A conversion device between industrial ethernet and devicenet

A conversion device and Ethernet technology, applied in the field of communication, can solve problems such as low efficiency of access methods, reduction of real-time performance, and impact on network speed

Active Publication Date: 2021-05-28
SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These technologies are only applicable to a system with one master device and multiple slave devices, and eliminate the uncertainty of the MAC layer access method CSMA / CD by polling to improve real-time performance, but affect the network speed to a large extent , which reduces the real-time performance, and the polling access method is not efficient and cannot meet the real-time requirements of users

Method used

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  • A conversion device between industrial ethernet and devicenet
  • A conversion device between industrial ethernet and devicenet
  • A conversion device between industrial ethernet and devicenet

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Embodiment Construction

[0031] Several embodiments of the present invention will be disclosed in the following figures. For the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known structures and components will be shown in a simple and schematic manner in the drawings.

[0032] Please refer to figure 1 , which is a structural diagram of industrial Ethernet, DeviceNet equipment and the conversion device of the present invention. like figure 1 As shown, because the industrial Ethernet data frame can hold more data bytes, and the DeviceNet equipment data is only data of several bytes, so by increasing the conversion device 100 of the present invention between the Industrial Ethernet 200 a...

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Abstract

The invention provides a conversion device between an industrial Ethernet and a DeviceNet device, comprising: a first medium storage unit for sending and receiving up and down messages transmitted by an industrial Ethernet device; a second medium storage unit for sending and receiving up and down reports transmitted by a DeviceNet device a text; and a data converting unit, respectively receiving, converting and processing the messages transmitted from the first medium storage unit and the second medium storage unit. The invention satisfies the problem of efficient management and control integration of DevciNet equipment in production management by adding an efficient conversion device between DeviceNet equipment and Ethernet equipment.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a conversion device between industrial Ethernet and DeviceNet equipment. Background technique [0002] Fieldbus is a system used to realize two-way serial communication between production field control equipment, also known as the underlying control network of open, digital, and multipoint communication. [0003] After decades of development, fieldbus technology has been widely used in various fields of life, forming a situation where multiple standards coexist, and any standard cannot completely replace the advanced standard. In order to improve the competitiveness of products, manufacturers began to seek a solution to equip a variety of fieldbus interfaces when developing a certain product, and users should also consider the compatibility and scalability of the selected product with the entire system when selecting products sex. [0004] A variety of existing fieldbus s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/40H04L29/06G06F13/42
CPCG06F13/4282H04L12/40006H04L69/08H04L69/16H04L69/22
Inventor 韩强
Owner SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
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