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Data communication method and system, storage medium and electronic equipment

A technology for data communication and equipment, applied in the field of communication, to achieve the effect of improving transmission speed, reducing communication time and facilitating maintenance

Pending Publication Date: 2022-03-29
广东迪奥技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods are generally only applicable to application scenarios where the data model definition of the slave device remains unchanged

Method used

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  • Data communication method and system, storage medium and electronic equipment
  • Data communication method and system, storage medium and electronic equipment
  • Data communication method and system, storage medium and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A data communication method provided by this embodiment, such as figure 1 , including the following steps:

[0030] A. The master device establishes communication with n slave devices, n>0;

[0031] B. The master device obtains the data area configuration information of n slave devices, wherein each slave device is provided with a data area for storing data, and each data area is provided with corresponding data area configuration information;

[0032] C. The master device creates n mapping data areas corresponding to n slave devices based on the acquired data area configuration information;

[0033] D. The master device periodically obtains the data area status word of n slave devices, and creates n real-time collection task tables corresponding to n slave devices;

[0034] E. The master device sends a data collection request to the corresponding slave device based on the real-time collection task table, the slave device receives the collection request, analyzes the ...

Embodiment 2

[0045] A data communication system provided by this embodiment, such as figure 2 , including a master device and a slave device, the master device includes a master communication module, a data collection and summary module, and a master application module, and the slave device includes a data area, a slave communication module, and a slave application module; the data area is respectively connected to the From the application module and the communication module signal connection, the data from the application module is stored in the data area; the data collection and summary module is respectively connected to the main application module and the main communication module signal, and the main application module is connected to the main communication module. The master communication module is connected with signals; the master communication module is connected with the slave communication modules with signals. Wherein, the data collection and summary module includes a data are...

Embodiment 3

[0049] The embodiment of the present invention provided by this embodiment discloses a computer storage medium, which stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute part or part of a data communication method described in Embodiment 1 all the steps.

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Abstract

The invention relates to the technical field of communication, in particular to a data communication method and system, a storage medium and electronic equipment, a master device can quickly collect updated data of a slave device, the time of occupying a communication bus by an invalid collection task is shortened, the transmission speed of valid data between the master device and the slave device is increased, and the transmission efficiency is improved. Especially under the environment of a low-speed network, the speed and the real-time performance of data response are effectively improved, and the master equipment can automatically and dynamically adapt to the slave equipment with changed configuration in time, so that the labor cost is reduced, and the response speed of the system is further improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a data communication method. Background technique [0002] With the continuous improvement of the automation level of modern industrial production and the increasingly complex requirements of process control, the distributed master-slave equipment system has become a common architecture in the field of industrial control, which can realize centralized management and decentralization for complex industrial production objects. Acquisition control design goals. [0003] Distributed systems can be divided into master devices and slave devices. The master device is responsible for centralized management, and the slave devices are responsible for terminal collection and control. In the actual operation process, the master device needs to dynamically read the status information and data of the slave device, and support updating the parameter settings of the slave device or perfor...

Claims

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Application Information

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IPC IPC(8): H04Q9/00H04L67/141
CPCH04Q9/00H04L67/141
Inventor 王志勇张红斌
Owner 广东迪奥技术有限公司
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