Speed2 Undercurrent - GE MOTOR MANAGEMENT RELAY 469 Instruction Manual

4.15 S14 TWO-SPEED MOTOR
All the Thermal Model parameters set for Speed 1 will be identical for Speed 2. A second overload curve setup
may be programmed here for Speed 2, High Speed.
S SPEED2 U/C
S [ENTER] for more
4
The addition of a second Undercurrent trip or alarm level may be useful as it will indicate if the wrong setpoints
are being used for the wrong speed i.e. normal running current for Speed 2 may be undercurrent for Speed 1.
4-90
SPEED2 SAFE STALL @
ESCAPE
100% Vline: 10.0 s
MESSAGE
SPEED 2 ACL INTERSECT
ESCAPE
@100% Vlin: 5.00 x FLA
MESSAGE
ð
BLOCK SPEED2 U/C
ENTER
FROM START: 0 s
ESCAPE
SPEED2 U/C ALARM:
ESCAPE
Off
MESSAGE
SPEED2 U/C ALARM
ESCAPE
PICKUP: 0.70 x FLA
MESSAGE
SPEED2 U/C ALARM
ESCAPE
DELAY: 1 s
MESSAGE
SPEED2 U/C ALARM
ESCAPE
EVENTS: Off
MESSAGE
SPEED2 U/C
ESCAPE
TRIP: 0ff
MESSAGE
SPEED2 U/C TRIP
ESCAPE
PICKUP: 0.70 x FLA
MESSAGE
SPEED2 U/C TRIP
ESCAPE
DELAY: 1 s
MESSAGE
469 Motor Management Relay
4 SETPOINT PROGRAMMING
Range: 0.5 to 999.9 sec; Step: 0.1
Seen only if Voltage Dependent Curve Style is selected
Range: 2.00 to Istall@Min_Vline x FLA; Step: 0.01
Seen only if Voltage Dependent Curve Style is selected

4.15.3 SPEED2 UNDERCURRENT

Range: 0 to 15000 s, step 1
Range: Off, Latched, Unlatched
Range: 0.10 to 0.95 x FLA, step 0.01
Range: 1 to 60 sec., step 1
Range: On, Off
Range: Off, Latched, Unlatched
Range: 0.10 to 0.99, step 0.01
Range: 1 to 60 sec., step 1
GE Power Management