| As an important branch, industry-enterprise network is applied in the management and information infrastructure of industry-enterprise. It is a kind of integration technology which involves the technologies of computer, communication, multimedia, control and fieldbus etc. The structure of industry-enterprise network is divided into two levels of information and control. Information network is at the up layer of industry-enterprise network and is the carrier of transmission and sharing of enterprise data. Control network is at the under layer of industry-enterprise network, integrates with information network, is operated by information, and has the characteristic of independence and integrity. The integration of management and control is realized through those measures: exploding different protocol network SCADA according to the difference of subsystem in great enterprise; exploding enterprise monitoring and control system based on internet; exploding enterprise ERP system. According to the basic frame of industry-enterprise network, this paper discussed two aspects: firstly SCADA system has two meaning, distributed (or intelligent) data acquisition system or under computer, data dealing and display system or upper computer HMI. Data can realize the uploading and downloading of program by OPC and network structure of switched LAN; secondly the meaning and basic structure of ERP are discussed briefly. This paper mainly discussed the network structure and implemental project of GLT SCADA&ERP system. At the end of the paper, the merit and deficiency of the project and farther research is introduced.
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