Absolute Encoder: The Core Component for Precise Rotational Measurement and Control

In industrial automation, construction machinery, robotics, and precision equipment,Single lapAbsolute EncoderIt is the key sensor for achieving high-precision angle measurement and position feedback. Unlike ordinary incremental encoders, single-turn encoders...Absolute EncoderProvides unique position data upon each power-up, enabling direct access to current angular information without requiring a reset. This capability is particularly crucial for servo control, multi-axis coordination, and precision engineering projects.

I. Overview of Single-Turn Absolute Encoder

The operating principle of an absolute encoder is to convert the angular position of a rotating shaft into a unique digital signal output via optical, magnetic, or inductive methods. Key features include:

• Unique Location CodeEach angle corresponds to a unique code, which can be directly read after power loss.
• High-precision angle feedbackMeet the demands of high-precision control systems
• Multiple output interfacesSSI, RS485, CANopen, Profinet, Ethernet
• Wide range of applicationsIndustrial automation, robotics, multi-axis machinery, and precision instruments

Absolute encoders provide continuous, high-precision measurement across their rotational range, making them ideal for industrial applications requiring highly reliable feedback and fast startup.

II. Advantages of Domestic Production

XWDI offers a complete domestic single-turn absolute encoder solution, with key advantages including:

• Multiple axis types availableRotating shafts, hollow shafts, and solid shafts can all meet installation requirements.
• High Reliability DesignDustproof, waterproof, vibration-resistant, and corrosion-resistant, suitable for complex industrial environments.
• Customized InstallationFlange, shaft diameter, and mounting method can be customized according to site requirements.
• Multi-protocol compatibilitySupports mainstream domestic control systems and industrial buses, such as Profinet and CANopen.
• Domestic Supply ChainFast delivery, shorten project cycles, and increase localization rates

Domestically produced single-turn absolute encoders can replace imported products in terms of precision, reliability, customization, and delivery speed, providing high controllability for engineering projects.

III. Typical Application Scenarios

Absolute encoders are widely used in applications including:

• Industrial Automation Production LinePrecision Measurement and Control of Rotary Axes and Multi-Axis Systems
• Robots and Multi-Axis MachineryHigh-Precision Motion Control with Continuous Angle Feedback
• construction machineryReal-time measurement of hydraulic cylinders, slewing bearings, and rotating components
• Logistics Conveyor SystemRotary Device, Conveyor Belt Speed and Position Measurement and Control
• Precision instruments and automated equipmentRotational Measurement and Angular Calibration

In these applications, the high-precision feedback provided by single-turn absolute encoders is central to ensuring stable and efficient system operation.

IV. Key Selection Criteria

When selecting single-turn absolute encoders, the following key metrics should be considered:

1. Resolution and AccuracyEnsure that the system's requirements for angle measurement are met.
2. Communication InterfaceSelect interfaces compatible with the control system, such as SSI, RS485, CANopen, etc.
3. Mechanical Interface and Mounting MethodShaft diameter, flange, and mounting configuration compatible with field equipment
4. Environmental AdaptabilityDustproof, waterproof, vibration-resistant, and corrosion-resistant capabilities
5. Domestic Production and Customization CapabilitiesEnsure long-term supply and on-site technical support

By comprehensively considering these metrics, the absolute encoder can ensure long-term stable operation in industrial environments.

V. Maintenance and Reliability

Maintenance and reliability are critical for single-turn absolute encoders operating in continuous, high-speed, and high-load environments:

• Wear-resistant materialsKey components utilize high-strength steel and wear-resistant gears.
• Protective DesignSealing rings, dust covers, and waterproof enclosures ensure long-term stability.
• Easy to maintainModular design facilitates disassembly, assembly, and on-site maintenance.
• Long-Life Guarantee：Service life can reach tens of thousands of hours, reducing maintenance costs.

These designs ensure that absolute encoders deliver high-precision, long-term stable feedback even in demanding industrial environments.

VI. Conclusion

Singleturn absolute encodersAs a core component for achieving high-precision rotational measurement and control along with rapid startup in industrial automation, smart manufacturing, and construction machinery systems, domestically developed single-turn absolute encoders meet modern industrial demands in terms of accuracy, reliability, environmental adaptability, and customization capabilities. Selecting these domestically produced encoders ensures comprehensive assurance for engineering projects in performance, delivery, and localization rates.