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- ATV320U11N4C
- Variable Speed Drive
- France
- 142 x 158 x 105 mm
- 1.3 kg
- Xiamen, China
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Product Overview
The Schneider ATV320U11N4C is a compact and high-efficiency Variable Speed Drive (VSD) from the Altivar Machine ATV320 series, designed for precise motor control in industrial automation and OEM machine applications. It supports both asynchronous and synchronous motors and provides advanced control performance, energy savings, and integrated safety functions in a compact housing design.
With a rated motor power of 1.1 kW (1.5 HP), the ATV320U11N4C is suitable for small conveyors, packaging machines, pumps, fans, and light industrial automation systems requiring stable and accurate speed control.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV320U11N4C |
| Product Type | Variable Speed Drive (VSD) |
| Series | Altivar Machine ATV320 |
| Dimensions | 142 × 158 × 105 mm |
| Weight | 1.3 kg |
| Rated Motor Power | 1.1 kW (1.5 HP) |
| Input Voltage | 380–500 V AC, 3-Phase |
| Input Frequency | 50/60 Hz |
| Rated Output Current | 3.0 A |
| Output Voltage | 0–500 V AC |
| Output Frequency Range | 0.1–599 Hz |
| Motor Compatibility | Asynchronous and Synchronous Motors |
| Control Method | V/F Control, Sensorless Flux Vector Control |
| Communication Protocols | Modbus RTU, CANopen |
| Optional Communication | EtherNet/IP, Profinet, EtherCAT, Profibus DP, DeviceNet |
| Safety Function | Safe Torque Off (STO) |
| Digital Inputs | 7 |
| Digital Outputs | 3 |
| Analog Inputs | 3 |
| Analog Outputs | 1 |
| Protection Rating | IP20 |
| Cooling Method | Forced-Air Cooling |
| Mounting Type | Compact Panel Mount |
| Operating Temperature | -10°C to +60°C |
| Application | Industrial Automation and OEM Machinery |
Function and Working Principle
The ATV320U11N4C regulates motor speed by adjusting output voltage and frequency according to load requirements. This enables precise motor control, improved energy efficiency, and smooth machine operation.
Main Functions
- Variable speed motor control
- Sensorless vector control for improved torque performance
- Energy-efficient operation under varying loads
- Smooth acceleration and deceleration control
- Integrated motor protection (overload, thermal, overcurrent)
- Safe Torque Off (STO) safety function
- Communication with PLC and industrial control systems
Working Principle
The drive converts incoming AC power into DC through a rectifier stage. The inverter then generates a variable-frequency AC output, controlling motor speed and torque precisely. This process reduces mechanical stress, improves efficiency, and ensures stable machine performance.
Role in Industrial Automation Systems
The ATV320U11N4C plays a key role in automation systems by:
- Providing accurate motor speed regulation
- Reducing energy consumption and operating costs
- Increasing equipment lifespan through soft control
- Supporting compact OEM machine designs
- Integrating easily with PLC, HMI, and industrial networks
- Ensuring stable operation in continuous production environments
Its compact design makes it particularly suitable for installations where space is limited.
Industrial Applications
The ATV320U11N4C is widely used in:
- Small conveyor systems
- Packaging and labeling machines
- Industrial pumps
- Ventilation fans and blowers
- Food processing equipment
- Textile machinery
- OEM automation systems
- Light-duty material handling equipment
- Small production lines
Installation and System Integration
Proper installation ensures optimal performance and long-term reliability:
- Install vertically in a control cabinet
- Ensure sufficient ventilation space around the drive
- Connect to a three-phase 380–500V AC supply
- Use correct grounding and EMC practices
- Configure motor parameters during commissioning
- Verify communication settings before operation
- Apply suitable circuit protection devices
Compatible Components and Modules
The ATV320U11N4C is commonly integrated with:
- Schneider Modicon PLC systems
- Industrial HMI operator panels
- Three-phase induction motors
- Permanent magnet synchronous motors
- Motor protection circuit breakers
- Contactors and overload relays
- Modbus RTU and CANopen networks
- Optional Ethernet-based communication modules (EtherNet/IP, Profinet, EtherCAT, etc.)
- Remote I/O systems
Recommended Alternative Models
| Model | Product Type | Key Feature | Recommended Application |
|---|---|---|---|
| ATV320U07N4C | Variable Speed Drive | 0.75 kW compact version | Smaller OEM machines |
| ATV320U11N4B | Variable Speed Drive | Book-style compact design | Standard OEM applications |
| ATV320U15N4C | Variable Speed Drive | Higher power (1.5 kW) | Medium-duty machinery |
| ATV310H11N4A | Variable Speed Drive | Cost-effective solution | General-purpose motor control |
| ATV340U11N4 | Variable Speed Drive | Advanced performance control | High-precision automation |
Key Advantages
- Compact industrial design for space-saving installation
- Supports motors up to 1.1 kW
- Advanced sensorless vector control technology
- Integrated Safe Torque Off (STO)
- Flexible industrial communication options
- High energy efficiency
- Strong motor protection functions
- Easy installation and commissioning
- Suitable for OEM and light industrial automation
- Reliable continuous operation capability
Technical FAQs
What is the main function of the ATV320U11N4C?
It provides precise speed and torque control for 1.1 kW motors, improving efficiency and process stability.
What motor types does it support?
It supports both asynchronous and synchronous three-phase motors.
Does it include safety features?
Yes, it includes the Safe Torque Off (STO) function for safe operation.
What communication protocols are available?
Standard: Modbus RTU and CANopen. Optional: EtherNet/IP, Profinet, EtherCAT, Profibus DP, DeviceNet.
Is it suitable for compact installations?
Yes, its small footprint (142 × 158 × 105 mm) makes it ideal for space-limited panels and OEM machines.
Conclusion
The Schneider ATV320U11N4C Variable Speed Drive is a compact, efficient, and reliable motor control solution designed for modern industrial automation systems. With 1.1 kW power capacity, advanced vector control, integrated safety features, and flexible communication options, it delivers precise performance, energy savings, and dependable operation across a wide range of OEM and light industrial applications.