The ASM81-B-0B-00-NB10(6.6) is a compact servo drive designed as a key component in Schneider Electric’s Lexium 81 motion control system. As part of the company’s industrial motion lineup, it bridges the gap between motion controllers and servo motors, converting digital command signals into precise current, voltage, and frequency outputs that drive motor operation.
Model ASM81-B-0B-00-NB10(6.6)
Brand Schneider Electric
Type Servo Drive
Continuous Output Current 6.6 A
Peak Output Current 19.8 A (3x continuous)
Supply Voltage 3x 400-480V AC (380V AC nominal)
Control Mode Position, speed, torque
Communication Ethernet/IP, CANopen
Operating Temperature -10°C to 55°C (14°F to 131°F)
Dimensions 145mm x 130mm x 38mm (W x H x D)
Weight 0.65 kg (1.43 lbs)
Certifications CE, UL, cUL, RoHS
Feedback Support Incremental encoder, absolute encoder
The ASM81-B-0B-00-NB10(6.6) is a compact servo drive designed as a key component in Schneider Electric’s Lexium 81 motion control system. As part of the company’s industrial motion lineup, it bridges the gap between motion controllers and servo motors, converting digital command signals into precise current, voltage, and frequency outputs that drive motor operation.
ASM81-B-0B-00-NB10(6.6)
Its primary role is to regulate servo motor performance—controlling speed, torque, and position with high dynamic response—while providing real-time feedback to the controller for closed-loop operation. For engineers and integrators, the ASM81-B-0B-00-NB10(6.6) offers significant value through its compact footprint and flexible configuration, enabling installation in space-constrained machinery without sacrificing performance. Whether powering single-axis systems or coordinating multi-axis movements, this drive integrates seamlessly with Schneider’s machine automation platforms, simplifying system design while ensuring motion accuracy.
ASM81-B-0B-00-NB10(6.6)
Main features and advantages:
The ASM81-B-0B-00-NB10(6.6)stands out in industrial servo drives with features engineered for precision and adaptability. Functionally, it delivers impressive dynamic performance with a current loop bandwidth of 1.5 kHz, enabling rapid response to command changes—critical in applications like pick-and-place robots where cycle times measure in milliseconds. Its 6.6 A continuous output current (with 3x peak current capability) provides the torque reserve needed for quick accelerations, while advanced control algorithms minimize torque ripple at low speeds, ensuring smooth operation in applications like fiber optic winding machines.
Hardware design prioritizes space efficiency and thermal management. The compact 145mm x 130mm x 38mm housing fits easily into control cabinets with dense component layouts, while its fanless design reduces maintenance needs and eliminates acoustic noise—valuable in food processing environments where contamination risks from fan debris are a concern. A key advantage is its wide operating temperature range (-10°C to 55°C), allowing installation in machinery cabinets without dedicated cooling.
Compatibility is a strong suit, supporting both incremental and absolute encoders for flexible feedback integration, and working seamlessly with Schneider’s Modicon M340/M580 PLCs via Ethernet/IP. This versatility allows the ASM81-B-0B-00-NB10(6.6) to fit into both new installations and retrofit projects, providing a cost-effective upgrade path for older motion systems.
ASM81-B-0B-00-NB10(6.6)
Technical specifications:
Model ASM81-B-0B-00-NB10(6.6)
Brand Schneider Electric
Type Servo Drive
Continuous Output Current 6.6 A
Peak Output Current 19.8 A (3x continuous)
Supply Voltage 3x 400-480V AC (380V AC nominal)
Control Mode Position, speed, torque
Communication Ethernet/IP, CANopen
Operating Temperature -10°C to 55°C (14°F to 131°F)
Dimensions 145mm x 130mm x 38mm (W x H x D)
Weight 0.65 kg (1.43 lbs)
Certifications CE, UL, cUL, RoHS
Feedback Support Incremental encoder, absolute encoder
In precision manufacturing environments where even micrometer-level deviations can compromise product quality, motion control systems demand components that deliver unwavering accuracy. From electronics assembly lines placing tiny surface-mount components to medical device factories machining surgical instruments, servo drives form the core of systems requiring precise speed and position control. The ASM81-B-0B-00-NB10(6.6) excels in these high-precision settings, serving as a compact yet powerful servo drive that translates controller commands into smooth, precise motor movements—even in applications with rapid acceleration changes and tight synchronization requirements.
Consider a photovoltaic panel production facility, where robotic arms must align delicate glass sheets with sub-millimeter precision during lamination. Here, the ASM81-B-0B-00-NB10(6.6) drives the servo motors controlling these arms, maintaining constant torque during slow positioning movements and delivering rapid response during sudden direction changes. In packaging machinery for pharmaceutical blister packs, it ensures the sealing dies move with exact timing relative to the film feed, preventing costly material waste from misalignment. This drive is essential in industrial automation, providing the dynamic performance needed to keep precision motion systems operating within tight tolerances.
ASM81-B-0B-00-NB10(6.6)
Related products:
ASM81-B-1B-00-NB10(11) – Higher current (11A continuous) variant of the ASM81-B-0B-00-NB10(6.6), for larger servo motors in heavy-duty applications.
ILM32-A211 – Lexium 32 servo drive that works alongside the ASM81-B-0B-00-NB10(6.6) in mixed-power motion systems.
BSH1003P11A1A – Servo motor optimally matched to the ASM81-B-0B-00-NB10(6.6) for 6.6A continuous operation.
TWDLCAE40DRF – M221 PLC that communicates with the ASM81-B-0B-00-NB10(6.6) via Ethernet/IP for simple motion control.
LXM32AD18M3 – Drive module that extends the ASM81-B-0B-00-NB10(6.6)’s communication capabilities with additional protocols.
ASM81-B-07-00-NB10(4.5) – Lower current (4.5A) model, ideal for smaller axes in systems using the ASM81-B-0B-00-NB10(6.6) for primary motion.
VW3M8110R30 – Encoder cable specifically designed for the ASM81-B-0B-00-NB10(6.6) to ensure noise-free feedback signals.
M241CE40R – M241 PLC with motion control capabilities that directly commands the ASM81-B-0B-00-NB10(6.6) in standalone systems.
Installation and maintenance:
Before installing the ASM81-B-0B-00-NB10(6.6), ensure the mounting surface provides adequate heat dissipation—use a metal backplate with thermal conductivity ≥10W/m·K when operating at currents above 5A. Verify the input power supply includes proper filtering to reduce conducted noise, as voltage spikes can affect control precision. Allow at least 20mm clearance above and below the drive for convection cooling, and avoid mounting near heat sources exceeding 55°C. When wiring motor connections, ensure phase conductors are sized for 10A continuous current (minimum 1.5mm²) and twisted-pair cables are used for encoder signals to minimize EMI.
For maintenance, inspect cooling vents monthly for dust accumulation—compressed air cleaning is recommended in textile or woodworking environments with high particulate levels. Check motor and encoder connections quarterly for tightness, as vibration can loosen terminals over time. Use Lexium Motion Studio software semi-annually to run drive diagnostics, verifying current regulation and feedback signal integrity. When updating firmware, ensure the ASM81-B-0B-00-NB10(6.6)is powered from an uninterruptible supply to prevent corruption during the process.
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