EVF8609-E-V005 LENZE

EVF8609-E-V005 LENZE Circuit Board

Product  Description：

Lenze circuit boards are high-performance electronic assemblies engineered primarily for motion control, variable frequency drives (VFDs), servo inverters, and decentralized automation systems. These boards act as the core control or power stage within Lenze drive systems, such as the i500, i900, and 8400 series. They are designed to process complex motion algorithms, manage power distribution, and facilitate high-speed communication between the drive module and the central controller.

Product Parameters

The technical characteristics of Lenze circuit boards are tailored to meet rigorous international industrial standards for motion control:

• Input and Output Voltage Support: Control boards typically operate on low-voltage 24V DC logic power, while integrated power boards support 200V to 480V AC three-phase input for motor drive circuits.

• Rated Power Capacity: Power-stage circuit boards are scaled to manage motor outputs from 0.25 kW up to 45 kW and higher, depending on the inverter chassis.

• Control Frequency Range: Capable of generating high-frequency Pulse Width Modulation (PWM) outputs, typically ranging from 2 kHz up to 16 kHz, to ensure smooth motor rotation and minimize acoustic noise.

• Communication Bus Integration: Onboard interfaces support various fieldbus standards, including EtherCAT, PROFINET, EtherNet/IP, CANopen, and Modbus.

• Feedback Interface Resolution: Supports multi-channel encoder inputs, handling resolver signals, incremental encoders, and absolute encoders (SSI, Hiperface, or EnDat).

• Environmental Thresholds: Engineered to operate continuously within ambient temperature ranges of -10°C to 55°C, with derating options up to 60°C.

Product Advantages

Lenze circuit boards are highly regarded in the automation sector due to their precise motion control capabilities and modular engineering:

• Exceptional Scalability and Modularity: Many Lenze control boards feature a pluggable design, allowing users to swap communication or safety modules without replacing the entire drive board.

• Integrated Safety Functions: Built-in hardware support for functional safety, including Safe Torque Off (STO), Safe Stop 1 (SS1), and Safely-Limited Speed (SLS) to meet SIL 3 and PL e compliance.

• Dynamic Motor Control: Features advanced vector control and sensorless control algorithms embedded directly into the microprocessors, ensuring high torque even at low speeds.

• High Energy Efficiency: Power boards utilize advanced semiconductor topologies that minimize switching losses, reducing thermal generation and optimizing overall energy usage.

• Robust Noise Protection: Designed with multi-layer PCB routing and extensive shielding to ensure strong electromagnetic compatibility (EMC) in harsh industrial environments.

Product Applications

These circuit boards serve as the underlying control architecture in machinery requiring dynamic speed and positioning:

• Material Handling and Logistics: Powering and controlling horizontal conveyor belts, sorting systems, and automated guided vehicles (AGVs).

• Packaging Machinery: Driving high-speed multi-axis packaging systems, continuous wrapping machines, and vertical form-fill-seal equipment.

• Textile Production: Regulating tension and speed synchronization across multiple winding spindles and fabric drawing lines.

• Intralogistics Cranes: Managing the precise acceleration and deceleration profiles required for storage and retrieval stacker cranes.

• Printing and Paper Processing: Ensuring exact positioning and web tension control in rotary printing presses and paper converting machinery.

Important Precautions

To preserve the functionality of Lenze circuit boards and protect operators, the following operational instructions must be strictly observed:

• Residual Capacitive Discharge: High-voltage power boards retain lethal electrical charges in their DC-bus capacitors after main power isolation. Always wait at least 5 to 10 minutes and measure the voltage with a meter to ensure it drops below 50V DC before handling.

• Electrostatic Discharge (ESD) Shielding: The microprocessor and logic circuits are highly sensitive to static electricity. Always wear a properly grounded ESD wrist strap and handle the board only by its edges.

• Proper Cooling Design: Ensure that the board's thermal interface materials (such as thermal pads or paste) are correctly placed against the aluminum heatsink backplane. Insufficient heat dissipation will cause rapid thermal shutdown or permanent damage.

• Wiring and Phase Separation: Double-check that power input lines (L1, L2, L3) and motor output lines (U, V, W) are wired correctly. Reversing these connections or short-circuiting the braking resistor terminals will destroy the board instantly.

• Conformal Environmental Protection: If the drive is operating in an environment with conductive dust, moisture, or chemical vapors, ensure the board is placed within a adequately sealed, climate-controlled enclosure to prevent electrical arcing.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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