Under/Overvoltage Protection - GE MM3 Instruction Manual

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4 SETPOINTS
PATH: SETPOINTS MM S2: PROTECTION MMMMM UNDER/OVERVOLTAGE PROTECTION
UNDERVOLTAGE ALARM
LEVEL:
OFF V
MESSAGE
UNDERVOLTAGE ALARM
MESSAGE
DELAY: 10 s
UNDERVOLTAGE TRIP
MESSAGE
LEVEL:
OFF kW
UNDERVOLTAGE TRIP
MESSAGE
DELAY: 10 s
OVERVOLTAGE ALARM
MESSAGE
LEVEL:
OFF V
OVERVOLTAGE ALARM
MESSAGE
DELAY:
10 s
OVERVOLTAGE TRIP
MESSAGE
LEVEL:
OFF V
OVERVOLTAGE TRIP
MESSAGE
DELAY:
10 s
GE Power Management

4.3.6 UNDER/OVERVOLTAGE PROTECTION

Range: 0 to 690 V or OFF; Step: 1 V
Appears if VT PRIMARY VOLTAGE is not set to OFF. This feature functions the
same as the Undervoltage Trip feature but produces an alarm indication
instead of a trip.
Range: 1 to 60 seconds; Step: 1 second
Appears if VT PRIMARY VOLTAGE is not set to OFF. Enter the delay for
activation of the Undervoltage Alarm.
Range: 0 to 600 V or OFF; Step: 1 V
Appears if VT PRIMARY VOLTAGE is not set to OFF. If the voltage remains
below this value while the motor is running for the time specified in the
UNDERVOLTAGE TRIP DELAY, the MM3 will trip. Set this value to OFF if no
Undervoltage Trip is required.
Range: 1 to 60 seconds; Step: 1 second
Appears if VT PRIMARY VOLTAGE is not set to OFF. Set the UNDERVOLTAGE
TRIP DELAY long enough to prevent nuisance trips from momentary
voltage dips when the Undervoltage Trip feature is used.
Range: 0 to 600 V or OFF; Step: 1 V
Appears if VT PRIMARY VOLTAGE is not set to OFF. This feature functions the
same as the Overvoltage Trip feature but produces an alarm indication
instead of a trip.
Range: 1 to 60 seconds; Step: 1 second
Appears if VT PRIMARY VOLTAGE is not set to OFF. Enter the delay for
activation of the Overvoltage Alarm.
Range: 0 to 690 V or OFF; Step: 1 V
Appears if VT PRIMARY VOLTAGE is not set to OFF. If the voltage remains
above this value while the motor is running for the time specified in the
OVERVOLTAGE TRIP DELAY, the MM3 will trip. Set this value to OFF if no
Overvoltage Trip is required.
Range: 1 to 60 seconds; Step: 1 second
Appears if VT PRIMARY VOLTAGE is not set to OFF. Set the OVERVOLTAGE
TRIP DELAY long enough to prevent nuisance trips from momentary
voltage dips when the Undervoltage Trip feature is used.
MM3 Motor Manager 3
4.3 S2 PROTECTION
4-17
4

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