Schneider Electric LXM15MD40N4 – High-Performance AC Servo Drive | Lexium 15 Platform
Engineering Background: The Lexium 15 series represents Schneider Electric’s dedicated motion control platform engineered for demanding industrial automation environments. Designed to meet IEC 61800-5-1 safety standards, the LXM15MD40N4 delivers precise torque, velocity, and position control for multi-axis machine architectures.
Product Positioning: The LXM15MD40N4 is a 4kW, 400V three-phase AC servo drive targeting OEM machine builders, system integrators, and MRO procurement teams requiring a drop-in replacement or new-build servo axis with full Schneider Electric ecosystem compatibility. It interfaces natively with Modicon M340, M580, and Premium PLCs via CANopen or Sercos fieldbus.
Complete Technical Specifications
| Part Number / SKU | LXM15MD40N4 |
| Brand | Schneider Electric |
| Series | Lexium 15 |
| Drive Type | AC Servo Drive (Amplifier) |
| Continuous Output Power | 4.0 kW |
| Supply Voltage | 380–480 V AC, 3-phase ±10% |
| Supply Frequency | 50/60 Hz |
| Continuous Output Current | 9.5 A RMS |
| Peak Output Current | 28.5 A (3× rated, 2 s) |
| DC Bus Voltage | 540–680 V DC |
| Switching Frequency | 8 kHz (default) |
| Encoder Interface | Incremental / Hiperface / EnDat 2.1 |
| Fieldbus Options | CANopen DS402 / Sercos II / Pulse-Direction |
| Digital Inputs | 6 × 24 V DC programmable |
| Digital Outputs | 3 × 24 V DC programmable |
| Analog Input | 1 × ±10 V, 12-bit resolution |
| Protection Class | IP20 (panel-mount) |
| Operating Temperature | 0 °C to +45 °C (derate above 40 °C) |
| Storage Temperature | -25 °C to +70 °C |
| Humidity | 5–95% RH, non-condensing |
| Altitude | ≤ 1000 m (derate above) |
| EMC Standard | EN 61800-3 Category C2 |
| Safety Standard | IEC 61800-5-1, CE marked |
| Dimensions (H×W×D) | 270 × 70 × 195 mm |
| Weight | 2.5 kg |
| Country of Origin | France |
Proven Application Environments
- Packaging Machinery: High-speed pick-and-place, form-fill-seal, and labeling lines requiring sub-millisecond torque response.
- CNC & Machine Tools: Multi-axis contouring with Sercos II synchronization for coordinated motion profiles.
- Textile & Printing: Tension control and register correction on web-handling systems.
- Semiconductor & Electronics Assembly: Precision positioning stages with encoder resolutions up to 2²³ counts/rev.
- Material Handling & Conveyors: Distributed axis control via CANopen network with Modicon M340/M580 master.
- Robotics & Gantry Systems: Coordinated multi-axis motion with electronic gearing and cam profiles.
Engineering Advantages
- Native Schneider Ecosystem Integration: Plug-and-play with SoMove commissioning software; full parameter set accessible via USB or CANopen without additional gateways.
- Dual-Loop Control Architecture: Independent current, velocity, and position loops with auto-tuning wizard reduce commissioning time by up to 60%.
- Safe Torque Off (STO): Integrated SIL 2 / PLd safety function eliminates external safety relay in most machine safety architectures.
- Regenerative Braking: Internal braking resistor with external resistor option for high-inertia or frequent deceleration cycles.
- Compact DIN-Rail Footprint: 70 mm width enables high-density multi-axis panel layouts, reducing cabinet size and wiring cost.
- Wide Motor Compatibility: Supports full Lexium BSH/BMH servo motor range; third-party motors configurable via motor parameter tables.
System Architecture & Signal Flow
The LXM15MD40N4 operates within a closed-loop servo architecture:
- PLC / Motion Controller (Modicon M340/M580 or third-party) issues position/velocity setpoints via CANopen DS402 or Sercos II.
- LXM15MD40N4 Drive executes the trajectory, closing the position loop at 1 ms cycle time and the current loop at 125 µs.
- Servo Motor (BSH/BMH series) provides encoder feedback (incremental or absolute) back to the drive for real-time correction.
- I/O Interface: 6 DI / 3 DO handle limit switches, home sensors, and drive-ready signals to the safety PLC or machine controller.
- STO Channel: Dual-channel 24 V DC STO input disables PWM output within 10 ms without removing main power, enabling safe stop Category 0/1.
Sourcing & Quality Verification
- OEM Traceability: All units sourced through authorized Schneider Electric distribution channels with full lot traceability and date codes.
- Pre-Shipment Inspection: Each drive undergoes functional power-on test, firmware version verification, and visual inspection per IPC-A-610 workmanship standards.
- Packaging: Original Schneider Electric anti-static packaging with factory seal; tamper-evident labeling on all units.
- Warranty: 12-month Konmask warranty covering manufacturing defects; DOA replacement within 7 business days.
- Counterfeit Prevention: Serial number verification available upon request via Schneider Electric’s product authentication portal.
Procurement Process
- Submit RFQ: Email [email protected] with quantity, required delivery date, and project details.
- Quotation: Receive formal quotation with lead time, unit price, and shipping options within 24 business hours.
- Order Confirmation: Purchase order accepted via email; proforma invoice issued for wire transfer or credit card payment.
- Inspection & Dispatch: Pre-shipment inspection completed; tracking number provided within 2 business days of payment clearance.
- Delivery: DHL / FedEx express (3–7 days worldwide); sea freight available for bulk orders ≥ 10 units.
- After-Sales Support: Technical commissioning support available via WhatsApp/WeChat: +0086 19859288691.
Technical FAQ
Q: Is the LXM15MD40N4 compatible with non-Schneider servo motors?
A: Yes. Third-party motors can be configured by entering motor nameplate data (Ke, Rs, Ls, J) into SoMove software. Encoder type must match one of the supported interfaces (incremental TTL, Hiperface, or EnDat 2.1).
Q: What is the difference between LXM15MD40N4 and LXM32MD40N4?
A: The LXM15 is the predecessor Lexium 15 platform; the LXM32 belongs to the newer Lexium 32 generation with EtherCAT support and enhanced safety functions. Both share similar power ratings but differ in fieldbus options and form factor.
Q: Can this drive operate on a 480 V supply?
A: Yes. The LXM15MD40N4 accepts 380–480 V AC ±10%, making it suitable for both European (400 V) and North American (480 V) industrial supplies without hardware modification.
Q: What SoMove version is required for commissioning?
A: SoMove v2.8 or later with the LXM15 DTM library installed. Free download available from Schneider Electric’s software portal.
Q: Is STO certification documentation available?
A: Yes. The SIL 2 / PLd certificate (TÜV Rheinland) is available upon request for machine safety documentation packages.
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