Underload Protection; Underload Protection Level - ABB PST30 Installation And Commissioning Manual

1SFC132003M0201

10:26 Underload protection

Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Underload
If the motor current falls below the set level and the set time
when the motor is running at full voltage, the protection is
activated. The protection starts monitoring when full voltage
is applied to the motor.
This protection could be used to avoid for example a pump
running dry, detect a broken belt or similar.
Parameter Default value Setting range
text
Underload No

10:27 Underload protection level

Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Underload/Underl Lev
This parameter makes it possible to set the level of the
underload protection. It is active only if the underload
protection is selected.
Parameter Default value Setting range
text
Underl Lev 0.5 x I
Yes, No
0.4...0.8 x I
e e
Chapter 10
Functions
Description
Underload pro-
tection
Description
Trip level for
Underload pro-
tection
145