Motor Shaft Fixing Control - Toshiba TOSVERT VF-AS1 Instruction Manual

[Priority to DC braking during forward/reverse operation] (Forward/reverse run DC braking priority control =[ON])
Output frequency [Hz]
Set frequency

Reference frequency


Forward run signal (F-CC)
Reverse run signal (R-CC)
(4) During normal forward/reverse run (=)
6 (5) If a reverse run (or forward) command is entered during forward run (or reverse) (=) :
(6) If an operation command is entered during DC braking : RUN command has a priority.
(7) If an operation command is changed from ON to OFF during DC braking, DC braking is discontinued to stop the
operation.

6.8.2 Motor shaft fixing control

 : Motor shaft fixing control
• Function
This function is used to prevent the motor from running unexpectedly after the motor is stopped because
it's shaft is not restrained or to preheat the motor.
[Parameter setting]
Title

If the motor shaft fixing control parameter  is set at , DC braking continue at half a braking rate of that set with
 to retain the motor after it has come to a full stop by DC braking. To terminate the motor shaft fixing control cut
off the standby signal (ST signal). Note, however, that this function doesn't operate after a DC braking command is
entered by control input terminal signal.
=

0
(4)
0
Function
Motor shaft fixing control
=
 
(5)
: Not recognized as a stop command, so that the DC
braking is not active.
DC braking when the frequency set with 
decreases below the reference frequency during
deceleration.
Adjustment range
:Disabled, :Enabled
F-16
E6581301
: DC braking
 
Time [s]
(6) (7)
ON
OFF
ON
OFF
Default setting
