Schweitzer Engineering Laboratories SEL-749M - Page 305

IN.5Index
T–Z
Date Code 20080918 Instruction ManuaI SEL-749M Relay
start report 3.13, 5.6
start trending 5.7
thermal capacity 4.9, F.9
time 4.17
Starts Per Hour 4.17
lockout 4.18
meter, starts available 5.2
, 5.3
STATUS Command 7.24
Status, Relay 7.24
–7.25, 7.26
front-panel function 8.9
serial communication port 1.6
DeviceNet status 1.6
Stop Motor
front-panel function 8.7
STOP Command 7.26
STR Command 7.26
SUMMARY Command 7.26
T
TARGET Com man d 7.27
Targets 4.43
, 8.9
definitions 8.9
front-panel function 4.44
, 8.7, 8.9
reset targets 4.40
, 4.44, 8.10
view using communications
port 7.27
Temperature
See Resistance Temperature Device
(RTD)
Testing 10.1
–10.13
acceptance testing 10.3
commissioning testing 10.3
–10.6
connection check 10.6
low-level test interface 10.2
maintenance testing 10.10
methods 10.3
, 10.10
relay elements 10.10
self tests 10.11
test connections 10.7
, 10.8
with SER 10.10
with targets, LED 10.2
with targets, LEDs 10.10
with terminal 10.10
Thermal Capacity 4.4
, F.9
alarm setting 4.9
analog output 4.32
interpreting values F.9
meter 5.2
, 5.3
required to start 4.9
, F.9
RTD % thermal capacity 4.23
starting 4.9
, F.9
Thermal Element
running protection F.7
starting protection F.6
theory F.1
Thermal Limit
600 HP motor example 4.5
curves, rating 4.6
timer per curve 4.7
Thermal Overload Element 4.4
–4.10,
F. 1 –F. 9
alarm 4.9
biasing 4.10
, 4.23
cooling time, stopped 4.10
curve method
application example 4.7
–??
curves, figures and tables 4.8
electrical analog F.3
front-panel reset 8.8
locked rotor trip time dial 4.6
application example 4.7
lockout 4.35
negative-sequence F.4
positive-sequence F.4
purpose F.2
rating method
application example 4.5
RTD biasing 4.10
, 4.23
running protection 4.5
, F. 7
selecting thermal method 4.4
starting protection 4.5
theory F. 1
–F. 9
Thermistor
See PTC Thermistor
Time Between Starts 4.17
lockout 4.18
meter, time to reset 5.2
, 5.3
Time Code
See IRIG-B Time Synchronization
TIME Command 1.7
, 7.28
Time to Trip
meter 5.2
, 5.3
TRIGGER Command 7.28
Trip Contact
See also Contact Outputs
fail-safe operation 2.13
, 4.4, 4.39
minimum duration time
TDURD 4.34
wiring diagram 2.13
, 2.14, 2.16
Trip Inhibit 4.32
Trip Reset
front-panel function 8.10
Trip Voting
See Resistance Temperature Device
(RTD)
Trip/Close Logic 4.33
–4.36
contactor/breaker status 52A 4.36
factory default 4.34
lockout 4.35
logic diagram 4.34
minimum trip time TDURD 4.34
trip equation TR 4.34
trip Relay Word bit 4.34
trip unlatch ULTRIP 4.35
Troubleshooting 10.13
setting error messages 6.5
Two-Speed Motor Applications 2.18
control equation SPEED2 4.37
U
Unbalance Current
See Current Imbalance
Undercurrent (Load Loss) Elements 4.14
logic diagram 4.14
Underpower Elements 4.26
logic diagram 4.27
Undervoltage Elements 4.24
logic diagram 4.25
Upgrade
See Firmware, upgrade instructions
V
VAR Elements 4.26
logic diagram 4.26
Voltages
See also Meter
connections 2.15
delta wiring diagram 2.15
four-wire wye wiring diagram 2.15
input settings 4.3
example 4.4
loss of potential 4.28
open-delta wiring diagram 2.15
phase-to-neutral voltage
elements 4.24
phase-to-phase voltage
elements 4.24
Z
Z number 3.7
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