The GD photoelectric absolute shaft angle encoding sensor is made up of an encoder (produced by P+F, Germany), a high-precision gear transmission system, and a flexible coupling. The encoder is an absolute multi-turn digital device that outputs data via an SSI (Synchronous Serial Interface). This type of encoder is widely used in industrial automation and positioning systems. Compared to incremental encoders, absolute encoders do not require a reference point to determine position. This means that even after a power failure or system shutdown, the encoder can immediately provide the exact position once the system restarts, eliminating the need for time-consuming homing procedures. The sensor works by converting real-world mechanical parameters—such as rotation angle or position—into electrical signals that can be easily processed by counters, tachometers, PLCs, and computers. This makes it ideal for use in various industries, including water treatment, power generation, chemical processing, and oil and gas. It is especially well-suited for applications where precise vertical or horizontal movement control is required, such as in hydropower plants, reservoirs, and ship locks. Its robust design and high accuracy make it a reliable choice for critical measurement and control tasks.
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