61
DATA FRAME FORMAT ............................................... 6-1
DATA PACKET FORMAT ............................................. 6-2
DATA RATE ................................................................ 6-1
DATE ........................................................... 4-6, 5-8, 5-29
DEFAULT MESSAGES
adding ...................................................................... 4-7
cycle time ................................................................. 4-5
description ................................................................ 4-7
flash messages ............................................... 5-29, 5-30
removing ................................................................... 4-7
setpoints ................................................................... 4-7
timeout ..................................................................... 4-5
DEMAND
calculating demand ..................................................4-75
current ............................................................ 4-74, 5-13
kVA ................................................................ 4-74, 5-13
kvar ................................................................ 4-74, 5-13
kW .................................................................. 4-74, 5-13
metering ..................................................................5-13
period ......................................................................4-75
power ............................................................. 4-74, 5-13
specifications ............................................................ 1-9
DEMAND DATA, CLEARING ........................................ 4-9
DEMAND PERIOD ......................................................4-75
DERATING FACTOR ..................................................4-42
DESCRIPTION ............................................................ 1-1
DEVICE NUMBERS ..................................................... 1-1
DIAGNOSTIC MESSAGES ..........................................5-27
DIELECTRIC STRENGTH ........................................... 2-22
DIFFERENTIAL .......................................................... 4-52
DIFFERENTIAL CT PRIMARY ..................................... 4-11
DIFFERENTIAL CTs ................................................... 2-12
DIFFERENTIAL CURRENT INPUTS ............................ 2-12
DIFFERENTIAL CURRENT TESTING ............................7-3
DIFFERENTIAL PHASE CURRENT INPUTS ..................1-5
DIGITAL COUNTER
actual values ............................................................ 5-22
preset ........................................................................4-9
setpoints .................................................................. 4-21
specifications .............................................................1-8
DIGITAL INPUT FUNCTION
capture trace ............................................................ 4-23
digital counter .......................................................... 4-21
general switch a-d .................................................... 4-23
load shed trip ........................................................... 4-19
pressure switch alarm ............................................... 4-19
pressure switch trip .................................................. 4-20
remote alarm ............................................................ 4-18
remote trip ............................................................... 4-18
simulate fault ........................................................... 4-23
simulate pre-fault ..................................................... 4-23
simulate pre-fault...fault ............................................ 4-23
speed switch trip ...................................................... 4-19
tachometer ............................................................... 4-22
vibration switch alarm ............................................... 4-20
vibration switch trip .................................................. 4-20
DIGITAL INPUTS
actual values ..............................................................5-8
assignable ............................................................... 4-17
description ...................................................... 2-13, 4-16
specifications .............................................................1-5
testing .......................................................................7-6
DIMENSIONS ...............................................................2-1
DISPLAY ......................................................................3-2
DISPLAY UPDATE INTERVAL ......................................4-5
DRAWOUT INDICATOR .............................................. 2-19
DRAWOUT UNIT SEAL .................................................2-1
E
ELECTRICAL INSTALLATION .......................................2-8
ELECTRICAL INTERFACE ............................................6-1
EMERGENCY RESTART .......................... 4-10, 4-16, 5-22
EN/– SIGNS ..................................................3-4
ENTERING TEXT .........................................................3-4
ENVIRONMENTAL SPECIFICATIONS ...........................1-9
ERROR CHECKING ......................................................6-2
ERROR RESPONSES ................................................. 6-15
ESTIMATED TRIP TIME ON OVERLOAD ......................5-2
EU DECLARATION OF CONFORMITY ......................... F-1
EVENT RECORD
actual values ................................................... 5-23, 5-24
cause of events ........................................................ 5-25
clearing .....................................................................4-9
date ......................................................................... 5-23
memory map locations .............................................. 6-17
motor speed ............................................................. 5-23
software ................................................................... 8-16
tachometer ............................................................... 5-23
EVENT RECORDER
see EVENT RECORD above