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ASDA-A3

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Tuning

5.5.9 Parameters related to gain adjustment modes

5.5.9.1 Bandwidth response level (P2.031) - stiffness adjustment

This parameter enables you to tune the servo drive in a simple and instinctive way. When the

inertia (weight) is fixed and you increase the bandwidth response level (P2.031), the servo’s

bandwidth increases as well. If resonance occurs, decrease the setting value of P2.031 by one

or two bandwidth response levels (you should adjust the bandwidth response level according to

the actual situation). For instance, if the value of P2.031 is 30, you can lower the setting to 28.

When you adjust the value of this parameter, the servo drive automatically adjusts the

corresponding gain parameters, such as P2.000 and P2.004.

Note: enabling the bandwidth response level reversion function (P2.125 [Bit 3]) is recommended when you

are adjusting the bandwidth response level (P2.031).

Servo

bandwidth

Increase the bandwidth

response level

5

84 Hz

26 Hz

5

Load inertia ratio

or total weight

(P1.037)

Bandwidth response level reversion (P2.125 [Bit 3])

When the bandwidth response level reversion function is enabled (P2.125 [Bit 3] = 1), the servo

automatically sets the upper limit for the setting value of P2.031 to reduce hazards caused by

resonance.

When the bandwidth response level reversion function is enabled, resonance caused by

increasing P2.031 can be suppressed with the Notch filter. When any of the 5 sets of Notch filter

is not set, the servo automatically sets that Notch filter for resonance suppression. If the

resonance cannot be suppressed when P2.031 is increased, the servo automatically decreases

P2.031 to the level where the resonance does not occur, and then the servo sets the last set

value of P2.031 before it is decreased as the upper limit of P2.031. If requiring to further

increase P2.031, disable the bandwidth response level reversion function and the upper limit is

lifted.

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Call +1(800)985-6929 To Order or Order Online At Deltaacdrives.com

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