GE MM300 Instruction Manual page 189

Motor management system low voltage motor protection and control
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CHAPTER 7: FLEXLOGIC™
MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
Protection operands: load increase
Load Increase Alarm ................................Asserted when a load increase alarm condition exists.
Protection operands: mechanical jam
Mechanical Jam Trip................................Asserted when a mechanical jam trip condition exists.
Protection operands: overvoltage
Overvoltage Alarm ....................................Asserted when an overvoltage alarm condition exists.
Overvoltage Trip.........................................Asserted when an overvoltage trip condition exists.
Protection operands: phase reversal
Phase Reversal Alarm..............................Asserted when a phase reversal alarm condition exists.
Phase Reversal Inhibit .............................Asserted when a phase reversal condition inhibits starting.
Phase Reversal Trip...................................Asserted when a phase reversal trip condition exists.
Protection operands: RTD protection
RTD #1 Alarm...............................................Asserted when an RTD #1 alarm condition exists.
RTD #1 Trip....................................................Asserted when an RTD #1 trip condition exists.
RTD #2 to RTD #6.......................................The same set of operands shown above are available for RTDs
RTD Open/Short Alarm............................Asserted when any configured RTD channel is found to be an
Protection operands: starting duty inhibits
Thermal Inhibit............................................Asserted when the motor is too hot to be started.
Time Between Inhibit...............................Asserted when the minimum time between starts has not
Protection operands: thermal model
Thermal Level Alarm ................................Asserted when the thermal capacity used alarm condition
Thermal O/L Trip.........................................Asserted when the thermal model has operated and the motor
Protection operands: thermistor protection
Thermistor Alarm.......................................Asserted when a thermistor alarm condition exists.
Thermistor Trip............................................Asserted when a thermistor trip condition exists.
Protection operands: undercurrent
Undercurrent Alarm..................................Asserted when an undercurrent alarm condition exists.
Undercurrent Trip ......................................Asserted when an undercurrent trip condition exists.
Protection operands: underpower
Underpower Alarm....................................Asserted when an underpower alarm condition exists.
Underpower Trip ........................................Asserted when an underpower trip condition exists.
Protection operands: undervoltage
Undervoltage Alarm .................................Asserted when an undervoltage alarm condition exists.
Undervoltage Trip......................................Asserted when an undervoltage trip condition exists.
System trouble operands
Open Control Circuit.................................Asserted when an open control circuit is detected.
Self-Test Alarm............................................Asserted when the self-test has failed and is set for alarm.
Self-Test Trip.................................................Asserted when the self-test has failed and is set for trip.
Welded Contactor Alarm........................Asserted when a welded contactor is detected.
2 through 6.
open circuit when any configured RTD channel is found to be
shorted or showing less than –50°C..
expired since the last motor start.
exists.
has cooled, but the trip has not yet been reset.
FLEXLOGIC™ OVERVIEW
7–5

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