LiteOn EVO 6800 Series, Руководство пользователя, Страница: 176 / 261

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deceleration times. This function can be set separately for acceleration, operating at constant
speeds, and deceleration.

P3- 00 Stall Prevention during Acceleration
Sets the method to prevent the motor being stopped by oC(Overcurrent), oL1 (Motor
Overload) or oL2 (Drive Overload) fault.
No. Name Setting Range Default
P3-00 Stall Prevention during Acceleration 0 to 1 1
0 : Disabled
The Stall Prevention function is not provided during acceleration. If the acceleration time is too
short, the motor might not be able to be accelerated causing an overload fault and stop.
1 : Enabled
The Stall Prevention is enabled during acceleration. The operation is determined by the
selected control method.
·
V/F Control / Open-Loop Vector Control
Acceleration stops when the output current exceeds the value set in P3-01. Acceleration
continues when the output current drops 15% below the value set in P3-01. The Stall
Prevention level is automatically decreased in the constant power range. Refer to P3-02 (Stall
Prevention Limit during Acceleration) for details..
Output current
Time
Time
Output
frequency
Stall Prevention level
during acceleration
P3-01
85% of P3-01
P3-16
Stall Prevention
Detection Time
Controls the output frequency to
prevent the motor from stalling
P3-16
Stall Prevention
Detection Time
Figure 6.78 Stall Prevention during Acceleration for IM motors
· PM Open-Loop Vector Control