YASKAWA SGMPH-04AAA61D-OY 200V 400W Servo Motor

The YASKAWA SGMPH-04AAA61D-OY is a 400-watt AC servo motor from the renowned Sigma II series, designed for precision motion control in industrial automation systems. This 200V class motor combines compact size with high torque density, making it suitable for applications where performance and space efficiency are critical requirements.

Product Overview

The SGMPH series represents Yaskawa's Sigma II generation of AC servo motors, which established new standards for performance and reliability in the motion control industry. The SGMPH-04AAA61D-OY is rated at 400W output power and operates on a 200V AC power supply, making it compatible with standard industrial power systems worldwide. The motor is designed for use with Yaskawa SGDH series servo amplifiers, forming a complete Sigma II servo system.

The Sigma II series documentation provides comprehensive information about designing, installing, operating, and maintaining servo systems using SGMPH servomotors. These motors incorporate advanced servo control technology that delivers precise and fast motion control capabilities for demanding industrial applications.

Technical Specifications

The SGMPH-04AAA61D-OY delivers a rated output of 400 watts at a rated speed of 3000 RPM. The motor incorporates a high-resolution serial encoder that provides precise position feedback to the servo drive, enabling accurate speed control and positioning. The encoder resolution allows for fine motion control suitable for applications requiring sub-micron positioning accuracy.

The motor's design includes considerations for thermal management, with the housing engineered for efficient heat dissipation during continuous duty cycles. High-quality bearings are selected for extended service life and the ability to handle both radial and axial loads encountered in typical industrial applications. The internal windings feature high-grade insulation that resists voltage spikes common in PWM-driven servo systems.

Mechanical Design

The SGMPH-04AAA61D-OY features a compact frame size that facilitates integration into machines with limited mounting space. The motor incorporates a medium-inertia rotor design optimized for applications with varying load characteristics. This inertia matching ensures stable system operation even under rapid acceleration and deceleration cycles, making the motor well-suited for high-speed packaging, electronic assembly, and robotic applications.

The motor includes provisions for shaft sealing and environmental protection appropriate for industrial operating conditions. The -OY designation in the model number indicates specific options and customizations for the particular application, including shaft configuration and connection arrangements. The standardized mounting flange ensures compatibility with a range of precision gearheads and mechanical actuators.

Encoder and Feedback System

At the heart of the SGMPH-04AAA61D-OY is its high-resolution serial encoder, which provides thousands of pulses per revolution to the servo drive. This high-fidelity feedback enables exceptional speed stability, particularly at low RPMs, and contributes to the motor's positioning accuracy. The encoder's design minimizes torque ripple, ensuring smooth motion across the motor's entire operating speed range.

The integrated serial feedback system includes sophisticated error-checking routines to prevent signal loss and ensure reliable position feedback even in electrically noisy industrial environments. For absolute positioning applications, the encoder can be paired with a battery backup at either the host controller or the SERVOPACK to retain position information when power is removed.

Applications

The SGMPH-04AAA61D-OY is suitable for a wide range of precision motion control applications. Typical uses include pick-and-place machines requiring fast, accurate positioning, electronic assembly equipment demanding smooth motion at low speeds, laboratory automation where space and precision are critical, small conveyor systems needing controlled acceleration and deceleration, and specialized machinery for medical device manufacturing. The 400W power rating makes this motor ideal for applications requiring moderate torque in a compact package.