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Automatic allocation method of multi-machine communication node addresses and multi-machine communication system

A technology of automatic distribution and communication system, which is applied in the field of communication and can solve problems such as impracticality and extension address conflict.

Active Publication Date: 2022-05-27
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reliability of these two types of methods is better than the former method, but there is a problem that the extension address may conflict due to human error
This distribution method is very simple, but it is not practical

Method used

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  • Automatic allocation method of multi-machine communication node addresses and multi-machine communication system
  • Automatic allocation method of multi-machine communication node addresses and multi-machine communication system

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Embodiment Construction

[0051] The following description serves to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

[0052] It should be understood by those skilled in the art that in the disclosure of the present invention, the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and to simpli...

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Abstract

The invention provides an automatic distribution method of multi-machine communication node addresses and a multi-machine communication system, in the multi-machine communication system, a host broadcasts to each extension, and then the addresses are quickly and conveniently distributed through a bisection method based on feedback.

Description

technical field [0001] The present invention relates to the field of communication, in particular to an automatic allocation method of a multi-machine communication node address and a multi-machine communication system. Background technique [0002] As an electrical specification for multi-point differential data transmission, RS-485 uses balanced transmission and differential reception to achieve communication, and has the ability to suppress common mode interference. The communication rate can reach up to 52Mbps, and the transmission distance can reach 1200m (90Kbps). , The RS-485 bus adopts the master-slave communication, the networking is simple, and has become one of the standard communication interfaces widely used in the industry. [0003] In RS-485 bus multi-machine communication, in order to accurately transmit information to each extension in the system, it is required that each extension node must have a unique address. There are currently two mainstream methods f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L61/50H04L61/5069
Inventor 张建川侯德祥徐大鹏
Owner SHANDONG UNIV