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Schneider ATV71HD30N4 frequency converter
Schneider ATV71HD30N4
1. Product Overview
The ATV71HD30N4 belongs to the ATV71 series inverters of Schneider Electric, which is mainly used for precise control of motor speed and torque to adapt to various industrial working conditions. This model is usually equipped with a Chinese panel in the Chinese market, complying with local industrial standards and usage habits.
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2. Key Technical Parameters
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Parameter Category
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Specific Parameters
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Power and Voltage
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30 kW (40 HP); Rated Voltage: 380V AC 3-phase
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Current and Frequency
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Rated Current: 45.3 A; Output Frequency Range: 0.1 Hz – 60 Hz
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Control Characteristics
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Equipped with complete Vector Control; Supports multiple braking methods (such as regenerative braking)
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Communication Interface
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Usually equipped with RS485 or CANopen communication interface; Supports Modbus protocol
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Dimensions
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Standard Panel: 200 x 300 x 140 mm; With Chinese Panel: Slightly larger to accommodate more Chinese characters
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Environmental Adaptability
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Operating Temperature Range: -20℃ – +45℃; Protection Level: IP20
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Special Functions
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Equipped with EMC Filter; Supports multiple fault alarm and protection functions
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3. Product Features
- High Efficiency and Energy Saving: Adopts advanced power electronic technology and vector control algorithm to achieve efficient speed regulation and reduce energy consumption.
- Chinese Human-Machine Interface: Designed specifically for the Chinese market, equipped with a Chinese panel and operation manual, making use and maintenance more intuitive.
- Strong Compatibility: Supports multiple communication protocols, facilitating integration with PLC and SCADA systems to achieve intelligent monitoring.
- Reliable Protection Mechanism: Built-in overload, overcurrent, overvoltage, undervoltage and short-circuit protection to improve the safety of equipment operation.
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4. Structure and Composition
- Main Unit: Includes power module (IGBT module), control circuit board (CPU board) and input/output module.
- Panel: The Chinese panel usually includes parameter setting keys, a display screen (nixie tube or LCD) and status indicator lights.
- Accessories: Optional EMC Filter, Reactor and heat sink, etc.
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5. Typical Application Fields
- General Industrial Automation: Such as metal processing machinery, woodworking machinery, printing machinery, etc.
- Special Machinery: Such as CNC machine tools, packaging machinery, textile machinery.
- Energy and Environmental Protection: Such as fan drive, pump speed regulation, wastewater treatment systems.
- Transportation Systems: Such as elevators, conveyors, escalators.
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6. Installation and Maintenance Recommendations
Installation
- Environmental Requirements: Install in a dry, well-ventilated cabinet, avoiding direct sunlight or humid environments.
- Wiring: Wire strictly in accordance with the electrical drawings to ensure reliable grounding and consistency between the power supply voltage and parameter settings.
- Cooling: Ensure sufficient air circulation around the heat sink to prevent overheating.
Maintenance
- Regular Inspection: Check the wiring terminals for looseness once a month and confirm that the cooling fan is working normally.
- Firmware Upgrade: Pay attention to the firmware updates released by Schneider official, and upgrade in a timely manner to fix known bugs or improve functions.
- Fault Diagnosis: Use the alarm function of the panel or communication software to read fault codes and quickly locate problems.
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