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Method for changing configuration and industrial plant system

A technology for automation equipment and equipment drivers, applied in general control systems, transmission systems, digital transmission systems, etc., can solve the problems of not providing functional safety connection re-parameterization solutions, and achieve the effect of simple software implementation

Active Publication Date: 2020-01-24
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] European patent EP 2 814 193 B1 entitled "Method and system for detecting errors when data are transmitted from a sender to at least one receiver (Verfahren und System zur Erkennung von Fehlern bei der von Daten von einem Sender zu zumindest einen )", concerning functionally safe communication, however, no solution for conflict-free reparameterization in functionally safe connections is provided in EP 2 814 193 B1

Method used

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  • Method for changing configuration and industrial plant system
  • Method for changing configuration and industrial plant system
  • Method for changing configuration and industrial plant system

Examples

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Embodiment Construction

[0027] according to figure 1, shows the principle method sequence for changing the configuration between the first automation device A and the second automation device B according to the prior art. The first knowledge level K1 , the second knowledge level K2 , the third knowledge level K3 and the fourth knowledge level K4 are shown with dotted lines. It can be seen from the figure that in the first knowledge level K1 the first automation device A knows that it has sent a message and that it wants to reparameterize. In the second knowledge level K2, the second automation device B knows that the first automation device A intends to reparameterize. In the third knowledge level K3, the first automation device A knows that the second automation device B has received the message that the first automation device A wishes to reparameterize. In the fourth knowledge level K4 , the second automation device B knows that the first automation device A knows that the second automation devi...

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Abstract

The invention relates to a method for changing the configuration of communication parameters (KP1) of a communication connection (1,1'), designed for functional safety, between a first automation device (A) and a second automation device (B). In order to be able to change the configuration without conflict during operation, the first automation device (A) sends a request (31) for changing parameters to the second automation device (B), and the second automation device responds to the request, thereby sending a confirmation of readiness (32) to the request (31), and immediately freezing the output process image in the second automation device as the readiness confirmation (32) is sent, and changing the communication parameters for the second automation device (KP2); in addition, the first automation device responds so that immediately after receiving the ready confirmation (32) in the first automation device, communication is stopped and the communication parameters (KP2) for the firstautomation device are changed; herein, the input process image is frozen.

Description

technical field [0001] The invention relates to a method for changing the configuration of the communication parameters of a communication connection designed for functional safety between a first automation device and a second automation device, wherein in order to exchange data from the first automation device to The second automation device and the exchange in the opposite direction, using a safety protocol, wherein the data is used as process output data or process input data for a safety-critical process, and wherein, on the first automation device running the first sending and receiving application, the first A sending and receiving application performs communication together with the first device driver, and runs a second sending and receiving application on the second automation device, and the second sending and receiving application performs communication together with the second device driver, wherein the corresponding sending and receiving application and the corres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418H04L9/32
CPCG05B19/4185H04L9/3247G05B2219/33139G05B19/0421G05B19/052G05B2219/14014G05B2219/24179G05B2219/31103H04L12/462H04L41/0813Y02P90/02G05B19/0428G05B19/4061G05B2219/24192G06F11/1004H04L1/0046H04L1/0061
Inventor 赫伯特·巴特尔大卫·费伦齐沃尔夫冈·施毛斯马克西米利安·沃尔特
Owner SIEMENS AG