Low-Pass Filter - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

Low-pass filter

Function
When a ball screw or the like is used, resonance of high frequency may occur as the response level of the servo system is
increased. To prevent this, the low-pass filter is enabled for a torque command as a default. The filter frequency of the low-
pass filter is automatically adjusted to the value in the following equation.
Filter frequency ([rad/s]) =
However, when an automatically adjusted value is smaller than VG2, the filter frequency will be the VG2 value.
To set [Pr. PB18] manually, select "Manual setting (_ _ 1 _)" of "Low-pass filter selection" in [Pr. PB23].
Parameter
Set "Low-pass filter selection" in [Pr. PB23].
[Pr. PB23]
0 0 0
Low-pass filter selection
0: Automatic setting
1: Manual setting
2: Disabled
VG2
× 10
1 + GD2
7 SPECIAL ADJUSTMENT FUNCTIONS
7.1 Filter setting
7
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