GE 169 Instruction Manual page 66

Motor management relay
Table of Contents

Advertisement

3 SETUP AND USE
/(9(
,1)250$7,21 /,1(
/
11
STARTS/HOUR TRIP
LOCKOUT TIME = XXX MIN.
12
ACCEL. TIME TRIP
13
PHASE REVERSAL TRIP
14
SPEED SWITCH TRIP
15
DIFFERENTIAL INPUT TRIP
16
SPARE INPUT TRIP
17
OVERLOAD WARNING
TIME TO TRIP = XXXXX
G/F ALARMS
18
G/F = XX.X AMPS
19
U/B ALARM
U/B = XX PERCENT
20
U/C ALARM
I(3 ph avg) = XXXX A RMS
21
STATOR RTD ALARM
RTD # X
= XXX C
22
RTD ALARM
RTD # XX = XXX C
23
BROKEN RTD LINE
see RTD ACTUAL VALUES
24
SPARE INPUT ALARM
25
SLAVE NUMBER XXX
NOT CONNECTED
(;3/$1$7,21
Total number of motor starts over
the past hour greater than
Number of Starts / Hour setpoint.
Motor did not enter a normal
running state (i.e. phase current <
FLC) within Acceleration Time
setpoint.
Phases not connected to motor
in proper sequence.
Non-closure of speed switch
contacts within Speed Switch
Time Delay.
Closure of differential relay
contacts.
Spare Input contact closure.
Phase current greater than
Immediate O/L Level setpoint.
Ground Fault Alarm Level
exceeded for a time greater than
the Ground Fault Time Delay.
Unbalance Alarm Level
exceeded for a time greater than
the Unbalance Time Delay.
Phase current less than
Undercurrent Alarm Level for a
time greater than the
Undercurrent Time Delay.
Stator RTD Alarm Level
temperature exceeded on at
least one stator RTD.
RTD Alarm Level temperature
exceeded.
Open circuit on RTD.
Spare Input contact closure.
Indicated relay SLAVE number is
not connected or not responding.
60
g
GE Power Management
',$*126,6
Reduce number of starts during
normal motor operation.
Excessive load or locked rotor on
start.
Check incoming phase
sequence and CT polarity.
Locked rotor on start.
Differential relay trip.
Check device connected to
Spare Input terminals.
Reduce motor load.
Check motor windings for shorts,
moisture, or conductive particles.
Check incoming phases for
unbalance.
Check system for loss of load.
Check motor ventilation and
ambient temperature.
Check continuity of RTDs.
Check device connected to
Spare Input terminals.
Check indicated relay SLAVE.
Check communication link wiring
5() 

















Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

169 plus

Table of Contents