PT2 filter

Frequency response

The PT2 filter has the transmission behavior of a delay element of the second order. Contrary to the other axis filters, it is parameterized by specification of a time constant (see P-AXIS-00357). No filter prototype needs to be specified for this filter type

PT2 filter 1:
Figure 1- 9: Amplitude response of the PT1 filter depending on the filter time constant
PT2 filter 2:
Figure 1- 10 : Step response of the PT2 filter depending on the filter time constant P-AXIS-00357