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Schneider WL1EEV31A9SXXX
Product Overview
Schneider WL1EEV31A9SXXX is a high-performance industrial Ethernet servo drive based on the SERCOS III (IEEE 1455) communication protocol. It is typically used in industrial automation equipment that requires extremely high motion control precision, response speed, and system reliability, such as CNC machine tools, automated production lines, and robots. Designed specifically for use with Schneider’s ACOPOS (AC servo motors), this drive delivers high-speed, precise motor control.
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Specifications
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Parameter
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Specification
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Remarks
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|---|---|---|
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Communication Protocol
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SERCOS III (IEEE 1455)
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Supports industrial Ethernet communication, compatible with EtherCAT
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|
Control Mode
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Position, Speed, Torque Control
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Multi-mode control, supports closed-loop feedback
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Output Power
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0.5 kW – 5 kW (depending on specific model)
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Multiple power levels available
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Motor Type
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AC Servo Motor (ACOPOS)
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Compatible with Schneider ACOPOS series motors
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Input Voltage
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200-240 V AC
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Multi-phase input
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Response Speed
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< 0.5 ms (typical)
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High-speed response, suitable for dynamic systems
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Built-in Functions
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Overload Protection, Overheating Protection, Short Circuit Protection, Undervoltage Protection
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Comprehensive protection for drive safety
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Programming Language
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SERCOS III Programming Tools (e.g., EcoStruxure Machine Expert)
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Unified programming environment
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Operating Temperature Range
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-25℃ – 70℃ (depending on chassis type)
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Adapts to harsh industrial environments
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Product Features
High-Precision Control
Adopting advanced control algorithms and high-speed sampling technology, it achieves sub-millisecond response time and micron-level position control precision, meeting the needs of high-end automation equipment.
Multi-Protocol Compatibility
Although mainly based on the SERCOS III protocol, it is usually also compatible with EtherCAT, providing a flexible network integration solution.
Reliability and Safety
Equipped with complete protection functions, including overload, overheating, short circuit and undervoltage protection, it can operate stably for a long time in industrial on-site environments.
Easy Integration
Highly matched with Schneider’s ACOPOS AC servo motors, and can be configured and debugged through Schneider’s unified programming platform (such as EcoStruxure Machine Expert).
Energy-Saving Features
Adopting efficient power conversion technology, it has low energy consumption under no-load and low-load conditions.
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Structure and Composition
- Power Supply Unit: Responsible for receiving industrial power and converting it into the DC voltage required inside the drive (such as DC Link).
- Control Unit: The brain of the drive, which runs servo algorithms, receives control commands from the upper computer or PLC, and generates PWM signals to control the motor.
- Communication Interface: Including SERCOS III interface, EtherCAT interface or traditional Modbus/RS485 interface, used for communication with the control system.
- Output Stage: Power semiconductors (IGBT/MOSFET) that convert the low-voltage signal of the control unit into high-voltage and large-current to drive the AC servo motor.
Application Fields
- CNC Machining: Used to control the precise movement of the spindle and cutting tools.
- Robotics: Drives robot joints to achieve precise trajectory tracking.
- Automated Production Lines: Scenarios requiring high-speed positioning such as packaging and assembly lines.
- Aerospace and Precision Manufacturing: Such as precision mold processing, optical equipment positioning, etc.
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Installation and Maintenance
Installation Requirements
- Power Connection: Strictly follow the power specifications (e.g., 200-240V AC) and ensure reliable grounding.
- Wiring: Motor wiring must be carried out in accordance with phase sequence requirements, and it is recommended to be completed by professional electrical engineers.
- Environment: The installation location should be well-ventilated, avoiding direct sunlight and high-humidity environments.
- Mechanical Fixing: The drive chassis should be firmly installed to prevent vibration from affecting its service life.
Debugging Steps
- Network Configuration: Configure the drive’s node address in the SERCOS III network.
- Parameter Setting: Use Schneider’s configuration software (such as EcoStruxure Machine Expert) to set motor parameters (rated current, rated torque, etc.).
- Function Test: First perform a no-load rotation test to confirm that the direction, speed and torque output are normal.
Maintenance
- Regular Inspection: Check the tightness of the wiring and whether the cooling fan is running normally.
- Cleaning: Regularly clean the dust inside the chassis to maintain good heat dissipation.
- Firmware Upgrade: Pay attention to Schneider’s official firmware updates and upgrade the drive’s control algorithm to improve performance and safety.
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