12.8 L: PROTECTION
650 SIEPCYEUOQ2V01A Q2V Technical Manual
0 : Disabled
1 : Enabled
■ L3-05: StallP@RUN Enable
No.
(Hex.)
Name Description
Default
(Range)
L3-05
(0493)
StallP@RUN Enable
Enables Stall Prevention during Run.
Determined by A1-02
(0 - Determined by A1-02)
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 [StallP Level@Run]
do not have an effect.
0 : Disabled
1 : Enabled
■ L3-06: StallP Level@Run
No.
(Hex.)
Name Description
Default
(Range)
L3-06
(0494)
StallP Level@Run
Sets the output current level at which the Stall Prevention function is enabled during run when the
drive rated output current is 100%.
Determined by C6-01 and
L8-38
(5 - 150%)
Note:
• This parameter is applicable when L3-05 = 1 [StallP@RUN Enable = Enabled] and L3-51 = 0, 1 [StallP@RUNDecTime = Dec Time 1
(C1-02), Dec Time 2 (C1-04)].
• When L3-23 = 2 [CHP Stall P Selection = Automatic Reduction], the drive will automatically decrease the level in the constant power
range.
Use an Analog Input to Change the Stall Prevent Level during Run
When H3-xx = 14 [MFAI Function Select = StallPLev@Rn], you can use the input gain and bias settings for
terminals AI1 and AI2 to change the stall prevention level during run.
If you set the input level for terminals AI1 and AI2 [H3-xx = 14] and L3-06, the drive will use the smaller value
for Stall Prevent Level during Run.
Figure 12.120 Stall Prevention Level during Run with Analog Input
■ L3-11: Overvolt Supression Select
No.
(Hex.)
Name Description
Default
(Range)
L3-11
(04C7)
Overvolt Supression Select
Sets the overvoltage suppression function.
0
(0, 1)
0 : Disabled
The drive does not adjust the regenerative torque limit or the output frequency. If you apply a regenerative load,
the drive can detect an ov [Overvoltage] fault. Use this setting with a dynamic braking option.
1 : Enabled
When a regenerative load increases the DC bus voltage, the drive decreases the regenerative torque limit and
increases the output frequency to prevent ov
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