Chapter 6  Control Modes of Operation|ASDA-A&A+ Series 
Revision April 2009     6-3 
Settings:  
ASDA-A series: 
not used
B
C
 
 
ASDA-A+ series: 
D
A
B
C
not used
 
•  A: Pulse type 
  A=0: AB phase pulse (4x) 
  A=1: CW + CCW pulse 
  A=2: Pulse + Direction 
 Other setting: Reversed 
•  B: Input pulse filter 
 B=0: 500Kpps 
 B=1: 200Kpps 
 B=2: 150Kpps 
 B=3: 80Kpps 
This setting is used to suppress or reduce the chatter caused by the noise, etc. However, if 
the instant input pulse filter frequency is over high, the frequency that exceeds the setting 
value will be regarded as noise and filtered. 
•  C: Logic type 
0=Positive Logic  1=Negative Logic 
Pulse Type 
Forward  Reverse  Forward  Reverse 
AB phase pulse 
   
CW + CCW pulse 
   
Pulse + Direction 
 
 
 
Input pulse interface  Max. input pulse frequency 
Line driver  500Kpps 
Open collector  200Kpps 
 
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Call 1(800)985-6929 for Sales