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Acyclic data transfer through a field bus coupler

A field bus and coupler technology, applied in the field of computer program products, can solve the problems of large investment and trouble, and achieve the effect of avoiding failure and low cost

Inactive Publication Date: 2010-06-23
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The user is thus forced to solve the problem himself, however this is laborious
This is very costly since the user has to program the communication process

Method used

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  • Acyclic data transfer through a field bus coupler
  • Acyclic data transfer through a field bus coupler
  • Acyclic data transfer through a field bus coupler

Examples

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Embodiment Construction

[0029] figure 1 A system 1 is shown which consists of two subnetworks which are coupled to each other via a fieldbus coupler 4 according to an exemplary embodiment of the invention. The fieldbus coupler 4 shown is a PROFINET(PN) / PROFINET(PN) coupler (Koppler) with which a pairing of devices between two PROFINET networks can be realized quickly and easily. Important, definite data coupling. figure 1 The PN / PN coupler shown is therefore a device with two PROFINET interfaces and each with an output module 5 and an input module 6 , the interfaces being connected to the corresponding subnet.

[0030] As indicated in the figure by the line 7 in the middle of the fieldbus coupler 4 , the fieldbus coupler ensures a reliable separation of the mutually coupled subnetworks. This is also achieved by forming two IO devices from a PN / PN coupler in the configuration. The respective additional part of the PN / PN coupler is referred to as a coupling partner. Brings the two IO-devices togeth...

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Abstract

The invention relates to a field bus coupler (4), a system (1) having at least one field bus coupler (4), an acyclic data transmission method through a field bus coupler (4) and a computer program product. The invention especially relates to a field bus coupler (4) which is disposed for realizing acyclic data transmission. The field bus coupler (4) has a first and a second network terminal (10, 11); each network terminal has at least one interface for connecting field buses (2, 3). at least one output module (5) is disposed on the first network terminal (10) for receiving the output data set of the first field bus (2); the data set is mapped from the first network terminal to the second network terminal and is stored in a memory (8) meanwhile; and the mapped data set can be provided to a second field bus (3) as a input data set on the second network terminal (11) by a module (6).

Description

technical field [0001] The invention relates to: a fieldbus coupler; a system having at least one fieldbus coupler; a transmission method for transmitting acyclic data via a fieldbus coupler; and a computer program product. In particular, the invention relates to a field bus coupler, which is designed to enable acyclic data transmission. Background technique [0002] In the field of automation, all current fieldbus couplers (Feldbuskoppler) couple two electrically and logically separated fieldbuses to one another. Such field bus couplers are embodied in various examples. For example, the field bus coupler manufactured by Siemens AG can realize the coupling of the following field buses: PROFIBUS DP-PROFIBUS PA, PROFIBUS DP-PROFIBUS DP, PROFINET IO-PROFINET IO. The fieldbus coupler can therefore also be used to couple control systems of different manufacturers, if these control systems support the corresponding fieldbus. [0003] Conventional couplers have two galvanically ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40
CPCH04L12/4625H04L2012/40221
Inventor 格奥尔格·比勒尔哈根·伯默尔斯特凡·道森德西格弗里德·普里勒
Owner SIEMENS AG