Chapter 11  Specifications|ASDA-A&A+ Series 
11-4     Revision April 2009 
11.2  Specifications of Servo Drive (ASDA-A+ Series) 
4.5kW  5.5kW  7.5kW 
ASDA-A+ Series 
45  55  75 
Phase / Voltage  Three-phase 220VAC 
Permissible Voltage Range  170 ~ 255VAC 
Power 
Supply 
Permissible Frequency 
Range 
50/60Hz ±5% 
Cooling System  Fan Cooling 
Feedback Resolution 
1280000 p/rev 
Control of Main Circuit  SVPWM Control 
Tuning Modes  Auto / Manual 
Dynamic Brake  Built-in 
Max. Input Pulse Frequency 
High-speed position pulse input: 4Mpps 
Max. 500Kpps (Line driver) / Max. 200Kpps (Open collector) 
Pulse Type  Pulse + Direction, A phase + B phase, CCW pulse + CW pulse 
Command Source  External pulse train / Internal parameters 
Smoothing Strategy  Low-pass and P-curve filter 
Electronic Gear 
Electronic gear N/M multiple N: 1~32767, M: 1:32767 
(1/50<N/M<200) 
Torque Limit Operation  Set by parameters 
Position Control Mode 
Feed Forward Compensation  Set by parameters 
Voltage Range 
0 ~ ±10 V
DC
 
Input 
Resistance 
10KΩ 
Analog Input 
Command 
Time Constant  2.2 us 
Speed Control Range
*1
 1:3000 
Command Source  External analog signal / Internal parameters 
Smoothing Strategy  Low-pass and S-curve filter 
Torque Limit Operation  Set by parameters or via Analog input 
Frequency Response 
Characteristic 
Maximum 550Hz 
0.01% or less at load fluctuation 0 to 100% (at rated speed) 
0.01% or less at power fluctuation ±10% (at rated speed) 
Speed Control Mode 
Speed Fluctuation Rate
*2
 
0.01% or less at ambient temperature fluctuation 0
 o
C to 50
 o
C (at rated 
speed) 
Voltage Range 
0 ~ ±10 V
DC
 
Input 
Resistance 
10KΩ 
Analog Input 
Command 
Time Constant  2.2 us 
Command Source  External analog signal / Internal parameters 
Smoothing Strategy  Low-pass filter 
Torque Control Mode 
Speed Limit Operation  Parameter Setting or via Analog input 
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales