Machine Protection; Preventing Motor Stalling During Operation - Omron VARISPEED E7 User Manual

Machine Protection

Preventing Motor Stalling During Operation

Stall prevention during operation prevents the motor from stalling by automatically lowering the Inverter's
output frequency when a transient overload occurs while the motor is operating at a constant speed.
If the Inverter output current continues to exceed the setting in parameter L3-06 for 100 ms or longer, the
motor speed is reduced. Set whether to enable or disable the stall prevention using parameter L3-05. Set the
according deceleration times using C1-02 (Deceleration time 1) or C1-04 (Deceleration Time 2).
If the Inverter output current reaches the set value in L3-06 – 2%, the motor will accelerate again to the set fre-
quency.
Related Parameters
Parameter
Number
Stall prevention selection during running function
L3-05
selection
L3-06 Stall prevention level during running
Name

Machine Protection

Change
Setting Factory
during
Range Setting
Operation
0 to 2 1 No
30 to 200 120% No
Access
Level
A
A
6-29