Master station system of controller real-time Ethernet EtherCAT

A controller, Ethernet technology, applied in the Ethernet field, can solve the problems of increased communication cycle, prolonged time of receiving data, and real-time impact of soft protocol stack.

Inactive Publication Date: 2017-03-15
XIDIAN UNIV
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Problems solved by technology

[0004] The object of the present invention is to provide a kind of master station system of controller real-time Ethernet EtherCAT, aims to solve that existing EtherCAT master station adopts its real-time performance of soft protocol stacks of operating systems such as Windows, Android, Linux to be affected, the time of receiving data The problem of prolonging and increasing the communication period

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  • Master station system of controller real-time Ethernet EtherCAT
  • Master station system of controller real-time Ethernet EtherCAT

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037] Such as figure 1 As shown, the controller real-time Ethernet EtherCAT master station system provided by the embodiment of the present invention includes: a controller and a comX protocol board.

[0038] The comX protocol board is integrated on the controller.

[0039] The controller is composed of a real-time control module and a protocol adaptation layer; the real-time control module realizes that the relevant information of the EtherCAT master and slave stations issued by th...

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Abstract

The invention discloses a master station system of a controller real-time Ethernet EtherCAT. An implementation method of the maser station of the controller real-time Ethernet EtherCAT includes the following steps: integrating a comX protocol board card, and realizing driving of comX; realizing configuration of a protocol stack, and ensuring the EtherCAT master station to work normally; realizing initialization of a slave station, and ensuring an EtherCAT bus to work normally; and realizing receiving and sending of period data, and ensuring control of the slave station by the master station. The system includes a controller and a comX protocol board card; and the comX protocol board card is integrated on the controller. According to the master station system provided by the invention, hard real-time response time of the master station is improved from hardware, and the problem in the prior art that real-time performance of a master station is affected due to adoption of soft protocol stacks of operating systems such as Windows, Android and Linux.

Description

technical field [0001] The invention belongs to the technical field of Ethernet, and in particular relates to a controller real-time Ethernet EtherCAT master station system. Background technique [0002] EtherCAT (Ethernet for Control and Automation Technology) is a real-time industrial Ethernet technology proposed by German Beckhoff (BECKHOFF) automation company in 2003. Due to its unique architecture and technical openness, real-time communication, Features such as flexible topological structure are more and more widely used. EtherCAT technology adopts the master-slave medium access control method, the master station controls the slave station to send or receive data, the master station sends data messages, and the slave station devices read the corresponding addressing data when the message passes through its nodes. Similarly, the input data also It is inserted into the message when the message passes, and the message is only delayed by tens of nanoseconds during the who...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/403
CPCH04L12/40013H04L12/40H04L12/40019H04L12/403
Inventor 储佩李鑫
Owner XIDIAN UNIV
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