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9. Basic functions
9-11 SV-iC5
More precise time unit can be set corresponding to load characteristics as shown below.
Code
Parameter Name
Setting range Set
value
Description
0.01~600.00
0 Unit: 0.01 sec.
0.1~6000.0
1 Unit: 0.1 sec.
H71
[Accel/Decel Time setting
unit]
1~60000
2 Unit: 1 sec.
Accel/Decel time based on Run frequency
Group LED display Parameter name
Set
value
Min/Max
range
Factory
defaults
Unit
ACC [Accel time] - 0/6000 5.0 sec
Drive
group
dEC [Decel time] - 0/6000 10.0 sec
Function
group 2
H70
[Frequency reference for
Accel/Decel]
1
0/1 0
Accel/Decel time is set at the ACC/dEC.
If you set H70 to 1 {Delta frequency}, Accel/Decel time is the time that takes to reach a target freq from run
freq (Currently operating freq.).
When H70 and Accel time are set to 1 {Delta frequency} and 5 sec, respectively,
(A zone: run freq 10 Hz applied first, B zone: Operating via 10 Hz, different run freq is not issued
C: 30Hz Run freq (in this case, Target freq) issued while 10 Hz run freq is applied. But the preset accel time
5 sec is maintained. )
Run
command
Freq.
command
57 12
Time
[sec]
5 sec 5 sec
10Hz
30Hz
AB C
(Run freq.)
(Target freq.)
(Delta freq.)