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Message transmission module, network communication system and communication implementation method thereof

A message model and message technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of incompatibility with multi-source heterogeneous CNC systems and real-time accuracy of transmitted data, etc.

Active Publication Date: 2021-05-07
WUHAN HUAZHONG NUMERICAL CONTROL +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the defects of the prior art, the object of the present invention is to provide a transmission message module, a network communication system and a communication implementation method thereof, aiming at solving the problem that the existing NC-Link architecture cannot be simultaneously compatible with multi-source heterogeneous numerical control systems and transmission Data real-time accuracy issues

Method used

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  • Message transmission module, network communication system and communication implementation method thereof
  • Message transmission module, network communication system and communication implementation method thereof
  • Message transmission module, network communication system and communication implementation method thereof

Examples

Experimental program
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Effect test

Embodiment

[0091] Figure 5 It is a schematic diagram of the communication implementation method between different terminals, as follows:

[0092] (1) The process of establishing a port connection between terminal device A and terminal device B, terminal device C and terminal device D. The following uses the port connection between terminal device A and terminal device B as an example to illustrate:

[0093] (1.1) According to the requirements of the application program, when the terminal device A first initiates a connection, a port portA is generated and a temporary space is opened;

[0094] (1.2) The terminal source port of the first transmission message on the terminal equipment A side is filled in port portA, and its destination port is the fixed port No. 8888 of the terminal equipment B; the start connection is set to 1, and the control bit is set to 1;

[0095] (1.3) According to the IP address of the corresponding terminal device B, initiate a connection request to the fixed por...

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Abstract

The invention provides a message transmission module, a network communication system and a communication implementation method thereof, and belongs to the technical field of industrial automation, and the network communication system comprises an NC-Link information model, a message transmission module, an IP and a TSN; the NC-Link information model is used for acquiring sending data transmitted by sending terminal equipment; the message transmission module is used for establishing port connection between the sending terminal equipment and the receiving terminal equipment, data channels and consumption queues corresponding to the channels, and transmitting the sending data to the consumption queues; the number of the consumption queues is greater than or equal to 1; the data channel comprises a real-time data channel and a non-real-time data channel; and the message format of the transmission message comprises a terminal source port, a destination port, a data state, a timestamp, a data packet serial number, a data packet confirmation number, start connection, termination connection, response, control and data. The method is compatible with the multi-source heterogeneous numerical control system and the real-time accuracy of data transmission.

Description

technical field [0001] The invention belongs to the technical field of industrial automation, and more specifically relates to a message transmission module, a network communication system and a communication realization method thereof. Background technique [0002] With the continuous improvement of the digitalization of the production process, industrial communication is required to be more and more open, robust, deterministic and flexible. Only a communicative and responsive production line can ensure fast and reliable production of individual products while meeting strict delivery schedules. [0003] Time Sensitive Networking (TSN for short) series standards define a unified technical standard for key services such as real-time priority and clock. Because in the traditional industrial production environment, a large number of industrial applications (such as machine control, process control, etc.) have an urgent need for real-time communication to ensure efficient and s...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/145H04L43/10
Inventor 陈吉红杨建中冯冰艳代超仁王萧晏嫚詹博异
Owner WUHAN HUAZHONG NUMERICAL CONTROL
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