An idea of dual network SCADA system is proposed and the function design, implementation method and programming interface of dual network communication software are introduced.
提出了采用双网络结构的思想，并详细介绍了双网络通信软件的功能设计、实现方法及编程接口。
The principle of users programming for field communication protocol and the development of the software for graphics-oriented programming interface are described.
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 paper introduce the condition of communicating between person computer and PLC, the person computer asynchronism adapter and the high programming language communication interface principle of PLC.
重点介绍了个人计算机与PLC连网通信的条件、个人计算机的异步通信适配器、以及运用高级语言编写个人计算机与PLC通信的接口程序原理。
At OPCClient, MFC and ATL realize the communication between OPCServer and OPCClient with the programming method of single interface and dual interface respectively.
在客户端MFC和ATL分别通过单接口和双接口的编程方法实现与OPC服务器的通信。
Serial asynchronous communication can be realized through universal I/O interface. The simple connection and considerate programming aim at various SCM application systems.
提出了一种利用通用I/O口实现串行异步通讯的方法，该方法接口简单，程序实现方便，特别适合各种单片机应用系统。
It involved IASB protocol, interface, the design of the communication program, the communication programming of the serial port.
IASB协议、接口、通讯程序设计、以及串口通信编程。
This paper presents the way that USES the Object Oriented Programming to design the communication software interface module.
本文阐述了一种应用面向对象法进行通讯接口模块设计的思路和方法，并给出主要软件结构。
VB programming is used to prepare the operation of motor control interface on the host computer, and apply RS485 communication programming to achieve data exchange.
在上位机的程序设计中，采用VB编写电机控制的操作界面，并应用RS485通信实现与下位机的数据交互。
VB programming is used to prepare the operation of motor control interface on the host computer, and apply RS485 communication programming to achieve data exchange.
在上位机的程序设计中，采用VB编写电机控制的操作界面，并应用RS485通信实现与下位机的数据交互。
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