Absolute Rotary Encoder: The Core Sensor for High-Precision Angle Measurement and Control

In the fields of industrial automation, construction machinery, robotics, and precision equipment,Absolute Rotary Encoder是一种关键旋转位置测控传感器。它能够在断电后保持角度信息，实现快速启动和精准定位，为伺服控制、多轴协调及精密工程提供可靠的角度反馈。

One,Absolute Rotary Encoder概述

绝对值旋转编码器利用光学、磁性或电感原理将旋转运动转化为数字信号，通过绝对值输出提供精准的角度信息。主要特点包括：

• Location information is retained even after power loss.: Obtain the current position without needing to reset.
• High resolution and high precision：满足工业自动化和精密控制要求
• Multiple output interfacesSSI, RS485, CANopen, 4-20mA, Profinet, Ethernet
• Multiple axis types availableSolid shafts, hollow shafts, and multiple flange mounting options
• 广泛应用：工业自动化、多轴机械、机器人及精密仪器

绝对值旋转编码器在伺服控制、多轴运动和高精度工程中提供可靠反馈，是现代工业自动化系统的核心部件。

II. Advantages of Domestic Production

西威迪提供完整国产化绝对值旋转编码器方案，其优势包括：

• Multiple resolution options：支持高分辨率与中等分辨率编码器，满足不同应用需求
• High Reliability DesignDustproof, waterproof, vibration-resistant, and corrosion-resistant, suitable for complex industrial environments.
• Multi-protocol compatibilitySupports SSI, RS485, CANopen, and other industrial bus interfaces
• Customized Installation：轴径、法兰及安装方式可按现场需求定制
• Domestic Supply ChainRapid production and delivery to ensure project timelines

通过国产化方案，绝对值旋转编码器在精度、可靠性和供货速度上可完全替代进口产品，为工业项目提供高可控性和长期稳定保障。

III. Typical Application Scenarios

绝对值旋转编码器在工业工程中应用广泛，包括：

• Industrial Automation Production Line：旋转轴及多轴系统的高精度测控
• Robots and Multi-Axis Machinery：连续绝对角度反馈和精确运动控制
• construction machinery：液压缸、回转支承及旋转机构的位置检测
• Logistics and Conveying Systems：输送带及旋转装置的实时角度监控
• Precision instruments and laboratory equipment：高精度旋转角度测量

在这些应用中，绝对值旋转编码器提供的高精度、可靠反馈信号是系统稳定运行的关键保障。

IV. Key Selection Criteria

选择绝对值旋转编码器时，需要关注以下指标：

1. Resolution and Accuracy：确保满足系统角度测控要求
2. Output InterfaceSelect SSI, RS485, CANopen, or other industrial bus interfaces.
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 Capabilities：Ensure long-term supply and on-site technical support

综合这些指标，可确保绝对值旋转编码器在工业环境中长期稳定运行。

V. Maintenance and Reliability

绝对值旋转编码器在长期连续运行和高精度应用中，需要关注维护与可靠性：

• Wear-Resistant Material DesignKey components are made of high-strength, wear-resistant materials.
• Protective DesignSealing rings, dust covers, and waterproof enclosures ensure long-term stability.
• Easy to maintainModular design facilitates on-site disassembly, assembly, and maintenance.
• Long-Life GuaranteeService life can reach tens of thousands of hours, reducing maintenance costs.

这些设计确保绝对值旋转编码器在工业环境中提供高精度、长期稳定的角度测控能力。

VI. Conclusion

Absolute Rotary Encoder是工业自动化、智能制造及工程机械系统实现高精度角度测控和绝对位置反馈的核心传感器。通过国产化研发与生产，其在精度、可靠性、环境适应性和定制化能力方面均能满足现代工业需求。选择国产化绝对值旋转编码器，意味着工程项目在性能、交付和国产化率方面获得全面保障，为工业自动化及精密测控提供可靠支撑。