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本文提出了一个基于 WEB的远程测控网络模型 ,并基于这种模型研制了一个面向以太网 (Ethernet)的远程虚拟仪器实验室。该系统采用浏览器 /服务器 (Browser/Server,简称 B/S)组网模式。客户端只需安装浏览器 ,就可在网上学习和使用带有各种工业标准总线的仪器。虚拟仪器的开发采用 VISA规范 ,因此当更换系统中的硬件设备时 ,不用重新编写仪器的驱动软件 ,从而实现了硬件的可互换性及软件的复用性
This paper presents a remote monitoring and control network model based on WEB, and based on this model developed an Ethernet-oriented remote virtual instrument laboratory. The system uses browser / server (Browser / Server, referred to as B / S) networking mode. Clients can learn and use instruments with a variety of industry standard buses online just by installing a browser. Virtual instrument development using the VISA specification, so when replacing the hardware devices in the system, do not rewrite the instrument driver software, so as to achieve the hardware interchangeability and software reusability