Siemens Model 240 Service Manual Page 232

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Parameters
List of Parameters
1-232
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Description: Displays the difference between the motor model flux angle and the transformation angle.
Dependency: A setting for smoothing the display can be made using p1754.
Description: Sets the configuration for the adaptation circuit of the motor model.
Induction motor (ASM): Rs, Lh, and offset compensation.
Permanent magnet synchronous motor (PEM): kT
Note: ASM: Induction motor
PEM: Permanent magnet synchronous motor
When selecting the compensation of the valve interlocking via Rs (bit 7), the compensation in the gating unit is de-
activated and is instead taken into account in the motor model.
In order that the correction values of the Rs, Lh and kT adaptation (selected using Bit 0 ... Bit 2) are correctly
accepted when changing over the drive data set, a dedicated motor number must be entered into p0826 for each
different motor.
Description: Sets the scaling for model fault feedback.
Note: Feeding back the measured model fault to the model states increases the control stability and makes the motor
model rugged against parameter errors.
The model feedback is only effective for encoderless operation of the ASM.
When feedback is selected (p1784 > 0), Lh adaptation is not effective.
Description: Sets the proportional gain for the Lh adaptation of the motor model for an induction motor (ASM).
r1778 Motor model flux angle difference / MotMod ang. diff.
Access level: 4 Calculated: - Data type: FloatingPoint32
Can be changed: - Scaling: p2005 Data set: -
Units group: - Unit selection: -
Min Max Factory setting
- [°] - [°] - [°]
p1780[0...n] Motor model adaptation configuration / MotMod adapt conf
Access level: 4 Calculated: - Data type: Unsigned16
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
- - 0101 1100 bin
Bit field: Bit Signal name 1 signal 0 signal FP
01 Select motor model ASM Rs adaptation Yes No -
02 Select motor model ASM Lh adaptation Yes No -
03 Select motor model PEM kT adaptation Yes No -
04 Select motor model offset adaptation Yes No -
06 Select pole position identification PEM
encoderless
Yes No -
07 Select T(valve) with Rs adaptation Yes No -
p1784[0...n] Motor model feedback scaling / Mod_FB_scal
Access level: 3 Calculated: p0340 = 1,3,4 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
0.0 [%] 1000.0 [%] 0.0 [%]
p1785[0...n] Motor model Lh adaptation Kp / MotMod Lh Kp
Access level: 4 Calculated: p0340 = 1,3,4 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
0.000 10.000 0.100
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