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Yaskawa AC Servo

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Created with the design concept of "seven ultimate e-motional solutions," the Σ-7 series delivers the world's highest performance while providing other features such as further improvements in safety and an environmentally friendly design to meet the changing needs of its users. This series offers solutions that are guaranteed to satisfy users in all kinds of scenarios in the life-cycle of systems.

Σ-7S Single-axis SERVOPACKs

  • 3.1 kHz response frequency
  • Optimized for specific applications: New models in EX and FT series to be released
  • Improved vibration suppression

Σ-7W 2-axis SERVOPACKs

  • 2-axis SERVOPACKs (200 W × 2 axes to 1 kW × 2 axes)
  • 3.1 kHz response frequency
  • Improved vibration suppression

Σ-7 Servomotors

  • Compact dimensions (approx. 80% smaller than our earlier models.)
  • High-resolution 24-bit encoder incorporated (16,777,216 pulses/rev)
  • Maximum torque: 350% (small capacity)

High-Resolution, 24-bit Encoder

Σ-7 Servomotors (50 W or greater) use encoders with a resolution that are 16 times higher than those used in Σ-V Servomotors.

High Efficiency and Low Heat Generation

Σ-7 Servomotors use an optimized magnetic circuit that improves motor efficiency and reduces heat generation. (comparison with typical models.)
This video demonstrates Yaskawa's ultra high precision motion control with Yaskawa servo motors and amplifiers, linear motors, direct drive motors, and MP2000iec controllers connected on a MECHATROLINK network, using the pencil lead demo as a model.
This video demonstrates Yaskawa's performance in vibration surpression with Yaskawa servo system.