Sigma-7

Description

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.

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Σ-7 SERVOPACKs can reduce speed ripples caused by motor cogging, even for machines for which speed loop gains cannot be set high. This ensures smooth operation

Enhanced vibration suppression function

• Notch filter Suppresses high-frequency vibrations of 500 Hz or higher. ⇒Number of filters increased from 2 to 5.
• Anti-resonance control adjustment Suppresses vibrations at frequencies ranging from several hundred Hz to 1 kHz. ⇒Vibrations can now be suppressed at two different frequencies (in comparison with one frequency in earlier models).
• Vibration suppression Suppresses vibrations at low frequencies (30 Hz and lower).⇒Vibrations can now be suppressed at two different frequencies (in comparison with one frequency in earlier models).

These functions can be adjusted automatically using the autotuning function.

	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


High efficiency and low heat generation

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