Lenze EVF9324-EVV004 9300-Series Vector Frequency Inverter

Product Overview

The Lenze EVF9324-EVV004 (EVF9324-EVV004) is a high-performance vector frequency inverter belonging to the 9300-Series, engineered for precise motor speed and torque regulation in industrial environments. Rated for 3.0 kW with a 3-phase 400 / 480 V mains connection, this drive excels in applications requiring high dynamic response and speed accuracy. By utilizing advanced vector control, the EVF9324-EVV004 provides superior motor performance, making it a critical component for machinery that demands consistent speed regulation, such as material handling, pump systems, and automated industrial spindles.

Technical Configuration

The 9300-Series architecture focuses on providing high-precision control in a compact, modular package.

• Vector Control Performance: Delivers excellent torque control even at low motor speeds, significantly improving the precision of automated movements compared to standard V/f drives.
• Mains Flexibility: Engineered to operate reliably on standard 400 V or 480 V industrial grids, providing global application versatility.
• Design for Flexibility: This specific model is manufactured without integrated interference suppression (EMC filtering), allowing system integrators to use custom-sized external filtering solutions tailored specifically to their machine’s cabinet and regulatory requirements.
• Modular Connectivity: As part of the 9300-Series, it remains compatible with various fieldbus interface modules, allowing for integration into CANopen, Profibus, or other modern control networks.

Technical Specifications

Frequently Asked Questions

Why is this model "without interference suppression measures"?

This is a design choice for applications where the cabinet layout requires centralized EMC filtering, or where the machine must meet specific local regulatory requirements that are best handled by external RFI/EMC line filters. It allows for a more streamlined unit footprint.

Can the EVF9324-EVV004 be used to replace an existing 3.0 kW 9300-Series drive?

Yes, it is a direct functional replacement. You should verify your existing parameter set and firmware version to ensure that the replacement unit is configured correctly for your specific machine's motion profile.

Is this drive suitable for speed-controlled pump applications?

Absolutely. The vector control logic provides excellent energy efficiency by optimizing motor slip, which is particularly beneficial for centrifugal pumps that need to vary output based on demand.

Engineering Integration and Operational Safety

• External EMC Compliance: Since this unit does not have built-in interference suppression, you must install an appropriate external EMC filter at the drive's input if your environment or local code requires electromagnetic compatibility certification.
• Vertical Mounting: To ensure the longevity of the power components, install the drive vertically in your control cabinet. Ensure a minimum clearance of 100 mm above and below the unit to allow for unimpeded convective airflow.
• Shielded Cabling: For optimal vector control stability, utilize shielded motor cables and ensure a 360-degree connection to the drive’s PE terminal. This minimizes the risk of induced noise affecting the motor feedback loop.
• Parameter Tuning: Because this is a vector drive, it relies on accurate motor data. Always perform the "auto-tuning" function during initial startup so the drive can calculate the precise equivalent circuit parameters for your specific motor.