In high-precision position measurement and industrial automation systems, SSI (Synchronous Serial Interface) is widely adopted due to itsHigh real-time capability, strong interference resistance, and reliable data transmissionSSI encoders are widely used in the absolute value encoder field. As domestic industrial control systems continue to mature, “domestic SSI encoders” are gradually becoming a key consideration for equipment manufacturers and system integrators during selection.
SSI encoders refer to those that utilize SSI Synchronous Serial Interface Encoder products that output absolute position information.
This interface typically consists of clock signals and data signals, featuring the following characteristics:
Domestic SSI encoders are developed and manufactured by domestic manufacturers to meet the compatibility requirements of domestic equipment and control systems.
In recent years, domestically produced SSI encoders have made significant progress in the following areas:
Currently, domestically produced SSI encoders have achieved stable operation in multiple mid-to-high-end industrial applications.
Used for angle and position measurement, it is the most common application of the SSI interface.
Suitable for systems requiring multi-turn position information recording, such as lifting equipment and construction machinery.
Used for linear displacement measurement, commonly found in telescopic mechanisms and stroke control systems.
For use in industrial environments where flammable and explosive hazards exist.
Domestic SSI encoders are widely used in the following fields:
In these applications, the stability and real-time performance of the SSI interface are particularly critical.
Verify that the encoder bit depth meets the system's precision requirements.
Different control systems have varying requirements for SSI clock frequency and timing; compatibility should be confirmed in advance.
Whether the structure—including shaft diameter, flange, hollow shaft, or solid shaft—is compatible with the equipment.
Whether it meets the requirements of industrial environments such as high temperatures, vibration, and dust.
When replacing imported SSI encoders, does it support customization of mounting dimensions, electrical interfaces, and parameters?
From an engineering application perspective, some domestic encoder manufacturers have accumulated relatively mature application experience in the SSI encoder field. For example, **SIVIDI** offers multiple structural and protocol combination solutions for SSI interface absolute encoders and cable-pull displacement encoders, participating in domestic substitution applications for construction machinery and automation equipment projects.
This type ofEngineering stability and protocol compatibility-orientedThe domestic solution is gradually gaining acceptance among more equipment manufacturers.
| Interface Type | Features | Applicable Scenarios |
|---|---|---|
| SSI | Highly real-time and stable | High-Precision Absolute Value Measurement |
| RS485 | Long-range, anti-interference | Construction Site |
| CANopen | Bus-based, intelligent | Complex Control Systems |
| Profinet | High-speed, real-time | High-end automation systems |
| 4–20 mA | Simple and reliable | Analog System |
“Domestic SSI encoders have gradually become one of the key choices in the field of high-precision industrial measurement.
During the actual selection process, it is recommended to focus on:
With the continuous accumulation of domestic industrial technology, domestically produced SSI encoders demonstrate strong feasibility in an increasing number of mid-to-high-end application scenarios.
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