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Delta ASDA-B2 AC Servo Drive 400 W 220 V 1/3-Phase – ASD-B2-0421-B
Delta ASDA-B2 400 W 220 V AC servo drive (ASD-B2-0421-B) with 17-bit encoder feedback, position/speed/torque control, 4 Mpps pulse input and RS-232/RS-485 MODBUS.
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| Brand | Delta Electronics |
|---|---|
| Series | ASDA-B2 |
| Product Type | AC servo drive (standard type) |
| Model | ASD-B2-0421-B |
| Part No | ASD-B2-0421-B |
| Rated Output Power | 400 W (0.4 kW) |
| Power Supply | Single-phase 200–255 VAC or three-phase 170–255 VAC, 50/60 Hz ±5% |
| Continuous Output Current | 2.6 Arms |
| Max. Instantaneous Output Current | 7.8 Arms |
| Main Circuit Control | SVPWM (space vector PWM) |
| Encoder Feedback | 17-bit (160,000 pulses/rev) |
| Control Modes | Position, speed and torque (speed/torque via internal parameters or analog voltage) |
| Pulse Input Types | Pulse + Direction, A phase + B phase, CCW pulse + CW pulse |
| Max. Pulse Input Frequency | Line driver 500 kpps; high-speed differential 4 Mpps; open collector 200 kpps |
| Analog Command Input | 0 to ±10 VDC (speed / torque), 10 kΩ input resistance |
| Speed Control Range | 1:5000 |
| Frequency Response | Max. 550 Hz |
| Digital Inputs / Outputs | 9 DI / 6 DO |
| Communication | RS-232 / RS-485 (MODBUS) |
| Regenerative Resistor | Built-in |
| Protective Functions | Overcurrent, overvoltage, undervoltage, overheat, excessive speed/position deviation, encoder error, emergency stop, communication error |
| Degree of Protection | IP20 |
| Operating Temperature | 0 to 55 °C (forced cooling required above 45 °C) |
| Storage Temperature | -20 to 65 °C |
| Humidity | 0 to 90% RH, non-condensing |
| Altitude | 2000 m or lower |
| Weight | Approx. 1.07 kg |
| Standards / Approvals | IEC/EN 61800-5-1; UL, cUL, CE, RoHS |
Product Overview
The Delta ASD-B2-0421-B is a 400 W AC servo drive from Delta Electronics’ ASDA-B2 series. It accepts a single-phase 200–255 VAC or three-phase 170–255 VAC supply and provides 2.6 Arms continuous and 7.8 Arms peak output current. Matched with a Delta ECMA servo motor with 17-bit encoder (160,000 pulses/rev), it delivers accurate, responsive motion with a speed control range of 1:5000 and a frequency response of up to 550 Hz.
The drive supports position, speed and torque control. Position commands can be given as pulse + direction, A/B phase or CW/CCW pulses (up to 4 Mpps via the high-speed differential input), while speed and torque can be set by internal parameters or a ±10 V analog signal. With 9 digital inputs, 6 digital outputs, RS-232/RS-485 (MODBUS) communication, a built-in regenerative resistor and full protection functions, it is a popular choice for general-purpose machine automation.
Key Features
- 400 W servo drive for 220 V single/three-phase supply
- 2.6 Arms continuous / 7.8 Arms peak output current
- 17-bit encoder feedback (160,000 pulses/rev)
- Position, speed and torque control modes
- High-speed differential pulse input up to 4 Mpps
- Frequency response up to 550 Hz, speed range 1:5000
- RS-232 / RS-485 MODBUS communication
- Built-in regenerative resistor and full protection functions
Applications
- Packaging machines
- Labeling and printing machines
- Electronics and PCB assembly equipment
- Textile and sewing machines
- Conveyors and indexing tables
- Pick-and-place and handling robots
- Small CNC and engraving machines
- Woodworking and cutting machines
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