YASKAWA LA500, Техническое руководство, Страница: 331 / 376

Parameter
Details
12
12.7 L: Protection Functions
YASKAWA SIEPYEULA5001C LA500 Technical Manual 331
the output current is less than L3-02 - 15%. When the time set in L3-27 is expired, the drive starts acceleration
again.
Figure 12.29 Stall Prevention During Acceleration Function in OLV/PM
■
L3-02: Stall Prevent Level during Accel
No.
(Hex.)
Name Description
Default
(Range)
L3-02
(0490)
Expert
Stall Prevent Level during
Accel
Sets the output current level at which the Stall Prevention function operates during acceleration
where the drive rated output current is 100%.
Determined by L8-38
(0 - 165%)
Note:
• If you use a motor that is small compared to the drive and the motor stalls, decrease the setting value.
•
When you operate the motor in the constant power range, set L3-03 [Stall Prevent Limit during Accel] .
■
L3-03: Stall Prevent Limit during Accel
The stall prevention level set in L3-02 [Stall Prevent Level during Accel] is automatically reduced when the motor
is running within the constant output range. Parameter L3-03 is the limit value used to prevent the stall prevention
level during constant output ranges to fall below the minimum required level.
Figure 12.30 Stall Prevent Level during Accel/Limit
■
L3-05: Stall Prevention during RUN
No.
(Hex.)
Name Description
Default
(Range)
L3-05
(0493)
Expert
Stall Prevention during
RUN
Sets the function to enable and disable Stall Prevention During Run.
1
(0 - 1)
Stall Prevention function during run prevents the motor from stalling by automatically reducing the speed when
an
oL1 [Motor Overload] occurs while the motor is running at constant speed.
Note:
An output frequency less than 6 Hz disables Stall Prevention during Run. The setting values of L3-05 and L3-06 [Stall Prevent Level
during Run] do not have an effect.
0 : No
V/f OLV
V/f OLV