Delta Electronics ASDA-B Series Manuale Utente

Chapter 6  Control Modes of Operation|ASDA-B Series 

Revision January, 2009 

 

 

6-13 

ASDA-B series servo drives also provide Analog Speed Command S-curve Filter for the smoothing in 

response to a sudden analog input signal. 

Speed (rpm)

3000

-3000

0

1

3

2

4

6

5

7

9

8

Time (sec)

Motor Torque

Analog speed command

 

The analog speed command S-curve filter is for the smoothing of analog input signal and its function is 

the same as the S-curve filter. The speed and acceleration curve of analog speed command S-curve 

filter are both continuous. The above figure shows the curve of analog speed command S-curve filter 

and the users can see the ramp of speed command is different during acceleration and deceleration. 

Also, the users can see the difference of input command tracking and can adjust time setting by using 

parameter P1-34, P1-35, P1-36 to improve the actual motor performance according to actual condition. 
 

Analog Speed Command Low-pass Filter is used to eliminate high frequency response and electrical 

interference from an analog speed command and it is also with smoothing function. 

Relevant parameters: 

Default: 0 

Related Section: 

Applicable Control Mode: S 

Section 6.3.3 

Unit: ms 

 

Range: 0 ~ 1000 (0: Disabled) 

 

1)  If the setting value of parameter P1-06 is set to 0, it indicates the function of this parameter 

is disabled and the command is just By-Pass. 

SFLT

Target Speed