Oriental Motor BMU5120A-A Product Overview
The Oriental Motor BMU5120A-A is a high-performance 120 W (1/6 HP) brushless DC motor speed control system designed for industrial automation architectures requiring precise velocity regulation and high power density. Operating on a single-phase 100-120 VAC power supply, this compact package utilizes the proprietary NexBL advanced magnetic stator design to reduce electrical losses by up to 26% and overall motor weight by roughly 63% compared to conventional three-phase induction motors.
Key Technical Specifications
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Output Power: 120 W (1/6 HP)
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Power Supply Voltage: Single-Phase 100-120 VAC
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Variable Speed Range: 80 to 4000 r/min (16 to 800 r/min when paired with standard 5:1 gearhead)
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Speed Regulation: ±0.2% maximum against load, voltage, and temperature fluctuations
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Degree of Protection: Motor [IP40], Driver [IP20]
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Time Rating: Continuous
Multi-Speed Control and Digital Driver Interface
The integrated panel-mount type digital driver features an intuitive front-side setting dial that operates on a «turn-and-push» configuration mechanism. This digital setup enables operators to easily adjust motor rotation speed in precise 1 r/min increments without external tachometers. The driver supports sophisticated multi-speed operations with up to 4 independent speed settings, alongside adjustable analog (0.1 to 15.0 s) and digital (0.0 to 15.0 s) acceleration/deceleration ramp profiles tailored to the specific inertia demands of the machinery.
System Diagnostics and Fault Prevention Circuits
To ensure continuous operation and protect critical mechanical hardware, the BMU5120A-A features comprehensive, built-in protective alarm functions. The driver monitors real-time system stability and automatically executes safe shut-downs while outputting distinct error codes on its integrated digital screen. These safety circuits trigger immediately upon detecting conditions such as overcurrent, main circuit overheating, overvoltage, undervoltage, sensor errors, initial sensor failure, operation inhibition at power-on, and extended motor overload.
