Configurable industrial Ethernet data parsing system and parsing method
A data analysis and Ethernet technology, applied in configurable industrial Ethernet data analysis system and analysis field, can solve problems such as poor scalability, inability to intuitively analyze data information, analytic network protocol limited hardware internal program, etc. , to achieve the effect of good versatility, good configurability and low cost
Active Publication Date: 2015-07-08
SHANDONG UNIV
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Problems solved by technology
[0003] At present, the network data analysis software based on Windows or Linux system is rich in functions, and can analyze various Ethernet data information, but cannot intuitively analyze the data information of each node in the network; due to the limitations of the hardware platform and operating system, the captured data packets cannot The maximum accuracy of the time stamp can only reach 10μs, which cannot meet the timeliness requirements of industrial Ethernet
The PC-based commercial industrial Ethernet data monitoring analyzer mainly uses the communication mode of PCI interface to connect with the host computer. The hardware plug-in and unplugging is not convenient enough, and it needs to be used with a specific driver program, and the analytic network protocol is limited by the internal program of the hardware. Not very scalable
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[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0047] The following describes in detail how the present invention analyzes real-time Ethernet data in conjunction with a specific example of industrial Ethernet. In this example, POWERLINK industrial Ethernet is taken as an example to illustrate online analysis and offline analysis.
[0048] Preparation:
[0049] The first step is to prepare the device description files of each node in the POWERLINK network. According to the hardware of each node in the network, independently write or use the specific industrial Ethernet application layer device description files of each node provided by a third party. B&R, the development company of POWERLINK, provides the device description file writing specification. The file writing format conforms to the XML file format, and the extension is XML.
[0050] The second step is to import the device description file...
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The invention discloses a configurable industrial Ethernet data parsing system which is capable of performing data monitoring and data parsing for multiple points in the industrial Ethernet and can reach the ns level in timestamp accuracy of data package capture. The system comprises a network data monitor and a PC (personal computer), the network data monitor is self-developed by the aid of an EPGA (embedded programmable gate array), the network data monitor and the PC are in data communication by the aid of network ports, and an upper computer does not need to develop a drive and a professional hardware support. The network data monitor is capable of capturing data packages of the multiple points in a network and uploads data to a network card of the PC upper computer. The system further comprises a network model generation device, a data package parser and a data mapper. The invention further provides a parsing method of the configurable industrial Ethernet data parsing system. The system and the method are convenient and reliable for hardware connection and low in cost, and a user can quickly set up a network test model according to the structure of a bus under test. Besides, the system and the method have wide use value and application prospect in the industrial Ethernet technical field.
Description
technical field [0001] The invention relates to a configurable industrial Ethernet data analysis system and analysis method, which are mainly used in the technical field of industrial Ethernet testing, and specifically refer to the development of network data listeners by using Field-Programmable Gate Array (FPGA) Capture industrial Ethernet data in real time and add information such as identification, time stamp, port number, serial number, etc., and then transmit the data to the PC host computer through the Ethernet interface. The host computer is based on the network model generated by the application layer device description file of each node Analyze the Ethernet data and analyze the various performances of the Ethernet under test with the effective information added by the listener. Background technique [0002] Industrial Ethernet is the application of Ethernet technology in the industrial field. Due to its advantages in performance and cost, it has gradually replaced ...
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IPC IPC(8): H04L12/26
Inventor 张承瑞孙好春靳东胡天亮
Owner SHANDONG UNIV