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Def / Type
FbEq 16b / 32b
Description
Name / Range /
Selection
No.
5.0 s / real32
The motor can be automatically started after a short
supply power failure using the automatic restart
function. See section
When this parameter is set to 0.0 seconds, automatic
restarting is disabled. Otherwise, the parameter defines
the maximum duration of the power failure after which
restarting is attempted. Note that this time also
includes the DC precharging delay.
WARNING!
The function restarts the drive automatically
and continues operation after a supply break.
Make sure that no dangerous situations can
occur.
Auto restart time
21.18
1 = 1 s / 10 = 1 s
0.0 s = Automatic restarting disabled.
0.1 … 5.0 s = Maximum power failure duration.
0.0 ... 10.0 s
Normal / uint16
Selects the motor start function for the scalar motor
control mode, ie. when
99.4 Motor control mode is set
to
Scalar.
Note:
•
The start function for the DTC motor control mode
is selected by parameter
•
With permanent magnet motors,
start
mode must be used.
See also section
.
Scalar start mode
21.19
0
Immediate start from zero speed.
Normal
1
The drive pre-magnetizes the motor before start. The
premagnetizing time is defined by parameter
. This mode should be selected if
constant pre-magnetizing time is required (e.g. if the
motor start must be synchronized with the release of
a mechanical brake). This setting also guarantees the
highest possible break-away torque when the
pre-magnetizing time is set long enough.
Note: This mode cannot be used to start into a rotating
motor.
WARNING!
The drive will start after the set magnetizing
time has passed even if motor magnetization
is not completed. In applications where a full
break-away torque is essential, ensure that the
constant magnetizing time is long enough to
allow generation of full magnetization and
torque.
Const time
298 Parameters
Содержание ACS880 Series
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