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Lenze ECS servo frequency converter

From: | Author:Wang | Time :2026-05-27 | 16 visit: | 🔊 Click to read aloud ❚❚ ▶ | Share:


Lenze ECS servo frequency converter

Product Overview

Lenze servo frequency converter sample (2009 V3.0), designed for high dynamic and compact servo drive applications, covering two major platforms:

9300 series servo frequency converter: power 0.37kW -75kW, standardized hardware, 6 functional variants.

ECS servo system: peak current of 4A – 64A, ultra compact design, supports DC bus power supply.


9300 servo frequency converter 

1. Model and variants

Model: EVS9321- EVS9332 (12 specifications in total, 9321-9332).

6 major functional versions:

Basic servo frequency converter

Servo cam controller

Servo positioning controller

Color controller

Servo PLC

Servo PLC Technology

2. Key performance parameters

Voltage: 3AC 320-528V, DC backup 460-740V.

Output current: 1.5A-145A (8kHz), short-term overload of 200%/10s.

Switching frequency: 8kHz/16kHz.

Protection: IP20, cold plate/penetration installation optional.

3. Interface and I/O

Analog quantity: 2 inputs and 2 outputs (± 10V/0-20mA).

Digital quantity: 6 inputs and 4 outputs (compatible with PLC).

Encoders: Resolver, SinCos, Hiperface.

Bus: CANopen, PROFIBUS, DeviceNet, INTERBUS.

4. Standard specifications

Project parameters

Working temperature 0-55 ℃, with a decrease of 2.5%/℃ for temperatures above 40 ℃

Protection level IP20 (radiator IP41)

Motor wire length shielded 50m

Certified CE, UL 508C, cULus

EMC EN 61800-3 C2/C3

5. Attachment system

Braking unit: EMB9351/9352, peak power 25kW.

Braking resistor: ERBD series, 300W-3kW.

Power filter: A/B/C1/C2 levels, compatible with 5-50m cables.

Reactor: ELN3 series, reduces harmonics and extends lifespan.

ECS servo system

1. Positioning and Characteristics

Positioning: Ultra compact, high dynamic multi axis system, powered by DC bus.

Peak current: 4A/8A/16A/32A/48A/64A.

Standard configuration: Safe Stop, EN 954-1 Category 3.

2. Control version

Posi&Shaft: Positioning/Electronic Axis

Speed&Torque: Speed/Torque

Motion: Multi axis interpolation

Application: IEC 61131 Programmable

3. Power supply and capacitor module

Power module: 6kW/10kW/20kW (12A/20A/38.5A).

Capacitor module: 705 μ F/1410 μ F, improves bus stability.

4. Installation method

There are three types of installation: cabinet installation, penetration heat dissipation, and cold plate installation.

Heat dissipation: 65% of the heat is conducted externally, reducing the temperature rise inside the cabinet.


Software Architecture

1. Run time software

Positioner: Positioning, 128 curve segments, 16 zeroing modes.

Cam: Electronic cam, 48 sets of curves, 4096 point interpolation.

Winder: Winding, tension/floating roller control.

Prefabrication plan: flying saw, cross cutting machine.

2. Engineering software

Global Drive Control (GDC): parameterization, debugging, oscilloscope.

Drive PLC Developer Studio (DDS): IEC 61131 programming (IL/LD/FBD/ST/SFC).

Global Drive Oscilloscope: 8-channel drive oscilloscope.

Cam Designer: Graphic editing of cam curves.

Global Drive Loader: Batch download parameters/programs.


Safety and Environment

Safety Function: Safety Shutdown (STO), EN 954-1 Cat.3.

Environment: Altitude 0-4000m, with a 5% derating per 1000m above 1000m.

Vibration: 0.7g (GL certified).


Application Fields

Robots, gantry systems, packaging machinery, printing machinery, textile machinery, logistics conveying, cutting equipment.


Key issues

Q1: What are the core positioning and differences between the 9300 and ECS servo platforms?

answer:

9300 series: Universal high-power servo, power 0.37-75kW, hardware standardization, configurable functions, suitable for single machine/single axis high-power scenarios.

ECS series: Compact multi axis servo, peak value 4-64A, DC bus power supply, small size, high dynamic performance, suitable for multi axis synchronization, robotics, and embedded installation.

Q2: What are the safety functions and core protection indicators of Lenze servo system?

answer:

Standard Safe Standstill, meeting EN 954-1 Category 3.

Protection level: IP20 (standard), penetrating installation heat sink IP41, optional IP54.

Electrical safety: Full protection against overvoltage/undervoltage/short circuit/grounding/overload/overheating.

Q3: How to select the bus capacitor for ECS servo system? What is the judgment formula?

answer:

Formula: k=C/P (C=total bus capacity μ F; P=average power of the total shaft in kW.

Judgment: k ≥ 100 μ F/kW does not require a capacitor module; If k<100, an ECS-K capacitor module (705/1410 μ F) needs to be added.

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