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Cross-network communication method and communication system

A communication method and cross-network technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of high development cost and long development cycle, so as to avoid high development cost, realize maintenance, save development cost and The effect of the development cycle

Active Publication Date: 2015-07-01
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The embodiment of the present invention provides a cross-network communication method and communication system to solve the technical problems in the prior art that the way of maintaining remote field devices in the industrial control network will cause high development costs and long development cycles

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  • Cross-network communication method and communication system

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Embodiment Construction

[0043] The embodiments of the present invention provide a cross-network communication method and a communication system to solve the technical problems of high development costs and long development cycles that exist in the prior art for maintaining remote field devices in an industrial control network.

[0044] Please refer to figure 1 , figure 1 It is a flowchart of a cross-network communication method provided by an embodiment of the present invention, such as figure 1 As shown, the method includes:

[0045] S1: Establish a conversion transparent transmission channel between a third-party application host, a cross-network host, an industrial control communication gateway, and remote field devices. The third-party application host is located in a non-industrial control network, and the cross-network host communicates with the industrial control communication gateway separately Connected to a third-party application host, remote field devices and industrial control communication ga...

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Abstract

The invention discloses a cross-network communication method and a communication system. Data transmission process between a far-end field device and a third-party application program running on a third-party application mainframe is achieved, only a conversion unvarnished transmission channel is needed to be established between the third-party application program and the far-end field device, unvarnished transmission type transmitted-data packing and unpacking processing is performed according to an unvarnished transmission protocol, matched specific software or a matched acquisition protocol under specific network development condition is not needed, and if the network environment where the far-end field device is located changes, only the unvarnished transmission channel is needed to be established between the far-end field device and the cross-network mainframe. A large amount of time and cost is saved, so that the technical problem that the mode that the far-end field device exists in a maintenance industrial control network in the prior art causes high development cost and long development period is solved, the industrial field device networking process of various special protocols is simplified, and a solution is also provided for remote access of the industrial field device.

Description

Technical field [0001] The present invention relates to the field of electronic technology, in particular to a cross-network communication method and communication system. Background technique [0002] In the industrial control automation industry, the remote field equipment is usually maintained in the processing center within the industrial control network. Take the long-distance oil and gas pipeline as an example. There are many types of remote field equipment, which brings corresponding connection methods, communication protocols, and maintenance software. The types are also different. [0003] At present, field equipment process data usually adopts data acquisition and monitoring control system (abbreviation: SCADA; English: Supervisory Control And Data Acquisition) system, that is, SCADA software for acquisition and processing. However, maintenance information other than the data disclosed by each device through various protocols, such as configuration information, debugging...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/24
Inventor 李国栋郭长滨高锐强杨国锋鹿钦鹤孙超
Owner BC P INC CHINA NAT PETROLEUM CORP
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