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Wired network transmission data

A technology of data transmission system and communication bus, applied in the field of wired network transmission of data, can solve problems such as inability to perform carrier sense multiple access/collision detection, difficulty in establishing large-scale network, influence of long-distance communication, etc., reaching an unlimited number of nodes , Improve the communication speed, the effect of network reliability

Pending Publication Date: 2020-06-02
北京启冠智能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, RS-485 transceivers can only drive up to 32 nodes, making it difficult to build large-scale networks
In addition, the distance between two adjacent nodes shall not exceed 1200 meters, which will affect the remote communication
What's more, traditional RS-485 may operate in half-duplex or full-duplex mode, so it cannot perform functions such as carrier sense multiple access / collision detection (CSMA / CD)
In such traditional networks, failure of one device can bring down the entire network

Method used

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  • Wired network transmission data
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Embodiment Construction

[0018] Aspects will now be described with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It may be evident, however, that these aspects may be practiced without these specific details.

[0019] In this disclosure, "include", "comprise" and their derivatives mean to include, but not to be limited to; the word "or" is also included, which means "and / or".

[0020] In this specification, the following various embodiments for illustrating the principles of the present disclosure are for illustration purposes only, and thus should not be construed as limiting the scope of the present disclosure in any way. The following description in conjunction with the accompanying drawings is intended to facilitate a comprehensive understanding of illustrative embodiments of the present disclosure defined by the claims and their equivalents. For ease o...

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Abstract

Various aspects of transmitting data over a wired network are described. These aspects include a first transceiver and a second transceiver connected to a communication bus. The first transceiver converts a differential signal into a digital signal while receiving the differential signal from the communication bus, and further transmits the digital signal to a configurable logic circuit connectingthe first transceiver and the second transceiver. The configurable logic circuit is configured to transmit the digital signal to the second transceiver when the communication bus is idle. The secondtransceiver is configured to convert the digital signal back to the differential signal and transmit the differential signal back to the communication bus.

Description

technical field [0001] The invention relates to communication technology, in particular to a wired network transmission data. Background technique [0002] Wired networks including communication interface chips can be used to realize large-scale industrial control between nodes in different locations. At present, the general node of the system using RS-485 / RS-422 / RS-232 communication interface chip communication uses a single transceiver interface chip, the interface chip is connected to the communication bus in parallel, the communication interface chip is connected to the microprocessor, and the microprocessor passes the interface The chip sends and receives data instructions. [0003] However, conventional techniques may have some drawbacks. For example, RS-485 transceivers can only drive up to 32 nodes, making it difficult to build large-scale networks. In addition, the distance between two adjacent nodes shall not exceed 1200 meters, which will affect the long-distan...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L12/413H04L12/24H04L12/40
CPCH04L1/0061H04L12/413H04L41/0659H04L41/0663H04L12/40176G06F13/4286H04B1/38H04L12/40013H04L2012/4026H04L12/407H04L12/40006G06F2213/0002H04L1/004H04L12/40
Inventor 李冠军李冠勋王跃宇
Owner 北京启冠智能科技股份有限公司
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