SCHNEIDER ATV930D18N4Z High Efficiency Pump Frequency Drive Converter 33.4A 18.5kW

The SCHNEIDER ATV930D18N4Z is a high-efficiency pump frequency drive converter engineered for demanding industrial applications. This robust unit boasts a 33.4A current rating and a powerful 18.5kW motor output, delivering exceptional performance and energy savings. Its advanced design prioritizes reliability, ease of integration, and intelligent control, making it a superior choice for optimizing pump operations across various sectors. Key advantages include its superior energy efficiency, comprehensive protection features, and seamless integration capabilities within modern automation systems.

Product Specifications

| Parameter                 | Value                 |

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

| Model Number              | ATV930D18N4Z          |

| Rated Current             | 33.4A                 |

| Motor Power Output (kW)   | 18.5 kW               |

| Input Voltage             | 380-400 V             |

| Output Voltage            | 380-400 V             |

| IP Rating                 | IP55                  |

| Communication Protocols   | Modbus, EtherNet/IP   |

| Ambient Temperature Range | -15°C to 50°C         |

Core Features & Market Positioning

The SCHNEIDER ATV930D18N4Z stands out in the competitive variable speed drive market due to its integrated advanced functionalities. Its sophisticated motor control algorithms ensure precise speed regulation and torque delivery, crucial for maintaining optimal pump performance and extending equipment lifespan. The drive's high efficiency rating directly translates to reduced operational costs through significant energy savings, a critical consideration for industrial facilities aiming to improve their bottom line and environmental footprint. Furthermore, its robust IP55 enclosure provides excellent protection against dust and water ingress, enabling reliable operation in harsh industrial environments. Schneider Electric's reputation for quality and innovation further solidifies the ATV930D18N4Z's market position as a dependable and technologically advanced solution for pump control.

Key Application Scenarios

This frequency drive converter is ideally suited for a wide array of pump applications. In water and wastewater management, it enables precise flow control, minimizing energy consumption and preventing water hammer. For HVAC systems, the ATV930D18N4Z facilitates efficient climate control by adjusting fan and pump speeds to match demand, leading to substantial energy savings. In the oil and gas sector, it provides reliable and safe operation for various pumping duties, including crude oil transfer and chemical injection. Its versatility also extends to the food and beverage industry for process fluid handling and to the mining industry for slurry pumping, where consistent and controlled operation is paramount.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV930D18N4Z into existing systems is streamlined due to its comprehensive connectivity options. The drive supports standard Modbus and EtherNet/IP communication protocols, allowing for easy integration with Programmable Logic Controllers (PLCs) and Supervisory Control and Data Acquisition (SCADA) systems. Wiring should follow electrical code standards, ensuring proper grounding and connection to the motor and power supply. Initial setup involves configuring motor parameters, application profiles, and desired control modes via the drive's intuitive interface or optional remote keypad. Programming examples for common pump control sequences, such as PID loop integration for pressure or flow regulation, are readily available in the technical documentation.

Operation and Risk Mitigation

Safe operation of the SCHNEIDER ATV930D18N4Z requires adherence to safety guidelines outlined in the user manual. Proper installation, including adequate ventilation and safeguarding against electrical hazards, is essential. The drive incorporates numerous protection functions, including motor overload, undervoltage, overvoltage, and short-circuit protection, to prevent damage to the motor and the drive itself. Common troubleshooting steps involve checking parameter settings, verifying motor connections, and monitoring diagnostic information displayed on the drive. Critical error codes, such as "Motor Overload" (LError) or "External Fault" (F101), indicate specific issues that require attention as detailed in the fault code table.

Scalability & Long-Term Value

The SCHNEIDER ATV930D18N4Z offers significant scalability and long-term value within an industrial automation framework. Its compatibility with Schneider Electric's EcoStruxure™ platform facilitates integration with IIoT solutions, enabling remote monitoring, predictive maintenance, and advanced analytics. This connectivity allows for optimizing pump performance over time and anticipating potential issues before they lead to downtime. The drive's modular design and availability of optional communication cards ensure that systems can be easily expanded or upgraded as operational needs evolve. This future-proofing capability, combined with the drive's inherent energy efficiency and robust construction, ensures a strong return on investment throughout its operational life.

Frequently Asked Questions

What is the maximum motor size this drive can control?

The SCHNEIDER ATV930D18N4Z is rated for 18.5kW, making it suitable for motors within this power range. It efficiently manages pump motors up to this capacity.

This drive offers precise control for applications requiring robust motor management. It is ideal for pumps with demanding operational profiles.

Ensure motor nameplate data precisely matches the drive's power rating for optimal performance. Consult documentation for detailed motor compatibility charts.

How do I connect the ATV930D18N4Z to a PLC?

It supports Modbus and EtherNet/IP protocols for PLC communication. Use the appropriate communication card and cabling.

Configure the drive's communication parameters to match your PLC's settings. Establish a stable data exchange for control and monitoring.

Refer to the manual for specific wiring diagrams and communication setup examples. This ensures seamless integration into your automation system.

What are the main benefits of using this frequency drive?

High energy efficiency significantly reduces operational costs. It offers precise speed control and enhanced motor protection.

The drive's advanced features improve pump performance and reliability. It minimizes wear and tear on mechanical components.

Its robust design ensures longevity in harsh industrial environments. This leads to lower maintenance requirements and increased uptime.

Can this drive be used for constant pressure applications?

Yes, it features integrated PID control for constant pressure regulation. This eliminates the need for external controllers.

Configure the PID parameters to achieve stable and accurate pressure output. The drive automatically adjusts pump speed to maintain setpoints.

This functionality is crucial for systems like VFD water supply where consistent pressure is vital. It optimizes system efficiency and user comfort.

What safety features are included in the ATV930D18N4Z?

It includes comprehensive motor overload and short-circuit protection. It also provides undervoltage and overvoltage fault detection.

The drive can be programmed for emergency stop functions and safe torque-off capabilities. This enhances personnel and equipment safety.

Always ensure proper grounding and installation to maximize the effectiveness of these safety features. Adhere strictly to safety standards.

How does this drive handle motor overload conditions?

The drive monitors motor current and temperature to detect overload. It will then ramp down the motor or trip as per configuration.

Configurable overload limits prevent motor damage. The specific reaction time and trip level can be adjusted.

Error codes will clearly indicate motor overload events for diagnosis. This allows for prompt corrective action and system analysis.

What is the IP rating and its significance?

The IP55 rating signifies protection against dust ingress and water jets. This makes it suitable for dusty and wet environments.

This robust enclosure ensures reliable operation in challenging industrial settings. It reduces the risk of failure due to environmental factors.

It indicates that the drive can withstand high-pressure washdowns in certain conditions. Always confirm specific limitations in the manual.

How can I optimize energy savings with this drive?

Properly size the drive for the application to avoid oversizing. Utilize energy-saving modes and optimize speed profiles.

Implement a tuned PID control loop for precise flow and pressure management. This prevents unnecessary energy expenditure.

Regularly monitor energy consumption data provided by the drive. Adjust parameters as needed to maximize efficiency gains over time.

What communication protocols are supported?

It supports Modbus and EtherNet/IP for industrial networking. These are widely adopted standards for automation.

These protocols allow for seamless integration with various PLCs and HMI systems. This enables centralized control and data acquisition.

Ensure your control system is compatible with these protocols for successful communication. Verify correct configuration of network settings.

What is the typical lifespan of this drive?

With proper installation and maintenance, these drives typically last 10-15 years. The robust design contributes to longevity.

Regular inspections and adherence to operating parameters extend lifespan. Avoid operating outside specified environmental conditions.

Schneider Electric offers extended warranties and service plans for added peace of mind. This ensures long-term operational reliability.