上位机

基于VB的PLC和上位机通信的实现方法

The VB-based Realizing Method of Communication Between PLC and IPC

基于RS-485的农业机器人与上位机可靠通信的实现

A communication approach for the communication between agricultural robot and IPC by RS-485 standard

动态链接库在上位机与PLC通信中的应用

Application of dynamic library in communication between computer and PLC

带上位机的PLC控制大型粮食输送系统

Large grain conveying system with the upper control computer

PLC上位机监控系统的设计

The design of monitor computer monitor system for PLC

为进一步实现上位机对PLC的远距离监控提供了参考。

It provides reference for implementation of remote monitoring to PLC from host computer .

基于VC++上位机与PLC实时通讯系统的实现

Realtime communication system implementation based on host computer with VC + + and PLC

上位机采用了VC和Access数据库来完成对数据的通信、处理。

By using VC and Access database , the epigyny computer fulfills data communication and disposes data .

介绍了由PLC及上位机组成的安全联锁保护控制系统。

The control system of security interlocking protection consisting of PLC and upper computer is introduced .

上位机我们以PC机为开发平台，用虚拟仪器开发软件LabView制作了良好的人机交互操作界面，并采用信号处理方法对数据进行了分析处理。

Using Lab VIEW , we construct a well man-machine conversation and analyze the data by signal processing method .

小浪底水电站闸门监控系统中PLC与上位机通信的实现

Realization of the Communication between PC and PLC in the Gate Supervisory System of Xiaolangdi Hydropower Station

用高级编程语言VISUALBASIC6.0编写了上位机监控程序，并编制了监控软件的使用说明。

The upper subsystem is programmed by Visual Basic 6.0 , and the user 's manual for the monitoring software is written .

上位机采用两台适合工业现场应用的PC，分别为工程师站和操作站。

The host computers are two special PC suiting industrial application which are engineer station and operator station separately .

基于PLC和智能仪表的下位机群与上位机通讯的实现

The method of communication between main - machine and submitted - machine which based on PLCs and intelligent meters

LCD显示屏的上位机软件设计

Software Design of Host Computer in LCD Display

上位机软件设计采用VISUALBASIC6.0，实现了与数据终端通信及数据保存功能。

The computer software is designed with Visual Basic 6.0 , and it realizes the functions of communicating with data terminal and saving data .

同时能接收上位机下达的命令输出所要求的PWM信号。

Meanwhile , the system could accept the signals from the PC and output the corresponding PWM .

基于VB的上位机与FPGA/CPLD器件的通讯

Upper Machine Based on VB is in Communication with FPGA / CPLD Devices Based on VHDL

这样，通过USB接口实现了目标设备和上位机的连接。

By using the USB interface , device is connected to host computer on our self-designed circuit board .

EPA控制网络上位机软件设计

The design of host - computer software for the EPA control net

其次，应用Delphi软件对上位机进行了软件开发，并建立了数据库。

Second , the software of upper computer is developed using Delphi , and the database is set up .

各个智能控制接点和上位机组成了工业以太网，通过网关与Internet相连，采取了多种措施加强网络的安全性。

Each intellectual control contact and Upper-computer makes up industrial Ethernet . It links with Internet through gateway . And has taken many kinds of measures to strengthen the security of network .

最后，采用Qt开发了上位机服务器程序。

Finally , the paper develops a host computer server program in use of Qt technology .

上位机通讯模块及接口（RS232）；

Upper machine communication module and interface ( RS232 );

为了实现对温度和质量流量的精确控制，温度和质量流量要采用闭环控制。上位机对下位机及各智能模块的控制是通过VB编程实现的。

The temperature and flow mass is controlled by the closed loop-system , so that the controlling can be more accurate .

整个系统主要由带有VB编写软件的上位机和下位机单片机控制板组成。

The whole system is mainly composed of the PC with software developed by VB and the control board of MCU .

系统实现了对现场DO的数据采集、模糊自适应PID控制算法、在线自动控制以及与上位机监控中心串行数据通信等功能。

It accomplishes data acquisition of DO Value , the fuzzy adaptive PID control algorithm , on-line automatic control and serial communication with the monitor computer .

因为FPGA具有极强的可重构性，可承担部分原来由上位机软件完成的运算，增强了视觉处理的实时性。

As FPGA can be reconstructed freely , it can take charge of some computing work to strengthen the real time issue of visual processing .

同时，还利用VC开发出了上位机的通讯程序。

At the same time , author also has made use of VC program language to design the communication program of top computer .

然后，文章介绍了上位机管理软件的结构，讨论了上位机（PC）与下位机（PLC）通信的方式，着重论述了配药系统上位机和PLC通信的实现。

Secondly , this paper analyzes the PC management system , discusses the way of communication between PC and PLC , then details how to realize it .