Siemens SINAMICS S120 Function Manual page 104

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4.6 Current setpoint filter

9. The activated current setpoint filters must then be subsequently parameterized.

For each activated current setpoint filter, parameterize the following values:

– Denominator natural frequency

– Denominator damping

– Numerator damping

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.

The set parameter values of the current setpoint filters 5 to 10 are lost if you deactivate

the extended current setpoint filters again in the Properties dialog.

10.Make the setting p1699 = 0 to start calculating the filter data.

11.Then save the modified project settings.

Parameterization example

Four current setpoint filters connected in series can be parameterized as follows, for

● Lowpass 2nd order (PT2: -40 dB/decade) (type 1)

● General filter 2nd order (type 2)

● Low-pass with reduction by a constant value

Bandstop and low-pass with reduction are converted into the parameters of the general

2nd order filter via the STARTER commissioning tool.

Current setpoint filter

Setting in the parameter area

p1657 to p1676

p5201 to p5230

Function Manual, 11/2017, 6SL3097-4AB00-0BP5

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