SCHNEIDER ATV930D18N4 ATV930 Drive Frequency Converter 33.4A 18.5kW

The SCHNEIDER ATV930D18N4 is a robust variable frequency drive (VFD) engineered for demanding industrial applications, offering exceptional control, energy efficiency, and reliability. This 18.5kW, 33.4A converter boasts advanced features designed to optimize motor performance and reduce operational costs. Its key advantages lie in its superior motor control algorithms, comprehensive protection features, and seamless integration capabilities within sophisticated automation systems. The ATV930 series, including the ATV930D18N4, is a cornerstone for modern industrial automation, providing precise speed and torque management for a wide array of machinery.

Product Specifications

| Parameter              | Value                                   |

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

| Product Name           | SCHNEIDER ATV930D18N4                   |

| Rated Power            | 18.5 kW (25 hp)                         |

| Rated Current          | 33.4 A                                  |

| Input Voltage          | 380-415 V, 3 Phase                        |

| Output Voltage         | 0-Input Voltage                         |

| Frequency Range        | 0.1 to 599 Hz                           |

| Protection Class       | IP21 (Standard), IP4X/IP54 (Optional) |

| Operating Temperature  | -15°C to 50°C                           |

| Dimensions (H x W x D) | 461 x 240 x 277 mm                      |

| Weight                 | 15 kg                                   |

Core Features & Market Positioning

The SCHNEIDER ATV930D18N4 distinguishes itself through its advanced Variable Torque (VT) and Constant Torque (CT) control modes, allowing for optimized energy savings and precise process management across various applications. Its integrated safety functions, such as Safe Torque Off (STO), enhance operational safety and reduce the need for external safety components, a significant differentiator in the industrial VFD market. The drive's embedded connectivity options, including Modbus TCP/IP and Ethernet/IP, facilitate straightforward integration into existing industrial networks and supervisory control systems, positioning it as a high-performance solution for smart manufacturing environments. Schneider Electric's reputation for reliability and robust product design further solidifies the ATV930 series' market standing as a premium choice for critical industrial processes.

Key Application Scenarios

This SCHNEIDER ATV930D18N4 frequency converter is ideally suited for a broad spectrum of demanding industrial applications where precise motor control and energy efficiency are paramount. It excels in pump and fan control, managing flow rates and air volumes to match system demands, thereby significantly reducing energy consumption. In material handling, it ensures smooth acceleration and deceleration for conveyors and cranes, preventing mechanical stress and improving throughput. The drive's robust performance also makes it suitable for complex machinery in the process industries, such as extruders, mixers, and centrifuges, where consistent torque and speed are critical for product quality. Its ability to handle high starting torques and operate reliably in harsh environments makes it a versatile solution for general machinery, HVAC systems, and water treatment facilities.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV930D18N4 into an industrial system involves careful consideration of wiring, parameter configuration, and communication setup. For power connections, ensure compliance with local electrical codes, utilizing appropriately sized conductors for the 380-415V, 3-phase input and motor output. The drive supports various motor types, including asynchronous and permanent magnet motors, and proper motor data entry during commissioning is crucial for optimal performance and protection. For communication, the ATV930 series typically employs Modbus RTU as a default protocol, but can be configured for Ethernet/IP, Profinet, or other industrial networks using optional communication cards. Initial parameter setup should focus on motor nominal parameters, application type selection (e.g., pump, fan, standard), and ramp time settings to ensure smooth motor starting and stopping. Diagnostic features and fault logging are accessible via the integrated keypad display or through connected HMI/SCADA systems, aiding in troubleshooting and performance monitoring.

Operation and Risk Mitigation

Operating the SCHNEIDER ATV930D18N4 requires adherence to safety protocols to mitigate risks associated with high voltage and rotating machinery. Before commissioning, ensure all safety guards are in place and that personnel are trained on the drive's emergency stop procedures, including the utilization of the Safe Torque Off (STO) function. Common operational issues can arise from incorrect motor parameterization, leading to overheating or inefficient operation. Reviewing the drive's internal diagnostics and error codes is essential for proactive maintenance. For instance, fault code F301 typically indicates an overcurrent condition, which might stem from a motor fault or an excessively rapid acceleration ramp. Proper ventilation and environmental conditions, as specified in the product manual, are critical to prevent overheating and premature component failure.

Scalability & Long-Term Value

The SCHNEIDER ATV930D18N4 offers significant scalability and long-term value, making it a strategic investment for evolving industrial needs. Its modular design allows for the addition of optional communication cards, enabling seamless integration with emerging IIoT platforms and digital manufacturing initiatives, facilitating remote monitoring and predictive maintenance. The drive is backward compatible with many previous Schneider Electric product lines, simplifying upgrades and replacements within existing infrastructures. Furthermore, its robust construction and advanced thermal management ensure a long operational lifespan, reducing the total cost of ownership. The availability of firmware updates and Schneider Electric's comprehensive support network provide ongoing value and ensure the drive remains at the forefront of technological advancements in motor control.

Frequently Asked Questions (FAQs)

Q1: What are the primary benefits of using the SCHNEIDER ATV930D18N4?

This VFD offers superior energy savings by precisely controlling motor speed. It enhances process efficiency through advanced motor control algorithms. Its integrated safety features simplify system design and improve operator safety.

Q2: How does the SCHNEIDER ATV930D18N4 achieve energy efficiency?

It adjusts motor speed to match load requirements, unlike fixed-speed operation. This reduces power consumption significantly, especially in variable torque applications like pumps and fans. Reduced energy usage lowers operational costs and environmental impact.

Q3: What types of motors can be controlled by the ATV930D18N4?

The drive is designed to control standard asynchronous induction motors. It also supports permanent magnet synchronous motors for enhanced performance. Proper motor data must be programmed for optimal control and protection.

Q4: What are the key features for safety on the ATV930D18N4?

It includes a Safe Torque Off (STO) function, which prevents accidental motor starts. This function is crucial for maintenance and emergency situations. Other safety functions like safe stop and safely limited speed can be configured.

Q5: How is the SCHNEIDER ATV930D18N4 installed in an electrical panel?

Mount the drive vertically in a clean, dry environment with adequate ventilation. Ensure sufficient clearance around the drive for heat dissipation. Follow wiring diagrams precisely for power, motor, and control connections.

Q6: What communication protocols does the ATV930D18N4 support?

It natively supports Modbus RTU for serial communication. Optional modules allow for integration with Ethernet/IP, Profinet, and other fieldbus networks. This enables seamless connectivity with SCADA and PLC systems.

Q7: How do I perform initial parameter setup for the ATV930D18N4?

Access the drive's menu via the keypad or software. Input essential motor nameplate data accurately. Select the correct application type and configure basic ramp times for start/stop.

Q8: What are common troubleshooting steps for ATV930D18N4 faults?

Check the fault code displayed on the drive's interface. Review the manual for the specific fault meaning and recommended actions. Ensure correct wiring, motor health, and adequate cooling.

Q9: Can the ATV930D18N4 be used for regenerative braking applications?

Yes, the ATV930 series can be configured for regenerative operation. It may require additional external braking resistors or a regenerative unit for higher power applications. Consult the manual for specific configuration details.

Q10: What is the typical lifespan of a SCHNEIDER ATV930D18N4 drive?

With proper installation and maintenance, these drives are designed for long-term operation. Lifespans can exceed 10-15 years, depending on operating conditions and duty cycle. Regular inspections help ensure longevity.