SCHNEIDER ATV930U30N4 ATV930 Inverter with Pump Protection Frequency 5.8A 3kW

The SCHNEIDER ATV930U30N4 is a high-performance variable frequency drive (VFD) engineered for demanding industrial applications, offering robust pump protection and precise motor control. With a 3kW power rating and a 5.8A continuous current output, this inverter is designed to optimize energy efficiency and enhance operational reliability in various fluid management systems. Its advanced features include integrated safety functions, sophisticated control algorithms, and seamless integration capabilities, positioning it as a superior choice for modern industrial automation.

Product Specifications

| Parameter                 | Value                                    |

| :------------------------ | :--------------------------------------- |

| Model Number              | ATV930U30N4                              |

| Rated Power               | 3 kW                                     |

| Rated Current             | 5.8 A                                    |

| Voltage                   | 380-415 V AC (3-Phase)                   |

| Frequency Output          | 0-599 Hz                                 |

| Protection                | Integrated Pump Protection               |

| Enclosure Type            | IP21 (Standard) / Optional IP4X, IP54    |

| Mounting Type             | Wall-mount, Side-by-side mount           |

| Communication Protocols   | Modbus, EtherNet/IP, Profibus DP, etc. |

| Operating Temperature     | -15°C to +50°C (derating may apply)       |

Core Features & Market Positioning

The SCHNEIDER ATV930U30N4 stands out in the competitive VFD market due to its advanced control performance and comprehensive protection features. It leverages Altivar Process's "Beyond the Drive" philosophy, integrating intelligent services for enhanced asset management and operational insights. Its robust design ensures durability in harsh industrial environments, while sophisticated motor control algorithms, including Permanent Magnet motor control, deliver exceptional efficiency and torque accuracy. This positions the ATV930 series as a premium solution for applications demanding high reliability and energy savings, particularly in water management and process industries.

Key Application Scenarios

This inverter is ideally suited for a wide array of pumping applications within the industrial sector. Its primary use cases include centrifugal and positive displacement pump control in water and wastewater treatment plants, where precise flow and pressure regulation are critical. It excels in building automation for HVAC systems, managing pump speed to maintain desired temperatures and reduce energy consumption. Furthermore, the ATV930U30N4 is effective in oil and gas exploration, chemical processing, and general manufacturing where reliable fluid transfer is essential. Its pump protection features actively mitigate common issues like dry running and cavitation, prolonging equipment life.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV930U30N4 into existing systems is streamlined by its flexible architecture and comprehensive connectivity options. The drive supports multiple communication protocols, allowing seamless integration with SCADA, PLC, and building management systems. For initial setup, users can utilize the integrated control panel or the SoMove mobile application for parameter configuration and commissioning. Wiring should strictly follow the installation manual, ensuring proper grounding and connection of power and control circuits. For example, a typical wiring setup would involve connecting the 3-phase power supply to the input terminals, the motor to the output terminals, and configuring the analog input for speed reference from a sensor.

Operation and Risk Mitigation

Safe and efficient operation of the SCHNEIDER ATV930U30N4 requires adherence to standard industrial safety protocols. Key considerations include ensuring proper ventilation to prevent overheating and utilizing the integrated safety functions, such as Safe Torque Off (STO), to protect personnel during maintenance. Common troubleshooting involves checking error codes displayed on the HMI. For instance, an "OFL" (Overload) fault typically indicates the motor is drawing more current than rated, possibly due to mechanical issues or undersized motor. Implementing the pump protection features, like dry-run detection, significantly reduces the risk of catastrophic pump failure.

Scalability & Long-Term Value

The SCHNEIDER ATV930U30N4 offers excellent scalability and long-term value through its compatibility with Schneider Electric's EcoStruxure platform. This integration enables advanced diagnostics, predictive maintenance, and remote monitoring capabilities, aligning with Industry 4.0 initiatives. The modular design allows for easy upgrades and expansion with optional communication cards or accessories, ensuring the drive can adapt to evolving system requirements. Its robust build quality and energy-saving performance contribute to a lower total cost of ownership over the product's lifecycle.

FAQs

Q1: What is the primary function of the SCHNEIDER ATV930U30N4?

The SCHNEIDER ATV930U30N4 is a variable frequency drive designed to control motor speed precisely. It optimizes energy consumption by adjusting motor output to match the required load, especially in pumping applications.

This inverter offers integrated pump protection features to prevent operational damage and extend equipment lifespan. It ensures reliable performance in demanding industrial environments and fluid management systems.

Its core function involves converting fixed frequency AC power to variable frequency and voltage, allowing for efficient and controlled operation of AC motors across various industrial processes.

Q2: What are the main advantages of using this inverter for pump applications?

It provides significant energy savings by matching motor speed to actual demand, reducing wasted power. The drive's advanced control algorithms optimize pump efficiency.

The integrated pump protection safeguards against issues like dry running, cavitation, and overload, minimizing downtime and repair costs. This enhances system reliability.

It offers precise control over flow and pressure, leading to improved process consistency and reduced wear on mechanical components. This contributes to overall operational excellence.

Q3: Can the ATV930U30N4 be integrated with existing automation systems?

Yes, the ATV930U30N4 supports a wide range of communication protocols like Modbus, EtherNet/IP, and Profibus. This ensures seamless integration with PLCs and SCADA systems.

Its flexible architecture allows for easy connection to building management systems or other central control platforms. Configuration can be done via its interface or mobile app.

Integration facilitates centralized monitoring, control, and data acquisition, enabling advanced diagnostics and predictive maintenance capabilities within an industrial network.

Q4: What is the IP rating of the SCHNEIDER ATV930U30N4 and what does it mean for installation?

The standard IP rating for the ATV930U30N4 is IP21, offering protection against solid objects greater than 12.5mm and vertically falling water droplets.

An IP21 rating is suitable for many indoor industrial environments. However, higher IP ratings like IP54 are available as options for applications requiring greater protection against dust and water ingress.

Proper installation within its rated environment is crucial. If a higher level of protection is needed, ensure the correct optional enclosure or rating is specified and installed correctly.

Q5: How do I perform basic troubleshooting for common faults on this inverter?

Consult the drive's display or HMI for specific fault codes (e.g., OFL, LI1, LI2). Refer to the product manual for detailed explanations of each code.

Common faults like overcurrent (OFL) might indicate mechanical binding or motor issues. Under-voltage faults could relate to power supply problems.

Always follow safety procedures, such as disconnecting power, before attempting any physical inspection or troubleshooting of connected equipment.

Q6: What are the power and current ratings of the ATV930U30N4?

The SCHNEIDER ATV930U30N4 has a rated power of 3 kW. This indicates the motor power it can continuously drive.

Its continuous current rating is 5.8 A. This is the maximum current the drive can supply to the motor under normal operating conditions.

These specifications determine the size and type of motor that can be effectively controlled by this specific inverter model.

Q7: What are the voltage requirements for operating the ATV930U30N4?

This inverter operates on a 3-phase AC power supply. The nominal input voltage range is 380 to 415 Volts.

Ensure the incoming power supply matches these voltage requirements to prevent damage to the drive. Incorrect voltage can lead to malfunction or failure.

Always verify the supply voltage at the installation site before connecting the inverter to avoid operational issues or safety hazards.

Q8: Does this inverter support different types of motors?

Yes, the ATV930U30N4 is designed to control various types of AC motors, including standard induction motors. It also supports Permanent Magnet motors.

Its advanced control algorithms allow for optimized performance with different motor technologies, enhancing efficiency and torque control for each.

This versatility makes it suitable for a wide range of applications where motor type may vary or where upgrading to more efficient motor technologies is desired.

Q9: How does the pump protection feature work on the ATV930U30N4?

The drive monitors motor current, voltage, and speed to detect abnormal operating conditions indicative of pump issues. It can identify conditions like dry running by sensing low load or current.

When a fault condition is detected, such as a pump running without fluid, the inverter can automatically shut down the motor to prevent damage. It can also trigger alarms for operator intervention.

This intelligent monitoring reduces the risk of costly repairs and extends the operational life of the pump and motor by preventing damage from improper operation.

Q10: Can this inverter be used in harsh environmental conditions?

The standard ATV930U30N4 has an IP21 rating, suitable for controlled industrial environments. It can operate within a temperature range of -15°C to +50°C, with derating.

For more demanding conditions, optional higher IP-rated enclosures (e.g., IP54) are available, offering enhanced protection against dust and water spray.

Proper installation, including adequate ventilation and protection from excessive moisture or contaminants, is essential for ensuring the longevity and reliable performance of the inverter in any environment.