Delta ASD-A0721-AB AC Servo Drive

Description

The Delta ASD-A0721-AB is a high-performance AC servo drive from the A-series, engineered to provide precise motion control for industrial automation systems. With a power rating of 700 W, this servo drive utilizes advanced SVPWM (Space Vector Pulse Width Modulation) control to deliver smooth torque and accurate velocity regulation. The unit features built-in dynamic braking, enhancing safety and responsiveness in high-inertia applications.

The ASD-A0721-AB offers versatile control interfaces, supporting both external pulse train commands and internal parameter-based control. It is designed to handle high input pulse frequencies up to 500 Kpps and includes robust smoothing strategies such as low-pass and P-curve filters to reduce mechanical vibration. With an encoder feedback resolution of 10,000 ppr, it ensures high-precision positioning for a wide range of sophisticated motion control tasks.

Features

• Power Rating: 700 W
• Control Method: SVPWM (Space Vector Pulse Width Modulation)
• Feedback Resolution: 10,000 ppr (2500 ppr encoder)
• Input Pulse Handling: Up to 500 Kpps (Line driver) / 200 Kpps (Open collector)
• Safety: Built-in dynamic brake
• Tuning: Flexible Auto/Manual tuning modes
• Smoothing: Low-pass and P-curve filtering for minimized jitter
• Command Options: External pulse train or internal parameters

Applications

• Robotic arms and automated assembly systems
• CNC machining and precision tooling
• Packaging and labeling machinery
• Semiconductor manufacturing equipment
• X-Y table positioning systems

Technical Specifications

Installation Guidelines

• Mounting: Mount the servo drive vertically to allow for efficient natural air circulation, ensuring there is sufficient clearance above and below the unit.
• Grounding: Always use a low-impedance connection to the system protective earth (PE) terminal to maintain signal integrity.
• Wiring: Keep pulse signal lines separated from power lines to avoid electrical interference, especially when using open-collector inputs.
• Cooling: Ensure the installation environment does not exceed the operating temperature limits; use a ventilated cabinet for optimal performance.
• Shielding: Use high-quality shielded twisted-pair cables for pulse train and encoder signals to ensure noise-free communication.