Toshiba Tosvert VF-A5 User Manual
Page 81
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DC injection braking wiil start when the inverter stop command is issued and the output frequency is less than
Time [S]
©When
©When
When
d b F
d b F
d b F
F - E n
> reference frequency : DC injection braking is executed.
> reference frequency >
F
-
E n
■ Motor runs at the commanded frequency.
F - E n
> reference frequency : DC injection braking is executed.
Note 1) The inverter stop command includes when the reference frequency becomes OHz, or when the
output frequency becomes less than
F - E n
, in addition to the run/stop command.
© When a run command is issued during DC injection braking: DC injection braking is terminated, and the
motor starts running.
Time [S]
© During normal forward/reverse run ( \
d b S
L~|set to D), DC injection braking is not executed, as the
command is not regarded as an inverter stop command.
© When a reverse run (forward run) command is issued during a fonward run (reverse run); DC injection braking
starts when
d b F
> reference frequency during deceleration
When a run command is issued during DC injection braking; DC injection braking has priority.
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