Function Applications
-507-
Figure 4-58 Timing diagram of the frequency detection range
Related Parameters
Para.
No.
Name
Default
Value Range Description
F8-26
Frequency
Detection Range
0.00 Hz
0.00 Hz to
maximum
frequency
The DO terminal outputs an active signal when
the running frequency of the AC drive is within
the specified range (frequency reference±F8-
26).
4.5.2.6 Acceleration/Deceleration Time Switchover Frequency
This function enables selection of different acceleration/deceleration time based on the running
frequency during running of the AC drive.
The following figure shows the schematic diagram of acceleration/deceleration time switchover.
During acceleration, if the running frequency is lower than F8-35, acceleration time 2 is selected; if it is
higher than F8-35, acceleration time 1 is selected. During deceleration, if the running frequency is
higher than F8-36, deceleration time 1 is selected; if it is lower than F8-36, deceleration time 2 is
selected.
Figure 4-59 Acceleration/Deceleration time switchover
This function is available only when motor 1 is selected (F0-24 = 0) and the DI terminal is not assigned
with function 18 (acceleration/deceleration time selection terminal 1) or 19 (acceleration/deceleration
time selection terminal 2).
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