Yaskawa Sigma-7 Rotary Servo Motors

Rotary Servo Motor

  • 3.1kHz Frequency Response, nearly double the servo bandwidth of the Sigma-5 systems that set the industry standard in performance
  • New Tuning Functions: vibration suppression, anti-resonance compensation, friction model compensation and ripple compensation improve machine speed, accuracy and smoothness
  • Improved Tuning-less Mode delivers reliable stability with inertia ratios up to 30:1. Tuning gains adjust automatically and continually to provide consistent motion despite load changes
  • 24-bit absolute encoder feedback for 16x better resolution*
  • New Dual-axis SERVOPACKs save space, reduce enclosure size
  • 20% Reduction in motor size and motor heating*, for better e ciency and easier implementation
    in existing designs
  • Complete Sigma-5 compatibility. Servo motors and SERVOPACKs have interchangeable mounting dimensions, parameters convert to Sigma-7
    with SigmaWin+ software (included at no charge)
  • Network compatibility with built-in MECHATROLINK-III, EtherCAT and analog interfaces

• Built-in safety features with IEC 61508, SIL 3 Safe Torque O in Sigma-7 SERVOPACKs

• New thermal sensors on servo motors and SERVOPACKs directly monitor machine temperatures

• Better ratings in higher temperature environments (60oC ambient), at higher altitudes (>2,000 meters) or in harsh motor environments (IP67 rated)

• Regenerative Power Sharing with Dual-axis SERVOPACKs or DC-Bus connections
with single-axis SERVOPACKs

• Service Life Monitoring o ers preventive maintenance data on key SERVOPACK components

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