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Internet-based data acquisition system via a PSTN

机译:基于互联网的数据采集系统通过PSTN

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This paper presents the design and implementation of a web-based data acquisition system from remote station sites. It allows regular updates of telemetry data to be made at pre-defined intervals, for a multiuser environment. The proposed system is constructed around a host PC connected to the PSTN via an internal modem at one end, and a number of Remote Terminal Units (RTU), each located at one of the sites. The host PC is part of a LAN, and is connected to a server. Data acquired from the sites by the host PC, are finally transferred to the server, which is configured as an Internet Information Server (IIS). A web site is hosted on that server to allow user-access to the data. The system can be operated in both on-line and off-line modes.
机译:本文介绍了来自远程站点站点的基于Web的数据采集系统的设计和实现。它允许以预定的间隔进行遥测数据的定期更新,用于多用户环境。所提出的系统围绕通过一端的内部调制解调器连接到PSTN的主PC,以及每个位于其中一个站点的远程终端单元(RTU)。主机PC是LAN的一部分,并连接到服务器。主机PC从站点获取的数据最终将其传送到服务器,该服务器被配置为Internet信息服务器(IIS)。在该服务器上托管网站以允许用户访问数据。系统可以在线和离线模式下操作。

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