Schneider ATV312HD11N4 Variable Speed Drive

Product Overview

The Schneider ATV312HD11N4 is part of the trusted Altivar 312 series of variable speed drives (VSDs), engineered to deliver efficient and high-performance motor control in a compact, robust form factor. This drive is suitable for controlling three-phase asynchronous motors across a wide variety of applications, including HVAC, materials handling, pumping systems, and general machinery automation.

With advanced motor control capabilities, built-in safety functions, and support for fieldbus communication, the ATV312HD11N4 helps users optimize energy efficiency, improve process precision, and minimize equipment wear and tear.

Key Features

• Compact design suitable for control cabinets and machine panels

• Sensorless vector control for accurate torque and speed regulation

• Safe Torque Off (STO) integrated for machine safety compliance

• Embedded EMC filter compliant with EN/IEC 61800-3

• Dynamic braking support for rapid deceleration

• Optional communication interfaces: Modbus, CANopen

• Integrated keypad with multi-line LCD display

• User-configurable logic and timers

• Energy-saving operation through intelligent motor adaptation

• Suitable for demanding industrial environments

Technical Specifications

Industry Applications

• HVAC Systems: Fan, blower, and pump speed control

• Material Handling: Conveyor drives, lifts, and hoists

• Water/Wastewater: Pumping and pressure regulation

• Food and Beverage: Process control for mixers and packaging lines

• Machinery Automation: CNC machines, drills, extruders

• Textile Industry: Speed control in weaving and spinning machinery

Product Advantages

• High Precision Control: Sensorless vector control ensures stable torque across speed ranges

• Energy Efficiency: Reduces energy consumption by optimizing motor performance

• Compact Installation: Slim design fits into limited-space control enclosures

• Built-in Safety: STO function improves operator and machine safety without external relays

• Reliable Communications: Easily integrates into industrial networks with Modbus/CANopen

• Diagnostic Capabilities: Real-time monitoring and built-in protection against overvoltage, overload, overheating

• Versatile Mounting Options: DIN rail or panel mounting supported

• Reduced Downtime: Fast replacement and auto-tuning for simplified startup

• Compliance Ready: CE and UL certified for global industrial use

• Long Motor Cable Support: Accommodates extended cable lengths for remote motor installations

Frequently Asked Questions (FAQ)

1. Q: Can the ATV312HD11N4 be mounted vertically or horizontally?
   A: It is designed for vertical mounting to ensure proper ventilation and heat dissipation.

2. Q: Is the braking resistor built-in or external?
   A: The drive includes a built-in dynamic braking transistor; an external resistor may be added.

3. Q: What display interface does it offer?
   A: A multi-line LCD with keypad for direct programming and monitoring.

4. Q: Does this drive support CANopen communication?
   A: Yes, via optional communication modules.

5. Q: Is STO certification available on this model?
   A: Yes, STO (Safe Torque Off) is certified and integrated.

6. Q: Can it be used with shielded and unshielded motor cables?
   A: Yes, up to 50 m for shielded and 100 m for unshielded cables.

7. Q: What environments is it suitable for?
   A: It is designed for industrial indoor environments with controlled temperature and dust levels.

8. Q: Does the ATV312HD11N4 support automatic motor tuning?
   A: Yes, it supports auto-tuning for optimized performance.

9. Q: What’s the primary benefit over smaller Altivar models?
   A: Higher output current and expanded features for larger motors and demanding loads.

10. Q: Can this drive be used in OEM machine designs?
    A: Absolutely, its compact size, configurability, and robust features make it ideal for OEM integration.

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