CN108494652A - A kind of EtherCAT high speed Ethernets protocol conversion fusion method - Google Patents
A kind of EtherCAT high speed Ethernets protocol conversion fusion method Download PDFInfo
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- CN108494652A CN108494652A CN201810194277.0A CN201810194277A CN108494652A CN 108494652 A CN108494652 A CN 108494652A CN 201810194277 A CN201810194277 A CN 201810194277A CN 108494652 A CN108494652 A CN 108494652A
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- ethercat
- powerlink
- protocol
- data storage
- storage cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention discloses a kind of EtherCAT high speed Ethernets protocol conversion fusion method, main to realize that EtherCAT bus protocols and Powerlink bus protocols are mutually converted, and improves transfer efficiency.Including EtherCAT bus transceivers, EtherCAT bus protocols controller, EtherCAT data storage cells, FPGA protocol conversion fused controllings device, Powerlink data storage cells, Powerlink bus protocols controller, Powerlink bus transceivers.FPGA protocol conversion fused controlling devices are bi-directionally connected with EtherCAT data storage cells and Powerlink data storage cells respectively, the conversion and fusion for realizing EtherCAT protocol datas and Powerlink protocol datas solve the problems, such as data delay in EherCAT real-time industrial ethernets agreement and Powerlink protocol communications interconnection transfer process.
Description
Technical field
The present invention relates to a kind of EtherCAT high speed Ethernets protocol conversion fusion methods, and EtherCAT agreements may be implemented
Mutual conversion between Powerlink agreements, belongs to industrial automation.
Background technology
With the extensive use that field bus technique is obtained in industrial automation, various bus protocols also layer
Go out not poor, according to IEC61158 fourth edition international standards, has there is more than 20 kinds of bus protocol to become international standard.Common scene
Bus protocol has EtherCAT, Powerlink, Profinet etc., since the consensus standard difference that different vendor supports results in
Incompatible property between distinct device agreement, cannot interconnect, and the equipment for causing different agreement cannot match.
This patent is conducted in-depth research for real-time industrial ethernet agreement EtherCAT and Powerlink agreement,
And the method for devising a kind of conversion related to Powerlink agreements of EtherCAT agreements, it solves EtherCAT in scene and assists
The problem of discussing equipment and Powerlink protocol devices interconnections.
Invention content
The technical problem to be solved by the present invention is to realize EtherCAT high speed Ethernets agreement and Powerlink agreements
Between it is mutual conversion and communication.
The technical solution adopted in the present invention is：
A kind of EtherCAT high speed Ethernets protocol translation fusion method, hardware includes, EtherCAT bus transceivers,
EtherCAT bus protocols controller, EtherCAT data storage cells, FPGA protocol conversion fused controllings device, Powerlink
Data storage cell, Powerlink bus protocols controller, Powerlink bus transceivers.The EtherCAT data storage
Unit and EtherCAT bus protocol controllers are bi-directionally connected；The Powerlink data storage cells and Powerlink buses
Protocol controller is bi-directionally connected；The FPGA protocol conversions fused controlling device and EtherCAT data storage cells are bi-directionally connected；
The FPGA protocol conversions fused controlling device and Powerlink data storage cells are bi-directionally connected；The EtherCAT agreements control
Device processed is bi-directionally connected by EtherCAT bus transceivers and EtherCAT Industrial Ethernet；The Powerlink protocol integrated test systems
Device is bi-directionally connected by Powerlink bus transceivers and Powerlink buses；
The FPGA protocol conversions fused controlling device extraction EtherCAT data storage cells and the storage of Powerlink data
Data in unit utilize the mutual conversion that two kinds of agreements are realized the characteristics of FPGA high speed processings.
The FPGA controller is one of following three kinds of forms：Altera companies at the CycloneII models of production control
Device；Xilinx companies at the Spartan-6 models of production controller；Other companies at production FPGA controller.
A kind of EtherCAT high speed Ethernets protocol conversion fusion method, includes the following steps：
EtherCAT protocol datas are converted into Powerlink protocol datas：EtherCAT bus transceivers receive
The data transmission of EtherCAT buses gives EtherCAT protocol controllers；EtherCAT protocol controllers are according to EtherCAT agreements
The EtherCAT data frames received are transmitted to EtherCAT data storage cells and stored by regulation；FPGA protocol conversions are melted
Clutch reads the data during EtherCAT data storage cells are stored, and is quickly generated according to relevant logical operation
Then Powerlink protocol datas store Powerlink protocol datas to Powerlink data storage cells,
Powerlink bus protocol controllers read the data in Powerlink data storage cells, are received by Powerlink buses
Hair device transfers data to Powerlink buses.
Powerlink protocol datas are converted into EtherCAT protocol datas：Powerlink bus transceivers receive
The data transmission of Powerlink buses gives Powerlink protocol controllers；Powerlink protocol controllers are according to Powerlink
Agreement provides that the Powerlink data frames that will be received are transmitted to Powerlink data storage cells and store；FPGA agreements
Conversion fusion device reads the data during Powerlink data storage cells are stored, and quick according to relevant logical operation
Generation EtherCAT protocol datas, then EtherCAT protocol datas are stored to EtherCAT data storage cells,
EtherCAT bus protocol controllers read the data in EtherCAT data storage cells, by EtherCAT bus transceivers
Transfer data to EtherCAT buses.
It is an advantage of the invention that：It proposes a kind of EtherCAT high speed Ethernets protocol conversion fusion method, solves
The problem of EtherCAT agreements and the interconnection conversion of Powerlink protocol communications；Two kinds of skills can be fast implemented using FPGA technology
The conversion of art, substantially reduces conversion time, improves transfer efficiency.Realize simple, performance stabilization.
Description of the drawings
Fig. 1 is the solution of the present invention Organization Chart.
Fig. 2 is the circuit structure diagram of the present invention.
In figure:1.EtherCAT bus transceivers, 2.EtherCAT bus protocol controllers, the storage of 3.EtherCAT data
Unit, 4.FPGA protocol conversion fusion devices, 5.Powerlink data storage cells, 6.Powerlink bus protocol controllers,
7.Powerlink bus transceivers.
Specific implementation mode
Hereinafter, being directed to embodiment example for carrying out the present invention, it is described with reference to the accompanying drawings.As shown in Figure 1, a kind of
EtherCAT high speed Ethernet protocol conversion fusion methods, including EtherCAT bus transceivers 1, EtherCAT bus protocol controls
Device 2 processed, EtherCAT data storage cells 3, FPGA protocol conversion fused controllings device 4, Powerlink data storage cells 5,
Powerlink bus protocols controller 6, Powerlink bus transceivers 7.3 He of EtherCAT data storage cells
EtherCAT bus protocols controller 2 is bi-directionally connected；The Powerlink data storage cells 5 and Powerlink bus protocols
Controller 6 is bi-directionally connected；The FPGA protocol conversions fused controlling device 4 and EtherCAT data storage cells 3 are bi-directionally connected；Institute
It states FPGA protocol conversion fused controllings device 4 and Powerlink data storage cells 5 is bi-directionally connected；The EtherCAT agreements control
Device 2 processed is bi-directionally connected by EtherCAT bus transceivers 1 and EtherCAT Industrial Ethernet；The Powerlink agreements control
Device 6 processed is bi-directionally connected by Powerlink bus transceivers 7 and Powerlink buses.
A kind of EtherCAT high speed Ethernets protocol conversion fusion method, including EtherCAT protocol datas are converted into
The method that the method and Powerlink protocol datas of Powerlink protocol datas are converted into EtherCAT protocol datas, specifically
Steps are as follows：
EtherCAT protocol datas are converted into Powerlink protocol datas：EtherCAT bus transceivers receive
The data transmission of EtherCAT buses gives EtherCAT protocol controllers；EtherCAT protocol controllers are according to EtherCAT agreements
The EtherCAT data frames received are transmitted to EtherCAT data storage cells and stored by regulation；FPGA protocol conversions are melted
Clutch reads the data during EtherCAT data storage cells are stored, and is quickly generated according to relevant logical operation
Then Powerlink protocol datas store Powerlink protocol datas to Powerlink data storage cells,
Powerlink bus protocol controllers read the data in Powerlink data storage cells, are received by Powerlink buses
Hair device transfers data to Powerlink buses.
Powerlink protocol datas are converted into EtherCAT protocol datas：Powerlink bus transceivers receive
The data transmission of Powerlink buses gives Powerlink protocol controllers；Powerlink protocol controllers are according to Powerlink
Agreement provides that the Powerlink data frames that will be received are transmitted to Powerlink data storage cells and store；FPGA agreements
Conversion fusion device reads the data during Powerlink data storage cells are stored, and quick according to relevant logical operation
Generation EtherCAT protocol datas, then EtherCAT protocol datas are stored to EtherCAT data storage cells,
EtherCAT bus protocol controllers read the data in EtherCAT data storage cells, by EtherCAT bus transceivers
Transfer data to EtherCAT buses.
Shown in Fig. 2, FPGA protocol conversion fused controllings device 4 and peripheral interface circuit realize EtherCAT agreements and
Rapid translating function between Powerlink agreements, mainly include FPGA controller, code memory, configuration information memory,
Program storage.The winged reading that FPGA controller can carry out high speed 100 m ethernet flies write operation, reduces the protocol conversion time.Journey
Sequence memory is made of non-volatile flash memory (FLASH), permanently stores control routine.Configuration information memory is by non-volatile sudden strain of a muscle
(FLASH) composition is deposited, the bus configuration data of user are permanently stored and applies data.Program storage is visited by synchronous dynamic random
It asks that memory (SDRAM) forms, has capacity big.Fireballing advantage, Memory Allocation when for code operation.Other peripheries
Circuit includes power circuit, the crystal oscillating circuit etc. that FPGA can be made to work normally.
More than, although being illustrated according to Fig. 1, Fig. 2, to embodiments of the present invention, the present invention is not limited to
The above embodiment example may include various without departing from the range of the main contents of the present invention recorded in technical solution
Deformation and application examples.
Claims (4)
1. a kind of EtherCAT high speed Ethernets protocol translation fusion method, it is characterised in that:
Hardware includes, EtherCAT bus transceivers, EtherCAT bus protocols controller, EtherCAT data storage cells,
FPGA protocol conversion fused controllings device, Powerlink data storage cells, Powerlink bus protocols controller,
Powerlink bus transceivers；
The EtherCAT data storage cells and EtherCAT bus protocol controllers are bi-directionally connected；The Powerlink numbers
It is bi-directionally connected according to storage unit and Powerlink bus protocol controllers；The FPGA protocol conversions fused controlling device and
EtherCAT data storage cells are bi-directionally connected；The FPGA protocol conversions fused controlling device and the storage of Powerlink data are single
Member is bi-directionally connected；The EtherCAT protocol controllers are double by EtherCAT bus transceivers and EtherCAT Industrial Ethernet
To connection；The Powerlink protocol controllers are bi-directionally connected by Powerlink bus transceivers and Powerlink buses.
2. a kind of EtherCAT high speed Ethernets protocol translation fusion method according to claim 1, it is characterised in that：
The FPGA protocol conversions fused controlling device extraction EtherCAT data storage cells and Powerlink data storage cells
In data, utilize the characteristics of FPGA high speed processings realize two kinds of agreements mutual conversion.
3. a kind of EtherCAT high speed Ethernets protocol translation fusion method according to claim 2, it is characterised in that：
The FPGA protocol conversions fused controlling device is one of following three kinds of forms：Altera companies at production CycloneII types
Number controller；Xilinx companies at the Spartan-6 models of production controller；Other companies at production FPGA controller.
4. a kind of EtherCAT high speed Ethernets protocol conversion fusion method, which is characterized in that
Include the following steps：
EtherCAT protocol datas are converted into Powerlink protocol datas：It is total that EtherCAT bus transceivers receive EtherCAT
The data transmission of line gives EtherCAT protocol controllers；EtherCAT protocol controllers will be received according to EtherCAT agreements regulation
To EtherCAT data frames be transmitted to EtherCAT data storage cells and stored；FPGA protocol conversion fusion devices are read
EtherCAT data storage cells stored in data, and Powerlink is quickly generated according to relevant logical operation
Then protocol data stores Powerlink protocol datas to Powerlink data storage cells, Powerlink bus protocols
Controller reads the data in Powerlink data storage cells, is transferred data to by Powerlink bus transceivers
Powerlink buses；
Powerlink protocol datas are converted into EtherCAT protocol datas：Powerlink bus transceivers receive Powerlink
The data transmission of bus gives Powerlink protocol controllers；Powerlink protocol controllers are provided according to Powerlink agreements
The Powerlink data frames received are transmitted to Powerlink data storage cells to store；FPGA protocol conversions are merged
Device reads the data during Powerlink data storage cells are stored, and is quickly generated according to relevant logical operation
EtherCAT protocol datas, then by EtherCAT protocol datas storage to EtherCAT data storage cells, EtherCAT is total
Wire protocol controller reads the data in EtherCAT data storage cells, by EtherCAT bus transceivers by data transmission
To EtherCAT buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810194277.0A CN108494652A (en) | 2018-03-09 | 2018-03-09 | A kind of EtherCAT high speed Ethernets protocol conversion fusion method |
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| CN201810194277.0A CN108494652A (en) | 2018-03-09 | 2018-03-09 | A kind of EtherCAT high speed Ethernets protocol conversion fusion method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149242A (en) * | 2019-04-25 | 2019-08-20 | 中国人民解放军战略支援部队信息工程大学 | It is a kind of that the protocol conversion function of SRIO and Ethernet is supported to verify device and method |
| CN110519161A (en) * | 2019-09-29 | 2019-11-29 | 杭州和利时自动化有限公司 | A kind of gateway apparatus and the method for data protocol conversion |
| CN113722120A (en) * | 2021-07-30 | 2021-11-30 | 龙芯中科(太原)技术有限公司 | Integrated circuit and method for realizing program development |
| CN114185819A (en) * | 2020-08-24 | 2022-03-15 | 创耀(苏州)通信科技股份有限公司 | Ethernet protocol conversion method and converter |
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|---|---|---|---|---|
| CN1920712A (en) * | 2005-08-24 | 2007-02-28 | 沈阳中科博微自动化技术有限公司 | Programmable controller system based on foundation fieldbus high-speed Ethernet |
| CN101917321A (en) * | 2010-07-23 | 2010-12-15 | 中国北车股份有限公司大连电力牵引研发中心 | EtherCAT Ethernet gateway and working method thereof |
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2018
- 2018-03-09 CN CN201810194277.0A patent/CN108494652A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1920712A (en) * | 2005-08-24 | 2007-02-28 | 沈阳中科博微自动化技术有限公司 | Programmable controller system based on foundation fieldbus high-speed Ethernet |
| CN101917321A (en) * | 2010-07-23 | 2010-12-15 | 中国北车股份有限公司大连电力牵引研发中心 | EtherCAT Ethernet gateway and working method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149242A (en) * | 2019-04-25 | 2019-08-20 | 中国人民解放军战略支援部队信息工程大学 | It is a kind of that the protocol conversion function of SRIO and Ethernet is supported to verify device and method |
| CN110519161A (en) * | 2019-09-29 | 2019-11-29 | 杭州和利时自动化有限公司 | A kind of gateway apparatus and the method for data protocol conversion |
| CN114185819A (en) * | 2020-08-24 | 2022-03-15 | 创耀(苏州)通信科技股份有限公司 | Ethernet protocol conversion method and converter |
| CN113722120A (en) * | 2021-07-30 | 2021-11-30 | 龙芯中科(太原)技术有限公司 | Integrated circuit and method for realizing program development |
| CN113722120B (en) * | 2021-07-30 | 2024-04-05 | 龙芯中科(太原)技术有限公司 | Integrated circuit and method for realizing program development thereof |
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Application publication date: 20180904 |