Delta ASD-A3-0121, User Manual

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ASDA-A3 Operation Mode
Revision December, 2017
6-13
6
Note:
1. When the values of P1.026 and P1.028 are 0, it means that the frequency cannot be found, probably
because the detection level is set too high so that the low-frequency vibration is not detected.
2. When the values of P1.026 or P1.028 are greater than 0 and the vibration is not reduced, it is probably
because the detection level is set too low, and the system detects noise or other frequency as
low-frequency vibration.
3. When the auto suppression procedure completes, but the vibration persists, you can manually set
P1.025 or P1.027 to suppress the vibration if you have identified the low frequency.
Relevant parameters: please refer to Chapter 8 for detailed descriptions.
Parameter Function
P1.029 Auto low-frequency vibration suppression mode
P1.030 Low-frequency vibration detection
P1.030 sets the detection range for the magnitude of low-frequency vibration. When the
frequency is not detected, it is probably because you set the value of P1.030 too high and it
exceeds the vibration range. In this case, it is suggested that you decrease the value of P1.030.
Please note that if the value is too small, the system might detect noise as the resonance
vibration frequency. You can also use a software Scope to observe the range of position error
(pulse) between the upper and lower magnitude of the curve to adjust the value of P1.030.
Manual Setting
There are two sets of low-frequency vibration suppression: one is parameters P1.025 – P1.026
and the other is parameters P1.027 – P1.028. You can use these two sets of low-frequency
vibration suppression parameters to reduce two different frequency vibrations. Use parameters
P1.025 and P1.027 to suppress the low-frequency vibration. The function works only when the
low-frequency vibration setting is close to the real vibration frequency. Use parameters P1.026
and P1.028 to set the response after frequency filtering. The bigger the values of P1.026 and
P1.028, the better the response. However, if you set the values too high, the motor might not
operate smoothly. The default values of parameters P1.026 and P1.028 are 0, which means the
two filters are disabled by default.
Relevant parameters: please refer to Chapter 8 for detailed descriptions.
Parameter Function
P1.025 Low-frequency vibration suppression frequency (1)
P1.026 Low-frequency vibration suppression gain (1)
P1.027 Low-frequency vibration suppression frequency (2)
P1.028 Low-frequency vibration suppression gain (2)