124
WX9 ASD Installation and Operation Manual
Scan Rate
Program
Protection
Retry/Restart
In the event of a momentary power outage, the output signal of the drive will
cease. Upon restoration of power, the drive will output a low-level signal that
will be used to determine the rotation speed of the rotor.
The low-level signal will start scanning the motor and decrease until it reaches
0.0 Hz or it matches the signal produced by the turning rotor. Once the rate of
rotation is determined, the drive will provide the normal output to engage the
motor from its present speed.
This parameter determines the rate at which the scanning signal goes to 0.0 Hz.
See
Auto Restart Selection
) for additional information on this
parameter.
Direct Access Number — F312
Parameter Type —
Numerical
Factory Default —
(ASD-Dependent)
Changeable During Run —
Yes
Minimum — 0.50
Maximum — 2.50
Lock-On Rate
Program
Protection
Retry/Restart
After a momentary power outage, the ASD may have to startup into a spinning
motor. The
Lock-On Rate
is the difference between the time that the RPM of
the motor is determined by the ASD and the time that the ASD outputs a drive
signal to the motor.
See
Auto Restart Selection
for additional information on this
parameter.
Direct Access Number — F313
Parameter Type —
Numerical
Factory Default —
(ASD-Dependent)
Changeable During Run —
Yes
Minimum — 0.50
Maximum — 2.50
Search Method
Program
Protection
Retry/Restart
In the event of a momentary power outage, this parameter may be used to set
the starting point (frequency) of the scanning signal that is used to determine
the rotor speed or this parameter may be used to select the method used to
search for the speed of the rotor.
See
Auto Restart Selection
Scan Rate
(
)
for additional
information on this parameter.
Settings:
0 — Normal
1 — Start from 0 Hz
2 — Start from Running Frequency
3 — Option Board
4 — PG
Direct Access Number — F314
Parameter Type —
Selection List
Factory Default —
(ASD-Dependent)
Changeable During Run —
No
Содержание WX9 ASD
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