GE t60 Instruction Manual page 627

TROUBLE INDICATOR ............................................. 1-17, 7-4
U
UL APPROVAL ................................................................ 2-21
UNAUTHORIZED ACCESS
commands .................................................................... 5-14
resetting .......................................................................... 7-2
UNDERFREQUENCY
FlexLogic™ operands .................................................. 5-106
logic ............................................................................ 5-211
Modbus registers ........................................................... B-35
settings ....................................................................... 5-211
specifications ................................................................ 2-12
UNDERVOLTAGE
auxiliary ........................................................................ 2-12
phase .................................................................. 2-12, 5-195
UNDERVOLTAGE CHARACTERISTICS .......................... 5-193
UNEXPECTED RESTART ERROR ...................................... 7-8
UNIT NOT PROGRAMMED ....................................... 5-66, 7-5
UNPACKING THE RELAY .................................................. 1-1
UNRETURNED MESSAGES ALARM ................................. 5-64
UPDATING ORDER CODE ................................................. 7-3
URPC
see entry for ENERVISTA UR SETUP
USER-DEFINABLE DISPLAYS
example ........................................................................ 5-57
invoking and scrolling .................................................... 5-55
Modbus registers .................................................. B-18, B-24
settings .................................................................5-55, 5-57
specifications ................................................................ 2-14
USER-PROGRAMMABLE FAULT REPORT
actual values ................................................................. 6-22
clearing .................................................................. 5-14, 7-2
Modbus registers ........................................................... B-16
settings ......................................................................... 5-38
USER-PROGRAMMABLE LEDs
custom labeling ............................................................. 4-22
defaults ......................................................................... 4-16
description ............................................................4-15, 4-16
Modbus registers ........................................................... B-20
settings ......................................................................... 5-46
specifications ................................................................ 2-14
USER-PROGRAMMABLE PUSHBUTTONS
FlexLogic™ operands .................................................. 5-108
Modbus registers .................................................. B-24, B-34
settings ......................................................................... 5-49
specifications ................................................................ 2-14
USER-PROGRAMMABLE SELF TESTS
Modbus registers ........................................................... B-21
settings ......................................................................... 5-47
USERST-1 BIT PAIR ...................................................... 5-235
V
VAR-HOURS ...........................................................2-15, 6-17
GE Multilin
INDEX
VIBRATION TESTING ...................................................... 2-20
VIRTUAL INPUTS
actual values ................................................................... 6-3
commands ....................................................................... 7-1
FlexLogic™ operands ................................................... 5-107
logic ............................................................................ 5-228
Modbus registers ................................................... B-8, B-50
settings ....................................................................... 5-228
VIRTUAL OUTPUTS
actual values ................................................................... 6-5
FlexLogic™ operands ................................................... 5-107
Modbus registers .......................................................... B-51
settings ....................................................................... 5-231
VOLTAGE BANKS ............................................................ 5-69
VOLTAGE DEVIATIONS ................................................... 2-20
VOLTAGE ELEMENTS ................................................... 5-193
VOLTAGE METERING
Modbus registers .......................................................... B-11
specifications ................................................................. 2-15
values ........................................................................... 6-15
VOLTAGE RESTRAINT CHARACTERISTIC ..................... 5-163
VOLTS PER HERTZ
actual values ................................................................. 6-21
curves ......................................................................... 5-201
FlexLogic™ operands ................................................... 5-106
logic ............................................................................ 5-200
Modbus registers .......................................................... B-42
settings ....................................................................... 5-200
specifications ................................................................. 2-12
VT FUSE FAILURE
logic ............................................................................ 5-225
Modbus registers .......................................................... B-42
settings ....................................................................... 5-225
VT INPUTS ...................................................... 3-13, 5-6, 5-69
VT WIRING ...................................................................... 3-13
VTFF
FlexLogic™ operands ................................................... 5-105
see VT FUSE FAILURE
W
WARRANTY .......................................................................F-8
WATT-HOURS ........................................................ 2-15, 6-17
WEB SERVER PROTOCOL .............................................. 5-33
WEBSITE ........................................................................... 1-1
WINDING
application example ....................................................... 5-82
WINDINGS
Modbus registers .......................................................... B-23
Z
ZERO SEQUENCE CORE BALANCE ................................ 3-13
ZERO-SEQUENCE COMPENSATION ...................... 5-80, 5-81
T60 Transformer Protection System ix