ABB PSTX Series Installation And Commissioning Manual page 120

Open circuit thyristor fault
7.19.1.3
The Softstarter cannot close 1 or more thyristors.
INFORMATION
If Automatic restart is set to on, an open circuit
thyristor fault will automatically start the motor
again.
For more information about Automatic restart see chapter
7.13 Automatic restart.
Open circuit thyristor fault has these parameters:
Parameter
25.05 Open circuit thyr out
25.06 Open circuit thyr op
Thyristor overload fault
7.19.1.4
The thyristors in the Softstarter are overloaded.
If the estimated thyristor junction temperature is higher
than the maximum permitted value, this fault is signaled,
to protect thyristors from overheating.
7
INFORMATION
If Automatic restart is set to on, a thyristor
overload fault will automatically start the motor
again.
For more information about Automatic restart see
chapter 7.13 Automatic restart.
Thyristor overload fault has these parameters:
Parameter
25.07 Thyristor OL out
25.08 Thyristor OL op
Heatsink overtemperature fault
7.19.1.5
The Softstarter measures the heatsink temperature. If
the temperature gets to high this fault is signaled. The
purpose of the heatsink is to keep the thyristors cool.
Heatsink overtemperature fault has these
parameters:
Parameter
25.09 Heatsink overtemp out
25.10 Heatsink overtemp op
120 Functions | Installation and commissioning manual |
Description
Identifies the Event groups this
fault is part of.
Sets the operation of this fault.
Description
Identifies the Event groups this
fault is part of.
Sets the operation of this fault.
Description
Identifies the Event groups this
fault is part of.
Sets the operation of this fault.
1SFC132081M0201
Setting range Default value
Eventgroup 0 ... 6 0000001
Stop manual, Stop Stop manual
auto
Setting range Default value
Eventgroup 0 ... 6 0000001
Stop manual, Stop Stop manual
auto
Setting range Default value
Eventgroup 0 ... 6 0000001
Stop manual, Stop Stop manual
auto