260 Parameters
Reduced
Reduced ID Run. This mode should be selected instead of
the Normal ID Run if
• mechanical losses are higher than 20% (i.e. the motor
cannot be de-coupled from the driven equipment), or if
• flux reduction is not allowed while the motor is running (i.e.
in case of a motor with an integrated brake supplied from
the motor terminals).
With Reduced ID run, the control in the field weakening area
or at high torques is not necessarily as accurate as with the
Normal ID run. Reduced ID run is completed faster than the
Normal ID Run (< 90 seconds).
Note:
Check the direction of rotation of the motor before
starting the ID run. During the run, the motor will rotate in the
forward direction.
WARNING!
The motor will run at up to
approximately 50…100% of the nominal speed
during the ID run. ENSURE THAT IT IS SAFE TO
RUN THE MOTOR BEFORE PERFORMING THE
ID RUN!
2
Standstill
Standstill ID run. The motor is injected with DC current. With
an asynchronous motor, the motor shaft is not rotating (with a
permanent magnet motor and synchronous reluctance motor,
the shaft can rotate < 0.5 revolution).
Note:
This mode should be selected only if the
or
ID run is not possible due to the restrictions caused
by the connected mechanics (e.g. with lift or crane
applications).
3
Autophasing
During autophasing, the start angle of the motor is
determined (with a permanent magnet motor and
synchronous reluctance motor, the shaft can rotate < 0.5
revolution). Note that other motor model values are not
updated. See also parameter
Notes:
• Autophasing can only be selected after the Normal/
Reduced/Standstill ID run has been performed once.
Autophasing is used when an absolute encoder, a resolver
or an encoder with commutation signals has been added/
changed to a permanent magnet motor or synchronous
reluctance motor and there is no need to perform the
Normal/Reduced/Standstill ID run again.
• During Autophasing, the motor shaft must NOT be locked
and the load torque must be < 5%.
4
Cur meas cal
Current offset and gain measurement calibration. The
calibration will be performed at next start.
5
No.
Name/Value
Description
FbEq
Содержание ACS850 series
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Страница 262: ...262 Parameters ...
Страница 310: ...310 Fault tracing ...
Страница 348: ...348 Control through a fieldbus adapter ...
Страница 358: ...358 Drive to drive link ...
Страница 368: ...368 Control chain and drive logic diagrams ...