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ewinsun AB与西门子PLC的区别简介 2009/11/6 10:02:58

西门子与AB最主要的差别在于AB所使用的网络类型都是开放的网络，可以与其他公司的产品做到很好的兼容，AB控制层网络采用ControlN… 阅读全文 0 人评论

ewinsun 漏电保护器的工作原理（附图说明） 2009/7/3 9:51:02

在了解触电保护器的主要原理前，我们有必要先了解一下什么是触电。触电指的是电流通过人体而引起的伤害。当人手触摸电线并形成一… 阅读全文 0 人评论

ewinsun PLC选用时的问题与对策 2009/7/3 9:38:04

该文指出PLC选用时应注意：选择熟悉编程软件、合资厂的PLC机型，重大工程用的大型或超大型PLC首选国际知名公司的机型；PLC不能… 阅读全文 0 人评论

ewinsun 十种类型现场总线的体系结构 2009/7/2 14:40:27

7 Type7 WorldFIP现场总线 1987年成立的WorldFIP协会制定并大力推广Type7 WorldFIP现场总线。WorldFIP协议是EN50170欧洲标准的第三部分… 阅读全文 0 人评论

ewinsun 十种类型现场总线的体系结构 2009/7/2 14:38:00

按照国际电工委员会IEC/SC65C的定义，安装在制造或过程区域的现场装置与控制室内的自动控制装置之间的数字式、串行和多点通信的… 阅读全文 0 人评论

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