Ptc Protection, Type Of Operation; External By-Pass - ABB PST Installation And Maintenance Manual

136
AC 1006.9 - 5/03
Chapter 10 - Functions

10:34 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 when the protection is activated. It is active only if the PTC
protection is selected.
Stop– M
Stop– A
Ind
Parameter
text
PTC Op
10:35 External bypass
Path in menu:
Menu/SETTINGS/Functional Settings/
Start/Stop/Ext ByPass
This parameter defines whether an external bypass contactor is used
or not. The parameter is only visible for PST30...300.
Parameter
text
Ext ByPass
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
indication is given.
Default Setting
value range
Stop-M,
Stop M
Stop-A, Ind
Default Setting
value range
No Yes, No
Description
Type of
operation for
PTC
protection
Description
An external
bypass
contactor is
used
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