tailieunhanh - Wired/wireless hybrid transmission of BACnet messages

This paper presents a kind of message conversion method between wired/wireless hybrid network, aiming at meeting the encapsulation and transmission application requirements of Building Automation and Control network (BACnet) protocol messages in ZigBee network. | The Open Electrical Electronic Engineering Journal 2016 10 189-196 189 Send Orders for Reprints to reprints@ BENTHAM OPEN CrossMark The Open Electrical Electronic Engineering Journal Content list available at TOEEJ DOI 1874129001610010189 REVIEW ARTICLE Wired Wireless Hybrid Transmission of BACnet Messages Peizhe Tian Chunwang Li and Yimin Wu Building Environment and Energy Application Engineering Engineering and Art Faculty Biochemical Engineering College of Beijing Union University Chaoyang District Beijing 100023 China Received February 19 2016 Revised September 15 2016 Accepted October 20 2016 Abstract This paper presents a kind of message conversion method between wired wireless hybrid network aiming at meeting the encapsulation and transmission application requirements of Building Automation and Control network BACnet protocol messages in ZigBee network. It also proposes a kind of compatible frame structure and addressing method which is specific to wired wireless network hybrid transmission. It discusses a design of BACnet ZigBee wireless temperature sensor node from the point of software and hardware and completes node software and hardware design of BACnet ZigBee wireless temperature sensor by the embedded system Lm3s6911 and bidirectional parsing encapsulating addressing sending and receiving process between ZigBee messages and BACnet Ethernet messages are realized. This solution also can extend the current transmission and application range of BACnet messages and provide an effective way to wired wireless network hybrid transmission of building automation data. Keywords BACnet Inter-Connection Mechanism Node Design Wired Wireless Hybrid Network ZigBee. 1. INTRODUCTION BACnet a completely open data communication protocol for building automation system networks was developed by the American Society of Heating Refrigerating and Air-Conditioning Engineers ASHRAE and it is the only international standard .

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