8-23
8-3 Vibration Suppression Parameters
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
8
Parameter Details
Refer to "6-1 Damping Control" (P.6-1) for more information on settings.
Set Damping Frequency 3 to suppress vibration at the end of the load in damping control.
Measure the frequency of vibration at the end of the load and make the setting in units of 0.1 Hz.
The range of frequency setting is 1.0 to 200.0 Hz. The function is disabled if the setting is 0 to 0.9
Hz.
Refer to "6-1 Damping Control" (P.6-1) for more information on settings.
First set the Damping Frequency 3 (Pn218). Then reduce the setting if torque saturation occurs or
increase the setting to increase operation speed. Normally, use a setting of 0.
Set value is restricted in the following manner.
Upper limit: Corresponding damping frequency
Lower limit: Damping frequency + damping filter setting ≥ 100
Refer to "6-1 Damping Control" (P.6-1) for more information on settings.
Set Damping Frequency 4 to suppress vibration at the end of the load in damping control.
Measure the frequency of vibration at the end of the load and make the setting in units of 0.1 Hz.
The range of frequency setting is 1.0 to 200.0 Hz. The function is disabled if the setting is 0 to 0.9
Hz.
Refer to "6-1 Damping Control" (P.6-1) for more information on settings.
First set the Damping Frequency 4 (Pn220). Then reduce the setting if torque saturation occurs or
increase the setting to increase operation speed. Normally, use a setting of 0.
Set value is restricted in the following manner.
Upper limit: Corresponding damping frequency
Lower limit: Damping frequency + damping filter setting ≥ 100
Refer to "6-1 Damping Control" (P.6-1) for more information on settings.
The position command filter time constant is the first-order lag filter inserted after the electronic
gear ratio for the command pulse input.
The position command filter time constant can be used for the following:
· If the command pulses change abruptly, the filter can be used to reduce the stepping
movement of the motor.
· The following are examples of when the command pulses can change abruptly:
The electronic gear ratio setting is high (10 times or higher).
The command pulse frequency is low.
Pn218
Damping Frequency 3
Setting
range
0 to 2,000 Unit 0.1 Hz
Default
setting
0
Power OFF
and ON
−
Position
Pn219
Damping Filter 3 Setting
Setting
range
0 to 1,000 Unit 0.1 Hz
Default
setting
0
Power OFF
and ON
−
Position
Pn220
Damping Frequency 4
Setting
range
0 to 2,000 Unit 0.1 Hz
Default
setting
0
Power OFF
and ON
−
Position
Pn221
Damping Filter 4 Setting
Setting
range
0 to 1,000 Unit 0.1 Hz
Default
setting
0
Power OFF
and ON
−
Position
Pn222
Position Command Filter Time Constant
Setting
range
0 to 10,000 Unit 0.1 ms
Default
setting
0
Power OFF
and ON
−
Position
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