Open-loop Logic Outputs C3
74
ground fault
(Ground Fault)
The output is true when the sum of all phase
current exceeds 50% of rated current of the
drive.
motor trq lim
(Motor Torque Limit)
The output is true when the torque limit has
been reached while the drive is in the motoring
mode. The motoring mode is defined as the
drive delivering energy to the motor.
mtr overload
(Motor Overload)
The output is true when the motor has exceeded
the user defined motor overload curve.
no function
(No Function)
This setting indicates that the terminal or relay
will not change state for any operating condition;
i.e. the output signal will be constantly false.
not alarm
(Not Alarm)
The output is true when an alarm is NOT
present.
over curr flt
(Motor overload current fault)
The output is true when the phase current has
exceeded 250% of rated current.
overtemp flt
(Heatsink Over Temperature Fault)
The output is true when the drive’s heatsink has
exceeded 90
°
C (194
°
F).
overvolt flt
(Over Voltage Fault)
The output is true when the DC bus voltage
exceeds 850VDC for a 460V class drive or
425VDC for a 230V class drive.
ovrtemp alarm
(Drive Over Temperature Alarm)
The output is true when the drive’s heatsink
temperature has exceeded 80
°
C (176
°
F).
phase fault
(Phase Loss)
The output is true when the drive senses an
open motor phase.
ramp down ena
(Ramp Down Enable)
This output is true while the drive is ramping
down the speed reference to zero via the auto
stop function.
ready to run
(Ready to Run)
The output is true when the drive’s software has
been initialized and no faults are present.
regen trq lim
(Regeneration Torque Limit)
The output is true when the torque limit has
been reached while the drive is in the
regenerative mode. The regenerative mode is
defined as when the motor is returning energy to
the drive. When the drive is in regenerative
mode, the energy is dissipated via the dynamic
brake circuitry (internal brake IGBT and external
brake resistor).
run commanded
(Run Commanded)
The output is true when the drive is being
commanded to run.
run confirm
(Run Command Confirm)
The output is true after the software has
initialized, no faults are present, the drive has
been commanded to run, the contactor has
closed and the IGBTs are firing.
speed ref rls
(Speed Reference Release)
The output is true when the flux is confirmed and
drive is NOT in DC injection.
spd ref rls 2
(Speed Reference Release 2)
The output is true when:
•
software initialized and no faults present
•
drive being commanded to run (contact
confirm true, if used)
•
not in DC injection
•
SPEED COMMAND SRC(C1) parameter =
multi-step
speed reg rls
(Speed Regulator Release)
The output is true when the flux is confirmed at
75% and brake is commanded to be picked (if
used)
stltst active
(Stall Test Active)
The output is true when the drive is declaring a
Stall Test Fault. The Stall Test Fault checks that
motor current goes at or above a percentage
(defined by STALL TEST LVL(A1)) for defined
amount of time (defined by STALL FAULT
TIME(A1)). If the motor current exceeds the
defined parameters a STALL TEST FAULT will
be declared.
undervolt flt
(Low Voltage Fault)
The output is true when the DC bus voltage
drops below the user specified percent of the
input line-to-line voltage.
up to speed
(Up to Speed)
The output is true when the motor speed is
above the user specified speed