DELTA ASD-A2-0721-M Servo Drive

Delta ASDA-A2 series high-performance general-purpose servo drive with 750W (0.75kW) 정격 출력, universal 220V AC single/three-phase input, and standard pulse command type (중). It is compatible with 20-bit high-resolution servo motors and is suitable for high-precision positioning and speed control motion applications in industrial automation.

1. 완전한 모델 분석 (Standard Format: ASD-A2-0721-M)

2. 주요 기술 매개변수 (ASD-A2-0721-M)

3. 핵심 기능

3.1 High-Precision Control

20-bit high-resolution encoder: Positioning accuracy up to ±0.001°, smooth low-speed operation without jitter

Auto vibration suppression filter: 2 built-in damping filters to automatically compensate mechanical resonance and improve machining accuracy

Full closed-loop control (선택된 모델): Supports external linear scales / encoders for ultra-high precision positioning

3.2 Flexible Motion Control

Electronic CAM (E-CAM): 최대 720 CAM points with smooth interpolation, replacing mechanical cams and reducing maintenance

Built-in gantry control: Supports dual-axis synchronous control for large machine tools and gantry machining centers

Multi-mode switching: Seamless switching between position / 속도 / torque modes for complex motion tasks

3.3 안전 & 의사소통

STO (세이프 토크 오프): EN 준수 61800-5-2 for safe stop control

CANopen (standard on M type): 1Mbps baud rate, supports DS301/DS402 for multi-axis networking

모드버스 RTU: Parameter configuration and monitoring via RS-485

4. Matching Motors & 설치

4.1 Compatible Servo Motors (Delta ECMA Series)

4.2 설치 참고 사항

1. DIN 레일 장착: Standard 35mm rail, 45mm 폭, with sufficient heat dissipation space
2. Wiring rules:

L1/L2/L3: 3상 전원 입력 (single-phase to L1/L2)

U/V/W: Servo motor output

A1/A2: Control power input (24DC에서)

PULSE/DIR: Pulse command input (for PLC/CNC)

3. Grounding requirement: Drive PE terminal must be reliably grounded with resistance ≤1Ω to prevent interference and electric shock
4. 일반적인 응용 분야

6. 동일 시리즈 모델 비교 (A2 시리즈, 220V 클래스)

7. Cross-Brand Replacement Models

8. 선택 & 교체 지침
9. 전력 매칭: Calculate required load power; 750W suits 0.5~1kW loads (1.2~1.5x safety factor recommended)
10. Voltage confirmation: 220V single/three-phase input matches common factory power without extra transformers
11. 제어 요구 사항:

Pulse type (중): For PLC/CNC/motion controllers, general-purpose choice

필드버스 유형 (E/F): For multi-axis synchronization and high-speed communication

4. Replacement suggestions:

Delta internal upgrade: A2 → A3 (경제적, 완벽하게 호환됨)

브랜드 간 교체: Match power, 전압, 제어 모드, 출력 전류; note terminal layout and parameter differences

ASD-A2-0721-M is a high-performance 750W servo drive in Delta’s A2 series with 220V single/three-phase input and pulse command control. Featuring a 20-bit high-resolution encoder, 400Hz frequency response, and flexible motion functions, it is ideal for high-precision positioning and speed control in most small-to-medium industrial automation equipment, making it a top choice for general-purpose servo solutions.

Delta Servo Drive Model List & Cross-Brand Comparison Overview

1. Complete Delta Servo Drive Model List (By Product Line)

1.1 High-End Servo Systems

ASDA-A3 Series (High-Performance Motion Control)

ASDA-W3 Series (Common DC Bus Multi-Axis)

전력 범위: 1kW~7.5kW, 380V three-phase input, 다축 동기화

Typical models: ASD-W3-0103-F<br>ASD-W3-0203-F<br>ASD-W3-0303-F

ASDA-H3 Series (Ultra-High Power Multi-Axis)

전력 범위: 5kW~22kW, 380V three-phase input, 모듈식 디자인

Typical models: ASD-H3-0503-F<br>ASD-H3-1003-F<br>ASD-H3-2203-F

1.2 Advanced General-Purpose

ASDA-A2 Series (고성능, 20-비트 인코더)

ASDA-M Series (Medium Load Dedicated)

전력 범위: 750W~3kW, 220V/380V optional

Typical models: ASD-M-0721-중<br>ASD-M-1023-F

1.3 Standard General-Purpose

ASDA-B3 Series (Economical High Performance, 3.1kHz 응답)

ASDA-B2 Series (Classic Economy, gradually replaced by B3)

전력 범위: 100W~3kW, 220V/380V optional

Typical models: ASD-B2-0421-B<br>ASD-B2-0721-B<br>ASD-B2-1023-B (비: 기본형)

ASDA-E3 Series (기본 기능, 비용 효율적)

1.4 Special Series

ASDA-A2R Series: Simplified A2, 단종; upgrade to A3 recommended

ASDA-AB Series: Early economy, 단종; upgrade to B3 recommended

2. Delta Servo Drive Naming Convention

Standard format: ASD-XX-YYZZ-□

ASD: AC Servo Drive (Delta universal prefix)

더블 엑스: 시리즈 코드 (A2/A3/B2/B3/E3/M/W3/H3)

YY: 전원 코드 (01=100W, 02=200W, 04=400W, 07=750W, 10=1kW, 15=1.5kW)

ZZ: 전압 코드 (21=220V 1φ/3φ, 23=220V 3φ, 33=380V 3φ)

□: Control type (중: Pulse, 엘: Pulse+Analog, 에프: EtherCAT, 여: CANopen, 이자형: 경제)

3. Delta Servo Drive Cross-Brand Comparison (주류 모델)

4. 선택 & Replacement Principles
5. 전력 매칭: Ensure rated power ≥ original load; 1.2~1.5x safety factor recommended
6. Voltage compatibility: Match input voltage class (220V/380V, single/three-phase)
7. 제어 모드:

Pulse type (중): For PLC/CNC and general motion control

필드버스 유형 (F/W): For multi-axis and high-speed networking

Analog type (엘): For continuous speed/torque regulation

4. Performance upgrade path:

Delta internal: B2 → B3 → A3 → W3/H3

Cross-brand: Match performance level; pay attention to wiring and parameter setup

Delta servo drives cover a full power range from 100W to 22kW, graded by performance: E3 → B3 → A2 → A3 → M → W3/H3. They satisfy all industrial automation scenarios from basic positioning to high-end motion control. 브랜드 간 교체의 경우, focus on matching power, 전압, and control mode to ensure stable system operation.