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Data interaction method and system, and memory

A technology of data interaction and storage, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as data loss and logic anomalies, and achieve the effect of preventing accidental changes

Active Publication Date: 2019-05-03
FUTAIHUA PRECISION ELECTRONICS ZHENGZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing data interaction is through setting up a public data area, and different types of controllers will directly read and write to the public data area. Since the written data is not verified, repeated reading and writing by the same type of controllers will occur. Loss of data, possibly resulting in logical exceptions

Method used

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  • Data interaction method and system, and memory
  • Data interaction method and system, and memory
  • Data interaction method and system, and memory

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intervening element at the same time. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present.

[0048] Unless otherwise defined, all technical and scientific terms used here...

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Abstract

The invention relates to a data interaction method. A first control device is used for reading and inputting data of a storage device, the storage device includes a data identifier area, a data area and a verification area, wherein the data identifier area is used for storing a data identifier, the data area is used for storing data, and the verification area is used for storing a verification code. The method comprises steps that the data identifier is read by the first control device from the data identifier area; whether the data identifier is an inputting identifier is determined by the first control device; when the data identifier is determined to be the inputting identifier, the data is inputted by the first control device to the data area; when the data identifier is the inputtingidentifier, a new verification code is inputted by the first control device into the verification area, and the data identifier is modified to be a first reading identifier. The invention further relates to a data interaction system and a memory. The data interaction method is advantaged in that safety of the interaction data can be guaranteed, and accidental change of the data before reading is prevented.

Description

technical field [0001] The invention relates to a data interaction method, system and memory. Background technique [0002] In smart factories, different types of controllers such as servers and programmable logic controllers (PLCs) are used to automate the control of the workshop production line system. Data interaction between these controllers is required to achieve coordination and synchronization. However, the existing data interaction is through setting up a public data area, and different types of controllers will directly read and write to the public data area. Since the written data is not verified, repeated reading and writing by the same type of controllers will occur. Data is lost, possibly resulting in logical exceptions. Contents of the invention [0003] In view of the above situation, it is necessary to provide a secure data interaction method, system and storage. [0004] A data interaction method, the first control device is used to read and write data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418G05B19/05G05B19/048
CPCY02P90/02
Inventor 陈少斌王晟吕文斌黎家俨
Owner FUTAIHUA PRECISION ELECTRONICS ZHENGZHOU
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