ABB AX521 DC speed controller

ABB AX521 Overview

The ABB AX521 is a high-performance AC servo drive belonging to ABB's AC500 series servo drive system. It is designed for industrial automation applications requiring high precision, high dynamic performance, and reliability, such as robotics, packaging machinery, printing machinery, and machine tools.

Product Detailed Description

• Function:

• Precisely controls the position, speed, and torque of servo motors.

• Supports multiple control modes, including position control, speed control, and torque control.

• Provides advanced motion control functions such as electronic gearing, cam control, and interpolation.

• Integrated safety functions, such as Safe Torque Off (STO).

• Supports various feedback systems, such as incremental encoders, absolute encoders, and resolvers.

• Powerful communication capabilities, supporting multiple Industrial Ethernet protocols (e.g., EtherCAT, PROFINET, Ethernet POWERLINK).

• Comprehensive protection functions, such as overcurrent, overvoltage, undervoltage, overload, and overtemperature protection.

• Features:

• High-performance real-time control capability for precise motion control.

• Compact design, saving installation space.

• Easy to install and commission.

• User-friendly programming and configuration tools (Automation Builder).

• Flexible scalability, seamlessly integrating with other AC500 series components.

• High reliability, suitable for demanding industrial environments.

Product Parameters

As the ABB AX521 has different models and configurations, the following are some general parameters. Always refer to the official datasheet for the specific model:

• Rated Voltage:

• 200-240 V AC (Single-phase/Three-phase)

• 380-480 V AC (Three-phase)

• Rated Current:

• Varies by specific model, wide range available.

• Output Frequency:

• 0-599 Hz (Standard)

• Higher frequencies available depending on the model configuration.

• Control Modes:

• Position Control

• Speed Control

• Torque Control

• Feedback Interfaces:

• Incremental Encoder

• Absolute Encoder (Single-turn/Multi-turn)

• Resolver

• Communication Interfaces:

• EtherCAT

• PROFINET

• Ethernet POWERLINK

• CANopen

• RS-485

• Safety Functions:

• STO (Safe Torque Off)

• SS1 (Safe Stop 1) (Supported by some models)

• Protection Degree:

• IP20

• Ambient Temperature:

• Operating Temperature: 0 °C to +55 °C (depending on the mounting method and model)

• Storage Temperature: -25 °C to +70 °C

• Overload Capacity:

• Varies by specific model.

Product Advantages

• High-Performance Motion Control:

• Achieves high-precision and high-dynamic response motion control.

• Flexible Control Modes:

• Selection of control methods to meet various application requirements.

• Powerful Communication Capabilities:

• Supports major Industrial Ethernet protocols for easy system integration.

• Integrated Safety Functions:

• Enhances the safety of equipment and personnel.

• Ease of Use:

• Intuitive programming and configuration tools simplify commissioning and maintenance.

• Compact Design:

• Saves installation space.

• High Reliability:

• Suitable for demanding industrial environments.

Precautions

• Correct Selection:

• Choose the appropriate AX521 model based on the rated parameters of the servo motor, load characteristics, and application requirements.

• Correct Installation:

• Follow ABB's installation guidelines, ensuring the drive is installed in a well-ventilated area with suitable ambient temperature and humidity.

• Correct Wiring:

• Connect the power supply, motor, feedback device, and control signal lines correctly according to the wiring diagram, ensuring proper grounding.

• Parameter Settings:

• Use Automation Builder software to set the drive parameters correctly according to the specific motor and application requirements.

• EMC Considerations:

• Take necessary electromagnetic compatibility (EMC) measures to reduce electromagnetic interference.

• Safe Operation:

• Always follow relevant safety procedures when operating and maintaining the servo drive system.

• Regular Maintenance:

• Regularly inspect the drive's operating status, cooling system, and wiring, and perform necessary maintenance.

Product Applications

ABB AX521 servo drives are widely used in industrial fields requiring precise motion control, including but not limited to:

• Robotics:

• Joint control, trajectory planning.

• Packaging Machinery:

• Positioning control, synchronization control.

• Printing Machinery:

• Tension control, registration control.

• Machine Tools:

• Axis control, feed drives.

• Textile Machinery:

• Winding control, speed synchronization.

• Electronics Manufacturing:

• Precision assembly, pick-and-place machines.

• Material Handling:

• Servo positioning, lifting.

• **Other automated equipment requiring high-precision motion control.

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