The paper introduce the condition of communicating between person computer and PLC, the person computer asynchronism adapter and the high programming language communication interface principle of PLC.

重点介绍了个人计算机与PLC连网通信的条件、个人计算机的异步通信适配器、以及运用高级语言编写个人计算机与PLC通信的接口程序原理。

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The software structure should be under the principle of reliability, simpleness and friendly interface.

软件结构应遵循可靠、简单、界面友好等原则。

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The Interface Segregation principle ensures that Interfaces are developed so that each of them have their own responsibility and thus they are specific, easily understandable, and re-usable.

接口隔离原则确保实现的接口有他们共同的职责,它们是明确的,易理解的,可复用的.

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While many open-source fans will be downloading a copy for the more recent Linux 3.2.29 kernel and other updated packages, ease of use is the guiding principle for the new build: there's now a graphical NetworkManager interface to manage wired and wireless connections, for a start.

ENGADGET: Slackware 14.0 now available, freshens and simplifies a Linux vanguard