ASD-B2-0721-B , ASD-B2-0421-B DELTA Servo drive

ASD-B2-0721-B , ASD-B2-0421-B DELTA Servo drive 
Core Similarities (ASDA-B2 Series Standards)

• Built-in Functions: Both drives feature built-in position, speed, and torque control modes.
• Auto-Tuning: They support real-time auto-tuning algorithms to simplify machine commissioning and reduce mechanical vibration.
• Communication: Standard Modbus communication via RS-232 / RS-485 interfaces to hook up with standard PLC systems.

Where to Purchase

• For 750W variant: Check authorized distributors or compare online listings through platforms like or industrial supplier web stores. 
• For 400W variant: Available for direct purchasing with commercial options like GST invoicing on specialized industrial networks like

Are you looking for wiring diagrams, trying to troubleshoot a specific fault code on one of these drives, or trying to match them with a specific ECMA series servo motor? Let me know so I can pull up the technical configuration guidelines.
ated Output Power750 W (0.75 kW)Rated Output Power400 W (0.4 kW)Continuous Output Current5.1 ArmsContinuous Output Current2.6 ArmsInstant Max Current15.30 ArmsInstant Max Current7.80 ArmsInput Phase & Voltage1-Phase / 3-Phase, 200–230 VACInput Phase & Voltage1-Phase / 3-Phase, 200–230 VACEncoder Support17-bit (up to 160,000 p/rev)Encoder Support17-bit (up to 160,000 p/rev)Frequency ResponseUp to 550 HzFrequency ResponseUp to 550 Hz