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SSI Absolute Encoder: The Core Component for High-Precision Digital Position Measurement and Control

2025-12-15

In industrial automation, construction machinery, robotics, and precision equipment, the SSI absolute encoder serves as a critical rotational or linear position sensing and control device. It outputs absolute position data via **SSI (Synchronous Serial Interface)**, delivering high-precision, reliable, real-time angular and displacement feedback. This provides core support for servo control, multi-axis coordination, and automated systems. I. Overview of SSI Absolute Encoders SSI absolute encoders convert mechanical position into digital signals using optical, magnetic, or inductive principles, transmitting data via synchronous serial interfaces. Key features include: The digital output of the SSI interface maintains signal stability during long-distance transmission, high-speed motion, or electromagnetic interference environments, ensuring system measurement and control accuracy. II. Advantages of Domestic Solutions XWDI offers a complete domestic SSI absolute encoder solution with the following advantages: Through domestic solutions, SSI absolute encoders achieve precision, ...

SSI absolute encoder product introduction and localization solution customization process

2024-10-13

SSI absolute encoders are more commonly used encoder products, operating in a very rich scenario, with more uses. With the requirements for encoders gradually rising, the demand for non-standard encoders has been increasing in the past few years. For this reason, we also offer customized services. SSI absolute encoder commonly used size is 58mm flange outside diameter, is considered a standard size. There is also a more common size of 78mm OD, which is mostly demanded for explosion-proof encoders. Both sizes of encoders can be customized according to different parameters. The details of the encoder customization are mainly the shaft hole size, wire outlet and resolution. The other part is the incremental signal. Our SSI absolute encoders are available with incremental signals. These are more conventional parameters for customization, you can refer to our product introduction page. For non-standard customization of SSI absolute encoders, it is mainly reflected in the non-conventional flange size. This part as long as people can provide...

Introduction to the basic principle of SSI absolute encoders and how they work

2023-09-18

The SSI absolute encoder is a widely used encoder in industrial control applications to convert rotary motion into digital representation for advanced machine control and data analysis. Its advantages of being lightweight, efficient and highly accurate have made it a good choice for many applications. In this article, we'll explore the basics and how it works, as well as examine its applications and benefits. SSI absolute encoders contain an optical or magnetic sensor that measures the angle and direction of rotational motion and converts this information into a digital signal related to position. In short, this type of encoder can read the exact position of a device without the need for recalibration. SSI encoders encode the information in a special way, such as assembling a 10-bit binary encoder into a cable so that data can be transmitted directly from the encoder to the controller over several transmission lines. This encoder can a...

How to find a suitable ssi absolute encoder manufacturer

2021-10-17

With the acceleration of automation, the market demand for SSI absolute encoders is increasing, but many buyers and friends are not able to find the right absolute encoder manufacturers as expected. Why that? This is directly related to the development of domestic SSI absolute encoder. Before, most of the SSI absolute encoders used in China are imported products, basically the products of Europe, America and Japan occupy a large domestic market share. With the continuous emergence of domestic absolute encoder manufacturers, continuous innovation in technology, has been able to completely replace the imported SSI absolute encoder products. However, please note that is but! The market always has a reaction process, the domestic market for domestic high-precision SSI absolute encoder still have a deep understanding of the majority of the imported products are still in use, do not know that the domestic has completely solved the technical problems, has completely replaced the imported products, and even for foreign brands for OEM, you purchase some ...

SSI Absolute Encoder SAS/M58

2021-09-07

The product's core components achieve 100% domestic production, ensuring supply chain stability and high-quality reliability. Utilizing high-precision magnetic sensing technology, it provides single-turn and multi-turn encoder solutions. Supports SSI interface with clock frequencies up to 2 MHz for high-speed, precise data transmission. Additional TTL/HTL incremental signal outputs can be added to meet diverse control requirements. Single-turn resolution reaches up to 21 bits, while multi-turn resolution achieves 14 bits, guaranteeing high-precision measurement. Possesses exceptional shock and vibration resistance with an IP68 protection rating, suitable for extreme environments. Built-in reverse short-circuit and short-circuit protection functions effectively mitigate the impact of installation errors on the encoder. Product Specifications (SSI Signal Output Series) Parameter Name SAS/M58A (Solid Shaft) SAS/M58C (Blind Hole Type) Functional Features Ø 58mm Solid Shaft Ø 5...

SSI Industrial Absolute Encoder SAS/M40

2021-09-07

SSI absolute industrial encoder SAS / M40 to ensure that each component of the product 100% pure localization of highly accurate magnetic induction technology, single-turn or multi-turn encoder SSI interface, clock frequency up to 2MHz can be added to the incremental signal TTL or HTL output single-turn resolution of up to 21 bits, the number of multi-turns of up to 14 bits of ultra-strong resistance to shock and vibration, high protection class. up to IP68 with reverse short and short protection, effectively reduce the impact of installation errors Dual output of absolute and incremental signals Wiring definition Pin connector view Installation data sheet Selection data sheet Max. IP68 with reverse short-circuit and short-circuit protection, effectively reducing the impact of installation errors on the encoder Absolute and incremental signals dual output wiring definition Pin connector top view Installation dimensions Selection data sheet

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