POWERLINK communication protocol hardware realization method

A communication protocol and hardware implementation technology, applied in the direction of electrical components, transmission systems, etc., can solve problems such as time waste, and achieve the effects of scalability, strong practicability, and high processing speed

Inactive Publication Date: 2017-03-15
SHANGHAI STEP ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the two sets of design schemes of EPSG, the key point that affects the communication speed the most is the drive of OpenMAC by the soft-core CPU inside the FPGA, which causes a lot of time waste

Method used

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  • POWERLINK communication protocol hardware realization method
  • POWERLINK communication protocol hardware realization method
  • POWERLINK communication protocol hardware realization method

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in this application can also be realized.

[0025] The first embodiment of the present invention relates to a hardware implementation method of the POWERLINK communication protocol. POWERLINK communication protocol includes: physical layer, data link layer and application layer. In this embodiment, the data link layer and the physical layer interface of the POWERLINK communication p...

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Abstract

The invention relates to the technical field of industrial Ethernet communication protocols, and discloses a POWERLINK communication protocol hardware realization method. In the embodiment of the invention, the method comprises steps: a data link layer and a physical layer interface of the POWERLINK communication protocol are realized based on any one chip selected from the following: a programmable logic device, a custom hardware chip and a semi-custom hardware chip; and the application layer of the POWERLINK communication protocol is realized based on any one mode selected from the following: a soft core processor, an embedded processor, and a general processor. POWERLINK master station equipment or slave station equipment obtained by adopting the realization method has a high data transmission response capability, high-speed and high-precision industrial field control requirements are met, the expansibility is more flexible, any object dictionary and any number of slave stations can be supported, the cost performance is good, and software and hardware are easy to realize and maintain.

Description

technical field [0001] The invention relates to the technical field of industrial Ethernet communication protocols, in particular to a hardware implementation method of the POWERLINK communication protocol. Background technique [0002] With the development of Ethernet technology and electronic information technology, the traditional fieldbus is developing in the direction of industrial Ethernet. POWERLINK was born under this background and was included in the international standards IEC61158 and IEC61784. POWERLINK conforms to the definition of real-time Ethernet in IEC61784. This protocol includes a real-time Ethernet data link layer and a CANOpen-based application layer. Its sub-protocol specifications include: communication description IEC61784-2; service protocol IEC61158-300, IEC61158-400 , IEC61158-500 and IEC61158-600; equipment description ISO15745-1. [0003] OSI is a communication model for the standardization of open information processing systems, and it is the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L69/03
Inventor 严彩忠王科李延法张金泽刘伟东丁信忠付博段杰芳
Owner SHANGHAI STEP ELECTRIC
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