ASD-A0121-AB Compact Servo Drive High Resolution Feedback Delta

Delta ASD-A0121-AB Servo Drive

The Delta ASD-A0121-AB is a compact AC servo drive. It delivers 100W of precise motion control. This unit operates with natural convection cooling. It supports high-resolution feedback and multiple command types. The integrated dynamic brake ensures safe operation. It offers a wide speed regulation range for versatile applications.

Key Features

• Compact Power: 100W output in a space-efficient design.
• High Precision: Supports up to 10000 pulses per revolution feedback.
• Multiple Interfaces: Compatible with various pulse command formats.
• Integrated Safety: Built-in dynamic braking system.
• Broad Speed Range: 1:5000 speed control capability.

Technical Specifications

• Manufacturer: Delta
• Model: ASD-A0121-AB
• Product Type: AC Servo Drive
• Rated Output: 100W
• Supply Voltage: Single-phase/Three-phase 200-230V AC
• Thermal Management: Natural Air Cooling (Fanless)
• Encoder Resolution: 2500 pulses per revolution
• Feedback Resolution: 10000 pulses per revolution (after multiplication)
• Power Circuit Control: Space Vector Pulse Width Modulation
• Adjustment Methods: Automatic and Manual Configuration
• Braking Mechanism: Internal Dynamic Braking Unit
• Maximum Pulse Rate: 500K pulses per second (Line Driver), 200K pps (Open Collector)
• Pulse Input Formats: Pulse with Direction Signal, A/B Phase Differential, Separate CW/CCW Pulses
• Command Inputs: External Pulse Stream or Internal Preset Values
• Signal Processing: Low-pass and P-curve Trajectory Filters
• Analog Signal Range: 0 to ±10 Volts DC
• Input Circuit Impedance: 10 kΩ
• Speed Adjustment Range: 1:5000
• Product Mass: 1.5 kg (3.3 lbs)
• Communication Protocol: Standard servo communication interface
• Protection Functions: Overcurrent, Overvoltage, Overheating, Short Circuit Protection
• Operating Conditions: 0°C to 55°C (32°F to 131°F)
• Storage Conditions: -20°C to 80°C (-4°F to 176°F)

Installation and Setup

• Install in a location with adequate airflow for passive cooling.
• Connect compatible pulse command cables from the motion controller.
• Configure the drive parameters to match your pulse input type.
• Utilize the auto-tuning function for initial motor setup.
• Ensure proper electrical grounding and noise reduction measures.

Typical Applications

• Small automation equipment and pick-and-place systems.
• Precision stages in laboratory and testing instruments.
• Light-duty CNC accessories and auxiliary axes.
• Textile machinery and small winding devices.
• Robotic joints and compact actuator systems.

Frequently Asked Questions (FAQ)

Q: What are the advantages of natural air cooling?

• A: It eliminates fan noise, reduces maintenance, and improves reliability by having no moving parts for cooling.

Q: Can this drive operate with different controller types?

• A: Yes. It accepts multiple pulse formats (line driver and open collector) making it compatible with most PLCs and motion controllers.

Q: What is the purpose of the signal smoothing filters?

• A: They reduce electrical noise and create smoother motion profiles, minimizing vibration and improving positioning accuracy.