Schneider Electric LXM05 Servo Drives: LXM05AD28M2

Technical Dossier

Product Details And Specifications

Schneider Electric LXM05 Series: Comprehensive Module Range and Technical Overview

The Schneider Electric Lexium 05 (LXM05) series is a compact, single-axis AC servo drive platform deployed across heavy industrial sectors including petrochemical processing, nuclear auxiliary systems, offshore drilling equipment, and continuous-process refinery automation. Rated for single-phase and three-phase supply inputs from 100 VAC to 240 VAC, the LXM05 series covers output current ranges from 0.9 A to 28 A RMS, making it suitable for servo motor shaft powers from 0.1 kW to 3.0 kW. Its integrated CANopen and Modbus RTU communication interfaces allow direct integration into Schneider Electric PLC architectures (Modicon M340, Premium, Quantum) without external gateway hardware. The series is IEC 61800-5-1 compliant and carries CE, UL, and cUL certifications, meeting the regulatory requirements of both European and North American plant installations. As of 2024, the LXM05 series has entered the mature/end-of-active-production phase; Schneider Electric has transitioned new design recommendations toward the Lexium 32 (LXM32) and Lexium 62 (LXM62) platforms. However, the installed base of LXM05 units in operating plants remains substantial, and lifecycle extension support — including spare unit sourcing, repair, and functional testing — remains a critical supply chain requirement for maintenance engineering teams.

The Evolution of LXM05 Architecture

The LXM05 series was introduced by Schneider Electric (then Telemecanique) in the early 2000s as a successor to the Lexium 05 predecessor drives, consolidating single-axis servo control into a DIN-rail-mountable form factor. The initial hardware revision (LXM05A) established the core architecture: an IGBT-based power stage, an integrated position/speed/torque control loop running at 16 kHz PWM frequency, and a resolver or incremental encoder feedback interface. The control board communicates with the host PLC via RS-485 Modbus RTU (standard) or CANopen DS402 (optional fieldbus card). A subsequent firmware revision introduced enhanced auto-tuning algorithms and expanded the supported motor catalog to include BSH, BMH, and SH3 series Lexium servo motors. Compatibility constraints are significant for maintenance engineers: LXM05 drives are paired with specific motor power cables and feedback cables (VW3M5101 to VW3M5115 range); substituting non-matched cable assemblies will trigger encoder fault codes (F-Er.004, F-Er.005). The LXM05 is not software-compatible with SoMove setup software versions above 2.6.x without a legacy plugin; engineers maintaining these drives must retain the correct SoMove version or use the dedicated LXM05 commissioning tool. Migration to LXM32 requires full motor re-sizing, new cable sets, and PLC function block library updates — a non-trivial engineering effort that explains the continued demand for LXM05 spare units in brownfield facilities.

LXM05 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified LXM05 series product range. Each unit is a single-axis AC servo drive; functional classification reflects primary application role.

Single-Phase Input (100–120 VAC / 200–240 VAC) — Compact Power Range:

• LXM05AD10M2: Single-phase 200–240 VAC, 1.0 A continuous output, 0.1 kW rated; entry-level axis for light-load positioning.
• LXM05AD14M2: Single-phase 200–240 VAC, 1.4 A continuous output, 0.2 kW rated; compact conveyor and indexing table drives.
• LXM05AD17M2: Single-phase 200–240 VAC, 1.7 A continuous output, 0.3 kW rated; standard pick-and-place servo axis.
• LXM05AD28M2: Single-phase 200–240 VAC, 2.8 A continuous output, 0.5 kW rated; mid-range axis for packaging and labeling machinery. (Current SKU: LXM05AD28M2)
• LXM05AD57M2: Single-phase 200–240 VAC, 5.7 A continuous output, 1.0 kW rated; high-cycle indexing and rotary table applications.
• LXM05AD85M2: Single-phase 200–240 VAC, 8.5 A continuous output, 1.5 kW rated; servo axis for medium-duty web tension control.

Three-Phase Input (200–240 VAC) — Mid to High Power Range:

• LXM05AD57N4: Three-phase 380–480 VAC, 5.7 A continuous output, 1.5 kW rated; standard industrial servo axis for 400 V plant networks.
• LXM05AD85N4: Three-phase 380–480 VAC, 8.5 A continuous output, 2.0 kW rated; servo axis for pump and compressor auxiliary drives.
• LXM05AD14N4: Three-phase 380–480 VAC, 14 A continuous output, 3.0 kW rated; high-torque axis for heavy-duty servo applications.
• LXM05AD28N4: Three-phase 380–480 VAC, 28 A continuous output, 5.5 kW rated; maximum-power LXM05 variant for large-format CNC and press brake axes.

Communication & Option Modules:

• VW3A3608: CANopen fieldbus option card for LXM05; enables DS402 drive profile over CAN network.
• VW3A3616: DeviceNet option card for LXM05; for integration into Allen-Bradley ControlLogix-managed plant networks.
• VW3A3619: PROFIBUS DP option card for LXM05; standard interface for Siemens S7 co-located servo axes.
• VW3A3618: EtherNet/IP option card for LXM05; enables real-time Ethernet servo control in modernized plant architectures.

Braking & Filtering Accessories:

• VW3A7101: External braking resistor assembly for LXM05 M2 variants; required for high-inertia load deceleration cycles.
• VW3A31102: EMC line filter for LXM05; Class C2 conducted emission compliance for CE-marked installations.

Sourcing Hard-to-Find & Obsolete LXM05 Parts

With the LXM05 series in its end-of-active-production phase, OEM channel availability for specific variants — particularly low-current M2 models (LXM05AD10M2, LXM05AD14M2) and high-power N4 models (LXM05AD28N4) — has become inconsistent. Lead times through standard distribution channels can extend to 16–26 weeks for non-stocked variants. DriveKNMS maintains a dedicated inventory of LXM05 series units sourced from decommissioned plant equipment, authorized surplus channels, and factory-refurbished stock. All units are cataloged by hardware revision and firmware version to ensure compatibility with the customer's existing SoMove configuration files and PLC function block libraries. For facilities operating under planned maintenance schedules, DriveKNMS offers consignment stock agreements that guarantee unit availability within 48 hours of a maintenance event, eliminating unplanned downtime risk associated with single-source OEM dependency. Customers requiring matched motor-drive sets (LXM05 drive + BSH or BMH motor + VW3M cable assembly) can request pre-configured kits verified for electrical compatibility prior to shipment.

Quality Control for the LXM05 Range

Each LXM05 unit processed by DriveKNMS undergoes a structured functional verification protocol before dispatch. The power stage is tested under resistive load at rated output current (continuous and peak) to verify IGBT switching integrity and thermal management performance. The control board is exercised through a full speed/torque/position loop sequence using a reference BSH servo motor on a dedicated test bench, confirming encoder feedback signal integrity (A/B/Z differential channels and resolver excitation/response) and confirming that no latent fault codes are stored in the drive's non-volatile fault log. Fieldbus option cards (CANopen, PROFIBUS, DeviceNet, EtherNet/IP) are verified for node address assignment and cyclic data exchange at rated network speed. Firmware version is recorded and reported on the test certificate accompanying each unit. Units that fail any stage of this protocol are quarantined, documented, and either returned for component-level repair or scrapped — they are not re-entered into serviceable stock.