ABB ACS880 Firmware Manual page 258

258 Parameters
No. Name/Value
29.21 DC voltage
integration time
0.0000 ...
60.0000 s
29.25 DC capacitance
source
Copy from
database
User value
29.26 Used DC
capacitance
0.000 ...
1000.000 mF
29.70 Speed data point 1
29.77
29.75
29.79
29.73
29.71
0
0.00 ...
30000.00 rpm
29.71 Torque data point 1
0.0 ... 1600.0%
29.72 Speed data point 2
0.00 ...
30000.00 rpm
29.73 Torque data point 2
0.0 ... 1600.0%
29.74 Speed data point 3
0.00 ...
30000.00 rpm
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Description
Defines the integration time for the DC voltage reference PI
controller.
Setting the integration time to zero disables the I-part of the
controller.
Integration time.
Selects the source of the total DC circuit capacitance value.
The value is used in DC voltage reference calculation.
DC capacitance value is taken from an internal database
according to drive type.
The DC capacitance value is read from parameter
DC capacitance.
Defines the DC circuit capacitance when parameter
capacitance source is set to
User-specified DC capacitance.
Parameters 29.70...29.79
curve as a function of speed. The limit is applied before the
reference is forwarded to the torque controller.
This parameter defines the speed at the first point of the
curve. The curve is linear between 0 rpm and this speed.
Torque (%)
0 29.70 29.72 29.74
Speed at 1st point of curve.
Defines the maximum torque at the first point of the limitation
curve.
Maximum torque at 1st point of curve.
Defines the speed at the second point of the curve.
Speed at 2nd point of curve.
Defines the maximum torque at the second point of the
limitation curve.
Maximum torque at 2nd point of curve.
Defines the speed at the third point of the curve.
Speed at 3rd point of curve.
29.26 Used
29.25 DC
User value.
define a maximum torque limitation
29.76 29.78
Def/FbEq16
0.1646 s
10000 = 1 s
Copy from
database
0
1
-
100 = 1 mF
400.00 rpm
Speed (rpm)
1 = 1 rpm
300.0%
1 = 1%
800.00 rpm
1 = 1 rpm
300.0%
1 = 1%
1200.00 rpm
1 = 1 rpm