ABB PST72 Installation And Commissioning Manual

Functions
Chapter 10
145
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.
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
text
Default value Setting range Description
Underload No Yes, No Underload pro-
tection
Parameter
text
Default value Setting range Description
Underl Lev 0.5 x I
e
0.4...0.8 x I
e
Trip level for
Underload pro-
tection

ABB PST72 Specifications

General

Brand	ABB
Model	PST72
Category	Controller
Language	English