Description
Real-World Use & Application Scenarios
In the heart of a high-speed packaging line, where servo-driven actuators place, fill, and seal containers with rhythmic precision, or within a complex material handling system that coordinates the movement of multiple robotic arms, the demand for synchronized motion is absolute. These applications rely on a centralized command center to orchestrate complex multi-axis sequences, ensuring that every move is perfectly timed and coordinated. The ASM81-B-0B-00-NB10 serves as this critical command center, deployed in industries like automotive assembly, where it manages the precise positioning of welding guns, or in electronics manufacturing, where it controls the delicate placement of components onto circuit boards. This module addresses the fundamental challenge of converting high-level motion commands into the precise electrical signals that drive servo and stepper motors. By providing stable, high-resolution control, the ASM81-B-0B-00-NB10 directly enables the high throughput, repeatability, and tight tolerances required in modern discrete automation, making it a foundational component for engineers designing machinery that demands both speed and accuracy.
Product Introduction & Positioning
The ASM81-B-0B-00-NB10 is a high-performance servo drive module, a key component within a modular motion control system. It functions as the intelligent amplifier that sits between a motion controller and a servo motor. Its role is to receive a low-power command signal—typically a pulse train or an analog voltage—and amplify it into the high-current, three-phase power required to precisely control the torque, speed, and position of a servo motor. This unit is designed for integration into centralized control cabinets, often as part of a multi-axis system where several drives are networked together. For machine builders and control system integrators, the value of the ASM81-B-0B-00-NB10 lies in its combination of power density and advanced programmability. It consolidates the functions of an amplifier, a power supply, and often a basic motion controller into a single, compact form factor, significantly reducing cabinet space, wiring complexity, and commissioning time for sophisticated automation equipment.
Key Technical Features & Functional Benefits
The ASM81-B-0B-00-NB10 delivers its performance through a robust power stage and sophisticated control algorithms. A core strength is its high-speed processing of command inputs, which minimizes latency and ensures the servo motor responds instantaneously to changes in the motion profile, which is critical for contouring applications and reducing settling time. The drive incorporates advanced functions like electronic Gearing, Cam profiling, and customizable filters for vibration suppression, allowing engineers to fine-tune the machine’s performance mechanically through software. This capability to compensate for mechanical resonances or inaccuracies directly translates into smoother operation, higher product quality, and less wear on mechanical components.
From a hardware perspective, the ASM81-B-0B-00-NB10 is built for the demanding electrical environment of an industrial cabinet. It features a compact, book-style design for efficient side-by-side mounting and optimal heat dissipation across a shared heatsink. The unit supports a wide range of feedback systems, including high-resolution encoders and resolvers, ensuring precise closed-loop control. Connectivity is a key advantage, with support for standard industrial networking protocols that allow for seamless integration into a larger PLC-based control system. This enables centralized parameter setting, real-time status monitoring, and sophisticated diagnostic functions, making the ASM81-B-0B-00-NB10 not just a power amplifier, but an intelligent node in a smart machine network.
- ASM81-B-0B-00-NB10(6.6)
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | ASM81-B-0B-00-NB10 |
| Brand | Bosch Rexroth |
| Type | Servo Drive Amplifier |
| Power Supply | 200-480 V AC, 3-Phase |
| Output Current | 10 A Continuous, 20 A Peak |
| Operating Temperature | 0 to 45 °C (32 to 113 °F) |
| Mounting | Through-bolt, shared heatsink |
| Dimensions | 205 mm x 75 mm x 245 mm (H x W x D) |
| Weight | Approx. 3.5 kg |
| Control Interfaces | Pulse & Direction, Analog ±10V, SERCOS |
| Feedback Interfaces | EnDat, Resolver, Hiperface |
| Certifications | CE, cULus |
| Cooling | Conduction (Forced air on heatsink) |
| Protection Class | IP20 |
Related Modules or Compatible Units
MSK070C-0300-NN-M1-UG0 – A high-torque synchronous servo motor perfectly matched to the drive’s power and feedback capabilities.
HCS02.1E-W00130-A-03-NNNN – A motion controller that provides the high-level trajectory planning for the drive to execute.
HNV105-2X02-01-V0W51A0 – A power supply module designed to feed the DC bus for a multi-drive system.
MKD071B-144-KG1-KN – A compact servo motor suitable for smaller axes controlled by the ASM81-B-0B-00-NB10.
R911404019 – IndraDrive CS – A cabinet-mounted power regeneration module for managing braking energy in systems with high cycle rates.
Installation Notes & Maintenance Best Practices
Proper installation of the ASM81-B-0B-00-NB10 is critical for performance and safety. The drive must be mounted vertically on a flat, clean heatsink to ensure efficient thermal conduction; applying the correct thermal compound and torque to the mounting bolts is essential to prevent overheating. Use appropriately sized, shielded cables for both power and feedback, and strictly adhere to the separation guidelines to keep high-power motor leads away from sensitive signal and encoder wiring. Always ensure the main power is disconnected before performing any wiring, and properly ground the drive chassis, motor frame, and cable shields to a common star point to minimize electrical noise and protect against transient voltages.
Routine maintenance for the ASM81-B-0B-00-NB10 is primarily centered on thermal management and periodic inspection. Regularly check that the cooling fans on the shared heatsink assembly are operating correctly and that the air intake filters are clean to prevent overheating. It is good practice to periodically monitor the drive’s internal temperature and load parameters via its diagnostic software interface to establish a performance baseline. Visually inspect the unit and its connections during scheduled machine downtime for any signs of overheating, loose terminals, or capacitor bulging. Keeping a backup of the drive’s specific parameters on file ensures a quick recovery in the event of a replacement.






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