2 Parameters
2.2 List of parameters
SINAMICS G120D
398
List Manual (LH14), 01/2016, A5E33842313
Description:
Setting to activate and de-activate the friction characteristic.
Value:
0:
Friction characteristic de-activated
1:
Friction characteristic activated
Dependency:
Refer to: r3841, p3845
Description:
Sets the smoothing time constant (PT1) for the friction torque difference.
Smoothing is activated when switching over from status bit r3840.9.
Dependency:
Refer to: p3844
Description:
Selects the upper changeover point of the friction characteristic for the frictional torque input controlled by the motor
model of the induction motor.
The speed of this changeover point is pre-assigned when automatically calculating with the changeover speed
p1752. The changeover point located below is pre-assigned with the changeover speed p1752 * (1 - p1753).
Example: p3844 = 3 means that the speed value for the change to the monitor model (p3823 = p1752) is entered into
p3823 (friction characteristic value n3).
Depending on the display of r3840.9, the frictional torque is calculated from the friction characteristic values, which
are associated with these changeover points. For the changeover of the motor model, with hysteresis, the frictional
torque smoothed with p3843 changes between these two states.
Dependency:
As part of the automatic calculation (p0340), p3844 is only activated for closed loop control (p1300 = 21, 23) of
induction motors with encoder.
Refer to: p3843
Notice:
If the changeover point defined using p3844 does not match the changeover speed p1752, then internally, the model-
controlled friction torque input is automatically de-activated (same as for p3844 = 0).
Note:
For p3844 = 0, the model-controlled frictional torque changeover is de-activated. The frictional torque is then
calculated the same as for the encoderless control by interpolating between the points along the friction
characteristic.
Description:
Setting for the friction characteristic record.
After the next switch-on command, the friction characteristic is automatically recorded.
p3842
Friction characteristic activation / Frict act
Access level:
2
Calculated:
-
Data type:
Integer16
Can be changed:
T
Scaling:
-
Dyn. index:
-
Unit group:
-
Unit selection:
-
Func. diagram:
7010
Min Max
Factory
setting
0 1 0
p3843[0...n]
Friction characteristic frictional torque diff. smoothing time / Frict M_diff t_sm
Access level:
4
Calculated:
-
Data type:
FloatingPoint32
Can be changed:
U, T
Scaling:
-
Dyn. index:
DDS, p0180
Unit group:
-
Unit selection:
-
Func. diagram:
-
Min Max
Factory
setting
0.00 [ms]
10000.00 [ms]
0.00 [ms]
p3844[0...n]
Friction characteristic number changeover point upper / FricNo chng_pt up
Access level:
4
Calculated:
-
Data type:
Unsigned8
Can be changed:
U, T
Scaling:
-
Dyn. index:
DDS, p0180
Unit group:
-
Unit selection:
-
Func. diagram:
-
Min Max
Factory
setting
0 4 0
p3845
Friction characteristic record activation / Frict rec act
Access level:
2
Calculated:
-
Data type:
Integer16
Can be changed:
T
Scaling:
-
Dyn. index:
-
Unit group:
-
Unit selection:
-
Func. diagram:
7010
Min Max
Factory
setting
0 3 0
Содержание SINAMICS G120D CU240D-2 DP
Страница 1: ...s SINAMICS SINAMICS G120D Control Units CU240D 2 CU250D 2 List Manual 01 2016 Edition ...
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Страница 954: ...4 Faults and alarms 4 2 List of faults and alarms SINAMICS G120D 954 List Manual LH14 01 2016 A5E33842313 ...
Страница 978: ...Index SINAMICS G120D 978 List Manual LH14 01 2016 A5E33842313 ...
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