6 - 3
6 Applied Functions
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
6-1 Damping Control
6
6-1-1 Outline of the Function
6-1 Damping Control
If the tip of the mechanical unit vibrates, you can use the damping control function to reduce vibration.
This is effective on vibration generated by a low-rigidity machine. The applicable frequencies are from 1
to 200 Hz.
Since the damping control is performed using the position command, it cannot be used with the speed
control.
6-1-1 Outline of the Function
6-1-2 Parameters Requiring Settings
Parameter
No.
Name Description Reference
Pn001 Control Mode Selection Set to the position control mode.
0: Position control
3: Control mode 1 of position/speed control
P. 7- 3
Pn213 Damping Filter Selection Select the damping filter selection mode according to the
condition of the unit.
0: Damping filters 1 and 2 enabled
1: Switching via external input (DFSEL1)
2: Switching via external input (DFSEL1, DFSEL2)
3: Switching based on the command direction
P. 7 - 2 2
Pn214 Damping Frequency 1 Set Damping Frequency 1 to suppress vibration at the end
of the load in damping control.
If the damping control function is not used, set the damping
frequency to 0.
P. 7 - 2 2
Pn215 Damping Filter 1 Setting When Damping Frequency 1 (Pn214) is set, reduce this
setting if torque saturation occurs or increase this setting to
improve the operation speed. Normally 0 is set.
If Damping Filter 1 is disabled, this parameter is also
disabled.
P. 7 - 2 2
Pn216 Damping Frequency 2 The function is the same as Pn214. P.7-22
Pn217 Damping Filter 2 Setting The function is the same as Pn215. P.7-23
Pn218 Damping Frequency 3 The function is the same as Pn214. P.7-23
Pn219 Damping Filter 3 Setting The function is the same as Pn215. P.7-23
Pn220 Damping Frequency 4 The function is the same as Pn214. P.7-23
Pn221 Damping Filter 4 Setting The function is the same as Pn215. P.7-23
Position Controller Servo Drive
The end vibrates.
The damping frequency
changes based on the position.
Movement
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