Method for redundancy of high-speed industrial Ethernet master station

A technology of Ethernet and master station, which is applied in the field of high-speed industrial Ethernet master station redundancy, which can solve the problems of intolerance of service interruption, etc., and achieve the effect of ensuring robustness and stability, fast switching speed and stable performance

Active Publication Date: 2021-07-23
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

Industrial Ethernet is used in a wide variety of applications, including mission-critical applications, which typically cannot tolerate system failures leading to service interruptions

Method used

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  • Method for redundancy of high-speed industrial Ethernet master station
  • Method for redundancy of high-speed industrial Ethernet master station
  • Method for redundancy of high-speed industrial Ethernet master station

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the examples.

[0026] A kind of method that is used for the redundancy of high-speed industrial Ethernet main station of the present invention: has high-speed industrial Ethernet standard main station function; Can monitor industrial Ethernet network communication information, take over network and continue to run; Managing Node) for synchronous cycle data communication; support asynchronous data communication between the active master station and the redundant master station; support the asynchronous configuration of the redundant master station by the active master station; support multiple redundant master stations to start as the active master station according to the priority station; support redundant monitoring master station to be forced to switch to active master station; support hot swap of redundant master station.

[0027] 1. Network monitoring:

[0028] The redundant maste...

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Abstract

The invention relates to a method for redundancy of a high-speed industrial Ethernet master station, which comprises the following steps that: when an active master station (AMN) works, a slave master station (SMN) is used as a slave station of the AMN, and performs synchronous periodic communication with the AMN to monitor a network; and when the AMN is offline, the SMN is converted into the AMN according to the priority of the SMN and takes over the network. On the basis of a high-speed industrial Ethernet standard master station, the master station with a redundancy function is realized. The redundant structure has the characteristics of hot plug, support of a plurality of redundant nodes, high switching speed and stable performance. In the fields of industrial process control, motion control and the like, robustness and stability of network operation are ensured.

Description

technical field [0001] The invention relates to the field of industrial communication, in particular to the field of high-speed industrial Ethernet communication, and relates to a high-speed industrial Ethernet master station redundancy method. Background technique [0002] Real-time communication technology is the latest technology used to solve the real-time data transmission in the field of industrial control and data acquisition on the standard Ethernet medium. With the increasing application of industrial Ethernet, industrial Ethernet is widely used in motion control, machine and equipment control systems. Industrial Ethernet is used in a wide variety of applications, including mission-critical applications, which typically cannot tolerate system failures leading to service interruptions. In such applications, high reliability is crucial, and such a stable system will minimize the loss of production. Multi-master redundancy can ensure that when the network system fail...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04J3/06
CPCH04L41/0668H04L41/0836H04J3/0638
Inventor 刘志峰王建军杨志家谢闯段茂强程贺
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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