01/02 AWB8230-1413GB
Acceleration pause
115
Acceleration pause
With this function, you can specify a pause in the acceleration
ramp, during which the output frequency remains constant. When
the frequency inverter is overloaded during acceleration, for
example when accelerating heavy loads or when starting motors
in reverse, set an acceleration pause with this function. This
prevents a frequency inverter overload. Under PNU A069, specify
the frequency at which the pause is to start. PNU A070 determines
the duration of the pause.
With motors running in reverse, this function keeps the output
voltage and output frequency low until the motor has stopped and
is running in the required direction before accelerating at the
specified acceleration ramp.
Figure 114: Function chart for acceleration waiting time
f
o
: Output frequency
f
s
: Frequency setpoint value
PNU A070
PNU A069
f
o
t
f
s
PNU
Name
Adjustable in RUN mode
Value
Function
WE
Normal
Extended
A069
Waiting time frequency
–
j
0 to 400 Hz
When this frequency is reached, the pause begins.
0.00
A070
Waiting time
0 to 60 s
Setting the waiting time.
0.0
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