Product Overview

The EVS9325-EK (EVS9325-EK) is a high-performance servo cam profiler from the industry-standard Lenze 9300-Series, specifically engineered for complex, synchronized motion control. With a rated power of 5.5 kW, this drive is a critical component for applications requiring non-linear motion sequences, such as electronic master-slave synchronization, flying saws, and precision filling systems. The "EK" designation identifies this unit as a specialized Cam Profiler, featuring integrated firmware that replaces mechanical cams with flexible, software-defined electronic cam profiles. This allows for rapid machine changeovers and reduced mechanical wear. Although currently in its "Phase-Out" lifecycle stage, the EVS9325-EK continues to be a vital solution for maintaining high-availability production lines where 5.5 kW of dynamic, high-precision motion control is essential for operational efficiency and stabilizing output quality.

Technical Configuration

The hardware architecture of the EVS9325-EK is optimized for high-speed calculation of complex motion paths. Its internal digital signal processor (DSP) allows for the storage and real-time execution of multiple electronic cam profiles, which can be dynamically switched via fieldbus or digital inputs. The unit is designed for a 3-phase mains connection and features a robust IP20-rated enclosure optimized for vertical cabinet integration. Its thermal management system is engineered to maintain stable 5.5 kW performance under demanding duty cycles common in packaging and textile manufacturing. The 9300-series platform supports versatile feedback interfaces (resolvers, encoders) and modular communication expansion, ensuring the drive can act as a standalone motion controller or as a synchronized node within a larger automation network.

Technical Specifications

Technical FAQs

What is the primary advantage of the "EK" cam profiler over a standard servo drive?

The "EK" version features specialized firmware that allows the drive to independently calculate complex, non-linear motion relationships between a master and slave axis. This eliminates the need for expensive external motion controllers in many synchronized applications, such as electronic gearing or cyclic material feeding.

Can the electronic cam profiles in the EVS9325-EK be modified during operation?

Yes. Through the Lenze Global Drive Control (GDC) software or via a fieldbus (such as PROFIBUS), cam profiles can be updated or switched while the system is active, allowing for flexible machine adjustments without mechanical reconfiguration.

Is this 5.5 kW unit compatible with asynchronous motors?

While designed primarily for synchronous servo motors to achieve maximum dynamic performance, the 9300-series firmware is capable of controlling asynchronous motors if they are equipped with high-resolution feedback for closed-loop vector control.

Engineering & Installation Guide

• Vertical Mounting and Heat Management: Given the 5.5 kW output, thermal stability is vital. The EVS9325-EK must be mounted vertically. Ensure a minimum vertical clearance of 100 mm to allow for natural or forced convection. In high-density cabinet layouts, monitor the internal ambient temperature to ensure it does not exceed 45 Celsius, or apply a power derating of 2.5% per Celsius above this threshold.

• Encoder Signal Integrity: For cam profiling applications, signal precision is paramount. Use high-quality, double-shielded cables for encoder or resolver feedback. Ground the shields at the drive’s PE terminal using 360-degree contact clamps. Avoid running these signal cables in the same conduit as the 3-phase motor power lines to prevent electromagnetic noise from causing "jitter" in the electronic cam.

• DC Bus Safety Protocols: After disconnecting the mains supply, the internal capacitors retain a dangerous charge. Wait at least 10 minutes for the energy to dissipate. Always use a calibrated multimeter to verify that the voltage between terminals +UG and -UG has dropped below 50 VDC before attempting any service or wiring changes.