
Softstarters Type PSE18...PSE370 Installation and commissioning manual 1SFC132057M0201
69
Chapter 7
Figure 7.25: Locked Rotor Protection param-
eter displayed
7.5.11
Locked Rotor
Protection
This protection will when activated trip if the motor current exceeds the set level
when the motor is running at full voltage. The Locked Rotor Protection parameter
will be activated when the motor has been running at full voltage (Top of Ramp) for
30 seconds. The reaction time for tripping is 1 second.
Display
Default
value
Setting
range
Description
OFF
OFF, 0.5 - 7
x Ie
Level of protection for locked
rotor
HAnd
HAnd/Auto
Type of operation for reset of
Locked Rotor Protection
1
1. HAnd = Manual reset:
_
When tripping will stop the motor, a manual reset is
required before restart can be done.
Auto = Automatic reset:
_
When tripping will stop the motor, an automatic reset is
performed before the unit is ready for restart.
Figure 7.26: Type of operation for reset of
Locked Rotor Protection fault parameter
displayed