Product Overview

The Schneider ATV340D22N4 Variable Speed Drive is a high-performance AC drive from the Schneider Electric Altivar Machine ATV340 series, specifically engineered for advanced machine automation, precision motor control, and continuous industrial operation. Rated for 22 kW (Heavy Duty), the drive operates on a three-phase 380–480 VAC power supply and is designed to control both three-phase asynchronous induction motors and permanent magnet synchronous motors.

Developed for demanding OEM equipment and intelligent manufacturing systems, the ATV340D22N4 incorporates advanced sensorless vector control technology, rapid dynamic response, integrated Safe Torque Off (STO), intelligent diagnostics, and flexible industrial communication capabilities. These features provide excellent low-speed torque, accurate speed regulation, high overload capacity, and improved energy efficiency, making the drive suitable for high-performance industrial applications.

With dimensions of 180 × 385 × 249 mm and an approximate weight of 10.2 kg, the drive is designed for cabinet-mounted installation where compact construction, efficient heat dissipation, and dependable long-term performance are required.

Typical applications include CNC machining centers, packaging machinery, conveyor systems, robotics, material handling equipment, printing machinery, textile production, food and beverage processing, pumps, compressors, and automated manufacturing lines.

Technical Specifications

Function and Working Principle

The ATV340D22N4 converts fixed-frequency AC power into adjustable voltage and frequency output, allowing precise control of motor speed, torque, and acceleration for industrial automation applications.

Operating sequence:

Three-Phase AC Input → Rectifier → DC Bus → PWM Inverter → AC Motor → Industrial Equipment

The integrated digital processor continuously analyzes motor load and operating conditions while optimizing output parameters to ensure smooth operation, maximize efficiency, and protect both the drive and connected equipment.

Key functions include:

• High-performance variable speed control
• Advanced sensorless vector motor control
• High starting torque
• Excellent low-speed performance
• Adjustable acceleration and deceleration
• PID process control
• Dynamic braking support
• Automatic energy optimization
• Intelligent fault diagnostics
• Safe Torque Off (STO)
• Industrial communication integration
• Comprehensive motor protection

Role in Industrial Automation Systems

The ATV340D22N4 functions as the intelligent motor control center in advanced industrial automation systems.

Typical automation architecture:

PLC / Motion Controller

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ATV340D22N4 Variable Speed Drive

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Three-Phase AC Motor

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Industrial Equipment

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Automated Manufacturing Process

The drive executes speed and torque commands with high precision, improving machine productivity, process stability, and equipment reliability.

Industrial Applications

CNC Machine Tools

Suitable for:

• Machining centers
• Milling machines
• Cutting equipment
• Precision production systems
• Automated machining cells

Packaging Machinery

Ideal for:

• Filling machines
• Wrapping systems
• Labeling equipment
• Cartoning machines
• High-speed packaging lines

Material Handling Systems

Supports:

• Conveyor systems
• Warehouse automation
• Transfer equipment
• Hoists
• Logistics machinery

Pumps and Compressors

Provides efficient motor control while reducing operating costs and extending equipment life.

Textile Machinery

Supports spinning, weaving, winding, dyeing, and finishing processes requiring precise speed regulation.

Food and Beverage Processing

Suitable for mixers, bottling systems, conveyors, packaging equipment, and automated production lines.

Robotics and Smart Manufacturing

Designed for robotic systems, automated assembly lines, positioning equipment, and synchronized industrial machinery.

Installation and Commissioning

Before installation, engineers should verify:

• Input voltage compatibility
• Motor specifications
• Cabinet ventilation
• Protective grounding
• Cable sizing
• Communication configuration
• Protection devices
• Environmental operating conditions

Recommended Installation Procedure

1. Disconnect all electrical power.
2. Mount the drive securely inside the control cabinet.
3. Connect the three-phase input power.
4. Connect the motor output terminals.
5. Connect the protective earth conductor.
6. Complete the control wiring.
7. Configure communication parameters.
8. Verify all electrical connections.
9. Restore power.
10. Enter motor nameplate data.
11. Configure acceleration and deceleration settings.
12. Set protection functions.
13. Test motor operation.
14. Verify PLC and HMI communication.
15. Complete system commissioning.

Compatible System Components

Recommended Alternative Models

Key Advantages

• Altivar Machine ATV340 high-performance platform
• 22 kW heavy-duty motor control
• Three-phase 380–480 VAC operation
• Advanced sensorless vector control
• High overload capability
• Excellent low-speed torque performance
• Integrated Safe Torque Off (STO)
• Flexible industrial communication
• Intelligent diagnostics
• Comprehensive motor protection
• Energy-efficient operation
• Easy installation and maintenance
• Compact dimensions of 180 × 385 × 249 mm
• Approximate weight of 10.2 kg

Technical FAQs

What is the Schneider ATV340D22N4?

The ATV340D22N4 is a 22 kW Variable Speed Drive from the Schneider Electric Altivar Machine ATV340 series designed for demanding industrial motor control applications.

What is its primary function?

It converts fixed-frequency AC power into adjustable voltage and frequency output, enabling precise motor speed and torque regulation.

What are the physical dimensions?

The drive measures 180 × 385 × 249 mm.

What is the approximate weight?

The drive weighs approximately 10.2 kg.

Which motors are compatible?

The drive supports compatible three-phase AC induction motors and permanent magnet synchronous motors.

Which communication interfaces are available?

It supports integrated Modbus and CANopen, with optional communication modules for Industrial Ethernet and additional industrial protocols.

Which industries commonly use this drive?

It is widely used in CNC machining, packaging, robotics, logistics, textile manufacturing, food processing, printing, water treatment, material handling, and OEM automation systems.

Does the drive improve energy efficiency?

Yes. Intelligent motor control optimizes output according to process demand, reducing energy consumption while maintaining high production efficiency.

Does the drive include protection functions?

Yes. It provides overload protection, thermal protection, overvoltage and undervoltage protection, phase-loss detection, short-circuit monitoring, Safe Torque Off (STO), and advanced fault diagnostics.

What should engineers verify before installation?

Before commissioning, engineers should verify power supply specifications, motor ratings, grounding, cabinet ventilation, communication settings, wiring integrity, and environmental conditions.

Conclusion

The Schneider ATV340D22N4 Variable Speed Drive is a reliable 22 kW industrial AC drive designed for advanced machine automation and precision motor control. Its intelligent vector control technology, integrated safety functions, flexible communication capabilities, and comprehensive protection features make it an excellent solution for modern industrial manufacturing.

With dimensions of 180 × 385 × 249 mm and an approximate weight of 10.2 kg, the drive is ideally suited for cabinet-mounted installations requiring high efficiency, dependable operation, and long-term reliability.

When integrated with compatible PLCs, HMIs, AC motors, industrial communication networks, sensors, and automation equipment, the ATV340D22N4 delivers precise speed regulation, improved productivity, reduced maintenance requirements, and stable performance across a wide range of industrial automation applications.