Control method for data transmission in industrial network, device and equipment

An industrial network and data transmission technology, applied in the direction of data exchange through path configuration, multiplexing system selection device, bus network, etc., can solve problems such as difficult to meet IRT services, meet the needs and reduce the forwarding time Delayed effect

Pending Publication Date: 2022-01-04
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After introducing the passive optical network technology in the industrial network, the control distance in the industrial network can be extended

Method used

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  • Control method for data transmission in industrial network, device and equipment
  • Control method for data transmission in industrial network, device and equipment
  • Control method for data transmission in industrial network, device and equipment

Examples

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[0021] The exemplary embodiment will be described in detail herein, and examples are illustrated in the drawings. The following description is related to the drawings, unless otherwise indicated, the same figures in the different drawings represent the same or similar elements. The embodiment described in the exemplary embodiments is not meant to all embodiments consistent with the present application. Instead, they are only examples of apparatus and methods consistent with some aspects of the present application as detailed in the appended claims.

[0022] The block diagram shown in the drawings is merely a functional entity, and it is not necessarily necessary to correspond to physical independent entities. That is, these functional entities can be implemented in software form, or implement these functional entities in one or more hardware modules or integrated circuits, or implement these functions in different networks and / or processor devices and / or microcontroller device...

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Abstract

The invention discloses a control method for data transmission in an industrial network, a device and equipment . The method comprises the following steps: setting a network device in the passive optical network and an industrial device in the industrial network to keep clock synchronization, wherein the network device comprises an optical line terminal and an optical network unit; dividing the uplink time slot period into an IRT channel in the optical line terminal, so as to align the IRT channel with the IRT channel in the data transmission period of the PROFINET bus standard; when the optical network unit receives IRT data sent by the industrial equipment, applying for a time slot for transmitting the IRT data from the optical line terminal so as to obtain a first fixed time slot allocated by the optical line terminal from an IRT channel contained in the uplink time slot period; and forwarding the IRT data from the industrial equipment to the optical line terminal through the first fixed time slot in the optical network unit. According to the embodiment of the invention, the forwarding time delay of the IRT data in the industrial network can be reduced.

Description

technical field [0001] The present application relates to the technical field of industrial Internet, and in particular to a control method, device, device, and computer-readable storage medium for data transmission in an industrial network. Background technique [0002] Passive Optical Network (PON) is an access network using optical fiber, which refers to the optical fiber distribution network between the Optical Line Terminal (OLT) and the Optical Network Unit (ONU). It does not use any electronic equipment with power supply between the optical line terminal and the optical network unit. It has the advantages of high reliability, high bandwidth, and low network construction cost, and has gradually been widely used in various industries. After introducing the passive optical network technology in the industrial network, the control distance in the industrial network can be extended, but the passive optical network equipment will additionally introduce data forwarding delay...

Claims

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Application Information

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IPC IPC(8): H04Q11/00H04J3/06H04L12/40
CPCH04Q11/0062H04J3/0638H04L12/40H04Q2011/0086
Inventor 翁颐蒋铭张德智李浩琳朱峰
Owner CHINA TELECOM CORP LTD
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