The SCHNEIDER ATV930U22N4Z drive, a robust variable speed drive with integrated pump system control, offers exceptional performance and efficiency for demanding industrial applications. This 2.2kW unit, operating at 4.3A and 400V (N4 designation), is engineered for precise motor control, energy savings, and seamless integration into complex automation systems. Its advanced features, including built-in pump logic, advanced thermal management, and comprehensive communication options, position it as a superior choice for HVAC, water management, and material handling sectors.
Product Specifications
| Feature | Specification |
| :---------------------- | :----------------------------------------------- |
| Model | SCHNEIDER ATV930U22N4Z |
| Power Rating | 2.2 kW |
| Rated Current | 4.3 A |
| Voltage | 400 V (3-phase) |
| Control Type | Variable Speed Drive with Integrated Pump Control |
| Protection Rating | IP21 (standard), adaptable for higher ratings |
| Operating Temperature | -15°C to +50°C (derating may apply) |
| Mounting | Wall or Cabinet Mount |
| Communication Protocols | Modbus, EtherNet/IP, Profibus DP, etc. |
Core Features & Market Positioning
The SCHNEIDER ATV930U22N4Z stands out due to its dedicated integrated pump system control, which simplifies system design and reduces the need for external components. This feature offers advanced functionalities like multi-pump management, leak detection, and optimal start/stop sequences, directly contributing to reduced operational costs and enhanced system reliability. Its robust design ensures performance in harsh industrial environments, while its energy efficiency capabilities align with increasing demands for sustainable operations. The drive's advanced sensorless and closed-loop vector control provides superior torque accuracy and responsiveness, making it ideal for applications requiring precise speed and position control.
Key Application Scenarios
This variable speed drive is exceptionally well-suited for building automation, particularly in HVAC systems for precise control of fans and pumps, leading to significant energy savings. In water and wastewater management, its integrated pump logic facilitates efficient operation of booster pump sets, sewage lift stations, and irrigation systems, optimizing water pressure and flow while minimizing wear on equipment. Furthermore, the ATV930U22N4Z is a strong candidate for material handling, conveyor systems, and other industrial processes where precise speed regulation and high starting torque are critical. Its ability to handle varying loads and dynamic conditions makes it a versatile solution across multiple industry verticals.
Practical System Integration Guidance
Integrating the SCHNEIDER ATV930U22N4Z drive involves straightforward wiring for power and control circuits. Ensure proper grounding and adherence to local electrical codes. For pump applications, connect sensors (pressure, flow) to the drive's analog inputs or utilize digital inputs for status signals. Configuration typically involves setting motor parameters, defining pump control logic through the drive's intuitive menu system or via PC-based software like SoMove. The drive supports various communication protocols, allowing seamless integration into SCADA or PLC systems for remote monitoring and control, often via Modbus TCP/IP or EtherNet/IP.
Operation and Risk Mitigation
Safe operation of the SCHNEIDER ATV930U22N4Z drive mandates adherence to safety standards, including proper installation, earthing, and the use of appropriate protective devices. Before performing any maintenance, always ensure the drive is de-energized and capacitors have discharged. Common operational issues can often be resolved through the drive's built-in diagnostics. Critical fault codes, such as "Overcurrent" (OCF) or "Overvoltage" (OVF), typically indicate issues with the motor, power supply, or installation that require immediate attention and troubleshooting according to the user manual.
Scalability & Long-Term Value
The ATV900 series, including the ATV930U22N4Z, offers excellent scalability. Its modular design supports optional communication cards, allowing adaptation to evolving network requirements and integration with virtually any industrial automation platform. Compatibility with Schneider Electric's EcoStruxure™ architecture enables seamless connection to IIoT (Industrial Internet of Things) solutions for advanced data analytics, predictive maintenance, and remote asset management. This forward-looking design ensures the drive remains a valuable component within a smart, connected industrial environment throughout its lifecycle.
Frequently Asked Questions (FAQs)
Q1: What are the main benefits of the integrated pump control in the ATV930U22N4Z?
This feature simplifies system design and reduces hardware costs by eliminating external controllers.
It provides advanced functions like automatic leak detection and pump staging for optimal performance.
Enhanced control leads to significant energy savings and extended equipment lifespan for pump systems.
Q2: Can the SCHNEIDER ATV930U22N4Z be used for single-phase applications?
No, this specific model (U22N4) is designed for three-phase power supply only.
Single-phase input drives with three-phase output are available in other ATV900 series variants.
Always verify the power supply and drive specifications before installation to prevent damage.
Q3: What is the maximum ambient temperature for the ATV930U22N4Z?
The drive can operate at a maximum ambient temperature of 50°C without derating.
Above 50°C, performance may be reduced, requiring motor power derating according to the manual.
Ensure adequate ventilation in the installation environment to maintain optimal operating temperatures.
Q4: How do I perform a motor auto-tuning on the ATV930U22N4Z?
Access the drive's menu and navigate to the motor parameter settings for auto-tuning.
Initiate the auto-tune procedure, which calibrates the drive to the specific motor characteristics.
Ensure the motor is correctly connected and free to rotate during the tuning process for accuracy.
Q5: What communication protocols are supported by the ATV930U22N4Z?
The drive natively supports Modbus RTU for basic serial communication.
Optional communication cards allow for EtherNet/IP, Profibus DP, CANopen, and DeviceNet integration.
Selecting the appropriate protocol depends on your existing automation network infrastructure.
Q6: How can I troubleshoot an "Overcurrent" fault (OCF) on this drive?
Check for short circuits in the motor or cabling connections.
Verify that the motor current does not exceed the drive's rated current during operation.
Investigate potential mechanical issues causing excessive load or motor failure.
Q7: Is the ATV930U22N4Z compatible with older Schneider Electric systems?
Compatibility depends on the specific older system's communication protocols and voltage requirements.
Many ATV900 drives can integrate via common industrial protocols like Modbus.
Consult Schneider Electric's compatibility guides for seamless integration with legacy equipment.
Q8: What are the IP rating options for the SCHNEIDER ATV930U22N4Z?
The standard ATV930 drive typically comes with an IP21 rating for basic protection.
Enclosures or specific kits can upgrade the protection to IP4X or IP54 for harsher environments.
Always select an enclosure that provides adequate ventilation to prevent overheating.
Q9: How does the drive contribute to energy efficiency in pump systems?
By precisely matching motor speed to system demand, it avoids energy wastage from constant full-speed operation.
Variable speed control reduces energy consumption significantly compared to mechanical throttling or bypass methods.
Advanced control algorithms optimize pump operation, further minimizing power usage.
Q10: Where can I find the detailed user manual for the ATV930U22N4Z?
The official SCHNEIDER ELECTRIC website is the primary source for all product documentation.
Search for "ATV930 manual" on their support portal to download the PDF.
Ensure you obtain the manual corresponding to your specific drive firmware version for accurate information.