为了排除人为干扰、提高可靠性，采集数据以可编程逻辑控制器为核心，通过现场总线和以太网的多层网络传送至数据库中。
To avoid interfering by work, data were sampled through a multi-layers network which synthesize the field-bus and Ethernet and center on programmable logic controller.
其中现场端的设计以单片机技术为核心，控制器端的实现以可编程逻辑器件设计技术为核心。
In the field unit the core is Singlechip, and in the central controller is Programmable Logic Device.
设计出了一种基于可编程自动控制器(PAC)，采用现场总线和I7000系列分布式数据采集模块组成的潮汐模拟控制系统。
In this sense, the control system based on programmable automation controller (PAC) for simulating tide with field bus and I7000 distributed data acquisition units was developed.
通过利用现场可编程门阵列fpga设计微控制器的接口电路，使得电路的设计变得简单灵活。
The design of interface circuits of micro controller becomes simple and flexible due to using FPGA.
可编程序控制器(PLC)具有可靠性高、运用灵活方便、现场适应能力强等优点，被誉为加工工业自动化一大支柱。
The programmable logic controller (PLC) has advantages of high reliability, easy operation and good on-site adaptability etc, thus it was praised as one of automation mainstays of processing industry.
通过现场应用说明了锅炉点控制系统由于采用了以PLC为核心的可编程控制器，使点火系统得到了简化，可靠性大为增强。
Through field application, the boiler ignition control system that adopts the PLC programmable controller can simplify the ignition system, and its reliability strengthens further.
应用HART协议的智能测量仪表和智能执行机构变频器，通过可编程控制器实现总线连接和通讯监控，实现流浆箱的现场总线控制方案。
HART communication smart transducer and brainpower actuator brainpower by A PLC to field bus and communication monitoring, The way is head box field bus control system.
利用可编程器件FPGA实现VGA彩色显示控制器在工业现场中有很多的应用。
This paper introduces the implementation of VGA controller based on FPGA, which is widely applied in industry.
提出一种基于现场可编程门阵列(FPGA)的并联型有源电力滤波器(SAPF)的控制器方案。
A digital hardware control scheme of shunt active power filter (SAPF) based on field programmable gate arrays (FPGA) is introduced.
通过可编程序控制器在现场的实际使用，从选型、调试，抗干扰、故障诊断等方面进行了探讨。
This paper discusses the type selection, debugging, anti-jamming and fault diagnosis based on the use of PLC.
为提高过程控制的响应速度，提出了一种基于现场可编程模拟阵列(FPAA)模糊自整定PID控制器的硬件实现方法。
To improve the response rate of process control, a method for hardware implementation of fuzzy self-tuning PID controller based on Field Programmable Analog Array (FPAA) was proposed.
依据VGA显示原理，利用VHDL作为设计语言，设计了一种基于现场可编程器件FPGA的VGA多图像控制器，并在硬件平台上实现设计目标。
By using VHDL as design language and according to the principle of VGA, a controller of VGA display system based on FPGA is designed.
本文依托于变频调速器和可编程逻辑控制器（PLC）技术，可以有效的把智能控制方法应用于控制现场。
The system is based on frequency conversion velometer and PLC. This paper analyses the construct of the system, and introduces the working theory of position and graphic sensors.
可编程序控制器（简称PLC）是一种集计算机和工业控制系统优点于一身的控制装置，具有很强的现场适应能力。
So it has wide range of application. Programmable controller (PLC) is the system merging the advantages of computer and industrial control system and it has strong locale adaptability.
本文即借助MATLAB模糊工具箱来实现模糊控制器的设计，并采用可编程逻辑控制器来实现现场参数的采集和调整。
This article provides the design of the controller with the MATLAB fuzzy toolbox, and the collection of on-the-spot parameters with programmable logical controller.
可编程控制器的通信和联网功能越来越强，而且能适应恶劣的现场环境，具有很高的可靠性。
The capability of communication and interconnection of PLC gets strong enough to be used in terrible field condition with high reliability.
可编程控制器的通信和联网功能越来越强，而且能适应恶劣的现场环境，具有很高的可靠性。
The capability of communication and interconnection of PLC gets strong enough to be used in terrible field condition with high reliability.
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