The Delta ASD-E3-1021-L is a 1kW basic-type AC servo drive from the ASDA-E3 series, designed for industrial automation applications requiring precise motion control. Operating on 200-240V AC single-phase input, this drive delivers reliable performance with simplified wiring and an intuitive user interface. It is optimized for use with ECM-E3 series servo motors, making it suitable for transmission, conveying, positioning, and other basic industrial automation applications.
Key Specifications
| Model |
ASD-E3-1021-L |
| Series |
ASDA-E3 Series |
| Rated Power |
1.0 kW (1000W) |
| Input Voltage |
200-240 V AC, Single Phase |
| Output Current |
6 A (RMS) |
| Control Modes |
Position, Velocity, Torque |
| Communication Interface |
RS-485 (MODBUS RTU) |
| Encoder Support |
22-bit Optical / 17-bit Magnetic |
| Dimensions (W × H × D) |
130 × 150 × 153 mm |
| Protection |
Overcurrent, Overvoltage, Overtemperature |
Key Features
| High Bandwidth Response |
2.5 kHz velocity response bandwidth (improved from B2 series 0.5 kHz), enabling faster command tracking and improved system stability |
| High Resolution Encoders |
Supports 22-bit optical encoder (4,194,304 ppr) or 17-bit magnetic encoder (131,072 ppr) for precise positioning |
| High Speed & Torque |
Motor speed up to 6000 rpm with 3.5x torque overload capacity for enhanced productivity |
| Vibration Suppression |
Five sets of high-frequency resonance suppression filters up to 5000 Hz with auto-scanning capability |
| Compact Design |
Drive volume reduced by 20% compared to B2 series; motor size reduced by 25% for space-constrained applications |
| Multiple Control Modes |
Supports position, speed, and torque control modes for flexible application integration |
Applications
| Textile Machinery |
Spinning machines, winding equipment, tension control |
| Packaging Machinery |
Filling machines, labeling equipment, cartoning systems |
| Material Handling |
Conveyor systems, AGV, pick-and-place operations |
| Woodworking Machinery |
CNC routers, edge banding machines, carving equipment |
| Metalworking |
Machine tools, milling machines, lathes |
| Robotics |
SCARA robots, robotic arms, automation arms |
System Integration
Compatible Motors
Designed for use with Delta ECM-E3 series servo motors, including:
- ECM-E3M-C20807RSE / SS (750W)
- ECM-E3M-E21310RSE / SSE (1kW)
- ECM-E3M-E21315RSE (1.5kW)
Performance Advantages
| Faster Settling Time |
2.5 kHz bandwidth reduces positioning settling time, improving cycle times |
| Enhanced Stability |
Auto vibration suppression minimizes mechanical resonance for smooth operation |
| Simplified Wiring |
Basic-type design with intuitive terminal layout reduces installation time |
| Energy Efficiency |
Optimized control algorithms reduce power consumption and operating costs |
Wiring & Installation Guidelines
| Power Connection |
Connect single-phase AC input to L and N terminals |
| Motor Connection |
Connect U, V, W terminals to motor power leads; ensure proper grounding |
| Encoder Connection |
Use shielded cables; separate from power cables to prevent EMI |
| Communication |
RS-485 interface with MODBUS RTU protocol for PLC/HMI integration |
| Configuration |
Use Delta Motion Studio software for parameter tuning, PID loop adjustment, and motion profile configuration |
Safety & Operational Guidelines
| Power Disconnection |
Disconnect main power before wiring or maintenance |
| Overcurrent Protection |
Install appropriate fuses or circuit breakers per user manual specifications |
| Emergency Stop |
Implement external emergency stop circuits for safety |
| Temperature Monitoring |
Monitor motor temperature during high-load continuous operation |
| Common Fault Codes |
F01: Overcurrent; F03: Overvoltage - inspect cabling and load conditions |
Ordering Information
| Model |
ASD-E3-1021-L |
| Power |
1 kW (1000W) |
| Voltage |
200-240 V AC, Single Phase |
| Control |
Pulse train (PT mode) |
| Communication |
RS-485 (MODBUS) |
| Compatible Motors |
ECM-E3 Series |
Frequently Asked Questions
What is the main advantage of the ASD-E3-1021-L over the previous B2 series?
The E3 series offers 2.5 kHz bandwidth (vs. 0.5 kHz), 20% smaller drive footprint, 25% smaller motor size, 6000 rpm maximum speed, and 3.5x torque overload capacity.
What communication protocols does this drive support?
The ASD-E3-1021-L supports RS-485 communication with MODBUS RTU protocol for integration with PLCs and HMIs.
Can this drive be used with absolute encoders?
Yes, the drive supports absolute encoders (17-bit magnetic) with optional modules for enhanced feedback capabilities.
What is the typical application for this drive?
It is well-suited for packaging machinery, textile equipment, material handling systems, woodworking machinery, and basic automation applications requiring precise motion control.