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Universal protocol adapting method and device

A technology of general protocol and adaptation device, applied in the field of electrical communication, can solve the problems of inconvenient bus expansion and gateway function expansion, insufficient real-time communication between nodes, and no unified model for implementation and software design, and achieves good real-time performance. , the effect of convenient protocol conversion

Active Publication Date: 2012-05-30
CHINA TELECOM CORP LTD
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Problems solved by technology

[0004] These two methods have their own advantages and disadvantages. OPC technology is too dependent on Microsoft's operating system, and the real-time communication between nodes is not enough; while embedded gateways are usually one-to-one protocol conversion, and there is no uniformity in implementation and software design. The model is not convenient for bus expansion and gateway function expansion, and has certain limitations in application

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  • Universal protocol adapting method and device

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Embodiment Construction

[0025] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0026] Such as figure 1 As shown in , it is a schematic diagram of applicable scenarios of the embodiment of the general protocol adaptation device of the present invention. In the applicable scenario of this embodiment, the management body communication module 1 is responsible for receiving command messages from upper-layer management and application servers, or sending standard messages encapsulated by messages to the management and application servers. This module is mainly responsible for the communication function, completes the identification of the target message type, and realizes the buffering of the message queue received and to be sent.

[0027] The universal protocol adaptation device 2 is responsible for the protocol conversion function. The message from the management body communication module 1 is conv...

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Abstract

The invention relates to a universal protocol adapting method comprising the following steps of: receiving an input message and judging the protocol type of the message; finding a protocol rule base according to the protocol type, analyzing the message and storing the content obtained through the analysis into a message parameter library; finding the protocol rule base according to a message record in the message parameter library, packaging a message frame, and sending the packaged target protocol message frame to a target address. The invention also relates to a universal protocol adapting device. According to the invention, a universal message structure is summarized from various field bus protocols, and a unified control and management interface is provided for various heterogeneous terminals and control networks, so that protocol conversion can be carried out between any two field bus protocols capable of being expressed through the universal message structure without depending on a concrete system platform, is more convenient and is better in real-time property.

Description

technical field [0001] The invention relates to electric communication technology, in particular to a communication protocol adaptation method and device. Background technique [0002] At present, there has been no unified standard in the field bus field for a long time, and the interconnection and interoperability between systems are very poor, which makes it difficult to guarantee the unified management of different systems. [0003] In order to realize communication between different systems, there are two main technologies for the conversion of existing fieldbus protocols, namely, using OPC (OLE for Process Control, OLE for process control) technology to realize process control level conversion and using embedded The gateway realizes one-to-one protocol conversion of the bus. [0004] These two methods have their own advantages and disadvantages. OPC technology is too dependent on Microsoft's operating system, and the real-time communication between nodes is not enough;...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 何琪王琦李伟李文杰冯明杨明川
Owner CHINA TELECOM CORP LTD
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