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“Filedbus”现场总线是国际电工技术委员会(IEC)从1985年开始制订国际性的智能化现场设备和控制室自动化设备之间的通信标准。现场总线是连接智能现场设备和自动化系统的数字式、双向传输、多分支结构的通信网络,是用于智能化现场设备和基于微处理器的控制室自动化系统间的全数字化、多站总线式的双向多信息数字通讯的通讯规程,是互相操作以及数据共享的公共协议。目前使用的现场总线有:AnyBus、CAN、Profibus、Fieldbus、WorldFIP、P-NET、LonWorks、Interbus、DNET、CNET、Lightbus、Modbus、CC-LINK、EIB等。美国埃施朗公司开发了LonWorks控制网络技术,这一开放性的协议,为智能建筑系统集成的实现提供了条件。本刊采访了美国埃施朗公司大中华区总经理蔡梓耀先生,就LonWorks控制网络技术进行了介绍。
The “Filedbus” field bus is the standard for communication between international IEC (Electrotechnical Commission) since 1985 to develop international intelligent field devices and control room automation devices. Fieldbus is a digital, two-way transmission, multi-branch communication network that connects intelligent field devices and automation systems. It is a fully digital, multi-station bus-based system for intelligent field devices and microprocessor-based control room automation systems The bidirectional multi-information digital communication protocol is a public protocol that operates with each other and data is shared. The current field bus used are: AnyBus, CAN, Profibus, Fieldbus, WorldFIP, P-NET, LonWorks, Interbus, DNET, CNET, Lightbus, Modbus, CC-LINK, EIB and so on. The American Echelon Company has developed LonWorks control network technology, this open agreement, has provided the condition for the realization of the intelligent building system integration. The magazine interviewed Mr. Cai Zi Yao, general manager of Greater China, Echelon Corporation, introduced LonWorks control network technology.