SCHNEIDER ATV630D18N4Z Drive Frequency Converter

The SCHNEIDER ATV630D18N4Z is a high-performance Variable Speed Drive (VSD) engineered for sophisticated industrial automation, offering robust control for asynchronous motors. Its primary advantages lie in energy efficiency, precise motor management, and seamless integration into complex systems. Key features include advanced torque control, integrated safety functions, and a user-friendly interface, making it a superior choice for demanding applications. Technical parameters include a power rating of 18.5 kW, a voltage supply of 400V AC, and an IP20 enclosure rating, designed for reliability and optimal performance in harsh industrial environments.

Product Specifications

| Parameter           | Value                               |

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

| Product Series      | Altivar Process ATV600              |

| Drive Type          | Variable Speed Drive                |

| Model Number        | ATV630D18N4Z                        |

| Rated Power         | 18.5 kW (25 hp)                     |

| Input Voltage       | 380-480 V AC                        |

| Output Voltage      | 380-480 V AC                        |

| Frequency           | 50/60 Hz                            |

| Enclosure Rating    | IP20                                |

| Mounting Type       | Wall-mounted                        |

| Communication Ports | Ethernet/IP, Modbus serial          |

| Control Type        | Sensorless flux vector control      |

| Ambient Temperature | -15 to 50 °C (derating above 40 °C) |

| Dimensions (HxWxD)  | 540 mm x 240 mm x 340 mm            |

| Weight              | 20 kg                               |

Core Features & Market Positioning

The SCHNEIDER ATV630D18N4Z stands out in the industrial VSD market due to its robust sensorless flux vector control, delivering exceptional torque accuracy and dynamic response crucial for applications requiring precise motor speed and torque regulation. Its embedded Ethernet/IP and Modbus serial communication capabilities facilitate seamless integration into modern industrial control networks, positioning it as a forward-thinking solution for smart factory environments. The drive's comprehensive safety features, including Safe Torque Off (STO), enhance operational safety and reduce downtime, aligning with stringent industry safety standards and operational efficiency demands.

Key Application Scenarios

This drive is ideally suited for variable torque applications such as pumps, fans, and compressors, where energy savings are paramount. In the process industry, the SCHNEIDER ATV630D18N4Z is extensively used for controlling conveyors, mixers, and extruders, ensuring consistent product quality and process efficiency. Its robust design and advanced control algorithms also make it a reliable choice for material handling systems and HVAC applications in large commercial buildings, optimizing energy consumption while maintaining performance.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV630D18N4Z into existing systems involves straightforward wiring practices. Ensure the power input terminals are correctly connected to the three-phase AC supply, observing local electrical codes and safety regulations. For communication, utilize shielded twisted-pair cables for Modbus serial connections to maintain signal integrity and minimize electromagnetic interference. The drive supports various motor types, and during commissioning, parameters such as motor nominal power, voltage, and frequency must be accurately configured within the drive's menu to ensure optimal performance and motor protection.

Operation and Risk Mitigation

Operating the SCHNEIDER ATV630D18N4Z requires adherence to safety protocols, particularly regarding the Safe Torque Off (STO) function, which must be integrated into the machine's safety circuit to prevent unexpected starts. Common troubleshooting involves checking for overload faults (e.g., Fault 1) which often indicate an undersized motor, incorrect motor parameters, or an excessively demanding application. Another frequent issue is under-voltage faults (e.g., Fault 2), typically resolved by verifying the input power supply stability and range. Always consult the user manual for specific fault code interpretations and corrective actions.

Scalability & Long-Term Value

The Altivar Process ATV600 series, including the ATV630D18N4Z, offers inherent scalability through its modular design and compatibility with Schneider Electric's EcoStruxure platform, enabling integration with IIoT solutions for advanced data analytics and remote monitoring. This drive supports firmware updates, allowing for future enhancements and adaptations to evolving industry standards and technological advancements. Its robust construction and Schneider Electric's commitment to product lifecycle support ensure long-term operational reliability and a sustainable return on investment for industrial facilities.

FAQs

What is the primary function of the SCHNEIDER ATV630D18N4Z?

This drive's main purpose is to control the speed of three-phase AC asynchronous motors. It precisely adjusts motor speed and torque.

It achieves this by modifying the frequency and voltage supplied to the motor. This allows for significant energy savings in variable load applications.

The SCHNEIDER ATV630D18N4Z is engineered for industrial use, offering advanced control and protection features.

How do I connect the SCHNEIDER ATV630D18N4Z to a motor?

Connect the motor's power leads to the drive's output terminals (T1, T2, T3). Ensure correct phase sequence.

Refer to the wiring diagram in the manual for precise terminal assignments and cable sizing recommendations. Proper grounding is essential for safety.

Always disconnect power before making any connections. Use appropriate motor cables rated for VFD use to prevent insulation breakdown.

What are the main advantages of using the ATV630D18N4Z?

It offers superior energy efficiency compared to direct-on-line starting. Precise motor control improves process performance and product quality.

The drive features advanced diagnostics and protection functions, reducing downtime. Integrated safety features like STO enhance operational safety.

Seamless integration with industrial networks via Ethernet/IP and Modbus is a key benefit for automation systems.

Can the SCHNEIDER ATV630D18N4Z be used with any type of motor?

The drive is primarily designed for three-phase AC asynchronous motors. It supports both standard and high-efficiency motor designs.

Ensure the motor's power rating and voltage are compatible with the drive's specifications. Consult the motor's nameplate and the drive's manual.

For specialized motor types, verify compatibility with Schneider Electric support or through advanced drive parameter configuration.

What does the IP20 rating signify for this drive?

IP20 means the enclosure offers protection against solid objects larger than 12.5 mm. It is not protected against water ingress.

This rating is suitable for indoor, dry industrial environments. Avoid installing in dusty or humid conditions without additional protection.

Proper ventilation is crucial for the drive's thermal management, as the enclosure design relies on air circulation.

How do I perform initial setup and commissioning of the ATV630D18N4Z?

First, safely wire the power supply and motor. Then, access the drive's menu to set fundamental parameters.

Key parameters include motor nominal power, voltage, frequency, and nominal speed. Also, set the desired control mode (e.g., V/f, sensorless vector).

Perform an auto-tune of the motor parameters to optimize performance and ensure accurate control for your specific motor.

What are common troubleshooting steps for the SCHNEIDER ATV630D18N4Z?

Check error codes displayed on the drive's interface and consult the manual for their meaning. Common issues include overloads or under-voltages.

Verify all wiring connections are secure and correct. Ensure the motor and drive are properly rated for the application load.

Reset the drive after resolving the fault condition. If the issue persists, contact technical support.

What communication protocols does the ATV630D18N4Z support?

It supports Modbus serial communication for basic industrial networking. This allows for simple data exchange with PLCs.

The drive also features Ethernet/IP connectivity for more advanced industrial automation networks. This enables faster communication and data transfer.

These protocols facilitate remote monitoring, control, and integration into SCADA systems.

How does the Safe Torque Off (STO) function work?

STO is a safety function that prevents the motor from generating torque. It is activated via a dedicated safety input.

When STO is enabled, it safely disconnects the power stage, preventing unexpected motor starts. This is crucial for personnel safety during maintenance.

STO does not stop the motor; it only prevents it from restarting or driving. External braking systems may be required.

What are the power and voltage ratings of the SCHNEIDER ATV630D18N4Z?

This specific model has a rated power output of 18.5 kW. It is designed for a three-phase input voltage range of 380-480V AC.

The drive can deliver a variable output voltage and frequency to control the motor's speed. It operates at 50/60 Hz.

Always ensure your incoming power supply is within the specified voltage range for reliable operation and to prevent damage.