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UNDERFREQUENCY
FlexLogic operands ..................................................... 5-137
logic ............................................................................ 5-261
settings ....................................................................... 5-261
specifications ................................................................ 2-23
UNDERVOLTAGE
auxiliary ........................................................................ 2-23
phase .................................................................. 2-23, 5-232
UNDERVOLTAGE CHARACTERISTICS .......................... 5-231
UNEXPECTED RESTART ERROR .................................... 7-10
UNIT NOT PROGRAMMED ....................................... 5-77, 7-7
UNPACKING THE RELAY .................................................. 1-2
UPDATING ORDER CODE ................................................. 7-3
URPC
see entry for ENERVISTA UR SETUP
USER-DEFINABLE DISPLAYS
example ........................................................................ 5-77
invoking and scrolling .................................................... 5-75
Modbus registers .................................................. B-28, B-34
settings .................................................................5-75, 5-77
specifications ................................................................ 2-26
USER-PROGRAMMABLE LEDs
custom labeling ............................................................. 4-22
defaults ......................................................................... 4-16
description ............................................................4-15, 4-16
Modbus registers ........................................................... B-30
settings ......................................................................... 5-66
specifications ................................................................ 2-25
USER-PROGRAMMABLE PUSHBUTTONS
FlexLogic operands ..................................................... 5-139
Modbus registers .................................................. B-34, B-51
settings ......................................................................... 5-69
specifications ................................................................ 2-26
USER-PROGRAMMABLE SELF TESTS
Modbus registers ........................................................... B-32
settings ......................................................................... 5-67
USERST-1 BIT PAIR ...................................................... 5-343
V
VAR-HOURS ...........................................................2-27, 6-19
VIBRATION TESTING ...................................................... 2-32
VIRTUAL INPUTS
actual values ................................................................... 6-4
commands ...................................................................... 7-1
FlexLogic operands ..................................................... 5-137
logic ............................................................................ 5-336
Modbus registers .................................................... B-9, B-67
settings ....................................................................... 5-336
GE Multilin
INDEX
VIRTUAL OUTPUTS
actual values ................................................................... 6-6
FlexLogic operands ...................................................... 5-137
Modbus registers .......................................................... B-68
settings ....................................................................... 5-339
VOLTAGE BANKS ............................................................ 5-80
VOLTAGE DEVIATIONS ................................................... 2-32
VOLTAGE ELEMENTS ................................................... 5-231
VOLTAGE METERING
Modbus registers .......................................................... B-13
specifications ................................................................. 2-27
values ........................................................................... 6-17
VOLTAGE RESTRAINT CHARACTERISTIC ..................... 5-194
VOLTS PER HERTZ
actual values ................................................................. 6-24
VT FUSE FAILURE
logic ............................................................................ 5-288
Modbus registers .......................................................... B-57
settings ....................................................................... 5-287
VT INPUTS ...................................................... 3-12, 5-7, 5-80
VT WIRING ...................................................................... 3-12
VTFF
FlexLogic operands ...................................................... 5-136
see VT FUSE FAILURE
W
WARNINGS ........................................................................ 1-1
WARRANTY .......................................................................F-9
WATT-HOURS ........................................................ 2-27, 6-19
WATTMETRIC ZERO-SEQUENCE DIRECTIONAL
actual values ................................................................. 6-23
FlexLogic operands ...................................................... 5-137
Modbus registers .......................................................... B-64
settings ....................................................................... 5-207
specifications ................................................................. 2-22
WEB SERVER PROTOCOL .............................................. 5-48
WEBSITE ........................................................................... 1-2
WIRING DIAGRAM ............................................................. 3-9
Z
ZERO SEQUENCE CORE BALANCE ................................ 3-12
ZERO-SEQUENCE CURRENT REMOVAL ......................... 5-86
L90 Line Current Differential System
xi
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