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Def / Type
FbEq 16b / 32b
Description
Name / Range /
Selection
No.
1
T
act
= T
set
* (I
act
/ I
lim
)
Where,
T
act
=
79.81 Underload trip count down
T
set
=
I
lim
=
I
act
=
79.12 Underload supervision signal
Linear
2
T
act
= T
set
* (I
act
/ I
lim
)
2
Where,
T
act
=
79.81 Underload trip count down
T
set
=
I
lim
=
I
act
=
79.12 Underload supervision signal
Quadratic
10.00 s / real32
Defines the time used as on-delay for the underload
protection function to react to the underload condition.
Underload delay
time
79.18
1 = 1 s / 10 = 1 s
Underload delay time in seconds.
0.00 ... 30000.00 s
Warning / unit32
Defines response to the underload condition.
If the underload supervision signal stays under active
underload limit as long as set in defined delay time,
then the underload protection function triggers the
reaction defined in this parameter setting.
Underload event
reaction
79.19
0
Underload event reaction is inactive.
Not selected
1
Underload condition triggers the drive event D205
Underload warning. It will stay on as long as underload
condition is present. Warning will automatically
disappear if underload supervision signal stays above
the underload limit for the time defined in parameter
.
Warning
2
Underload condition triggers the drive event D205
Underload warning and immediate stop command.
Drive will stop according to parameter
setting.
Warning with
shutdown
3
Underload condition triggers the drive event D102
Underload fault which immediately trips the drive.
Fault
4
Underload condition triggers the underload ride
through recovery sequence. In case recovery routine
helps, motor speed returns to production speed. If not,
drive generates the event D205 Underload warning. It
will stay on as long as underload condition is present.
Warning will automatically disappear if underload
supervision signal stays above the underload limit for
the time defined in parameter
URT Recovery -
Warning
5
Underload condition triggers the underload ride
through recovery sequence. In case recovery routine
helps, motor speed returns to production speed. If not,
drive generates the
fault
which immediately trips the drive.
URT Recovery - Fault
0.00 / real32
Defines underload curve point 1 load limit active at
corresponding speed set in parameter
Underload curve
point 1
79.21
Parameters 539
Содержание ACS880 Series
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