Toshiba TOSVERT VF-PS1 Instruction Manual page 102

[Parameter setting]
Title Function
Regenerative power ride-through
control selection
Non-stop control time/Deceleration
time during power failure
Under voltage detection level
Regenerative power ride-through control level
Note 1: The power ride-through control time when
deceleration time when
Note 2: Even if these functions are used, a motor may coast according to load conditions.
In this case, use the auto-restart function along with this parameter function.
Note 3: Although the setting of
written when
Note 4: For the parameter
An example of setting when
[When power is interrupted]
*1
Input voltage
Internal DC
voltage level
Motor speed
About 100ms～10s
*1: Note: If power is interrupted during deceleration stop, power
ride-through control will not be performed.
[If momentary power failure occurs]
*1
Input voltage
Internal DC
voltage level
Motor speed
*1: Note: If power is interrupted during deceleration stop, power
ride-through control will not be performed.
:Disabled
:Power ride-through
:Deceleration stop during power failure:
~
~
~
=
= depends on the setting of
can be written when
is set to (momentary power failure slowdown stop).
100% corresponds to 200V (200V class) or 400V (400V class).
=
Regenerative power
ride-through control selection
Coasting stop
Non-stop control
Normal acceleration
E-33
Adjustment range
sec.
%, : Automatic mode
%
depends on the setting of
.
is set to (non-stop control), it cannot be
The time for which the operation of the motor
can be continued depends on the machine
inertia and load conditions. Before using this
function, therefore, perform verification tests.
Use with the retry function allows the motor to
be restarted automatically without being
brought to an abnormal stop.
E6581531
Default setting
According to
voltage class⇒
Refer to pageK-23.
, and the
5