It is proved that PLC is feasible from two aspects, which are the analysis of PLC network mode and testing on the scene.
从组网模式分析和现场测试两方面入手,分析了PLC网络在技术角度的可行性。
At last the PLC system combining an application of PLC is tested, and its performance is evaluated by PLC network extent.
最后结合具体的plc应用系统,对该plc做整机测试,以及进行PLC网络扩展试验,对其性能进行评估。
The paper introduced a PLC network (MELSECNET/MINI)control system which is used for controlling flash butt welding machine set.
采用可编程控制器(PLC)的联网功能,构成一个MELSECNET/MINI网络,用于控制闪光对焊机组。
This paper introduces the method of malfunction diagnosis on PLC network, and gives the example of running control system on maglev train.
文章介绍了PLC网络故障诊断的方法,并给出了磁悬浮列车运行控制系统PLC网络故障诊断的实例。
PLC distributed control system is introduced. Disposal principle and application of distributed control system consisting of PLC network are expounded.
介绍PLC分布式控制系统,特别是PLC网络形式的分布式控制系统的配置原理及其应用。
This paper introduces a method of constructing a low-voltage PLC network based on logical topological structure, amd discusses its algorithm and simulation.
文章提出了一种基于“逻辑拓扑结构”组网的低压电力线载波通信组网方法,描述了建立该结构的算法,并进行了实验室仿真。
The management mode of PLC network is expatiated in detail from many aspects such as payoff pattern, price policy, distribution strategy, market resource and competition tactic.
从盈利模式、价格策略、分销策略、市场策略和竞争策略等多方面阐述了PLC网络的运营模式。
Then we discuss the whole gateway software from three processes: PLC communication process, network communication process and user configuration file download process.
并将整个网关程序分三个进程讨论,以分别负责PLC通信、网络接口通信与用户配置文件下载。
BP Plc, the U.K. oil company that's the largest shareholder in the Trans-Alaska Pipeline System, fell 1.9 percent to 483.15 pence after a leak closed the network.
石油巨头英国石油公司股价下跌1.9%,至483.15便士,该公司掌握大多数股权的阿拉斯加输油管道出现泄漏,导致产量减少。
BP Plc, the U. k. oil company that's the largest shareholder in the Trans-Alaska Pipeline System, fell 1.9 percent to 483.15 pence after a leak closed the network.
石油巨头英国石油公司股价下跌1.9%,至483.15便士,该公司掌握大多数股权的阿拉斯加输油管道出现泄漏,导致产量减少。
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 paper describes the application of Siemens S7 PLC in Ekou pelletizing project and the example of constructing a network using Siemens automatized networking equipment.
介绍了西门子s7可编过程控制器在峨口球团工程中的应用以及利用西门子自动化网络设备搭建网络的一则实例。
Constructs 28 nodal casting production line control systems of integrated PLC and intellectual instrument on the basis of RS485 network technology.
基于RS485网络技术构筑28个节点的集成plc和智能仪器的铸造生产线控制系统。
The scheme that uses PLC to construct home control network is more convenient and economy.
利用现成的低压电力线组建家庭控制网络,具有方便、经济的优势。
This paper introduces the application of PLC in the high-speed wire rolling automation system and discusses the general structure, PLC types and communication network.
介绍了PLC在高速线材热轧自动化系统中的应用情况,从系统总体结构、PLC机型简介及其通信网络等方面进行了阐述。
The paper introduces an elevator model control system which is implemented with double PLC and PC-LINK network, the overall system movement is monitored through the upper computer software.
介绍了采用双plc及其PC—L INK网络设计的电梯模型控制系统,通过上位机软件对整个系统的运行进行实时监控。
Distributed PLC system to achieve distributed network control system to ensure stable and reliable.
系统采用集散型PLC实现分布式网络控制,确保系统运行稳定可靠。
The communication principle, problem and counter plot of other level network of PLC which adopt themselves patent agreement are analyzed.
分析了PLC网络其它各层采用专利协议的通信原理,存在问题及对策。
A set of computer control system predominated by network structure and PLC control station is designed with reference to the production features of industrial hazardous waste disposal site.
针对工业危险废弃物处置场的生产特点,设计了一套以网络结构和PLC控制站为主的计算机控制系统,并详细介绍了该系统的结构、特点、功能及实施方法。
Nowadays, PLC has largely been used at the industrial spot, consequently PLC controlling network has been an important diagnostic object of RFDS (Remote Fault Diagnosis System).
目前,在工业控制现场中大量的采用了PLC控制,因此PLC控制网络也成为远程故障诊断系统的一个重要环节。
PLC is adopted to form the branch website of the network and to realize data sampling of the working process in real time and process control.
采用PLC构成网络的分站点,完成照明系统工作过程的数据实时采集和过程控制。
The PLC performance of the communication nodes is tested and analyzed. The results show the communication system of the control network of intelligent building is feasible.
本文就通信节点的电力线通信性能做了测试和分析,实验结果表明该智能建筑控制网络通信系统是可行的。
Then by applying artificial neural network to fault diagnosis of systems controlled by PLC, a new method is provided.
然后将人工神经网络引入PLC控制系统故障诊断,提出了一种新的故障诊断方法。
The control system network is capable of network online programming and system offline programming on the PLC controllers.
控制系统网络对PLC控制器具有网络在线编程和系统离线编程的功能。
Oftel has rejected a suggestion that the network of BT Group PLC should be separated from its retail business.
Oftel拒绝了一份认为英国电信集团的网络部分应与其零售业务分离的提议。
The network topologic structure associated with the GE90-30 PLC used in the heating furnace system was described, and its applications in the control system for the furnace presented.
介绍了GE90 - 30 P LC在加热炉系统改造中的网络拓扑结构,以及其在电气控制、仪表控制中的应用。
This paper presents a control system for the coke riddling process based on an industrial control computer and a PLC. It consists of a network operation station and a control station.
本文介绍一个基于工业控制计算机和PLC的筛焦过程控制系统,由网络操作站和控制站组成。
In the background of PLC controlling network of Tire Tread Extruding line and according to system structure and performance of the line, this paper studies the types, range, and causes of the line.
文章以胎面复合挤出联动线PLC控制网络为研究的背景,根据其控制网络的系统总体结构和性能特点,分析了胎面联动线PLC控制网络故障发生的类型、范围及原因。
This paper presents a PLC-based PID self-adapted controller combined with a neural network.
介绍了由PLC控制实现的神经网络PID自适应控制器。
From the point of PLC characteristic in low-voltage network and for the existed problems in the home control network, a new MAC layer protocol is proposed in this paper.
文中从分析低压电力线的特性入手,针对用其传输家庭控制网络数据所面临的困难和不足,提出了在低压电力线网络的运行中引入一种新型的MAC层协议的方案。
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