ABB PSTX Series Installation And Commissioning Manual page 109

7.17.15 User defined protection
You can use a Programmable digital input in combination
with an external device/sensor to use your own specified
protection. An example is the CEM11-FBP ground fault
sensor.
User defined protection has these parameters:
Parameter
18.01 User defined DI status
18.02 User defined trip time
18.03 User defined out
18.04 User defined op
7.17.16 Ground fault protection
This protection senses if the absolute value of the sum of
the 3 line currents is too high, which indicates that there
is a ground fault.
Note that the currents measurement in the Softstarter is
not accurate or fast enough to protect people. The only
purpose of this function is to protect equipment.
Ground fault protection has these parameters:
Parameter
18.05 Ground fault trip time
18.06 Ground fault out
18.07 Ground fault op
7.17.17 Too long current limit protection
This protection sense if the current limit is longer in
operation than the set trip time. The starting condition is
too heavy for the set current limit.
Too long current limit protection has these
parameters:
Parameter
18.08 Too long curr lim trip time
18.09 Too long curr lim out
18.10 Too long curr lim op
Description
Sets if the signal is active high or
active low.
Sets the time to trip.
Identifies the Event groups this
protection is part of.
Sets the operation of this
protection.
Description
Sets the trip time for the ground
fault protection.
Identifies the Event groups this
protection is part of.
Sets the operation of this
protection.
Description
Sets the trip time for the too long
time at current limit protection.
Identifies the Event groups this
protection is part of.
Sets the operation of this
protection.
1SFC132081M0201 | Installation and commissioning manual | Functions
Setting range Default value
0 ... 1 1
0.0 ... 60.0 s 1.0 s
Eventgroup 0 ... 6 0000010
Off, Stop manual, Off
Stop auto, Indication.
Setting range Default value
0.1 ... 10.0 s 0.5 s
Eventgroup 0 ... 6 0000010
Off, Stop manual, Off
Stop auto, Indication.
Setting range Default value
1 ... 600 s 10 s
Eventgroup 0 ... 6 0000010
Off, Stop manual, Off
Stop auto, Indication.
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