YASKAWA SGD7S-330A20A Servo Drive – High-Performance Single-Axis Control for Demanding Automation
The YASKAWA SGD7S-330A20A is a high-performance Sigma-7 series single-axis Servopack designed for precise motion control in modern industrial automation. Built for fast response, excellent positioning accuracy, and long-term reliability, this servo drive is ideal for machine builders and end users who need stable, repeatable performance in compact machines.
When paired with a compatible Sigma-7 servo motor, the SGD7S-330A20A delivers smooth torque, high-speed positioning, and advanced vibration suppression. It supports a range of control modes and communication options that make integration with existing systems straightforward, especially in packaging, assembly, electronics manufacturing, and material handling equipment.
Key Features of YASKAWA SGD7S-330A20A
The SGD7S-330A20A is part of YASKAWA’s latest generation of servo drives, offering improved performance over previous Sigma families. Typical highlights include:
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High-speed response for reduced cycle times
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Excellent positioning accuracy and repeatability
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Advanced vibration suppression and tuning functions
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Compact size for easy panel integration
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Energy-efficient operation with low heat generation
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Rich diagnostic and monitoring capabilities for easier maintenance
Technical Overview Table
Below is a structured technical overview of the YASKAWA SGD7S-330A20A. Exact values such as power rating, input class and interface type should be checked against the official YASKAWA catalog and motor selection data used in your project, but this table format is suitable for product pages and SEO-friendly content:
| Item | Description |
| Product Name | YASKAWA Sigma-7 Servopack |
| Model | SGD7S-330A20A |
| Series | Sigma-7 Single-Axis Servo Drive |
| Control Type | Single-axis, digital servo amplifier |
| Typical Application Voltage | Three-phase AC (check exact rating per regional catalog) |
| Rated Output Matching | Designed to pair with corresponding Sigma-7 servo motors |
| Control Modes | Position control, speed control, torque control |
| Feedback Interface | High-resolution absolute / incremental encoder (Sigma-7 motor compatible) |
| Command Interface | Pulse train / analog command / fieldbus (depending on configuration) |
| Tuning Functions | Auto-tuning, advanced vibration suppression, resonance suppression |
| Safety Functions | Built-in safety functions (for example: Safe Torque Off, model dependent) |
| Protection Functions | Over-voltage, over-current, overload, over-temperature, encoder error etc. |
| Mounting Method | Panel mounting (inside control cabinet) |
| Cooling Method | Natural air-cooling or forced-air inside panel, depending on installation |
| Typical Enclosure Rating | IP20 class when installed in panel |
| Communication | Compatible with YASKAWA motion controllers and general PLC systems |
| Suitable Motor Series | YASKAWA Sigma-7 servo motors |
| Typical Applications | Packaging machines, pick-and-place, assembly lines, robotics axes, conveyors |
| Manufacturer | YASKAWA Electric Corporation |
You can expand or adjust this table with exact voltage, current and power data once you match it with the official YASKAWA documentation and your chosen motor.
Performance and Control Advantages
The SGD7S-330A20A is built around YASKAWA’s Sigma-7 control platform, which is known for its fast control loop and precise positioning. The fast response significantly shortens machine cycle times, especially in high-speed indexing, labeling, or cutting applications. In multi-axis systems, the improved response allows more synchronized motion, reducing vibration and improving product quality.
Advanced tuning functions help stabilize even flexible or lightly rigid mechanisms. Features such as vibration suppression and resonance control allow the drive to detect mechanical behavior and compensate for it in real time. This means you can increase acceleration and deceleration without introducing excessive overshoot or oscillation, which is particularly useful in applications like high-speed pick-and-place, flying shear, or precise indexing tables.
Integration and Compatibility
As a Sigma-7 single-axis servopack, the YASKAWA SGD7S-330A20A is designed to integrate easily into both new and existing machines:
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It works seamlessly with YASKAWA motion controllers and many mainstream PLCs.
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Common field interfaces and standard command modes (position, speed, torque) make it straightforward to retrofit older servo systems.
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High-resolution feedback from Sigma-7 motors allows for precise control, even at very low speeds, which is essential for applications like winding, printing or fine assembly.
The physical footprint is compact, freeing valuable space in the electrical cabinet. Reduced heat generation and high efficiency help designers simplify panel cooling and extend component life.
Reliability and Maintenance
YASKAWA has a long reputation for reliable servo products, and the SGD7S-330A20A follows that tradition. The drive includes multiple layers of protection:
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Over-voltage and under-voltage protection
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Short-circuit and over-current protection
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Motor overload and over-temperature protection
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Encoder and feedback error monitoring
Diagnostic information, alarms and status data are available through the display and control interface. This allows maintenance teams to quickly identify issues, reduce troubleshooting time, and bring machines back online faster. Precise protection also helps protect both the drive and the motor, contributing to a longer system life and lower total cost of ownership.
Typical Application Scenarios
The YASKAWA SGD7S-330A20A servo drive can be used in a wide range of industrial applications that require accurate positioning and stable speed control. Typical uses include:
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Packaging and filling machines – for controlling sealing jaws, cutting knives, film feed, and indexing conveyors.
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Electronics assembly and inspection – for positioning stages, pick-and-place heads, and camera motion systems.
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Material handling – for conveyors, sorting devices, and lift units where smooth speed control and fast positioning are important.
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Machine tools and automation cells – for auxiliary axes, feeders, indexers and handling systems that support the main process.
In each of these areas, the combination of fast response, high accuracy, and robust protection makes the SGD7S-330A20A a strong option for OEMs and system integrators.
Why Choose the YASKAWA SGD7S-330A20A?
Choosing the SGD7S-330A20A means gaining a servo drive that is:
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Aligned with the latest YASKAWA Sigma-7 technology
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Suitable for demanding, high-duty industrial environments
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Flexible in control modes and integration options
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Designed for long-term stability and low maintenance
For machine builders, this translates into shorter design cycles, easier commissioning, and a higher-performance machine. For end users, it supports higher productivity, better product quality, and more predictable uptime.
Conclusion
The YASKAWA SGD7S-330A20A Sigma-7 Servopack is a high-performance single-axis servo drive built for precise, dynamic, and reliable motion control. Its advanced control algorithms, strong protection features, and compatibility with a wide range of servo motors and controllers make it a powerful choice for modern automation projects.
When you need a servo drive that delivers accuracy, speed, and durability in one compact package, the YASKAWA SGD7S-330A20A is a model worth putting at the center of your system design.
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YASKAWA SGD7S-330A20A Servo Drive ndash Fast Response and Excellent Positioning for Demanding Industrial Applications Images
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