Siemens SINAMICS S120 - Current Setpoint Filter

Vector control
5.10 Current setpoint filter
Drive functions
244 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
5.10
Current setpoint filter
You can parameterize the two current setpoint filters 1 and 2 connected in series as follows:
● 2nd order lowpass (PT2: -40 dB/decade)
● Bandstop
● Low-pass with reduction
● General filter 2nd order
Bandstop and low-pass with reduction are converted into the parameters of the general 2nd
order filter via the STARTER commissioning tool. The phase frequency curve is shown
alongside the amplitude log frequency curve. A phase shift results in a control system delay
and should be kept to a minimum.
You activate the current setpoint filters with p1656[0...n].0 = 1 and p1656[0...n].1 = 1. You
set the current setpoint parameters with p1657 to p1666.
As long as the parameter setting p1699 = 1 is active, the background calculation of the filter
data is not performed, even when filter parameters are changed. Only with parameter setting
p1699 = 0, is the calculation performed.
Examples for the current setpoint filter can be found in the description of the servo control in
Section "Current setpoint filter (Page 103)".
Function diagrams (see SINAMICS S120/S150 List Manual)
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6710
Vector control
- Current setpoint filter