【摘要】 介绍一个隔离多通道ＬＯＮＷＯＲＫＳ数据采集节点的设计。首先简要介绍数据采集的作用及开发ＬＯＮＷＯＲＫＳ数据采集节点的重要性；其次讨论节点的总体设计，在考虑生产过程实际情况的基础上确定了节点的性能指标；随后介绍关键硬件电路的设计，提出了设计中的注意事项；最后介绍节点的软件设计。更多还原

【Abstract】 Abstract The design of an isolated multichannel LONWORKS data acquisition node is described in this paper.Firstly,the function of data acquisition and the importance of developing LONWORKS data acquisition nodes are briefly introduced.Secondly,the overall desing of the node is discussed,on the basis of considering practical production process the specification of the node is proposed.Thirdly,key hardware circuits are discussed and cautions in design are given.In the end,software design of the node is introduced.更多还原