Function Applications
-453-
Group 4: F8-07, F8-08
Application
The following example uses DI6 and DI7 as the input switchover terminals to describe how to set the
acceleration/deceleration time.
1. Set F4-10/F4-11 and F4-12/F4-13 to select DI6 and DI7 as the input switchover terminals.
Para. No. Name
Reference
Function Description
F4-10
DI6 hardware source
001
1: DI1 of the power supply unit
F4-11
DI6 function
18
Acceleration/deceleration
selection terminal 1
F4-12
DI7 hardware source
002
2: DI2 of the power supply unit
F4-13
DI7 function
19
Acceleration/deceleration
selection terminal 2
2. Set the corresponding acceleration/deceleration time.
DI8 State DI7 State
Acceleration/Deceleration Time
OFF OFF
Group 1: F0-17, F0-18
(Acceleration time 1)
OFF ON
Group 2: F8-03, F8-04
(Acceleration time 2. For details, see F0-17 and F0-18.)
ON OFF
Group 3: F8-05, F8-06
(Acceleration time 3. For details, see F0-17 and F0-18.)
ON ON
Group 4: F8-07, F8-08
(Acceleration time 4. For details, see F0-17 and F0-18.)
3. Set F0-19 (acceleration/deceleration time unit). Note that when this parameter is modified, the
decimal places of the four groups of acceleration/deceleration time will change, and the
corresponding acceleration/deceleration time will also change.
4. Set F6-07 (acceleration/deceleration mode) to select the frequency change mode during the start
and stop process of the AC drive.
● 0: Linear acceleration/deceleration. The output frequency increases or decreases linearly.
● 1: S-curve acceleration/deceleration. When the target frequency changes dynamically in real
time, the output frequency increases or decreases in real time based on the S-curve (as defined
by F6-26 and F6-27). This mode is applicable to applications requiring supreme comfort and
quick response in real time. F6-26 (time proportion of S-curve acceleration start segment) and F6-
27 (time proportion of S-curve acceleration end segment) must be set and meet the following
conditions: F6-26 + F6-27 ≤ 100.0%.
● 2: Four-segment S-curve acceleration/deceleration. Compared with S-curve acceleration/
deceleration, four curve segments of the S-curve can be set. F6-26 (time proportion of S-curve
acceleration start segment), F6-27 (time proportion of S-curve acceleration end segment), F6-28
(time proportion of S-curve deceleration start segment), and F6-29 (time proportion of S-curve
deceleration end segment) must be set and meet the following conditions: F6-26 + F6-27 ≤
100.0%; F6-28 + F6-29 ≤ 100.0%.
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