Delta ASD-A3-0121-L Servo Drive for Precision Motion Control
The Delta ASD-A3-0121-L Servo Drive is designed for precision motion control in industrial automation systems requiring stable torque, accurate positioning, and defined speed regulation. It supports 0.1 kW output power and operates on 1/3 phase 220 VAC, with an input range of 200~230 VAC. The drive delivers 0.9 Arms output current with a peak of 3.54 Arms, using natural air cooling and 24-bit resolution with SVPWM control for smooth performance. Manufactured by Delta automation, it is part of the servo drive range and belongs to the ASD series controllers used in industrial applications.
| Brand | Delta |
| Product | Servo Drive |
| Model Number | ASD-A3-0121-L |
Delta ASD-A3-0121-L Servo Drive - Technical Specifications:
| Specification | Value |
|---|---|
| Rated Output Power | 0.1 kW |
| Phase | 1/3 PH |
| Voltage | 220 VAC |
| Permissible Voltage Range | Single-phase / three-phase 200~230 VAC, -15%~10% |
| Arms Output Current | 0.9 Arms |
| Instantaneous Max Output Current | 3.54 Arms |
| Cooling System | Natural Air Circulation |
| Drive resolution | 24-bit (16777216 p/rev) |
| Control of Main Circuit | SVPWM Control |
| Tuning Modes | Auto / Manual |
| Regenerative Resistor | None |
| Pulse Type (Only for Non-DMCNET mode) | Pulse + Direction, A phase + B + CW pulse |
| Max. Input Pulse Frequency(Only for Non-DMCNET mode) | Pulse + Direction: 4Mpps ; CCW pulse + CW pulse: 4Mpps ; A phase + B phase: Single phase 4Mpps ; Max. 200Kpps (Open collector)pps |
| Command Source | External pulse train (PT mode) (Only for Non-DMCNET mode) / Internal parameters (PR mode) |
| Smoothing Strategy | Low-pass and P-curve filter |
| Electronic Gear | Electronic gear N/M multiple N: 1~536870911, M: 1~2147483647 (1/4< N/M < 262144) |
| Torque Limit Operation | Set by parameters |
| Feed Forward Compensation | Set by parameters |
| Analog Monitor Output | Monitor signal can set by parameters (Output voltage range: ±8V) |
| Communication Interface | RS-485 / CANopen / USB |
| Installation Site | Indoor environment (free of direct sunlight), no corrosive liquid and gas (free of oil mist, flammable gas, or dust) |
| Altitude | Altitude 2000m or lower above sea level |
| Atmospheric Pressure | 86kPa ~ 106kPa |
| Operating Temperature | 0ºC ~ 55ºC (If operating temperature is above 45ºC, forced cooling will be required) |
| Storage Temperature | -20 ºC ~ 65 ºC |
| Humidity | 0 ~ 90% RH (non-condensing) |
| Vibration | 9.80665 m/s2 (1G) less than 20Hz, 5.88 m/s2 (0.6G) 20 to 50Hz |
| IP Rating | IP20 |
| Power System | TN System*3*4 |
| Approvals | IEC/EN 61800-5-1，UL 508C |
The Delta ASD-A3-0121-L servo drive is built for stable motion control in systems that require accurate positioning and consistent speed response. It supports automation equipment where controlled torque and smooth acceleration are important for maintaining process stability. Its compact design allows easy installation inside control panels while maintaining reliable electrical performance.
In practical operation, the drive maintains stable output current and precise signal control through 24-bit resolution and SVPWM technology. This enables smooth motor movement and consistent response across varying load conditions. The natural air cooling structure supports continuous operation without additional cooling requirements, making it suitable for compact industrial environments.
From an application perspective, the Delta ASD-A3-0121-L integrates effectively with servo motor systems that require controlled motion and stable performance. Its alignment between power rating, voltage range, and control capability ensures consistent operation in automation setups. This clear connection between drive specification and motion control requirement makes it a practical solution within the Delta ASD series for precision-driven industrial systems.
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