Industrial human-machine interface variable accessing method and system

An industrial man-machine interface and variable access technology, which is applied in the field of industrial man-machine interface access control, can solve the problems of reducing communication efficiency and achieve the effects of improving communication efficiency, saving bus resources, and reducing the number of accesses

Inactive Publication Date: 2010-12-29
深圳市合信自动化技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Because the load of network access is determined by the number of variables configured and the access speed, when there are more variables and faster access frequency, the HMI will occupy more network resources and consume valuable industrial fieldbus resources. , thus reducing the efficiency of communication

Method used

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  • Industrial human-machine interface variable accessing method and system
  • Industrial human-machine interface variable accessing method and system
  • Industrial human-machine interface variable accessing method and system

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Embodiment Construction

[0032] In order to facilitate the understanding of the technical solutions implemented in the present invention, firstly, a brief description is given of the screen objects involved in the following embodiments.

[0033] The screen object is generally a display control realized by computer graphics control technology. The screen object mentioned in the industrial man-machine interface of the embodiment of the present invention is usually associated with the external equipment control parameters, and is used to convey the working status of the external industrial equipment. For example, the "indicator light" screen object uses dynamic profiling lamps to indicate the switching status of field equipment; the "switch" screen object uses profiling switches to simulate industrial equipment switches, allowing operators to perform switch operations; "historical records "screen object, which provides historical record information of one or more industrial variables, which is convenient ...

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Abstract

The invention discloses an industrial man-machine interface variable access method. The method comprises the following steps: selecting a current monitoring picture and displaying the current monitoring picture; extracting external variable access frequency parameters relative to the picture objects respectively in the current monitoring picture, visiting external variable regions corresponding to the picture objects respectively according to the external variable access frequency parameters and extracting relevant external variable values; storing the external variable values in a cache memory; and extracting an external variable value of the cache memory and updating the picture display of the monitoring picture in real time according to the external variable value. Accordingly, the invention also discloses an industrial man-machine interface variable access system. By adopting the technical proposals, the network resource is saved and the communication efficiency is increased.

Description

technical field [0001] The invention relates to the field of industrial man-machine interface access control, in particular to an industrial man-machine interface variable access method and system. Background technique [0002] Industrial human-machine interface (Human-Machine Interface, HMI) is a medium for transmitting and exchanging information between users and machines. Users can configure different screens according to the needs of control, and configure text, Screen objects such as buttons, graphics, numbers, and charts are used to process or monitor the work of machinery and equipment. [0003] Industrial man-machine equipment is an important part of modern equipment. The use of industrial man-machine interface can clearly indicate and inform the operator of the working status of each industrial controller or industrial equipment monitored by the industrial man-machine equipment, and the humanization of industrial man-machine equipment The design is conducive to imp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/02G05B15/02
Inventor 戎思吉冯润全
Owner 深圳市合信自动化技术有限公司
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