GE UR Series L90 Instruction Manual page 836

C
C37.94 COMMUNICATIONS ............................3-34, 3-36, 3-39
C37.94SM COMMUNICATIONS ........................................ 3-38
CAPACITOR CONTROL
Modbus registers ...........................................................B-24
CAUTIONS ........................................................................ 1-1
CE APPROVALS .............................................................. 2-33
CHANGES TO L90 MANUAL ...............................................F-2
CHANNEL ASYMMETRY
settings ......................................................................... 5-86
CHANNEL COMMUNICATION .......................................... 3-26
CHANNEL MONITOR ....................................................... 2-16
CHANNEL STATUS
Modbus registers ...........................................................B-12
CHANNEL TESTS
actual values ................................................................... 6-7
commands .............................................................. 5-20, 7-2
Modbus registers ...........................................................B-71
procedures .................................................................... 11-1
settings ....................................................................... 5-357
CHANNELS
banks ................................................................... 5-79, 5-80
number of ...................................................................... 5-84
CHARGING CURRENT COMPENSATION ................ 5-84, 9-13
CIRCUIT MONITORING APPLICATIONS ......................... 5-269
CLEANING ....................................................................... 2-33
CLEAR RECORDS .................................................... 5-19, 7-2
CLEAR RELAY RECORDS
Modbus registers ...........................................................B-70
settings ......................................................................... 5-19
CLOCK
setting date and time ....................................................... 7-2
settings ................................................................ 5-50, 5-51
synchronization tests ..................................................... 11-2
COMMANDS MENU ........................................................... 7-1
COMMUNICATIONS
10BASE-F ..................................................................... 5-24
channel ................................................................ 2-16, 3-26
connecting to the UR .............................................. 1-9, 1-16
CRC-16 error checking .................................................... B-2
direct transfer trip .......................................................... 2-17
DNP ....................................................................... 5-29, E-1
G.703 ............................................................................ 3-29
half duplex...................................................................... B-1
HTTP ............................................................................ 5-48
IEC 60870-5-104 protocol .............................................. 5-49
IEC 61850 ................................................................... 5-340
inter-relay communications .................................... 2-15, 2-31
loopback test ...................................................... 2-17, 5-357
Modbus .................................................. 5-28, 5-50, B-1, B-3
Modbus registers ...........................................................B-28
network ......................................................................... 5-24
overview ............................................................... 1-17, 2-15
path diagram ................................................................. 2-16
RS232 ........................................................................... 3-22
RS485 .................................................................. 3-24, 5-21
settings ...................................... 5-24, 5-29, 5-34, 5-49, 5-50
specifications ........................................................ 2-30, 2-31
UCA/MMS ................................................................... 5-342
web server..................................................................... 5-48
COMPATIBILITY ................................................................ 1-4
ii
INDEX
COMTRADE ............................................................... B-6, B-7
CONDUCTED RFI .............................................................2-32
CONTACT INFORMATION ................................................. 1-2
CONTACT INPUTS
actual values ................................................................... 6-4
dry connections ..............................................................3-19
FlexLogic operands ...................................................... 5-137
Modbus registers ................................ B-11, B-20, B-65, B-67
settings ........................................................................ 5-334
specifications .................................................................2-28
thresholds .................................................................... 5-334
wet connections .............................................................3-19
CONTACT OUTPUTS
actual values ................................................................... 6-5
FlexLogic operands ...................................................... 5-137
Modbus registers ......................................... B-11, B-20, B-76
settings ........................................................................ 5-337
CONTINUOUS MONITOR
FlexLogic operands ...................................................... 5-131
logic ............................................................................ 5-284
Modbus registers ........................................................... B-40
settings ........................................................................ 5-283
CONTROL ELEMENTS ................................................... 5-245
CONTROL POWER
description .....................................................................3-11
specifications .................................................................2-30
CONTROL PUSHBUTTONS
FlexLogic operands ...................................................... 5-129
Modbus registers ........................................................... B-71
settings ..........................................................................5-67
specifications .................................................................2-26
COUNTERS
actual values ................................................................... 6-8
settings ........................................................................ 5-272
CRC-16 ALGORITHM ........................................................ B-2
CRITICAL FAILURE RELAY ..................................... 2-29, 3-10
CSA APPROVAL ..............................................................2-33
CT BANKS
settings ..........................................................................5-79
CT FAILURE
FlexLogic operands ...................................................... 5-131
logic ............................................................................ 5-286
settings ........................................................................ 5-285
CT INPUTS ...................................................... 3-12, 5-7, 5-79
CT REQUIREMENTS ........................................................10-1
CT WIRING ......................................................................3-12
CURRENT BANK ..............................................................5-79
CURRENT DEMAND .........................................................5-62
CURRENT DIFFERENTIAL
applications ...................................................................10-3
description .....................................................................2-18
FlexLogic operands ...................................................... 5-129
logic ............................................................................ 5-155
metering ........................................................................6-15
Modbus registers .................................................. B-17, B-18
settings ........................................................................ 5-152
specifications .................................................................2-21
testing ...........................................................................11-3
trip ............................................................................... 5-243
CURRENT METERING
actual values ..................................................................6-16
Modbus registers ........................................................... B-13
specifications .................................................................2-27
L90 Line Current Differential System GE Multilin