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Signal processing method and gateway

A signal processing and gateway technology, applied in the field of communication, can solve problems such as the inability to realize intercommunication between LONWORKS bus interface and RS422 interface

Inactive Publication Date: 2013-04-17
CHINA CNR CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the intercommunication between the LONWORKS bus interface and the RS422 interface cannot be realized in the prior art

Method used

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  • Signal processing method and gateway

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Embodiment Construction

[0031] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] figure 1 It is a schematic flowchart of a signal processing method provided by Embodiment 1 of the present invention. like figure 1 As shown, the method includes:

[0033] Step 101, receiving the LONWORKS bus signal transmitted by the external LONWORKS bus;

[0034] For example, the gateway provided by the embodiment of t...

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Abstract

The embodiment of the invention provides a signal processing method and a gateway. The gateway comprises an LONWORKS bus interface circuit used for connecting an external LONWORKS bus, a transceiver which is used for protocol conversion and signal format conversion and is connected with the LONWORKS bus interface circuit, and an RS422 interface circuit which is used for electrical specification conversion and is connected with the transceiver. The embodiment of the invention adopts a technological means of performing the electrical specification conversion between an RS422 signal and an RS422 physical signal by the RS422 interface circuit and performing the protocol conversion and the signal format conversion between the RS422 signal and an LONWORKS bus signal by the transceiver, thereby realizing the intercommunication between the LONWORKS bus interface for transmitting the LONWORKS bus signal and the RS422 interface for transmitting the RS422 physical signal.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communication, and in particular, to a signal processing method and a gateway. Background technique [0002] LONWORKS control network is one of the more popular field buses at present. It was launched by Echelon Company of the United States and jointly advocated by Motorola and Toshiba Company. It was officially announced in 1992. Its network chip, the Neuron chip, integrates all seven-layer protocols of the International Standard Organization (ISO) / Open System Interconnection (OSI), has communication and control functions, and provides 34 common The input / output (Input / Output, referred to as I / O) control object, the working temperature range is wide (-40 ℃ ~ 85 ℃). [0003] The signal transmission medium of the LONWORKS control network can be twisted pair, power line, wireless, infrared, optical cable, and supports bus, ring, free topology and other network topologies. The netw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/66
Inventor 王忠福王延超连承华
Owner CHINA CNR CORPORATION
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