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Control Mode

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ASDA-A3

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6.2.9 Low-frequency vibration suppression in Position mode

If the machine is too flexible, vibration persists even when the motor stops after the positioning

command is complete. The low-frequency vibration suppression function can reduce the

machine vibration. The suppression range is between 1.0 Hz and 100.0 Hz. You can use this

function with either auto or manual setting.

Auto settings

If you have difficulty finding the frequency, you can enable the auto low-frequency vibration

suppression function, which automatically searches for the vibration frequency.

When you set P1.029 to 1, the system disables the auto low-frequency vibration suppression

function automatically (by setting P1.026 and P1.028 to 0) and starts to search for the vibration

frequency. When the detected frequency remains at the same level, the system automatically

changes the settings as follows.

1. Sets P1.029 to 0.

2. Sets P1.025 to the first frequency and sets P1.026 to 1.

3. Sets P1.027 to the second frequency and sets P1.028 to 1.

When P1.029 is automatically reset to 0, but the low-frequency vibration persists, check if

P1.026 or P1.028 is set to 1. If either P1.026 or P1.028 is 1, increase the setting of P1.030

(Low-frequency vibration detection). If the values of P1.026 and P1.028 are both 0, it means no

frequency is detected. In this case, lower the value of P1.030 and set P1.029 to 1 to search for

the vibration frequency again. Note that when you set the detection level too low, noise might be

detected as low-frequency vibration.

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