Servo Drives
Σ-II Series [ SGMAH, SGMPH, SGMGH, SGMSH, SGMDH/SGDM ]
The Σ-II will increase your production and take your machine's potential to its highest performance ever.
Its outstanding rapid response is achieved with a 1/3 settling time due to 1/2 CPU operation time and upgraded new control algorithms.
Features
Feature 1High Performance
- Shortened Settling Time
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The upgraded control algorithms have enhanced controls against vibration, such as the model follow-up control and the vibration suppression control. Position settling time can be reduced to a third of conventional models, even if your machine is not rigid. |
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- High-Speed/Highly Accurate Drives
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Speeds up to 5000 min-1are available (Models SGMAH/SGMPH/SGMSH)
A high-resolution serial encoder (16, 17 bits) has been used to improve positioning accuracy. Also, the d-q current vector control system improves torque control accuracy (repeatability) from ±5% to ±2%.
- Smooth Operation
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Speed observer control reduces motor speed ripple. Operation is smooth at low speeds.
Feature 2Easy Setup
- Online Autotuning
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Automatically adjusts to machine characteristics and sets servo gains. No need for troublesome adjustments.
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- Automatic Motor Discrimination Function
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The SERVOPACK automatically discriminates the servomotor capacity and type, and automatically sets motor parameters.
- Regenerative Resistor Connection Terminals
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A regenerative resistor can be connected easily due to standardization of regenerative resistor connection terminals for external mounting.
Feature 3Easy Maintenance
- Isolated Main and Control Circuit Power Supplies
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The power supplies for the main and control circuits are isolated from each other for easy maintenance. If an alarm occurs only the main circuit is shut down.
- Parameter Setting Device Built In
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Enables direct parameter inputs from the SERVOPACK.
- Reduced Wiring
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Adoption of a serial encoder reduces the number of wires by half.
Absolute encoder: 15 to 7 wires
Incremental encoder: 9 to 5 wires
Feature 4Flexible
- All-in-one Design
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Can be used for control of torque, positions, or speeds by merely switching the appropriate parameters.
- Support for Wide Range of Motor Specifications
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Including motors with brakes, gears, or absolute encoders. Choose motors according to your application.
Feature 5Reliable
- International Standards
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Full conformance to CE marking, UL, and cUL.
(SGMAH,SGMPH Servomotors; SGDM SERVOPACK 0.03kW to 7.5kW)
- Environmental Resistance (Servomotors)
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Enhanced Protective Enclosure: Complies with IP55 standard (Model SGMAH).
Enhanced Vibration Resistance: Safe for vibration acceleration up to 5 G (Models SGMAH, SGMPH).
