Chapter 6 - Parameter Description [FU1]
97
☞ Note: The set value is the percentage of FU2-33 [Rated
Motor Current].
[Overload Trip Operation]
FU1-59: Stall Prevention Mode Selection (Bit set)
FU1-60: Stall Prevention Level
This bit set parameter follows the conventions used in
I/O-15 and I/O-16 to show the ON (bit set) status.
This function is used to prevent the motor from stalling
by reducing the inverter output frequency until the motor
current decreases below the stall prevention level. This
function can be selected for each mode of acceleration,
steady speed, and deceleration via bit combination.
☞ Note: The set value is the percentage of FU2-33 [Rated
Motor Current].
FU1-59 [Stall Prevention Mode Selection]
Setting Range
3
rd
bit
Description
0 0 1 001
Stall Prevention during
Acceleration
0 1 0 010
Stall Prevention during Steady
Speed
1 0 0 100
Stall Prevention during
Deceleration
When FU1-59 is set to ‘111’, stall prevention works during
accelerating, steady speed and decelerating.
☞ Note: The acceleration and deceleration time may take
longer than the time set in DRV-01, DRV-02 when Stall
Prevention is selected.
☞ Note: If stall prevention status persists, inverter may stop
during acceleration.
[Stall Prevention during Acceleration]
[Stall Prevention during Steady Speed]
Output Current
Time
[OLT Level]
Output Frequency
Related Functions: FU2-33 [Rated Motor Current]
FU1
?
Stall prev.
Factory Default: 180 % 180
Related Functions: FU2-33 [Rated Motor Current]
Output Current
Time
[Stall Level]
Output Current
Time
[Stall Level]
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