The Research And Implementation Of CAN Bus In The Elevator Monitoring System

In recent years, the advanced elevator control technology is becoming increasingly popular, particularly in the lot of the new building, which making the collaboration between the control and weak electricity control possible. However, for the traditional management concepts, as well as weak elevator manufacturers and suppliers of the relative independence of each system, making China's elevator control and weak control technology and applications between the penetration of the slow progress in most advanced buildings Elevator Elevator monitoring are basically suppliers to provide a closed system, security at the building center is equipped with elevator elevator supplier monitoring board, for easy display operation status and lift elevator car with an internal call. Elevator and Building Automation Management with computer technology and network technology, the use of CAN bus communication to replace the usual serial communications can be distributed so that the elevator control has become possible. Elevator control functions will be divided into several modules, but also in different parts of the controller to complete a specific function, the inter-controller communication technology using reliable local area network transmission control information, mutual communication and teamwork. This system can realize the plug of the cable and a significant reduction in the number of wells Road cable, reducing wiring workload and maintenance costs. Moreover, the system can make all the controller has more time to further improve its own capabilities, to improve the performance of the lift. In this paper, the detection system is based on CAN bus using the lift developed as part of distributed control elevator and received on CAN bus, to the completion of the safety switch circuit fault detection. Including the detection unit, processor, CAN communications, such as the design of the protection unit. In this paper, on the part of the main part has been installed RS-485 serial communication control system for the transformation to study the CAN bus in the elevator monitoring system,as well as implementation...