其次简介了软逻辑控制技术的产生、特点及其工作原理，提出了软逻辑控制系统的总体设计方案。

Secondly, the history and features of soft PLC are also introduced, and by means of analyzing the working principles, the general architecture of the system are put forwarded.

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介绍了软逻辑控制和PC/104的相关技术特点，论述了基于PC/104的软逻辑控制系统的实现。

The paper introduces the related technology of the SoftLogic control and PC/104, and expatiates the implementation of SofiLogic control system based on PC/104 controller.

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本文基于IEC61131 - 3国际标准、软逻辑控制系统的体系结构与工作原理，给出了嵌入式软逻辑控制系统的整体设计方案。

The paper provides a system design schema mainly on the basis of the IEC61131-3 international standard, especially by doing research on the architecture and working principles of the soft PLC.

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