SCHNEIDER ATV930D22N4Z AC Drive for Advanced Pump Control 39.6A 22kW

The SCHNEIDER ATV930D22N4Z AC Drive is a high-performance variable frequency drive engineered for demanding pump control applications, delivering exceptional energy efficiency and precise motor management. This robust drive boasts a 39.6A continuous current rating and a powerful 22kW (30HP) motor power capacity, making it ideal for medium to heavy-duty industrial processes. Its advanced architecture ensures optimal torque control, reduced energy consumption, and enhanced system reliability. Key advantages include its advanced thermal management, integrated safety functions, and seamless integration capabilities with various automation platforms. The ATV930D22N4Z is designed to meet the stringent requirements of modern pump systems, offering superior performance and operational flexibility.

Product Specifications

| Parameter              | Value                                      |

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

| Model Number           | ATV930D22N4Z                               |

| Rated Power (kW)       | 22                                         |

| Rated Power (HP)       | 30                                         |

| Rated Current (A)      | 39.6                                       |

| Input Voltage (VAC)    | 380-400 V                                  |

| Output Voltage (VAC)   | 380-400 V                                  |

| Number of Phases       | 3                                          |

| Protection Class       | IP21 / UL Type 1                           |

| Installation Type      | Wall-mounted, Floor-mounted                |

| Communication Protocols| Modbus, Ethernet/IP, Profibus DP, Profinet |

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

Core Features & Market Positioning

The SCHNEIDER ATV930D22N4Z distinguishes itself in the industrial automation market through its superior Variable Torque control capabilities, specifically optimized for variable torque applications like pumps and fans. This drive employs advanced algorithms to precisely manage motor speed and torque, resulting in significant energy savings and extended equipment lifespan. Its robust design, featuring enhanced thermal dissipation, ensures reliable operation in harsh industrial environments. The integrated safety features, including Safe Torque Off (STO), simplify system design and reduce the need for external safety components. Positioned as a premium solution, the ATV930D22N4Z offers a compelling blend of performance, energy efficiency, and integrated intelligence for critical pump control systems, differentiating it from standard VFD offerings.

Key Application Scenarios

This SCHNEIDER ATV930D22N4Z AC Drive is extensively utilized in a variety of critical industrial pump control applications. It excels in water and wastewater treatment plants for managing centrifugal pumps, ensuring consistent flow rates and minimizing energy expenditure. In the oil and gas sector, it provides precise control for pipeline pumping stations and process fluid transfer. The HVAC industry benefits from its ability to regulate large circulation pumps and cooling tower fans, optimizing building climate control and reducing operational costs. Furthermore, its adaptability makes it suitable for chemical processing, mining operations, and any industrial scenario requiring variable speed control of pumps to meet fluctuating demand and enhance process efficiency.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV930D22N4Z into an industrial system involves careful consideration of power and control wiring. The drive requires a stable 3-phase power supply within its rated voltage range (380-400V). Motor connections should be made to the U, V, and W terminals, ensuring correct phasing. For control, standard digital and analog inputs/outputs are available for integration with PLCs and sensors. Programming the ATV930D22N4Z typically involves configuring motor parameters, setting speed references, and defining fault management logic via the drive's local keypad or specialized software like SoMove. Proper grounding and shielding are crucial for electromagnetic compatibility (EMC) and to prevent electrical noise interference.

Operation and Risk Mitigation

Safe operation of the SCHNEIDER ATV930D22N4Z AC Drive is paramount. Always ensure the drive is properly installed, grounded, and that all safety interlocks are functional before energizing. The drive features built-in protection against overcurrent, overvoltage, undervoltage, and motor overload conditions, indicated by specific fault codes on the display. Common fault codes, such as "OC" (Overcurrent) or "OL" (Overload), require investigation into motor load, cabling, or drive parameters. The Safe Torque Off (STO) function provides a reliable method to immediately remove motor torque without disconnecting power, essential for personnel safety during maintenance. Adhering to the manufacturer's guidelines for parameter settings and environmental conditions mitigates operational risks and ensures longevity.

Scalability & Long-Term Value

The SCHNEIDER ATV930D22N4Z is designed with scalability and long-term value in mind, offering robust integration capabilities with modern industrial automation architectures. Its support for multiple industrial communication protocols, including Ethernet/IP and Profinet, allows for seamless connectivity with distributed control systems and IIoT platforms, enabling advanced monitoring, diagnostics, and predictive maintenance. The drive's modular design potentially allows for future expansion or upgrades with optional communication or I/O cards. By optimizing pump performance and energy consumption, the ATV930D22N4Z contributes to significant operational cost reductions over its lifecycle, making it a strategic investment for businesses seeking to enhance efficiency and leverage digital transformation initiatives.

Frequently Asked Questions

1. What is the maximum motor size for the SCHNEIDER ATV930D22N4Z?

This drive is rated for 22kW or 30HP motors. It is designed for precise control of pumps within this power range. Ensure motor nameplate data matches the drive's capabilities.

The continuous current rating is 39.6A. This figure is crucial for selecting the correct motor and ensuring the drive is not overloaded. Always check motor service factor.

The drive's specifications are optimized for variable torque loads, such as centrifugal pumps. This ensures efficient operation and longevity for the pump system.

2. How do I connect the SCHNEIDER ATV930D22N4Z to a PLC?

Connect the drive's digital and analog I/O terminals to your PLC's outputs and inputs. Configure the drive's communication parameters to match the PLC's protocol (e.g., Modbus, Ethernet/IP).

Use serial communication ports or Ethernet modules for robust data exchange. This allows for remote control, monitoring, and parameter adjustments.

Refer to the drive's manual for specific wiring diagrams and register maps. Accurate configuration is key for successful PLC integration.

3. What are the common fault codes for the ATV930D22N4Z?

Common faults include OC (Overcurrent) and OL (Overload). These indicate excessive current draw from the motor.

Other frequent codes might be OV (Overvoltage) or UV (Undervoltage), related to the power supply quality. Check input power stability.

Troubleshooting requires consulting the drive's fault code index. Each code points to specific potential issues needing diagnosis.

4. Can the SCHNEIDER ATV930D22N4Z be used for constant torque applications?

While optimized for variable torque, it can be configured for constant torque applications. Adjustments to motor control parameters are necessary.

This may involve selecting a different motor control mode within the drive's menu. Consult the advanced manual for specifics.

Performance in constant torque scenarios might require a drive specifically designed for it. Assess application needs carefully.

5. What is the IP rating and suitable installation environment for this drive?

The ATV930D22N4Z typically has an IP21 or UL Type 1 rating. This means it offers protection against solid objects larger than 12.5mm and vertically falling water.

It is suitable for indoor installation in clean to moderately dusty industrial environments. Avoid locations with excessive moisture or corrosive elements.

For harsher conditions, consider an external enclosure or a drive with a higher IP rating. Ensure adequate ventilation around the drive.

6. How do I set up the Safe Torque Off (STO) function?

Connect the STO safety input terminals according to the safety circuit design. Ensure the STO function is enabled in the drive's safety parameters.

STO overrides all other control inputs, providing a safe state by removing motor torque. It requires integration with safety relays or a safety PLC.

Always perform a functional safety test after installation and commissioning to verify STO operation. This is a critical safety feature.

7. What communication options are available for the SCHNEIDER ATV930D22N4Z?

It supports popular industrial protocols like Modbus RTU/TCP, Ethernet/IP, and Profinet. This ensures broad compatibility with automation systems.

Optional communication cards can be added for other fieldbuses if needed. This enhances its flexibility for diverse network requirements.

Proper network configuration, including IP addresses or node IDs, is essential for communication. Refer to the specific protocol documentation.

8. How does the ATV930D22N4Z improve energy efficiency in pump systems?

By precisely adjusting motor speed to match demand, it significantly reduces energy consumption compared to fixed-speed operation. This is especially true for centrifugal pumps.

Variable speed control eliminates the energy waste associated with throttling valves or bypass lines. It delivers power only when and where needed.

The drive's advanced control algorithms optimize motor performance, further contributing to overall energy savings and a lower carbon footprint.

9. What is the operating temperature range and derating for this drive?

The drive operates within a range of -15°C to +50°C. However, derating is required at ambient temperatures above 40°C.

Derating means reducing the load current the drive can handle to prevent overheating. This is a standard practice for VFDs.

Consult the product manual for specific derating curves and guidelines. Proper ventilation is crucial in higher ambient temperatures.

10. Can I use the SCHNEIDER ATV930D22N4Z with different types of motors?

Yes, it supports various AC motor types, including standard induction motors. It also offers excellent performance with permanent magnet motors.

The drive features autotuning capabilities to adapt its parameters to the specific motor characteristics. This optimizes performance and efficiency.

Ensure the motor's voltage and power ratings are within the drive's capabilities. Always check compatibility before installation.