Ptc Protection, Type Of Operation; External By-Pass - ABB PST30 Installation And Commissioning Manual

1SFC132003M0201

10:38 PTC protection, type of operation

Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/PTC/PTC Op
This parameter makes it possible to select between three
different actions of the softstarter when the protection is
activated. It is active only if the PTC protection is selected.
Stop–M The motor stops and a manual reset is required
before restart.
Stop–A The motor stops and an automatic reset is
performed when the fault disappears.
Ind The motor continues to run but a fault indication
is given.
Parameter Default value Setting range
text
PTC Op Stop M

10:39 External by-pass

Path in menu:
Menu/SETTINGS/Functional Settings/
Start/Stop/Ext ByPass
This parameter defines whether an external By-Pass
contactor is used or not.
If an external By-pass contactor is used, an output relay
should be configured as TOR and be connected to the
contactor. The by-pass contactor is then activated when the
voltage reaches 100% and the current has been below 1.2 x I
continuously for 1 s or after a 3 s timeout.
Parameter Default value Setting range
text
Ext ByPass No
Description
Stop–M, Stop–A, Type of opera-
Ind tion for PTC pro-
tection
Description
Yes, No An external
Bypass contac-
tor is used
Chapter 10
Functions
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151