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Kingview historical data storage
Kingview's historical database is compressed and encrypted, and the data file extension is. Std, so it cannot be modified. The file you said to open with excel is a csv file saved with the reportsaveas () function. You can modify the file, but you cannot modify the original data.

The monitoring system software developed by Kingview is a new type of industrial automatic control system, which replaces the traditional closed system with an integrated system composed of standard industrial computer software and hardware platforms.

Kingview 6.55 is a set of products developed by Asia Control Technology according to the current development trend of automation technology, facing the low-end automation market and application, and aiming at realizing enterprise integration. This product aims to build a strategic industrial application service platform, which integrates the support of the industrial real-time database (KingHistorian) independently developed by Asia Control Technology, and can provide an effective platform for enterprises to collect, analyze and manage the data of the whole production process, so that enterprises can obtain information in a timely and effective manner and respond in time to obtain the best results.

Kingview maintains the features of powerful functions, stable operation and convenient use of its earlier version, and improves and expands some functions according to the feedback and opinions of many domestic users. Kingview 6.55 provides a rich and easy-to-use configuration interface, a large number of graphic elements and gallery wizards, and a simple-to-use interface for users to create gallery wizards. The product's historical curve, report and web publishing functions have been greatly improved, and the functionality and ease of use of the software have been greatly improved.

Kingview has added the report wizard function on the basis of retaining all the functions of the original report, and can quickly establish the required class reports, daily reports, weekly reports, monthly reports, quarterly reports and annual reports with KingHistorian as the data source. In addition, it can also realize the row and column statistics function of numerical values.

Kingview has made a new breakthrough in online publishing. The new version of Web publishing can realize screen publishing, data publishing and OCX control publishing, while retaining all the functions of Kingview Web: IE browsing client can get the same monitoring screen as Kingview running system, IE client and Web server can keep efficient data synchronization, and can get the same screen and data display, report display, alarm display and so on. Anywhere, through the network, at the same time, you can issue control orders, and the industrial site is convenient and fast.

Kingview integrates the support for the Kingview historical database, and supports data to be stored in both the Kingview historical database and the industrial database, which greatly improves the data storage capacity of Kingview and can better meet the requirements of large users for storage capacity and storage speed. KingHistorian is a self-developed industrial database recently launched by Asia Control. It has the powerful functions that a single server can support up to 6,543,800 points, 256 concurrent customers can store and retrieve data at the same time, and a single variable can retrieve more than 20,000 records per second. It can better meet the requirements of high-end customers for storage speed and storage capacity, and completely meet the requirements of customers for real-time viewing and retrieval of historical operation data.