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Protocol conversion device, protocol conversion equipment and method

A protocol conversion and device technology, applied in the field of communication, can solve problems such as limiting the scope of use of industrial equipment, the inability to share industrial equipment, and the inability of servo drives to access the EtherCAT network, etc., to achieve the effect of expanding the scope of use

Pending Publication Date: 2019-12-06
BEIJING A&E TECH
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  • Claims
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Problems solved by technology

However, the servo drive that supports RTEX cannot be connected to the EtherCAT network, and cannot realize the sharing of industrial equipment supporting two protocols, which limits the scope of use of industrial equipment

Method used

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  • Protocol conversion device, protocol conversion equipment and method
  • Protocol conversion device, protocol conversion equipment and method
  • Protocol conversion device, protocol conversion equipment and method

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Embodiment Construction

[0029] In order to make the objectives, technical solutions and advantages of the embodiments of this application clearer, the following describes the technical solutions in the embodiments of this application clearly and completely in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are A part of the embodiments of this application, and all other embodiments obtained by a person of ordinary skill in the art without being creative are all within the protection scope of this application.

[0030] See figure 1 , Is a block diagram of the protocol conversion device of this application. Combine image 3 , The protocol conversion device 1 includes:

[0031] The first network slave station protocol stack 11 is configured to receive a control instruction for the electronic device 10 sent by the first network protocol chip 20 and generate an object dictionary instruction set according to the control instruction;

[0032] The second n...

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Abstract

The invention provides a protocol conversion device, which comprises: a first network slave station protocol stack for receiving a control instruction for electronic equipment sent by a first networkprotocol chip and generating an object dictionary instruction set; a second network master station protocol stack which packages the object dictionary instruction set into a second network data frame,wherein the second network data frame is in a second network protocol format; according to a preset communication period, the second network frame is stored in a second network protocol chip, the state and position information of the electronic equipment is read from the second network protocol chip, and the communication period is a period for communicating with the second network protocol chip;the state and position information of the electronic equipment is packaged into the first network data frame, and the first network data frame is stored in the first network protocol chip, so that the mutual use of industrial equipment supporting two protocols is realized, and the application range of the industrial equipment is expanded. The invention further provides protocol conversion equipment and a protocol conversion method adopting the protocol conversion device.

Description

【Technical Field】 [0001] This application relates to the field of communication technology, and in particular to a protocol conversion device, protocol conversion equipment and method. 【Background technique】 [0002] In the field of industrial control, the interconnection between various industrial control equipment has become more and more important, and the communication has also developed from the earliest fieldbus to the current industrial Ethernet. [0003] EtheCAT (Ether Control Automation Technology, Ethernet control automation technology) is currently a very widely used industrial Ethernet. It is one of the IEC61158 international standards. It has fast transmission speed, high real-time performance, accurate synchronization performance, and can support up to 65535 For each slave station, the minimum interpolation cycle can be 12.5us. The physical layer uses standard 100M Ethernet, the data link layer uses a standard network card chip for the master station, and the slave s...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L69/08
Inventor 姚守强
Owner BEIJING A&E TECH
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