GE L90 Instruction Manual page 822
Ur series line current differential system
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- Instruction manual (900 pages) ,
- Communications manual (532 pages) ,
- Communications manual (526 pages)
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Modbus registers ...........................................................B-24
Cautions ............................................................................ 1-1
CE APPROVALS .............................................................. 2-29
CHANGES TO L90 MANUAL ...............................................F-2
CHANGES TO MANUAL ................. F-9, F-10, F-11, F-12, F-13
CHANNEL ASYMMETRY
settings ......................................................................... 5-80
CHANNEL COMMUNICATION .......................................... 3-25
CHANNEL MONITOR ....................................................... 2-12
CHANNEL STATUS
Modbus registers ...........................................................B-12
CHANNEL TESTS
actual values ................................................................... 6-6
commands .............................................................. 5-20, 7-2
Modbus registers ...........................................................B-70
procedures .................................................................... 11-1
settings ....................................................................... 5-343
CHANNELS
banks ................................................................... 5-73, 5-74
number of ...................................................................... 5-78
CHARGING CURRENT COMPENSATION ................ 5-78, 9-13
CIRCUIT MONITORING APPLICATIONS ......................... 5-256
CLEANING ....................................................................... 2-29
CLEAR RECORDS .................................................... 5-19, 7-2
CLEAR RELAY RECORDS
Modbus registers ...........................................................B-69
settings ......................................................................... 5-19
CLOCK
setting date and time ....................................................... 7-2
synchronization tests ..................................................... 11-2
COMMANDS MENU ........................................................... 7-1
COMMUNICATIONS
10BASE-F ............................................................ 5-23, 5-24
channel ................................................................ 2-12, 3-25
connecting to the UR .............................................. 1-8, 1-15
CRC-16 error checking .................................................... B-2
direct transfer trip .......................................................... 2-13
dnp ........................................................................ 5-25, E-1
G.703 ............................................................................ 3-28
half duplex...................................................................... B-1
HTTP ............................................................................ 5-42
IEC 60870-5-104 protocol .............................................. 5-43
IEC 61850 ................................................................... 5-327
inter-relay communications .................................... 2-11, 2-26
loopback test ...................................................... 2-13, 5-343
Modbus .................................................. 5-24, 5-44, B-1, B-3
Modbus registers ...........................................................B-28
network ................................................................ 5-23, 5-24
overview ............................................................... 1-16, 2-11
path diagram ................................................................. 2-12
RS232 ........................................................................... 3-22
RS485 .................................................................. 3-23, 5-21
settings ............................. 5-23, 5-24, 5-25, 5-30, 5-43, 5-44
specifications ................................................................. 2-26
UCA/MMS ................................................................... 5-328
web server..................................................................... 5-42
COMTRADE ............................................................... B-6, B-7
CONDUCTED RFI ............................................................ 2-28
CONTACT INFORMATION .................................................. 1-1
CONTACT INPUTS
actual values ................................................................... 6-3
dry connections ............................................................. 3-19
FlexLogic operands ...................................................... 5-130
Modbus registers ............................... B-11, B-20, B-64, B-66
settings ....................................................................... 5-321
specifications................................................................. 2-23
thresholds ................................................................... 5-321
wet connections ............................................................. 3-19
ii
INDEX
CONTACT OUTPUTS
actual values ................................................................... 6-4
FlexLogic operands ...................................................... 5-130
Modbus registers ......................................... B-11, B-20, B-76
settings ........................................................................ 5-324
CONTINUOUS MONITOR
FlexLogic operands ...................................................... 5-124
logic ............................................................................ 5-271
Modbus registers ........................................................... B-40
settings ........................................................................ 5-270
CONTROL ELEMENTS ................................................... 5-233
CONTROL POWER
description .....................................................................3-11
specifications .................................................................2-25
CONTROL PUSHBUTTONS
FlexLogic operands ...................................................... 5-122
Modbus registers ........................................................... B-70
settings ..........................................................................5-61
specifications .................................................................2-21
COUNTERS
actual values ................................................................... 6-7
settings ........................................................................ 5-259
CRC-16 ALGORITHM ........................................................ B-2
CRITICAL FAILURE RELAY ..................................... 2-24, 3-10
CSA APPROVAL ..............................................................2-29
CT BANKS
settings ..........................................................................5-73
CT FAILURE
FlexLogic operands ...................................................... 5-124
logic ............................................................................ 5-273
settings ........................................................................ 5-272
CT INPUTS ...................................................... 3-12, 5-6, 5-73
CT REQUIREMENTS ........................................................10-1
CT WIRING ......................................................................3-12
CURRENT BANK ..............................................................5-73
CURRENT DEMAND .........................................................5-56
CURRENT DIFFERENTIAL
applications ...................................................................10-3
description .....................................................................2-14
FlexLogic operands ...................................................... 5-122
logic ............................................................................ 5-147
metering ........................................................................6-14
Modbus registers .................................................. B-17, B-18
settings ........................................................................ 5-145
specifications .................................................................2-17
testing ...........................................................................11-3
trip ............................................................................... 5-231
CURRENT METERING
actual values ..................................................................6-15
Modbus registers ........................................................... B-13
specifications .................................................................2-22
CURVES
definite time ...................................................... 5-185, 5-219
FlexCurves™ ...................................................... 5-90, 5-185
I2T ............................................................................... 5-185
IAC .............................................................................. 5-184
IEC .............................................................................. 5-183
IEEE ............................................................................ 5-182
inverse time undervoltage ............................................. 5-219
types ........................................................................... 5-181
D
DATA FORMATS, MODBUS ............................................. B-80
DATA LOGGER
clearing ...................................................................5-19, 7-2
L90 Line Current Differential System
GE Multilin
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