This paper introduced the application of PLC in the centralized station of providing cold, among which control principle, structure of network and software are discussed.
本文介绍了PLC在地铁集中供冷站监控系统中的应用，主要阐述监控系统的控制原理、网络结构及软件结构。
The structure and operation principle of a distributed data acquisition system for embankment safety monitoring based on PLC, are introduced.
介绍了一种基于可编程控制器（PLC）的分布式堤防安全监测数据采集系统的构成及工作原理。
This paper introduces the control principle of PLC in the subway train - cleaning machine, especially de-scribes the structure and principle of signal - collecting system and the cleaning procession.
介绍可编程序控制器在地铁列车洗车机自动控制中的控制原理，着重介绍信号采集系统和列车前后端刷洗过程的控制结构及原理。
The paper introduces the operating principle, structure and operated result of hydraulic interlocking device with PLC controller for the mouth of Service shaft.
介绍了可编控制器（LC）制的副井口液压联动装置的控制原理、构及应用效果。
The principle of structure, working procedures, design of hardware and software of the PLC based automatic irradiation control system are introduced.
介绍了基于PLC的加速器辐照自动控制系统的结构原理、工作过程、硬件和软件的设计。
This article expounds the structure, operational principle and the superiority of PLC, starting from the basic knowledge of PLC.
PLC的基础知识入手，简述了PLC的结构、工作原理以及PLC的优越性等。
This article expounds the structure, operational principle and the superiority of PLC, starting from the basic knowledge of PLC.
PLC的基础知识入手，简述了PLC的结构、工作原理以及PLC的优越性等。
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