ABB PST Series Installation And Commissioning Manual page 136

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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
Stop–A
Ind
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PTC Op Stop M
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This parameter defines whether an external By-Pass
contactor is used or not. The parameter is only visual for
PST30...300.
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Ext ByPass No
The motor stops and a manual reset is
required before restart.
The motor stops and an automatic reset is
performed when the fault disappears.
The motor continues to run but a fault indi-
cation is given.
Stop–M, Stop–A,
Ind
Yes, No
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Type of opera-
tion for PTC pro-
tection
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An external
Bypass contac-
tor is used