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4.3 S2 PROTECTION
RESET LOCKOUT USING
MESSAGE
RESET KEY: ENABLE
PHASE UNBALANCE
MESSAGE
ALARM: ENABLE
THERMAL CAPACITY
MESSAGE
ALARM: OFF %
4
OPEN CONTROL CIRCUIT
MESSAGE
TRIP: ENABLE
RESET ALARMS USING
MESSAGE
RESET KEY: ENABLE
4-14
Range: ENABLE, DISABLE
If this setpoint is set to ENABLE, the
MM3 will reset all trips providing that the trip condition is not still present.
When set to DISABLE, the
three lockout trips (Overload, Ground Fault, and Locked Rotor); one of
the interlock inputs will have to be used to reset these three trips. Note:
when the "Lockout Reset" function is configured, the
longer be able to reset the three lockout trips.
Range: ENABLE, DISABLE
When an unbalance in phase currents exceeds the internally set
threshold, an alarm condition will be generated if this value is set to
ENABLE. The internal threshold is 15% and the unbalance must be above
this threshold for at least 5 seconds for the alarm to occur.
Range: 1 to 100% or OFF; Step: 1
When the thermal capacity used exceeds the level set, an alarm will be
generated. This alarm can be assigned to a dedicated AUX Relay if
desired.
Range: ENABLE, DISABLE
In two-wire control applications where a constant start signal is provided,
the MM3 should be configured to trip on an open control circuit. An Open
Control Circuit occurs when feedback on Contactor Status (terminal 55)
stays open when a start operation is executed. This condition may occur
if a control wiring problem develops or because of an AUX contact failure.
The OPEN CONTROL CIRCUIT TRIP feature should be used in conjunction
with the RESET ALARMS USING RESET KEY function.
Range: ENABLE, DISABLE
The MM3 will now allow the Acceleration Alarm, Open Control Circuit
Alarm, Motor Greasing, Contactor Inspection and Motor Stopped Time
Alarms to be reset using the Faceplate Reset Key. All other alarms will
reset when the Alarm condition clears.
MM3 Motor Manager 3
RESET
key on the faceplate of the
key on the faceplate will not reset the
RESET
GE Power Management
4 SETPOINTS
key will no
RESET
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