6. Description of Parameters
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6.11.5 Acceleration/Deceleration Time Switchover
This function selects acceleration/deceleration time according to running frequency range
during drive running. This function is active only when motor 1 is selected and acceleration/
deceleration time is not switched over via external DI terminal.
Figure 6-65 Acceleration/Deceleration time switchover
F8-25
F8-26
Time (t)
Frequency
reference
Output
frequency (Hz)
Acceleration
time 2
Acceleration
time 1
Deceleration
time 1
Deceleration
time 2
During acceleration, if the running frequency is below F8-25, acceleration time 2 is selected. If it
is above F8-25, acceleration time 1 is selected.
During deceleration, if the running frequency is above F8-26, deceleration time 1 is selected. If
it is below F8-26, deceleration time 2 is selected.
Function Code Parameter Name Setting Range Default
F8-25
Switchover frequency of acceleration
time 1 and acceleration time 2
0.00 Hz to max. frequency 0.00 Hz
F8-26
Switchover frequency of deceleration
time 1 and deceleration time 2
0.00 to max. frequency 0.00 Hz
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