The Programmable Logical Controller（可编程序控制器） Components and Principles of the Programmable Logical Controller（可编程序控制器的组成和原理） .
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The important part of this subject is the use of the Programmable Logical Controller in the elevating system.
本文的重点部分是可编程控制器在提升系统中的控制应用。
The system is composed of three subsystems, they are the signal monitor subsystem, the PLC (the Programmable Logical Controller) one and the host computer control ore.
该自动化系统分为信号监测、PLC(可编程逻辑控制器)控制、上位机控制三大部分。
The automatic irrigation system is designed chiefly according to various cultivating methods, the water need regulation of flowers as well as the characteristics of programmable logical controller.
根据各种花卉栽培方式以及花卉的需水规律，应用可编程控制器自身的特点，对花卉进行合理的、有效的自动灌溉系统设计。
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