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Data relay apparatus for communication module

A communication module and data relay technology, applied in the direction of data exchange through path configuration, data exchange details, amplifier/relay circuit, etc., can solve the problem that the communication module cannot perform data communication, etc.

Inactive Publication Date: 2010-07-07
LSIS CO LTD
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] When the Ethernet is used as the communication module and the linear topology is used to form the network, it is different from the existing field bus communication module. When a certain communication module in the middle position is not working, the non-working communication module will not process the received data. Relay, so that the normal working communication module can not carry out data communication

Method used

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  • Data relay apparatus for communication module

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Embodiment Construction

[0030] The accompanying drawings of the embodiments of the present invention will be described in detail below in order to more simply and clearly illustrate the principles and concepts of the present invention.

[0031] Moreover, only simple structural diagrams are provided to facilitate a basic understanding of the present invention, so that those skilled in the art can understand and implement various embodiments of the present invention.

[0032] figure 1 It is a schematic diagram of a network formed by connecting general fieldbus communication methods in a linear topology (daisy chain: Daisychain). Wherein, symbols 100-1, 100-2, .

[0033] The input and output ports 102 of the plurality of communication modules 100-1, 100-2, .

[0034] the above figure 1 In the network of multiple communication modules 100-1, 100-2, ..., 100-n, even if more than one communication module fails to work because of no power supply or failure, the normal working communication modules can al...

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Abstract

A data relay apparatus for communication module is disclosed. In a network configured by connecting a plurality of communication modules with two input / output ports using a line topology, each communication module is respectively composed of a data relay unit working using the battery charing voltage. When an inoperative communication module is not present, the data relay unit relays the data received by the first, second input / output ports of the inoperative communication module, therefore nomal data communication is performed among the normally operative communication modules.

Description

technical field [0001] The invention relates to a data relay device of a communication module. In particular, it relates to a network in which a plurality of communication modules with two input and output Ethernet communication ports are connected in a linear topology (line topology) mode. If there is a non-working communication module among the plurality of communication modules, the relay The unit relays the data sent to the input and output ports of the communication modules that are not working, so that the input and output ports of the communication modules that can normally perform data communication between multiple communication modules that work normally are relayed. Background technique [0002] In the FA (Factory Automation: factory automation) system, the input and output devices are usually driven by direct connection. [0003] Recently, due to the development of communication technology, ease of installation, and cost reduction, multiple devices are connected...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L12/02
CPCG05B2219/15073G05B19/0425G05B2219/21039G05B2219/33226G05B2219/21016H04L25/20
Inventor 李寿康权大贤
Owner LSIS CO LTD
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