SCHNEIDER ATV930U55N4 High Power Pump Control VFD Frequency Converter 10.4A 5.5kW

The SCHNEIDER ATV930U55N4 is a robust Variable Frequency Drive (VFD) engineered for high-power pump control, delivering 5.5kW of power with a precise 10.4A output. This advanced Altivar Process drive is designed for demanding industrial environments, offering superior energy efficiency, enhanced motor protection, and seamless integration into complex automation systems. Its sophisticated control algorithms ensure optimal pump performance across a wide range of applications, from water management to oil and gas operations.

Product Specifications

| Parameter                | Value                               |

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

| Model Number             | ATV930U55N4                         |

| Power Rating             | 5.5 kW                              |

| Output Current           | 10.4 A                              |

| Input Voltage            | 380-400 V AC                        |

| Output Voltage           | 380-400 V AC                        |

| Output Frequency         | 0-599 Hz                            |

| Protection Class         | IP55 / UL Type 12                   |

| Ambient Temperature Range| -20°C to +50°C (derating above 40°C)|

| Dimensions (H x W x D)   | 500 mm x 230 mm x 260 mm            |

| Weight                   | 18 kg                               |

Core Features & Market Positioning

The SCHNEIDER ATV930U55N4 stands out in the competitive VFD market due to its advanced process-driven features and robust design. It offers exceptional torque control, energy-saving functionalities, and integrated safety features, positioning it as a premium solution for critical pump applications. Its ability to adapt to varying load conditions and optimize motor speed minimizes energy consumption, directly impacting operational costs. The drive's robust construction, with an IP55 rating, ensures reliable performance even in harsh industrial settings, differentiating it from less resilient competitors.

Key Application Scenarios

This high-power pump control VFD is ideally suited for a multitude of industrial applications where precise flow and pressure management are paramount. Its versatility makes it an excellent choice for centrifugal and positive displacement pumps in water treatment plants, wastewater management systems, and irrigation networks. Furthermore, it finds significant utility in the oil and gas industry for applications such as crude oil transfer and process fluid circulation, as well as in the chemical processing sector for managing viscous fluid transfer. The SCHNEIDER ATV930U55N4 excels in scenarios requiring variable speed operation to match system demand, thereby enhancing efficiency and reducing wear on mechanical components.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV930U55N4 into existing or new systems is streamlined by its intuitive design and comprehensive communication options. For installation, ensure adequate ventilation and adherence to local electrical codes. Wiring involves connecting the incoming power supply to the main terminals, the motor to the output terminals, and any necessary control signals. The drive supports various communication protocols, including EtherNet/IP and Modbus, facilitating seamless integration with SCADA and PLC systems. Basic parameter configuration for pump applications typically involves setting motor data, ramp times, and speed references. Advanced users can leverage the drive's extensive parameter menu for fine-tuning performance, implementing PID control loops for automated pressure or flow regulation, and configuring protective functions.

Operation and Risk Mitigation

Operating the SCHNEIDER ATV930U55N4 requires adherence to safety protocols to mitigate potential risks. Always ensure the drive is de-energized before performing any maintenance or wiring. Common operational parameters to monitor include motor temperature, current draw, and voltage levels. Fault codes provide critical diagnostic information; for instance, an "Overcurrent" fault (often represented by code F001) may indicate a motor overload or a short circuit, requiring immediate investigation. "Overvoltage" (F002) might suggest issues with the incoming power supply or regenerative braking. Proper commissioning and parameter setup are crucial for preventing nuisance tripping and ensuring the longevity of both the VFD and the connected motor.

Scalability & Long-Term Value

The SCHNEIDER ATV930U55N4 offers significant scalability and long-term value within the Industrial Internet of Things (IIoT) ecosystem. Its robust communication capabilities allow for easy integration with plant-wide automation platforms and cloud-based monitoring solutions, enabling predictive maintenance and remote diagnostics. The Altivar Process range is designed with future upgrades in mind, ensuring compatibility with evolving industry standards and technologies. By optimizing energy consumption and reducing mechanical stress on pumps, this VFD contributes to lower operational expenditures and extended equipment lifespan, providing a strong return on investment over its operational life.

FAQs

Q1: What are the primary benefits of using the SCHNEIDER ATV930U55N4 for pump control?

The ATV930U55N4 offers significant energy savings by precisely matching motor speed to demand. It enhances system efficiency and reduces water hammer effects common with direct-on-line starts. Its advanced motor protection features extend equipment lifespan and minimize downtime.

This VFD provides superior process control, allowing for precise regulation of flow and pressure in critical applications. It integrates advanced diagnostic capabilities for proactive maintenance and troubleshooting.

The drive's robust IP55 rating ensures reliable operation in harsh industrial environments, from dusty factories to humid processing plants.

Q2: What are the key technical specifications of the SCHNEIDER ATV930U55N4?

This VFD is rated for 5.5 kW of power and delivers a continuous output current of 10.4 A. It operates on a 380-400 V AC input voltage, providing a 380-400 V AC output to the motor.

The output frequency range is adjustable from 0 to 599 Hz, allowing for wide operational flexibility. It features an IP55 / UL Type 12 protection rating for dust and water resistance.

Its operating ambient temperature range is -20°C to +50°C, with potential derating above 40°C. The physical dimensions are 500mm (H) x 230mm (W) x 260mm (D) and it weighs approximately 18 kg.

Q3: In which industries can the SCHNEIDER ATV930U55N4 be effectively applied?

This VFD is widely used in water and wastewater treatment facilities for pump and fan control. It is also integral to irrigation systems requiring variable flow rates.

The oil and gas sector benefits from its use in crude oil transfer, chemical injection, and process fluid circulation applications. Chemical processing plants utilize it for managing the transfer of various fluids.

Its robust performance makes it suitable for HVAC systems in large commercial buildings and industrial manufacturing processes where precise motor speed control is essential.

Q4: How does the SCHNEIDER ATV930U55N4 contribute to energy efficiency?

The drive enables precise speed control, allowing pumps to operate only at the speed required for the specific task. This eliminates energy wastage associated with running pumps at full speed unnecessarily.

Variable speed operation reduces mechanical stress on pump components, leading to lower maintenance costs and longer equipment life, indirectly contributing to overall operational efficiency.

By eliminating the high inrush current associated with direct-on-line motor starts, the ATV930U55N4 helps to reduce peak demand charges from utility providers.

Q5: What communication protocols does the SCHNEIDER ATV930U55N4 support for system integration?

The drive supports industry-standard industrial Ethernet protocols such as EtherNet/IP for seamless integration into modern automation networks. It also includes Modbus TCP/IP and Modbus serial communication options.

These protocols allow for real-time data exchange, remote monitoring, diagnostics, and control of the VFD from a central control system like a PLC or SCADA.

Support for these diverse protocols ensures compatibility with a wide range of automation hardware and software, facilitating flexible system design and implementation.

Q6: What are common troubleshooting issues and fault codes for this VFD?

A common fault is "Overcurrent" (e.g., F001), often caused by motor overload, rapid acceleration, or short circuits. This requires checking the motor load and wiring integrity.

"Overvoltage" (e.g., F002) or "Undervoltage" (e.g., F003) faults typically relate to power supply fluctuations. Verify the incoming voltage stability and check for regenerative braking issues.

"Motor Overheating" (e.g., F007) faults necessitate checking motor thermal parameters, ambient temperature, and ensuring adequate cooling for the drive and motor.

Q7: How can the SCHNEIDER ATV930U55N4 be protected against environmental factors?

The VFD comes with an IP55 enclosure, providing significant protection against dust ingress and low-pressure water jets. This allows it to be installed in many industrial environments without additional enclosures.

For extremely harsh conditions, consider installing the drive in a control cabinet that provides further protection against corrosive elements or high-pressure water sprays. Ensure proper ventilation within the cabinet.

Regular cleaning of the drive's ventilation openings is recommended to prevent dust buildup, which can lead to overheating and performance degradation.

Q8: What safety features are integrated into the SCHNEIDER ATV930U55N4?

The drive incorporates a Safe Torque Off (STO) function, which provides a reliable safety mechanism to prevent unexpected motor starts during maintenance or emergency situations. This is a critical safety component.

It offers comprehensive motor protection, including overload, overvoltage, undervoltage, phase loss, and ground fault protection, safeguarding both the motor and the drive itself.

The ATV930U55N4 allows for parameterization of safety limits, such as maximum speed and acceleration/deceleration ramps, to ensure the system operates within safe operational boundaries.

Q9: Can this VFD be used with different types of motors?

Yes, the SCHNEIDER ATV930U55N4 is designed to control various types of AC motors, including standard asynchronous (induction) motors. It offers different control modes to optimize performance for different motor characteristics.

It supports advanced control algorithms like sensorless vector control, which provides high torque and accurate speed regulation even without motor feedback. This makes it versatile for a wide range of motor applications.

Ensure that the motor's nameplate data (voltage, current, power, frequency, poles) are accurately entered into the VFD's parameters during commissioning for optimal performance and protection.

Q10: How does the Altivar Process range contribute to IIoT integration?

The Altivar Process series, including the ATV930U55N4, is engineered for enhanced connectivity and data acquisition. Its embedded communication options facilitate seamless integration with IIoT platforms.

It allows for real-time data streaming related to motor performance, energy consumption, and drive status, enabling predictive maintenance and remote monitoring capabilities. This data can be used for process optimization.

By providing access to critical operational data, the ATV930U55N4 supports smart factory initiatives, enabling greater operational visibility, efficiency, and the implementation of advanced analytics for improved decision-making.