Vacon 100 - Page 159

Table 66: Motor underload protection settings
Index Parameter Min Max Unit Default ID Description
P3.9.4.1 Underload Fault 0 3 0 713
0 = No action
1 = Alarm
2 = Fault (Stop
according to stop
mode)
3 = Fault (Stop by
coasting)
P3.9.4.2
Underload
Protection: Field
Weakening Area
Load
10.0 150.0 % 50.0 714
Gives the value for the
minimum torque thats
is possible when the
output frequency is
bigger than the field
weakening point.
P3.9.4.3
Underload
Protection: Zero
Frequency Load
5.0 150.0 % 10.0 715
Gives the value for the
minimum torque that is
possible with zero
frequency. If you
change the value of
parameter P3.1.1.4,
this parameter is
automatically restored
to the default value.
P3.9.4.4
Underload
Protection: Time
Limit
2.00 600.00 s 20.00 716
This is the maximum
time for an underload
state.
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