| 摘要 |
PURPOSE: A monitoring data transfer apparatus is provided to improve the performance of a system by reducing the amount of transmit/receive data between a client and a server and reducing the number of request accessing a server. CONSTITUTION: A monitoring data transfer apparatus includes a control station(10) for controlling the equipment. A data server(20) collects/stores control data from the control station(10). A monitoring station(30) requests data from the data server(20) to adequately display its situation. The data server(20) includes a data storage(23) for storing control data collected from the control station(10), and a data provider server(25) for providing data if there is a request for data from the monitoring station(30). The monitoring station(30) includes a monitoring display(31) for adequately displaying situation using data from the data server(20), a data page(35) for storing a requested data into an allocated page if there is a data request from the monitoring display(31) or storing data from the data server(20), a data request client(33) for requesting data to the data server(20) and receiving data from the data server(20), and an application program interface(API)(37) for allocating the data page(35) to store the requested information if there is a data request from the monitoring display(31) or transferring data stored at the data page(35) to the monitoring display(31).
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