Yaskawa Sigma-5 Large Capacity Users Manual: Design and Maintenance-Rotary Motors-Analog Voltage and Pulse Train Reference - Manual (Page 285)

6 Adjustments
6.9.6 Torque Reference Filter
6-74
Pn40E
2nd Notch Filter Depth
Classification
Setting Range Setting Unit Factory Setting When Enabled
0 to 1000 0.001 0 Immediately Tuning
• Sufficient precautions must be taken when setting the notch filter frequencies. Do not
set the notch filter frequencies (Pn409 or Pn40C) that is close to the speed loop’s
response frequency. Set the frequencies at least four times higher than the speed
loop’s response frequency. Setting the notch filter frequency too close to the response
frequency may cause vibration and damage the machine.
• Change the notch filter frequencies (Pn409 or Pn40C) only when the servomotor is
stopped. Vibration may occur if the notch filter frequency is changed when the servo-
motor is rotating.
(cont’d)
Speed Position Torque