Patent · US Active

Method and communication system for exchanging data between several field devices

US11606444B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

KROHNE Messtechnik GmbH · DE

Inventors

Wolfgang Hottgenroth · Essen, DE
Julia Bublitz · Herten, DE
Rene Keimling · Duisburg, DE

Key dates

Filing date	Dec 31, 2021
Grant date	Mar 14, 2023
Priority date	—
Expiry date	Dec 31, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG05B2219/25428
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for exchanging data between several field devices includes: implementing an exchange of data between a requesting field device and a responding field device using a publish-subscribe principle; subscribing the responding field device to request messages whose message titles include a specification of a field device identifier of the responding field device; subscribing the requesting field device to response messages whose message titles include a request identifier known to the requesting field device; the requesting field device publishing a request message to a data broker, the message title of the request message including the request identifier and the specification; the responding field device receiving the request message, evaluating the request message, and publishing a corresponding response message to the data broker, the message title of the response message including the request identifier; and the requesting field device receiving the response message based on the subscription to the response message.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.