Product Short Description
Product Name: Bosch Rexroth ASM81 Series Servo Drive Amplifier (model ASM81-B-0B-00-NB10, rated 6.6 kW).
Product Overview: The ASM81-B-0B-00-NB10 is a high-performance servo drive amplifier from the Bosch Rexroth ASM81 series, designed for demanding industrial motion control applications. It delivers precise motor control with multiple feedback options and communication interfaces.
Description
Technical Specifications:
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Brand: Bosch Rexroth
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Type: Servo Drive Amplifier
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Power Supply: 200–480 VAC, 3-phase
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Continuous Output Current: 10 A
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Peak Output Current: 20 A
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Operating Temperature: 0 °C to 45 °C (32 °F to 113 °F)
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Control Interfaces: Pulse & Direction, Analog ±10 V, SERCOS
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Feedback Interfaces: EnDat, Resolver, Hiperface
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Cooling: Conduction (forced air on heatsink)
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Protection Class: IP20
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Certifications: CE, cULus
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Dimensions: 205 mm × 75 mm × 245 mm (H × W × D)
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Weight: approx. 3.5 kg
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Mounting: Through-bolt, shared heatsink
Key Features:
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3-phase 200–480 VAC input with 10 A continuous / 20 A peak output
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Multiple control interfaces: Pulse & Direction, Analog ±10 V, and SERCOS
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Supports multiple encoder/feedback types: EnDat, Resolver, Hiperface
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Conduction cooling via shared heatsink for efficient thermal management
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CE and cULus certified for global deployment
Application Scenarios:
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Industrial motion control requiring high precision and dynamic response
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Machine tools, robotics, and automated production lines
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Applications needing SERCOS, analog, or pulse/direction control interfacing
Installation & Usage Notes:
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Must be mounted vertically on a flat, clean heatsink to ensure efficient thermal conduction; apply correct thermal compound and bolt torque to prevent overheating
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Use appropriately sized, shielded cables for both power and feedback; strictly adhere to separation guidelines to keep high-power motor leads away from sensitive signal and encoder wiring
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Always disconnect main power before performing any wiring
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Properly ground the drive chassis, motor frame, and cable shields to a common star point to minimize electrical noise and protect against transient voltages
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Routine maintenance: regularly check cooling fans on the shared heatsink assembly and clean air intake filters; periodically monitor drive’s internal temperature and load parameters via diagnostic software; visually inspect for overheating, loose terminals, or capacitor bulging during scheduled downtime






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