Product Overview

The Schneider ATV320U22M3C Variable Speed Drive is a compact industrial AC drive from the Altivar Machine ATV320 series, engineered to provide accurate speed, torque, and process control for industrial motors. Designed for machine builders and industrial automation applications, the drive delivers reliable motor performance while improving energy efficiency and production flexibility.

The ATV320 series is widely recognized for its compact design, advanced motor control algorithms, integrated communication capabilities, and comprehensive protection functions. The ATV320U22M3C is suitable for controlling three-phase asynchronous and synchronous motors in a wide variety of industrial applications, including packaging machinery, conveyors, pumps, fans, textile equipment, material handling systems, woodworking machinery, and automated production lines.

By adjusting both output voltage and frequency, the drive enables smooth motor acceleration, stable speed regulation, reduced mechanical stress, and optimized energy consumption. Integrated diagnostic functions simplify commissioning and maintenance while supporting reliable long-term operation.

With compact dimensions of 105 × 143 × 138 mm and an approximate weight of 1.4 kg, the drive is well suited for installation inside industrial control cabinets where available space is limited.

Typical applications include OEM machinery, automated manufacturing equipment, food and beverage processing, pharmaceutical production, logistics systems, HVAC equipment, water treatment facilities, and general industrial automation.

Technical Specifications

Function and Working Principle

The ATV320U22M3C converts fixed-frequency AC input power into a variable-frequency output, allowing precise adjustment of motor speed according to process requirements.

A simplified operating sequence is:

AC Power Supply → Rectifier → DC Bus → Inverter → AC Motor → Industrial Equipment

The internal control system continuously regulates motor output by monitoring operating parameters and adjusting inverter switching accordingly.

Its primary functions include:

• Variable motor speed regulation
• Soft start and soft stop
• Torque optimization
• Energy-saving operation
• Motor overload protection
• Adjustable acceleration and deceleration
• Process control optimization
• Fault detection and diagnostics
• Industrial communication support
• Stable continuous-duty operation

Role in Industrial Automation Systems

The ATV320U22M3C functions as the motor control center within industrial automation systems.

Typical system architecture:

PLC / Industrial Controller

↓

ATV320U22M3C Variable Speed Drive

↓

AC Motor

↓

Mechanical Equipment

↓

Production Process

The drive receives control commands from the PLC or local control system and regulates motor performance according to production requirements.

Industrial Applications

Packaging Machinery

Provides accurate motor speed control for:

• Filling machines
• Labeling equipment
• Wrapping systems
• Cartoning machines
• Conveyor lines

Conveyor Systems

Supports smooth acceleration and deceleration while maintaining stable conveying speed.

Pumping Systems

Optimizes pump performance by matching motor speed to actual process demand, reducing energy consumption.

Fan and Ventilation Equipment

Allows efficient airflow control while minimizing unnecessary electrical consumption.

Textile Machinery

Suitable for spinning, weaving, winding, dyeing, and fabric processing equipment requiring precise motor control.

Food and Beverage Processing

Supports mixers, conveyors, packaging equipment, pumps, and processing machinery.

Material Handling

Widely applied in automated warehouses, logistics centers, lifting equipment, and sorting systems.

OEM Machinery

Frequently integrated into custom industrial machines requiring compact dimensions, reliable motor control, and flexible automation capabilities.

Installation and Commissioning

Before installation, engineers should verify:

• Correct input voltage
• Motor compatibility
• Cabinet ventilation
• Grounding
• Power cable sizing
• Control wiring
• Environmental conditions
• Communication configuration

Recommended Installation Procedure

1. Disconnect system power.
2. Install the drive vertically inside the control cabinet.
3. Connect the three-phase input power.
4. Connect the motor output terminals.
5. Connect protective grounding.
6. Wire the control terminals.
7. Connect communication interfaces if required.
8. Verify all electrical connections.
9. Restore power.
10. Configure motor parameters.
11. Set acceleration and deceleration times.
12. Configure protection settings.
13. Test motor rotation.
14. Verify communication with the automation system.
15. Complete functional commissioning.

Proper installation helps maximize drive reliability and operating efficiency.

Compatible System Components

Recommended Alternative Models

Key Advantages

• Compact Altivar Machine design
• Accurate motor speed regulation
• Stable torque performance
• High operating efficiency
• Reduced energy consumption
• Integrated industrial communication support
• Advanced motor protection
• Easy commissioning
• Flexible machine integration
• Reliable continuous-duty operation
• Suitable for industrial automation
• Simplified maintenance
• Dimensions 105 × 143 × 138 mm
• Approximate weight 1.4 kg

Technical FAQs

What is the Schneider ATV320U22M3C?

The ATV320U22M3C is a Schneider Electric Variable Speed Drive from the Altivar Machine ATV320 family designed for industrial motor speed control.

What is the primary function of this drive?

Its primary function is to regulate motor speed by converting fixed AC input power into variable-frequency output for precise motor control.

What are the dimensions of the drive?

The specified dimensions are 105 × 143 × 138 mm.

What is the approximate weight?

The drive weighs approximately 1.4 kg.

Which motors can be controlled?

The drive is designed for compatible three-phase AC induction motors and synchronous motors used in industrial automation.

Where is this drive commonly installed?

It is typically installed inside industrial control cabinets as part of machine automation systems.

Which industries commonly use this drive?

Typical industries include packaging, material handling, food processing, textile manufacturing, water treatment, HVAC, logistics, woodworking, and OEM machine building.

Does the drive provide motor protection?

Yes. It incorporates multiple protection features that help safeguard the motor and drive during industrial operation.

Can it help reduce energy consumption?

Yes. By matching motor speed to actual process demand, the drive can improve energy efficiency and reduce unnecessary power consumption.

What should be checked before replacing the drive?

Engineers should verify the motor specifications, supply voltage, control configuration, communication requirements, cabinet space, wiring arrangement, and application compatibility before installation.

Conclusion

The Schneider ATV320U22M3C Variable Speed Drive is a compact and reliable motor control solution for modern industrial automation systems. It provides accurate speed regulation, efficient energy management, advanced protection functions, and dependable performance for a wide range of industrial applications.

With dimensions of 105 × 143 × 138 mm and an approximate weight of 1.4 kg, the drive is ideal for cabinet installations where space is limited while maintaining excellent control performance.

When integrated with compatible PLCs, HMIs, AC motors, sensors, communication networks, and industrial control systems, the ATV320U22M3C delivers stable operation, improved productivity, reduced maintenance requirements, and long-term reliability for demanding industrial environments.