GE L90 Instruction Manual page 744

Cautions ............................................................................ 1-1
CE APPROVALS .............................................................. 2-30
CHANGES TO L90 MANUAL ...............................................F-2
CHANGES TO MANUAL ..................... F-7, F-8, F-9, F-10, F-11
CHANNEL ASYMMETRY
settings ......................................................................... 5-69
CHANNEL COMMUNICATION .......................................... 3-28
CHANNEL MONITOR ....................................................... 2-12
CHANNEL STATUS
Modbus registers ..................................................B-11, B-12
CHANNEL TESTS
actual values ................................................................... 6-6
commands .............................................................. 5-15, 7-2
Modbus registers ...........................................................B-62
procedures .................................................................... 11-1
settings ....................................................................... 5-306
CHANNELS
banks ................................................................... 5-62, 5-63
number of ...................................................................... 5-67
CHARGING CURRENT COMPENSATION ................ 5-67, 9-13
CIRCUIT MONITORING APPLICATIONS ......................... 5-240
CLEANING ....................................................................... 2-30
CLEAR RECORDS .................................................... 5-14, 7-2
CLEAR RELAY RECORDS
Modbus registers ...........................................................B-62
settings ......................................................................... 5-14
CLOCK
setting date and time ....................................................... 7-2
settings ......................................................................... 5-39
synchronization tests ..................................................... 11-2
COMMANDS MENU ........................................................... 7-1
COMMUNICATIONS
10BASE-F ....................................................3-23, 3-25, 5-17
channel ................................................................ 2-12, 3-28
connecting to the UR .............................................. 1-8, 1-15
CRC-16 error checking .................................................... B-2
direct transfer trip .......................................................... 2-13
dnp ........................................................................ 5-18, E-1
G.703 ............................................................................ 3-31
half duplex...................................................................... B-1
HTTP ............................................................................ 5-35
IEC 60870-5-104 protocol .............................................. 5-36
IEC 61850 ................................................................... 5-289
inter-relay communications .................................... 2-11, 2-28
loopback test ...................................................... 2-13, 5-306
Modbus .................................................. 5-17, 5-38, B-1, B-3
Modbus registers ...........................................................B-21
network ......................................................................... 5-17
overview ............................................................... 1-16, 2-11
path diagram ................................................................. 2-12
RS232 ........................................................................... 3-23
RS485 ..........................................................3-23, 3-25, 5-16
settings ...................................... 5-17, 5-18, 5-23, 5-36, 5-38
specifications ........................................................ 2-27, 2-28
UCA/MMS ................................................................... 5-291
web server..................................................................... 5-35
COMTRADE ............................................................... B-6, B-7
CONDUCTED RFI ............................................................ 2-29
CONTACT INFORMATION .................................................. 1-1
CONTACT INPUTS
actual values ................................................................... 6-3
dry connections ............................................................. 3-20
FlexLogic™ operands .................................................. 5-114
Modbus registers ............................... B-11, B-18, B-55, B-57
settings ....................................................................... 5-283
specifications................................................................. 2-24
thresholds ................................................................... 5-283
wet connections ............................................................. 3-20
ii
INDEX
CONTACT OUTPUTS
actual values ................................................................... 6-4
FlexLogic™ operands ................................................... 5-114
Modbus registers ......................................... B-11, B-18, B-61
settings ........................................................................ 5-286
CONTINUOUS MONITOR
FlexLogic™ operands ................................................... 5-109
logic ............................................................................ 5-255
Modbus registers ........................................................... B-33
settings ........................................................................ 5-254
CONTROL ELEMENTS ................................................... 5-217
CONTROL POWER
description .....................................................................3-12
specifications .................................................................2-26
CONTROL PUSHBUTTONS
FlexLogic™ operands ................................................... 5-107
Modbus registers ........................................................... B-62
settings ..........................................................................5-50
specifications .................................................................2-22
COUNTERS
actual values ................................................................... 6-7
settings ........................................................................ 5-243
CRC-16 ALGORITHM ........................................................ B-2
CRITICAL FAILURE RELAY ..................................... 2-25, 3-11
CSA APPROVAL ..............................................................2-30
CT BANKS
settings ..........................................................................5-62
CT FAILURE
FlexLogic™ operands ................................................... 5-109
logic ............................................................................ 5-257
Modbus registers ........................................................... B-33
settings ........................................................................ 5-256
CT INPUTS ...................................................... 3-13, 5-7, 5-62
CT REQUIREMENTS ........................................................10-1
CT WIRING ......................................................................3-13
CURRENT BANK ..............................................................5-62
CURRENT DEMAND .........................................................5-45
CURRENT DIFFERENTIAL
applications ...................................................................10-3
description .....................................................................2-14
FlexLogic™ operands ................................................... 5-107
logic ............................................................................ 5-131
metering ........................................................................6-13
Modbus registers .................................................. B-16, B-17
settings ........................................................................ 5-129
specifications .................................................................2-18
testing ...........................................................................11-3
trip ............................................................................... 5-215
CURRENT METERING
actual values ..................................................................6-14
Modbus registers ........................................................... B-12
specifications .................................................................2-23
CURVES
definite time ...................................................... 5-169, 5-203
FlexCurves™ ...................................................... 5-79, 5-169
I2T ............................................................................... 5-169
IAC .............................................................................. 5-168
IEC .............................................................................. 5-167
IEEE ............................................................................ 5-166
inverse time undervoltage ............................................. 5-203
types ........................................................................... 5-165
D
DATA FORMATS, MODBUS ............................................. B-68
DATA LOGGER
L90 Line Current Differential System GE Multilin