Low Frequency Vibration Suppression - Siemens SINAMICS V90 Operating Manual

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● Speed loop PI/P switching
Five switching modes in total are available for PI/P switching:
– using torque setpoint
– using an external digital input signal (G-CHANGE)
– using speed setpoint
– using acceleration setpoint
– using pulse deviation
If you select either of the PI/P switching modes (except the second mode), you need to
set the conditional threshold as shown in the above screenshot.
Note
PI/P switching
This function is not available in T mode and responds with a delay of several
milliseconds.
4.4.3.4

Low frequency vibration suppression

Low frequency vibration suppression is a position setpoint filter function. It can suppress the
vibration frequency within 0.5 Hz to 62.5 Hz.
This function is only available in IPos and EPOS control modes.
Parameter settings
To use the vibration suppression function, you need to configure the following parameters
accordingly:
Parameter Value range Default
p29035
p31581
p31585
p31586
120
value
0 to 1 0
0 to 1 0
0.5 to 62.5 1
0 to 0.99 0.03
Unit Description
- Vibration suppression activation
= 0: disable
= 1: enable
- Vibration suppression filter type
= 0: rugged
= 1: sensitive
Hz Vibration suppression filter frequency
- Vibration suppression filter damping
Operating Manual, 04/2017, A5E36618042-003
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