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Double-ring optical network communication method and networking used for industrial control field

A dual-ring optical network, industrial control technology, applied in the direction of ring electromagnetic network, data exchange network, electromagnetic network arrangement, etc., can solve the problems of normal communication of the whole system, communication speed and communication distance limitation, etc., to improve the communication speed and communication. distance, improved reliability, enhanced reliability effect

Inactive Publication Date: 2016-05-18
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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Problems solved by technology

[0003] In the current widely used industrial control system, the ring network networking method adopted by multiple sites has communication reliability problems. If a communication node (master station or slave station) has a communication error, it will cause the entire system to fail to communicate normally;
[0004] At present, communication buses widely used in industrial control systems include CAN field bus, Profibus field bus, etc., and there are limitations in communication rate and communication distance

Method used

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  • Double-ring optical network communication method and networking used for industrial control field
  • Double-ring optical network communication method and networking used for industrial control field

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Embodiment Construction

[0021] The content of the present invention is described in more detail below:

[0022] Networking needs to choose a set of master station equipment and N sets of slave station equipment (N>=1);

[0023] refer to figure 1 Shown: The selected master station equipment and slave station equipment each have two sets of optical fiber receiving and sending interfaces;

[0024] refer to figure 1 Shown: The optical fiber connection is used between the master station equipment and the slave station equipment. If there are two or more sets of slave station equipment, the optical fiber connection is used between the slave station equipment;

[0025] refer to figure 1 As shown: a set of master station equipment and N sets of slave station equipment (N>=1) are connected sequentially with a set of optical fiber transceiver interfaces to form a closed ring network structure;

[0026] refer to figure 1 As shown: a set of master station equipment and N sets of slave station equipment (N>=...

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Abstract

The invention provides a double-ring optical network communication method and networking used for industrial control field, and relates to the industrial control technology field. A main station device and N substation devices (N is greater than or equal to 1) can be adopted to form a double-ring optical network networking way, and a main channel link is used as the default communication link for the communication. When the error of the data transmission of the communication link occurs, the standby communication links can be started for the communication, and the main communication link is not used for the communication. When the main communication link is restored, the main communication link can be started for the communication, and the standby communication link is not used for the communication. The communication rate and the communication distance can be effectively improved, and the reliability of the whole system can be improved.

Description

technical field [0001] The invention relates to the technical field of industrial control, in particular to a double-ring optical network communication method and networking for the industrial control field. Background technique [0002] In the industrial control system, when one site cannot meet the control requirements of the site, networking of multiple sites is required; [0003] In the current widely used industrial control system, the ring network networking method adopted by multiple sites has communication reliability problems. If a communication node (master station or slave station) has a communication error, it will cause the entire system to fail to communicate normally; [0004] At present, the communication buses widely used in industrial control systems include CAN field bus, Profibus field bus, etc., and there are limitations in communication speed and communication distance. Contents of the invention [0005] In order to solve the above technical problems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/275H04L12/24
CPCH04B10/275H04L41/0668
Inventor 陈江李维钊陈乃阔牛玉峰
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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