Siemens SINAMICS V90 - Page 89

Getting Started
A5E37208904-003, 04/2017
89
Par. No.
Name
Min
Max
Factory
Setting
Unit
Data
type
Effective
Can be
changed
p1422 Speed setpoint filter 2
time constant
0.00 5000.00 0.00 ms Float IM T, U
Description: Sets the time constant for the speed setpoint filter 2 (PT1).
Dependency:
Refer to p1414, p1421
Note: This parameter is only effective if the speed filter is set as a PT1 low pass.
p1423 Speed setpoint filter 2
denominator natural fre-
quency
0.5 16000.0 1999.0 Hz Float IM T, U
Description: Sets the denominator natural frequency for speed setpoint filter 2 (PT2, general filter).
Dependency: Refer to p1414, p1421
Note:
This parameter is only effective if the speed filter is parameterized as a PT2 low pass or as general
filter.
The filter is only effective if the natural frequency is less than half of the sampling frequency.
p1424 Speed setpoint filter 2
denominator damping
0.001 10.000 0.700 - Float IM T, U
Description: Sets the denominator damping for speed setpoint filter 2 (PT2, general filter).
Dependency: Refer to p1414, p1421
Note:
This parameter is only effective if the speed filter is parameterized as a PT2 low pass or as general
filter.
p1425 Speed setpoint filter 2
numerator natural fre-
quency
0.5 16000.0 1999.0 Hz Float IM T, U
Description: Sets the numerator natural frequency for speed setpoint filter 2 (general filter).
Dependency: Refer to p1414, p1421
Note:
This parameter is only effective if the speed filter is set as a general filter.
The filter is only effective if the natural frequency is less than half of the sampling frequency.
p1426 Speed setpoint filter 2
numerator damping
0.000 10.000 0.700 - Float IM T, U
Description: Sets the numerator damping for speed setpoint filter 2 (general filter).
Dependency: Refer to p1414, p1421
Note: This parameter is only effective if the speed filter is set as a general filter.
p1441 Actual speed smoothing
time
0.00 50.00 0.00 ms Float IM T, U
Description: Sets the smoothing time constant (PT1) for the speed actual value.
Note:
The speed actual value should be smoothed for increment encoders with a low pulse number.
After this parameter has been changed, we recommend that the speed controller is adapted and/or the speed
controller settings checked Kp (p29120) and Tn (p29121).
p1520 * Torque limit upper -1000000.00 20000000.0
0
0.00 Nm Float IM T, U
Description: Sets the fixed upper torque limit.
Danger:
Negative values when setting the upper torque limit (p1520 < 0) can result in the motor accelerating
in an uncontrollable fashion.
Notice:
The maximum value depends on the maximum torque of the connected motor.
p1521 *
Torque limit lower
-20000000.00
1000000.00
0.00
Nm
Float
IM
T, U
Description: Sets the fixed lower torque limit.
Danger:
Positive values when setting the lower torque limit (p1521 > 0) can result in the motor accelerating in
an uncontrollable fashion.
Notice: The maximum value depends on the maximum torque of the connected motor.