What is GD photoelectric absolute value code sensor


The GD photoelectric absolute shaft angle encoding sensor consists of an encoder (manufactured by P+F, Germany), a high-precision gear transmission system, and a flexible coupling. The encoder is a multi-turn absolute digital device that outputs data through an SSI (Synchronous Serial Interface). This type of encoder provides accurate position information without the need for external reference points. In positioning control systems, absolute encoders reduce the computational load on receiving devices, eliminating the need for complex and costly input components. Even if the machine loses power or experiences a failure, the current position can be retrieved once the system is restored, without requiring a return to the reference point. This sensor converts real-world mechanical parameters into electrical signals that can be processed by counters, tachometers, PLCs, and computers. It is widely used in measurement and automation systems across industries such as water management, power generation, chemicals, and oil and gas. It is especially ideal for applications like height measurement and control in hydroelectric power plants, storage reservoirs, and ship locks. Its high accuracy and reliability make it a preferred choice in critical industrial environments where precise angular position tracking is essential.

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