Chapter 6 Control Mode of Operation
ASDA-A2R Series
Revision December, 2014
6-19
Analog Speed Command Filter
Analog speed command filter is provided especially for ASDA-A2R series users. It mainly
helps with buffer when the analog input signal changes too fast.
Speed (rpm)
3000
-3000
0
1
3
2
4
6
5
7
9
8
Time (sec)
Motor Torque
Analog speed command
Analog speed command filter smooth the analog input command. Its time program is the
same as S-curve filter in normal speed. Also, the speed curve and the acceleration curve
are both continuous. The above is the diagram of analog speed command filter. The
slope of speed command in acceleration and deceleration is different.
Users could adjust
the time setting (P1-34, P1-35 and P1-36) according to the actual situation to improve the
performance.
Command end low-pass filter
It is usually used to eliminate the unwanted high-frequency response or noise. It also can
smooth the command.
Related parameter: Please refer to Chapter 8 for further information.
Parameter Abbr.
Function
P1-06
SFLT Analog Speed Command (Low-pass Filter)