An AC Servo System by Delta typically consists of three main components:
Servo Motor
Servo Drive (Amplifier)
Feedback Device (Encoder)
These components work together to provide precise control of angular or linear position, velocity, and acceleration.
⚙️ Key Components and Models
1. Servo Motors – Delta ECMA Series
Delta’s servo motors are brushless, high-performance motors designed to pair with their drives.
Series: ECMA
Features:
High torque density
Low inertia and medium/high inertia models
Built-in 17-bit or 20-bit encoders (incremental or absolute)
Flange sizes from 40mm to 180mm
Power ratings from 100W to 7.5kW
2. Servo Drives – Delta ASD Series
Delta offers several drive models under the ASDA series. Major variants include:
🔹 ASDA-A2 Series
High-performance, advanced functions
20-bit encoder support (for ultra-precise control)
Built-in auto-tuning and notch filter
CANopen, EtherCAT, and Modbus communication
🔹 ASDA-B2 Series
Cost-effective and user-friendly
17-bit encoder support
Built-in motion control functions
RS-485 communication
🔹 ASDA-M Series (Multi-axis)
Integrated motion controller + drive
EtherCAT communication
Ideal for synchronized multi-axis control
💡 Features and Benefits
Feature Description
High Accuracy 17 to 20-bit encoder resolution for precise positioning
Auto-Tuning Automatically adjusts parameters for optimal performance
Dynamic Response Fast acceleration/deceleration with minimal overshoot
Multi-Protocol Support Supports EtherCAT, CANopen, RS-485, Modbus, etc.
Safety Functions STO (Safe Torque Off), alarms, and protective shutdown
Position/Speed/Torque Modes Flexibility in motion control for different applications
🔌 Control Modes
Position Control – Ideal for applications requiring accurate motion (e.g., robotics, CNC).
Speed Control – Used in conveyors or rollers where consistent speed is needed.
Torque Control – Useful for winding/unwinding, pressing, or tensioning systems.
🏭 Applications
CNC Machine Tools
Industrial Robots
Packaging Machines
Labeling and Printing Equipment
Textile Machines
Pick and Place Systems
📊 Example Configuration
Motor: ECMA-C20604RS (750W, 3000 RPM, 20-bit encoder)
Drive: ASDA-A2-0721-M
Control Interface: EtherCAT with external PLC
🧰 Optional Accessories
Cables (power and encoder)
Brake resistors
External braking units
Communication modules
📚 Documentation & Support
Delta provides:
User manuals and wiring guides
Parameter tuning software (e.g., ASDA-Soft)
Online technical support and training
