Derivative Action in PID Control Without Noise Problems
Learn what derivative action contributes to a PID loop, why it can amplify measurement noise and setpoint changes, and how filtering, sampling, and staged tests make D tuning safer.
Manufacturer: Lenze
Product No.: EVS9325-EP
Country of origin:Germany
Product Type: Servo drives
Barcode: 85044095
Payment: T/T, Western Union
Weight: 7100g
Dimensions: 13,30cm x 35,60cm x 25,40cm
Shipping port: Xiamen
Warranty: 12 months
The Lenze EVS9325-EP (EVS9325-EP) is a sophisticated servo position controller engineered to deliver high-precision motion control within the 9300-series platform. Rated for 5.5 kW of power, this drive is a standard choice for demanding industrial automation tasks, including high-speed positioning, complex cam profiling, and synchronized multi-axis movement in manufacturing environments such as automotive production, food packaging, and industrial robotics. By providing reliable torque and velocity regulation, the EVS9325-EP helps plant engineers and system integrators maintain the rigorous motion standards required for high-throughput production lines. Its robust architecture is built to withstand continuous industrial duty cycles, effectively minimizing mechanical wear and operational downtime in critical motion-critical machine functions.
The hardware design of the EVS9325-EP is centered on high-efficiency power conversion and rapid, closed-loop signal processing. As a servo position controller, it utilizes dedicated logic to track position references with extreme accuracy, making it ideal for applications requiring sub-millimeter precision. The unit is housed in a compact, IP20-rated chassis optimized for vertical mounting within electrical cabinets, ensuring effective thermal performance. Its interfaces support standard industry feedback protocols, facilitating seamless integration with existing servo motor arrays. Internally, the drive employs thermal management and fault-monitoring circuitry, ensuring that the controller protects the motor against current spikes and over-temperature conditions, thereby maintaining consistent performance throughout extended production shifts.
| Feature | Specification |
| Model | EVS9325-EP |
| Brand | Lenze |
| Series | 9300-Series |
| Product Type | Servo drives |
| Rated Power | 5.5 kW |
| Weight | 7.10 kg |
| Dimensions | 13.30 x 35.60 x 25.40 cm |
| Protection Rating | IP20 |
| Lifecycle Status | Phase-Out |
| Commodity Code | 85044095 |
Is the EVS9325-EP appropriate for applications needing multi-axis synchronization?
Yes, as a 9300-series position controller, it is designed for precisely this purpose. It can be synchronized with other 9300-series drives via the system bus to manage complex coordinated motion sequences.
Does the IP20 rating allow for installation in dusty environments?
The IP20 rating provides protection against accidental finger contact but does not seal against dust or moisture. It is strongly recommended to install this drive in a climate-controlled, dust-protected cabinet to ensure the long-term reliability of the internal electronics.
How does this controller handle load variations?
The EVS9325-EP utilizes advanced control loop tuning that allows for rapid adaptation to changing load inertia, maintaining precise position tracking even when handling varying weights or tension levels during the motion cycle.
Why is this product currently in a phase-out status?
This is part of the standard product lifecycle management for the 9300-series platform. We continue to hold original stock to provide reliable, drop-in replacements for existing legacy machine bases without requiring systemic controller upgrades.
Thermal Management: The 5.5 kW power level necessitates proper heat removal. Install the controller vertically on an earthed metal backplate, ensuring a minimum air gap of 15 cm above and below the unit. Do not place heat-sensitive components or other drives directly in the airflow path of this module.
Wiring and Shielding: To ensure high-speed position accuracy, all feedback cables must use shielded, twisted-pair wiring. The shield should be secured to the drive’s PE terminal using a 360-degree conductive clamp to eliminate electromagnetic interference (EMI) that can cause signal jitter.
Capacitor Maintenance: For drives held in storage for over one year, it is highly recommended to perform a controlled DC bus capacitor reforming process before full-load application. Gradually ramp up the input voltage to the rated level over an hour to prevent high inrush current and potential dielectric stress.
Global Express Shipping
Returns & Warranty






Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
White
Greyish White
Silver
|
| Country of origin |
Germany
|
| Power source |
AC-powered
|