5. Parameters 5-23
5.5.2 Speed search
5.5.2.1 Controlling the speed search operation: S1.01
Parameter
No.
Name Unit
Setting
range
Factory
Setting
Changeable
during operation
S1.01
Speed
Search at
Start
- 0~1 0 X
• S1.01 finds the speed of a rotating motor and runs up smoothly from
the searched speed.
• This function is useful when the smooth operation is required in case
of momentary power loss.
• Setting
Setting
constant
Function
0
Disables speed search operation:
Motor starts from minimum output frequency.
1
Enables speed search operation:
Speed search is performed from command frequency.
Speed search is done every time the run command is input.
5.5.2.2 Speed search level, current, and deceleration time
Parameter
No.
Name Unit
Setting
range
Factory
Setting
Changeable
during
operation
S1.02
Speed Search
Start Frequency
0.01Hz
0.00
~600.00
0.00 X
S1.03
Speed Search
Current
1% 0~200 100 X
S1.04
Speed Search
Deceleration
Time
0.1sec 0~10.0 2.0 X
• S1.02 is used to set the frequency where the speed search is started
• S1.03 sets the operating current for the speed search.
Lower the setting if restarting is not possible.
Setting unit is the percentage of inverter’s rated output current.
5-24 MOSCON-E7 User’s Manual
• S1.04 sets the output frequency deceleration time during the speed
search operation.
Figure 5.9 Speed search timing chart
Run command
S1.02
Output frequenc
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