Method for operating communication network, communication network, controller, and data processing device

A technology of communication network and datagram, which is applied in the direction of data exchange through path configuration, data exchange network, bus network, etc., and can solve the problems of not being able to output data fields and not being able to output headers, etc.

Active Publication Date: 2018-08-31
BECKHOFF AUTOMATION GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the participant cannot output the data field until the participant has defined the aforementioned input data and written it into the data field
Since the definition of said input data takes a certain amount of time (response time mentioned above), the participant cannot output said header at any random early

Method used

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  • Method for operating communication network, communication network, controller, and data processing device
  • Method for operating communication network, communication network, controller, and data processing device
  • Method for operating communication network, communication network, controller, and data processing device

Examples

Experimental program
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Embodiment Construction

[0048] figure 1 The example of a communication network 10 outlined in includes a plurality of participants 12 that communicate with each other via a data path 11 using a communication technology. In operation, messages are transmitted along said data path 11 . As an example, assume that a first participant 14 (eg a master participant) transmits a message, which then passes along said data path 11 through other participants 12 and is processed by said participant. At least one segment of the data path 11 passes through each of the plurality of participants 12 .

[0049] A segment length (e.g. measured in data units) and a corresponding transfer time (e.g. measurable in clock cycles) may be assigned to each segment of the data path 11 from the plurality of An input of one of the participants 12 extends to a corresponding output of the same participant. The length of a given segment and the transfer time allocated to it are related to each other as follows: transfer time = seg...

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PUM

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Abstract

In a communication network, a first participant (14) transmits a clocked data sequence to a second participant (16). The data sequence includes a writing datagram with a header (420), an intermediatefield (430) which follows the header, and a data field (440) which follows the intermediate field. The second participant reads the header, determines input data on the basis of the content of the header, and writes the input data into the data field (440) while the data sequence is ran through the second participant. The length of the intermediate field (430) is adapted to the clock frequency ofthe data sequence and to the reaction time of the second participant.

Description

technical field [0001] The invention relates to a method for operating a communication network, a communication network, a controller as a first participant, and a data processing device as a second participant. [0002] This patent application claims priority from German patent application DE 10 2015 120 242.5, the disclosure content of which is incorporated herein by back reference. Background technique [0003] A communication network includes a plurality (ie at least two) of participants communicating with each other via suitable communication channels. Communication channels can be designed as wireless and wired channels. Information can be transmitted from one participant to another in a communication network in the form of discrete data packets (messages). [0004] A transport network is a network in which data paths through participants are defined, through which participants can receive and forward messages. Messages transmitted by the controller as the first par...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/40
CPCH04L69/26H04L12/40013H04L2012/4026H04L69/22H04L69/28
Inventor 托斯顿·班提豪格·伯特纳德克·詹森汤玛斯·雷帝格汉斯·贝克霍夫艾利克·冯纳美
Owner BECKHOFF AUTOMATION GMBH
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