6 Programming Features
127
Stall Prevention during Operation
Stall Prevention above Base Speed during Run (n115)
The stall prevention level can be decreased automatically in the constant
output range.
n115 Settings
Acceleration/Deceleration Time Selection during Stall Pre-
vention (n116)
With this function, Acceleration Time 2 (n021) and Deceleration Time 2
(n022) can be fixed as the acceleration/deceleration time when moving
to prevent stalling during operation.
Constant
No.
Name
Unit
Setting
Range
Factory
Setting
n115
Stall Prevention above
Base Speed during Run
-
0=Disabled
1=Enabled
0
Setting
Function
0
The stall prevention level is the level set for constant n094
in all frequency areas.
1
The following figure shows how the stall prevention level is
automatically decreased in the constant output range
(Max. frequency
>
Max. Voltage Output Frequency (n013)).
The lower limit is 40% of the set value of n094.
Constant
No.
Name
Unit
Setting
Range
Factory
Setting
n116
Acceleration/Deceleration
Time Selection during
Stall Prevention
-
0=Disabled
1=Enabled
0
Constant Output Area
Operation Level
n094
40% of n094
n013
Output Frequency
Lower Limit
n094
Max. Voltage Output Frequency n013
Operation Level
Output Frequency
