ID 70423

Stability reserve of designed filter not sufficient.

Description

It is not possible to design a stable filter for all filter parameters, e.g. due to the limited calculation accuracy.

Response

Class

7

Filter is deactivated

Solution

Class

6

Possible solutions:

• Vary the filter time constant P-AXIS-00438 of the PT2 filter.
• Change the cycle time of the controller

Parameter

%1:

Logical axis number [-]

Logical axis number P-AXIS-00016 of concerned axis

%2:

Current value [-]

Number of concerned filter

%3:

Current value [-]

Type of filter (see axis filter FCT-A7)

%4:

Current value [-]

Order of the filter (see axis filter FCT-A7)

%5:

Current value [-]

Time constant of the PT2 filter (see P-AXIS-00438)

Error type

-