9 motor model – Siemens 440 User Manual
Page 183

Issue 01/06
Parameter Description
MICROMASTER 440 Parameter List
6SE6400-5BB00-0BP0
183
r1725
CO: Integral limit of Isd ctrl.
Min: -
Datatype: Float Unit:
V
Def:
-
P-Group: CONTROL
Max: -
Displays limit of integral output voltage setpoint of Isd current controller.
r1728 CO:
Decoupling
voltage
Min: -
Datatype: Float Unit:
V
Def:
-
P-Group: CONTROL
Max: -
Displays actual output voltage setpoint of cross channel decoupling.
P1740
Gain for oscillation damping
Min: 0.000
CStat:
CUT
Datatype: Float Unit:
-
Def:
0.000
P-Group: CONTROL
Active: Immediately
QuickComm.: No
Max: 10.000
Sets the controller gain to dampen oscillations in the sensorless vector control (SLVC) at low frequencies
(open-loop).
P1740
T
1740
P
f
i
sq
-
res damping
Dependency:
Siehe P1750, P1755, P1756
P1745[3]
Variance flux error
Min: 0.0
CStat:
CUT
Datatype: Float Unit:
%
Def:
5.0
P-Group: CONTROL
Active: Immediately
QuickComm.: No
Max: 1000.0
Allowed variance error between flux setpoint and measured flux.
Index:
P1745[0] : 1st. Drive data set (DDS)
P1745[1] : 2nd. Drive data set (DDS)
P1745[2] : 3rd. Drive data set (DDS)
r1746
CO: Variance flux error
Min: -
Datatype: Float Unit:
%
Def:
-
P-Group: CONTROL
Max: -
Variance error between flux setpoint and measured flux.
3.29.2.9 Motor
model
P1750[3]
Control word of motor model
Min: 0
CStat:
CUT
Datatype: U16 Unit:
-
Def:
0
P-Group: CONTROL
Active: first confirm
QuickComm.: No
Max: 3
Control word of motor model. This parameter controls the operation of the sensorless vector control (SLVC)
at very low frequencies. This therefore includes the following conditions:
-
Operation directly after an ON command
- zero
crossing.
f
t
P1755
Closed loop
Open loop
Start
f
t
Closed loop
Open loop
Zero crossing
P1755
P1755
Level
4
Level
4
Level
3
Level
3
Level
3
Level
3