Eltron Eltra magnetostrictive sensor

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The Italian ELTRA sensor is a detection device that can feel the measured information, and can transform the sensed information into electrical signals or other required forms of information output according to a certain rule to meet the needs of information transmission, Processing, storage, display, recording and control requirements.

　　 　　Various absolute value sensors, whose measured values ​​are output through a data interface connected to the elevator control system, and then the control system calculates the current position and sends appropriate instructions to the drive system. The measurement system itself is one of the technical challenges faced by position sensor system developers. To say the least, it is important to provide a high-performance interface for position data transmission to the control system. This is a challenge because people use different elevator control concepts, and each uses different data standards and interfaces.

　　 　　The characteristics of sensors include: miniaturization, digitization, intelligence, multi-function, systemization, and networking. It is the first link to realize automatic detection and automatic control. The existence and development of sensors give objects the senses of touch, taste and smell, and make objects slowly become alive. According to its basic perception function, it is usually divided into ten categories: heat sensitive components, photosensitive components, gas sensitive components, force sensitive components, magnetic sensitive components, humidity sensitive components, acoustic components, radiation sensitive components, color sensitive components, and taste sensitive components. . ELTRA linear sensor is used to feedback linear displacement. The inside of the linear potentiometer is composed of resistance wire or metal plating on the insulator, and contacts installed on the guide rail to move. Its working principle is: the change of the resistance caused by the displacement causes the corresponding change of the current or voltage on the output circuit.