现场通信

时间Petri网在现场通信系统中的分析方法

Analytical Method of Time Petri Net in Field Communication System

现场通信协议HART原理与应用

Principle and Application of Field Communication Protocol HART

HART现场通信协议

HART Field Communication Protocol

本文在时间Petri网的基础上加以拓展，提出了现场通信协议的类时间Petri网描述方法。

Based on the theory of Timed Petri Nets in this paper , the description method of Quasi Timed Petri Nets used for field communication protocol is proposed .

从分布式系统的完整性、可靠性、开放性和可扩充性几个方面出发，提出了基于RS-485总线的现场通信方案。

From the distributed system integrity , reliability , openness and scalability aspects , this thesis proposes based on RS-485 field bus communication solution .

HAR通信的应用非常广泛，最普通的是用智能现场通信终端与现场智能仪表进行通信。

The application of HART protocol is very wide and the communication between Smart Field Communicator and field device is common .

针对多协议现场通信控制装置FCCD，从理论上建立了FCCD系统的类时间Petri网模型，实现了多协议智能设备的互连及其系统的性能仿真评价。

The interconnection among multi-protocol intelligent field instruments and the performance simulation evaluation in the interconnection system are implemented by establishing the Quasi Timed Petri Nets model of Field Communication Control Device ( FCCD ) .

现场通信协议描述软件的标准封装及多环境应用

Field Communication Protocol Description Software With Standard Encapsulation and Used in Multi-Environment

变压器绕组状态监测现场通信技术研究

The Communication Technology Research of State Monitoring on the Windings of Power Transformer

现场通信系统的仿真建模及其性能评价方法

A Method of Simulation Modeling and its Performance Evaluation in Field Communication Systems

对现场通信异常，通知相关部门进行处理。

As for field communication abnormity , inform the relevant department for handling .

现场通信协议的生成技术研究

Research on Generation Technology of Field Communication Protocols

带信道冗余的现场通信系统设计

Design of Field Communication System with Channel Redundancy

此方案设计出的手持通信器现已用于对智能仪表的现场通信。实践证明达到了现场总线的通信要求。

The handheld has been used in communication with the the intelligence instrument , which prove that the design is feasible .

系统现已用于对智能电动气动执行器的现场通信，证明此设计是可行的，达到了应用的要求。

Electric Shock CHENGCHENG ELECTRIC The design has been used in communication of the intelligent electric executor , and proved feasible .

本文论述了现场通信协议用户可编程的原理，以及面向图形的可编程界面软件的开发。

The principle of users programming for field communication protocol and the development of the software for graphics-oriented programming interface are described .

所开发的现场通信软件屏蔽了各种设备通信方式的差异，为应用程序提供统一的通信接口。

The field communication software I developed shields the discrepancies in all kinds of device communication methods , providing a uniform communication interface for applications .

本文提供了一种工业现场通信组网的方案，在提高国内企业生产力水平和与国际接轨程度方面，具有一定推广的价值。

A scheme constructing industrial field communication network was provided here , which should be extended in order to promote the productivity of domestic enterprises .

数据传输部分主要是以RS232/CAN转换卡及远程/现场通信切换卡的设计与实现；

Data transmission section is based on the design and realization of the RS232 / CAN conversion card and remote / on-spot communication switch card ;

该方法能提供报文服务和短帧信息结构，满足现场通信的实时性要求。

According to this solution , the requirement of real-time in field communication can be fulfilled as a result of its message service and short frame structure .

该系统主要分为电量采集模块、现场通信模块、数据库服务器模块和远程访问模块。

The system is mainly divided into four modules : power acquisition module , field communication module , the database server module and the remote access module .

本文在现场通信技术研究基础上，回顾了现场通信的发展历程，介绍了现场通信的基本原理、主要特点及其意义。

On the base of the study of the field communication technology , the paper reviews its developmental course , introduces its principle and prime characteristics , and discourses upon its importance .

本文的设计内容主要包括两方面：其一，本文针对高炉上料系统的特点，采用CAN现场通信技术，设计了基于CAN总线的高炉上料自动控制系统网络。

In this paper , the design elements include two aspects : Firstly , In this paper , BF material characteristics of the system , using CAN-site communication technology , design blast furnace feeding automatic control system based on the CAN bus network .

介绍了具有DeviceNet现场总线通信接口的电动阀门控制器开发过程。

An electric valve controller with Device Net interfaces is designed .

基于MPEG-4的变电站现场可视通信终端的实现

Realization of Visual Communication Terminal in Substation Site Based on MPEG-4

实现了SBR污水处理工艺生产现场网络通信与计算机控制系统的集成。

Realized integration of SBR waste water disposal technology produce field net communication and computer control system .

然而，传统基于PC的机器视觉系统由于结构没有模块化，可移植性差，安装不便，特别是与工业现场设备通信比较困难。

However , without modularization the traditional PC based machine vision system is inconvenient in portability , installation , especially the communications to other industrial equipment .

以实时数据库组件为核心，在现场数据通信问题上采用OPC规范。

The system used DCOM as basic structure with real - time database component as the core .

基于PROFIBUS-DP的现场总线通信系统设计

Design of Communication System Based on PROFIBUS-DP

基于802.11b的无线现场设备通信协议的研究

Research of Wireless Field Device Communication Protocol Based on 802.11b