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Data communication system of the field bus type with a twin lead for power supply to connect units and for data transmission between the units
Data communication system of the field bus type with a twin lead for power supply to connect units and for data transmission between the units
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机译:带双引线的现场总线型数据通信系统,用于连接单元的电源和单元之间的数据传输
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摘要
A field bus data communications system in accordance with the invention includes a twin lead cable; a plurality of electronic units connected to the twin lead cable with each electronic unit including a current pulse generator which generators current pulse trains modulating current flow on the twin lead cable to produce current flow between the electronic units on the twin lead cable; and each electronic unit having a dynamic clamp circuit coupled to the twin lead cable for limiting alternating current voltage variations which occur on the twin lead cable to below a maximum value.
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