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- LXM23AU04M3X
- Motion Servo Drive
- France
- 60 × 162 × 146 mm
- 1.7 kg
- Xiamen, China
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Product Overview
The Schneider LXM23AU04M3X Lexium 23 Motion Servo Drive is a 400 W AC servo drive used to control compatible servo motors in industrial motion-control applications. It operates from a single-phase 200–255 V AC supply and includes CANopen communication, allowing it to exchange motion commands and operating data with a compatible controller.
This drive is suited to machine axes that require controlled acceleration, repeatable positioning and regulated motor speed. Typical applications include packaging machinery, automated assembly stations, material-handling equipment and compact production systems where servo motion must follow a programmed sequence.
The LXM23AU04M3X supports position, speed and torque control modes. Its CANopen interface provides a communication option for networked motion systems, while pulse-based control can be used in compatible configurations. The appropriate control method depends on the controller, application requirements and drive parameter settings.
When selecting a replacement, engineers should check the complete model number, motor electrical ratings, encoder feedback, control method and communication interface. The Lexium 23 family includes drives with different power ratings, so a physically similar unit is not necessarily an electrically compatible substitute.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model / Part Number | LXM23AU04M3X |
| Product Family | Lexium 23 |
| Product Type | Motion Servo Drive |
| Drive Category | AC Servo Drive |
| Rated Motor Power | 400 W |
| Input Voltage | Single-phase 200–255 V AC |
| Supply Frequency | 50/60 Hz |
| Control Modes | Position, speed and torque |
| Communication Interface | CANopen |
| Pulse Control | Supported |
| Feedback Interface | Incremental motor encoder |
| Motor Compatibility | Compatible servo motors with matching electrical and feedback specifications |
| Digital Inputs | Configurable digital inputs |
| Digital Outputs | Configurable digital outputs |
| Braking Resistor Connection | Supported |
| Mounting Method | Vertical mounting in a control cabinet |
| Protection Rating | IP20 |
| Operating Environment | Industrial control cabinet |
| Dimensions | 60 × 162 × 146 mm |
| Weight | 1.7 kg |
Product Features
- 400 W servo control: Supports compact motion axes requiring controlled motor operation.
- Single-phase AC input: Operates from the specified 200–255 V AC supply.
- Multiple control modes: Supports position, speed and torque control according to the application configuration.
- CANopen communication: Connects the drive to compatible networked motion-control systems.
- Pulse-command capability: Supports pulse-based positioning in compatible control arrangements.
- Encoder feedback: Uses motor feedback to support closed-loop servo regulation.
- Digital I/O: Provides configurable signals for control commands and machine-status integration.
- Braking resistor connection: Supports applications that require management of regenerated energy during deceleration.
- Cabinet installation: Uses a vertical mounting arrangement within a suitable industrial enclosure.
Working Principle
The LXM23AU04M3X regulates the electrical power supplied to a compatible servo motor according to the selected control mode. The drive processes the motion command, evaluates motor feedback and adjusts its output to achieve the requested movement.
In position-control applications, the controller specifies the target movement using the configured command interface. The drive compares the requested motion with the feedback information and regulates the motor response. In speed-control mode, it maintains the commanded rotational speed within the limits of the motor and drive. Torque control instead regulates the motor’s torque-producing current according to the configured command and operating conditions.
For example, a packaging machine may use a servo motor to move a product feed mechanism through a repeatable distance for each production cycle. The controller sends position commands to the drive, and the motor encoder supplies feedback. The drive adjusts motor output to follow the required motion profile while the machine controller coordinates the feed axis with other operations.
During rapid deceleration, energy can return from the motor to the drive’s DC bus. Where the application requires additional energy dissipation, a suitable external braking resistor can be incorporated according to the drive’s electrical specifications.
Correct operation depends on matching the motor, encoder feedback, command interface and control parameters. Incorrect motor selection or feedback configuration can cause alarms, unstable motion or failure to achieve the requested position.
Role in a Lexium 23 Servo Control System
The LXM23AU04M3X acts as the power-conversion and motor-regulation stage between the machine controller and the servo motor. It receives motion commands, controls motor current and processes feedback to regulate the axis.
Motion Controller → LXM23AU04M3X Servo Drive → Servo Motor → Mechanical Transmission → Machine Axis
| System Component | Function | Relationship to the Drive |
|---|---|---|
| LXM23AU04M3X Servo Drive | Regulates motor power and motion | Executes the configured servo-control functions |
| Motion Controller / PLC | Generates motion commands and machine sequences | Sends position, speed or torque commands |
| Compatible Servo Motor | Converts electrical energy into mechanical rotation | Executes the commanded movement |
| Motor Encoder | Supplies position and speed feedback | Provides information for closed-loop control |
| CANopen Network | Exchanges control and status data | Connects the drive to a compatible network master |
| Pulse Command Interface | Transfers position commands | Supports pulse-based control where configured |
| Motor Power Cable | Carries electrical power to the motor | Connects the drive output to the motor |
| Encoder Cable | Transfers feedback signals | Connects the motor encoder to the drive |
| Braking Resistor | Dissipates regenerated energy where required | Supports applications with demanding deceleration |
| Circuit Protection | Provides upstream electrical protection | Protects the drive supply circuit according to the installation design |
| Operator HMI | Displays machine status and alarms | Provides operator access through the wider control system |
Industrial Applications
| Application | Typical Equipment | Role of the LXM23AU04M3X |
|---|---|---|
| Packaging Machinery | Feeders, indexing mechanisms and sealing stations | Controls repeatable servo movements during production cycles |
| Automated Assembly | Positioning tables and assembly mechanisms | Supports programmed positioning and speed regulation |
| Material Handling | Small transfer axes and sorting mechanisms | Regulates movement in coordinated machine sequences |
| Labeling Equipment | Label feed and placement mechanisms | Supports controlled movement and repeatable positioning |
| Printing and Converting | Feed rollers and auxiliary positioning axes | Provides servo regulation for compatible mechanisms |
| Inspection Equipment | Automated positioning stages | Moves inspection components according to programmed commands |
| OEM Machinery | Compact purpose-built production machines | Provides a servo-control solution for appropriately rated axes |
| General Industrial Automation | Servo-driven mechanisms | Supports position, speed or torque control as required |
Installation and Maintenance
- Verify the drive reference: Confirm that LXM23AU04M3X matches the required 400 W rating, input supply and communication configuration.
- Check motor compatibility: Verify the motor’s rated power, voltage, current and encoder specifications against the drive requirements.
- Isolate the electrical supply: Follow the applicable lockout procedure and allow the specified discharge time before handling power connections.
- Prepare the cabinet: Mount the drive vertically and provide the ventilation clearance required by the installation instructions.
- Confirm the supply circuit: Check the incoming AC voltage, frequency, protective devices and grounding arrangement.
- Connect the motor: Use a compatible power cable and verify the phase connections and protective earth connection.
- Wire the encoder: Check the feedback cable, connector pinout and encoder compatibility before enabling the drive.
- Configure the command interface: Select the required pulse, CANopen or other supported control arrangement and set the relevant parameters.
- Review motion parameters: Enter the applicable motor data, control limits, acceleration and deceleration settings.
- Check braking requirements: Determine whether the application needs a braking resistor and install it according to the drive specifications.
- Perform a controlled test: Verify motor direction, feedback response, communication and motion behavior at a reduced operating demand before normal production.
- Record maintenance findings: Document the drive reference, motor data, parameter settings, alarms and any changes made during commissioning.
Compatible System Components
| Component | Function | Compatibility Consideration |
|---|---|---|
| Compatible Lexium Servo Motor | Provides controlled rotary motion | Match rated power, voltage, current and feedback interface |
| Motor Encoder | Supplies motion feedback | Confirm encoder type and electrical compatibility |
| Motion Controller / PLC | Generates axis commands | Verify support for the selected command interface |
| CANopen Master | Coordinates networked devices | Check network configuration and supported communication functions |
| Motor Power Cable | Connects the drive to the motor | Match the motor connector and current requirements |
| Encoder Cable | Transfers feedback signals | Confirm connector pinout and encoder compatibility |
| Braking Resistor | Dissipates regenerated energy | Select according to the drive’s permitted resistance and power ratings |
| Circuit Breaker / Protective Device | Protects the incoming power circuit | Follow the specified electrical protection requirements |
| Control Cabinet | Houses the drive and associated equipment | Provide suitable ventilation and environmental protection |
| Operator HMI | Displays status and alarms | Integrate through the controller or wider machine network |
Recommended Related Models
| Model / Product | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Schneider LXM23AU02M3X | Lexium 23 Motion Servo Drive | Related drive with a lower power rating | Check the required motor power and current |
| Schneider LXM23AU04M3X | Lexium 23 Motion Servo Drive | Requested 400 W drive | Match the complete model reference and control requirements |
| Schneider LXM23AU07M3X | Lexium 23 Motion Servo Drive | Related drive with a higher power rating | Verify motor sizing and supply requirements |
| Schneider LXM28AU04M3X | Lexium 28 Motion Servo Drive | Successor-family alternative with a 400 W rating | Evaluate motor compatibility, wiring, communication and application migration |
| Schneider BCH Servo Motor Series | Servo Motor | Motor family associated with compatible Lexium servo applications | Confirm the exact motor and feedback configuration against the drive |
Key Advantages
- Supports 400 W servo motor applications.
- Offers position, speed and torque control modes.
- Provides CANopen communication for compatible motion systems.
- Supports pulse-command positioning in suitable configurations.
- Includes motor feedback and braking-resistor interfaces for configured servo applications.
Technical FAQs
Which motor should be paired with the LXM23AU04M3X?
Select a servo motor whose rated power, voltage, current and encoder interface match the drive. The motor’s inertia and the machine’s acceleration requirements should also be considered when sizing the complete axis.
Can the LXM23AU04M3X operate through CANopen instead of pulse commands?
Yes. The drive supports CANopen communication, as well as pulse-based control in compatible configurations. The selected method depends on the controller, network architecture and drive parameter settings.
When is an external braking resistor required?
A braking resistor may be needed when deceleration or repeated changes in speed return energy to the drive’s DC bus faster than the system can accommodate. Selection must follow the drive’s permitted resistance and power specifications.
What should be checked if the servo motor vibrates or fails to reach its target position?
Check the motor and encoder compatibility, feedback wiring, command scaling, control parameters and mechanical coupling. Also review the drive’s active alarms and the motion profile to determine whether the issue originates in the electrical configuration or the machine mechanics.