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Method for transmitting standard Ethernet data in industrial Ethernet

A transmission standard, Ethernet technology, applied in the field of industrial Ethernet communication, can solve problems such as increasing construction and maintenance costs, achieve the effects of reducing costs, improving transmission efficiency, and simplifying line connections

Active Publication Date: 2016-05-04
WUHAN HUAZHONG NUMERICAL CONTROL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method needs to add additional wiring to the existing industrial Ethernet field bus, and also increases the cost of construction and maintenance

Method used

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  • Method for transmitting standard Ethernet data in industrial Ethernet
  • Method for transmitting standard Ethernet data in industrial Ethernet
  • Method for transmitting standard Ethernet data in industrial Ethernet

Examples

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Embodiment 1

[0039] For the overall structure of a method for sharing an industrial Ethernet field bus with Ethernet devices provided in this embodiment, see image 3 , where the data frame in the industrial Ethernet field bus enters the access device through the industrial Ethernet field bus interface 1, and the access device forwards the industrial Ethernet field bus data frame to the industrial Ethernet field bus interface 2, and at the same time passes the Ethernet data Frame The frame type data segment distinguishes the standard Ethernet data frame and forwards the standard Ethernet data frame to the standard Ethernet interface for output. At the same time, it detects the input signal of the industrial Ethernet field bus interface 1, judges whether there is data inflow through the frame synchronization and frame delimitation of the data frame, and forwards the standard Ethernet interface when the industrial Ethernet field bus interface 1 is idle and no data enters. Upload the buffer d...

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Abstract

The invention discloses a method for transmitting standard Ethernet data in an industrial Ethernet, comprising the following steps of: connecting a standard Ethernet device to a field bus through an access device; orderly transmitting a first standard Ethernet data and an Ethernet field bus data to the access device by a host; distinguishing the Ethernet field bus data and the first standard Ethernet data through a data frame protocol type, and transmitting the first standard Ethernet data to the standard Ethernet device by the access device; meanwhile, transmitting a second standard Ethernet data, fed back by the standard Ethernet device, and the Ethernet field bus data to the host, thereby realizing transmission of the standard Ethernet data between the host and the standard Ethernet device. With the method provided by the invention, transmission of a standard Ethernet data frame in an industrial Ethernet field bus is realized, and wiring mode of industrial field is simplified.

Description

technical field [0001] The invention belongs to the field of industrial Ethernet communication, and more specifically relates to a method for transmitting standard Ethernet data in the industrial Ethernet. Background technique [0002] Industrial Ethernet is a powerful area and unit network based on IEEE802.3. Both industrial Ethernet and standard Ethernet conform to the OSI model, but for the requirements of real-time and high reliability of industrial control, industrial Ethernet adds different functional modules in the link layer and network layer, and adds electromagnetic compatibility in the physical layer. The design solves technical problems such as real-time communication, network security, and anti-strong electromagnetic interference. [0003] In industrial Ethernet fieldbus systems such as EtherCAT and NCUC, it is sometimes necessary to connect standard Ethernet devices such as industrial cameras to the host, and standard Ethernet devices mainly provide Gigabit Et...

Claims

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Application Information

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IPC IPC(8): H04L12/28
CPCH04L12/2858
Inventor 徐敬江金龙谢虎城
Owner WUHAN HUAZHONG NUMERICAL CONTROL
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