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Chapter 6 Control Modes of Operation ASDA-B2

6-30 Revision September 2013

Unit: 1ms 0.1ms

Range: 0.0 ~ 100.0 0 ~ 1000

Data Size: 16-bit

Display

Format:

One-digit Decimal

Input Value

Example:

1.5 = 1.5 ms 15 = 1.5 ms

Settings:

This parameter is used to set low-pass filter time constant of resonance suppression.

If P2-25 is set to 0, this parameter is disabled.

There are two groups of notch filters provided by ASDA-A2 series. The first group of notch filter is

P2-43 and P2-44, and the second group of notch filter is P2-45 and P2-46. When there is

resonance, please set P2-47 to 1 or 2 (Auto mode), and then the servo drive will find resonance

frequency and suppress the resonance automatically. After suppressing the resonance point, the

system will memorize the notch filter frequency into P2-43 and P-45, and memorize the notch filter

attenuation rate into P2-44 and P2-46.

When P2-47 is set to 1, the resonance suppression will be enabled automatically. After the

mechanical system becomes stable (approximate 20 minutes), the setting value of P2-47 will

return to 0 (Disable auto resonance suppression function). When P2-47 is set to 2, the system will

find the resonance point continuously even after the mechanical system becomes stable.

When P2-47 is set to 1 or 2, if the resonance conditions can not be eliminated, we recommend the

users to check the settings of P2-44 and P2-46. If either of the setting value of P2-44 and P2-46 is

set to 32, please decrease the speed frequency response and estimate the resonance point again.

If the resonance conditions can not be eliminated when the setting values of P2-44 and P2-46 are

both less than 32, please set P2-47 to 0 first, and increase the setting value of P2-44 and P2-46

manually. If the resonance exists still after increasing the setting value of P2-44 and P2-46, please

decrease the value of speed frequency response again and then use the resonance suppression

function again.

VARITEL INGENIERIA ELECTRONICA S.A.

info@varitel.com - www.varitel.com - Tel. (54) 11-4243-1171 / Fax: (54) 11-4292-7545

Manuel Baliña 456, Lomas de Zamora (B1832CCJ) Buenos Aires, Argentina.

Delta Electronics ASDA-B2 series User Manual

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