P50B0704DXS00 Sanyo Denki
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The Sanyo Denki P50B0704DXS00 is part of the P5 Super BL Servo Motors series and uses brushless motor technology. This servo motor features a rated output of 400 W, a flange size of 76 mm, and an encoder resolution of 2,000 pulses per revolution. It provides a continuous stall torque of 1.372 Nm and has a maximum speed of 4,500 min-1.
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Product Description:
The P50B0704DXS00 is a brushless servo motor built by Sanyo Denki for the P5 Super BL Servo Motors series. As a compact rotary actuator, it provides closed-loop position and velocity control for pick-and-place arms, indexing tables, and other automation axes. Its 76 mm square flange permits direct mounting to medium-frame gearheads, while its 2.1 kg mass helps limit the load placed on supporting machine structures. Internal three-phase windings, a Hall sensor array, and an incremental encoder work together so a compatible drive can perform electronic commutation and regulate torque throughout the operating range.
The motor delivers a continuous mechanical output of 400 W at its rated speed of 3,000 rpm. Under these conditions, it produces a rated shaft torque of 1.274 N·m while drawing a phase current of 3.0 Arms. Its torque constant of 0.481 N·m/Arms relates commanded drive current to the torque produced at the rotor. The phase resistance is 1.65 Ω, and the electrical time constant is 4.0 ms. A rated power rate of 22.1 kW/s indicates how rapidly mechanical power can increase during acceleration. The rotor inertia is 0.74 × 10⁻⁴ kg·m², while the mechanical time constant is 1.6 ms, supporting responsive changes in shaft speed when the drive applies an appropriate command.
The motor tolerates transient demands beyond its nominal operating point, with the shaft capable of reaching 4,500 rpm for short periods. Sudden load changes are supported by a maximum stall torque of 3.92 N·m, providing additional torque during brief acceleration or disturbance events. Continuous holding capability at zero speed is provided by a stall torque of 1.372 N·m, allowing the motor to maintain position within its thermal limits. A high-resolution 2,000 P/R optical encoder supplies detailed position feedback to the motion controller. The encoder signal supports accurate speed calculation and precise correction of position errors during repetitive movement. The lack of a mechanical commutator reduces wear during frequent starts, stops, and direction changes in automated machinery.
