Patent · US Active

Transmission of telegrams by a network distributor in an automation network

US12047199B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

Beckhoff Automation GmbH · DE

Inventors

Holger Büttner · Verl, DE
Dirk Janssen · Verl, DE
Erik Vonnahme · Salzkotten, DE
Thomas Rettig · Rheda-Wiedenbrück, DE
Hans Beckhoff · Verl, DE
Thorsten Bunte · Gütersloh, DE
Johannes Beckhoff · Schloß Holte-Stukenbrock, DE

Key dates

Filing date	Oct 21, 2021
Grant date	Jul 23, 2024
Priority date	—
Expiry date	Nov 2, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2012/4026
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A network distributor has a plurality of input-output ports, a processor unit, and a memory unit. The ports connect network subscribers via a data line network, where the network subscribers include protocol subscribers to process telegrams as protocol telegrams. The processor unit receives telegrams via one port and outputs telegrams via another port, which is stored in a routing table in the memory unit. The processor unit further determines whether a telegram is a protocol telegram received via a port for which no port identifier is stored in the memory unit, and to discard the telegram if so. Checking and discarding of telegrams can be subject to a precondition, where fulfillment of the precondition leads to an exception from discarding the telegram.

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