Product Overview

The Schneider ATV340D22N4E Variable Speed Drive is a high-performance industrial AC drive from the Schneider Electric Altivar Machine ATV340 series, specifically engineered for precision machine control, intelligent manufacturing, and demanding industrial automation environments. Rated at 22 kW (Heavy Duty), the drive operates on a three-phase 380–480 VAC power supply and features an integrated Ethernet communication interface, enabling seamless connectivity with modern Industrial Ethernet architectures.

The ATV340D22N4E is designed to control both three-phase asynchronous induction motors and permanent magnet synchronous motors. Equipped with advanced sensorless vector control, high overload capability, integrated Safe Torque Off (STO), embedded Ethernet communication, and intelligent diagnostic functions, the drive delivers exceptional speed accuracy, dynamic torque response, and reliable operation even under challenging production conditions.

Measuring 180 × 385 × 249 mm and weighing approximately 10.2 kg, the drive is ideal for cabinet-mounted industrial control systems requiring compact installation, reliable cooling performance, and long-term operational stability.

Typical applications include CNC machine tools, robotic systems, packaging machinery, material handling equipment, conveyor systems, textile machinery, printing presses, food and beverage processing equipment, pumps, compressors, and advanced automated production lines.

Technical Specifications

Function and Working Principle

The ATV340D22N4E converts fixed-frequency AC input into adjustable voltage and frequency output, allowing precise regulation of motor speed, torque, and acceleration.

Operating process:

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

Its high-speed digital processor continuously monitors motor performance, operating conditions, and load variations while dynamically optimizing output parameters to improve efficiency, reduce energy consumption, and protect connected equipment.

Primary functions include:

• Precision variable speed control
• Advanced sensorless vector control
• High starting torque
• Excellent low-speed stability
• Adjustable acceleration and deceleration
• PID process regulation
• Dynamic braking capability
• Automatic energy optimization
• Integrated Ethernet networking
• Intelligent fault diagnostics
• Safe Torque Off (STO)
• Comprehensive motor protection

Role in Industrial Automation Systems

The ATV340D22N4E serves as the intelligent drive controller within modern industrial automation systems.

Typical automation architecture:

PLC / Motion Controller

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Industrial Ethernet Network

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ATV340D22N4E Variable Speed Drive

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Three-Phase AC Motor

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Industrial Equipment

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Automated Production Process

Through its integrated Ethernet interface, the drive exchanges real-time operational data with PLCs, HMIs, SCADA systems, and manufacturing execution systems while maintaining highly accurate motor control.

Industrial Applications

CNC Machine Tools

Suitable for:

• Machining centers
• Milling machines
• Drilling equipment
• Precision cutting systems
• Automated machining cells

Packaging Machinery

Ideal for:

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

Material Handling

Supports:

• Conveyor systems
• Warehouse automation
• Transfer equipment
• Lifting systems
• Logistics automation

Pumps and Compressors

Optimizes motor efficiency while reducing operating costs and mechanical stress.

Textile Machinery

Provides accurate speed regulation for spinning, weaving, winding, dyeing, and finishing applications.

Food and Beverage Production

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

Robotics and Smart Manufacturing

Designed for robotic workstations, synchronized production equipment, automated assembly lines, and precision positioning systems.

Installation and Commissioning

Before installation, engineers should verify:

• Power supply compatibility
• Motor specifications
• Cabinet ventilation
• Protective grounding
• Cable sizing
• Ethernet network configuration
• Protection devices
• Environmental conditions

Recommended Installation Procedure

1. Disconnect the incoming power supply.
2. Mount the drive securely inside the electrical cabinet.
3. Connect the three-phase input terminals.
4. Connect the motor output terminals.
5. Connect protective earth.
6. Complete control wiring.
7. Connect the Ethernet communication cable.
8. Configure network parameters.
9. Verify all wiring connections.
10. Restore power.
11. Enter motor nameplate data.
12. Configure drive parameters.
13. Set acceleration, deceleration, and protection functions.
14. Test motor operation.
15. Verify communication with PLC, HMI, and Ethernet devices before 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 input
• Integrated Ethernet communication
• Native Modbus TCP and EtherNet/IP support
• Advanced sensorless vector control
• High overload capability
• Excellent low-speed torque characteristics
• Integrated Safe Torque Off (STO)
• Intelligent diagnostics and predictive maintenance support
• Comprehensive motor protection
• Compact cabinet installation
• Dimensions 180 × 385 × 249 mm
• Approximate weight 10.2 kg

Technical FAQs

What is the Schneider ATV340D22N4E?

The ATV340D22N4E is a 22 kW Variable Speed Drive from the Schneider Electric Altivar Machine ATV340 family with integrated Ethernet communication for advanced industrial automation.

What is the primary function of this drive?

It controls motor speed, torque, and acceleration by converting fixed-frequency AC power into variable voltage and frequency output while supporting real-time Industrial Ethernet communication.

What are the physical dimensions?

The drive measures 180 × 385 × 249 mm.

How much does the drive weigh?

The approximate weight is 10.2 kg.

Which motors are supported?

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

Which Ethernet protocols are supported?

The integrated communication interface supports EtherNet/IP, Modbus TCP, and Modbus Serial, allowing seamless integration with modern automation platforms.

Which industries typically use this drive?

The drive is widely used in CNC machining, robotics, packaging, logistics automation, textile manufacturing, food processing, printing, water treatment, material handling, and OEM machine building.

Does the drive improve energy efficiency?

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

Which protection features are included?

The drive includes overload protection, thermal protection, overvoltage and undervoltage protection, phase-loss detection, short-circuit protection, Safe Torque Off (STO), and advanced diagnostic monitoring.

What should engineers verify before installation?

Engineers should verify power supply specifications, motor parameters, Ethernet network configuration, grounding, cabinet ventilation, wiring integrity, communication settings, and operating environment before commissioning.

Conclusion

The Schneider ATV340D22N4E Variable Speed Drive is a robust 22 kW industrial AC drive developed for high-performance machine automation and precision motor control. Its integrated Ethernet connectivity, advanced vector control technology, functional safety features, and comprehensive protection capabilities make it an ideal solution for modern smart manufacturing systems.

With dimensions of 180 × 385 × 249 mm and an approximate weight of 10.2 kg, the drive is well suited for cabinet-mounted installations requiring reliable communication, accurate motor regulation, and long-term operational performance.

When integrated with compatible PLCs, HMIs, Industrial Ethernet networks, AC motors, sensors, and automation equipment, the ATV340D22N4E delivers outstanding speed accuracy, improved productivity, lower maintenance costs, and dependable operation across a broad range of industrial applications.