-
-
84
Note: By setting Pn-24 to 110%, frequency up to Pn-02 x 1.1 can be output.
(Example) Assuming Pn-02 = 60.0Hz, Pn-24 = 1.1, up to 66Hz can be output. However, when the
frequency exceeds 400Hz, it is clamped at 400Hz.
2.7.12
DC INJECTION BRAKING
Item Name
Constant to be set
Factory Preset
DC Injection Braking during Stop
27
0.5s
DC Injection Braking at Start
28
0.0s
DC Injection Braking Current
26
50%
˙
DC injection braking at stop
Prevents overrun at stop.
If output frequency becomes
Minimum output frequency
Pn-07 or less, DC injection brake
is applied for the time set by Pn-27,
and the motor is stopped. By setting
0.
0s to Pn-27, DC injection braking
becomes disable: the motor coast to
stop when the output frequency is
Pn-27
FREQUENCY COMMAND
frequency
Pn-07
current
Pn-26
frequency
time
time