Lenze E82EV251_2C Central control module

Lenze Inverters Overview

Lenze is a leading global automation specialist offering a wide range of inverters (also known as frequency converters or AC drives) for the precise control of motor speed and torque. Lenze inverters are known for their high performance, reliability, and flexibility, making them suitable for various industrial automation applications, from simple speed control to complex servo and motion control.

Product Detailed Description

• Function:

• Controls the speed and torque of three-phase AC induction and synchronous motors.

• Regulates motor speed by varying the voltage and frequency applied to the motor.

• Provides control for motor starting, stopping, acceleration, and deceleration.

• Supports various control modes, such as V/f control (scalar control), vector control (sensorless and with encoder feedback), and servo control.

• Features comprehensive protection functions, including overcurrent, overvoltage, undervoltage, overload, overtemperature, and short-circuit protection.

• Some advanced models offer built-in PLC functionality, positioning control, braking management, and safety functions (e.g., STO - Safe Torque Off).

• Supports multiple communication interfaces for easy integration into automation systems.

• Features:

• Modular design for easy installation, commissioning, and maintenance.

• Wide range of power ratings and voltage classes to suit different motors and application requirements.

• User-friendly operating interface and intuitive programming software (e.g., Lenze EASY Starter).

• Powerful communication capabilities, supporting various industrial Ethernet and fieldbus protocols (e.g., EtherCAT, PROFINET, Ethernet/IP, CANopen, PROFIBUS).

• High-precision control for applications requiring high speed and torque accuracy.

• Energy-saving features that help reduce energy consumption and operating costs.

• Robust and durable design suitable for industrial environments.

Product Parameters

As Lenze offers various series of inverters, the following are some general parameters. Always refer to the official datasheet for the specific model:

• Power Range:

• From 0.25 kW to hundreds of kW.

• Voltage Classes:

• Single-phase 230 V AC.

• Three-phase 230/400/480/690 V AC.

• Control Modes:

• V/f control (linear, quadratic, programmable).

• Sensorless vector control (SLVC).

• Flux vector control (FOC) with encoder.

• Servo control.

• Input Frequency:

• 50/60 Hz.

• Output Frequency:

• 0 - 650 Hz (depending on the model).

• Degree of Protection (IP):

• IP20, IP21, IP66 (depending on the model).

• Ambient Temperature:

• Operating temperature range typically from -10 °C to +50 °C (depending on the model and mounting).

• Communication Interfaces:

• RS-485 (MODBUS RTU).

• CANopen.

• EtherCAT.

• PROFINET.

• Ethernet/IP.

• PROFIBUS DP.

• Safety Functions:

• STO (Safe Torque Off) is standard on many models.

• SS1, SLS, SSM, etc., are available on some advanced models.

• Braking Methods:

• Built-in or external braking resistors.

• Regenerative braking.

Product Advantages

• High-Precision Control:

• Advanced control algorithms ensure precise speed and torque control, meeting the demands of high-performance applications.

• High Reliability:

• Robust hardware design and comprehensive protection functions ensure reliable operation in industrial environments.

• Flexibility and Scalability:

• Modular design and a wide range of function options allow for flexible adaptation to various application requirements.

• Ease of Use:

• User-friendly interface and intuitive software tools simplify commissioning and maintenance.

• Powerful Communication Capabilities:

• Supports various mainstream industrial communication protocols for easy system integration.

• Energy-Efficient:

• Optimizes motor operation, reducing energy consumption and operating costs.

• Comprehensive Safety Functions:

• Integrated or optional safety functions meet the requirements of machine safety standards.

Precautions

• Correct Selection:

• Choose the appropriate inverter model based on motor power, load characteristics, application requirements, environmental conditions, and the required control accuracy.

• Correct Installation:

• Follow Lenze's installation guidelines, ensuring the inverter is installed in a well-ventilated area with suitable ambient temperature and humidity, and avoid vibrations and shocks.

• Correct Wiring:

• Connect the power supply, motor, control signals, and grounding wires correctly according to the wiring diagram, ensuring all connections are secure and reliable.

• Parameter Settings:

• Use the software tools or operating interface provided by Lenze to correctly set the inverter parameters according to the specific motor parameters and application requirements.

• EMC Considerations:

• Take appropriate electromagnetic compatibility (EMC) measures, such as using shielded cables and filters, to reduce electromagnetic interference.

• Safe Operation:

• Always observe relevant safety regulations when operating and maintaining the inverter to avoid electric shock and equipment damage.

• Regular Maintenance:

• Regularly inspect the inverter's operating status, cooling system, terminal connections, and fans (if applicable), and perform necessary cleaning and maintenance.

Product Applications

Lenze inverters are widely used in various industrial automation sectors, including but not limited to:

• Conveyor Technology:

• Speed control, synchronization control.

• Packaging Machinery:

• Precise motion control, tension control.

• Textile Machinery:

• Line speed control, winding control.

• Printing Machinery:

• Synchronization control, register control.

• Material Handling:

• Cranes, hoists, automated guided vehicles (AGVs).

• Pumps and Fans:

• Flow control, energy-saving operation.

• Food and Beverage Industry:

• Filling machines, mixers, labeling machines.

• Plastics and Rubber Machinery:

• Injection molding machines, extruders.

• Machine Tools:

• Spindle drives, feed drives.

• Renewable Energy:

• Wind turbines, solar power systems.

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