Patent · US Active

Method for the access control to an automation unit

US8890652B2 · kind B2 · utility

3Cited by

3References

27Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Rainer Falk · Poing, DE
Florian Kohlmayer · Rödental, DE
Andreas Köpf · Birkenfeld, DE

Key dates

Filing date	Aug 28, 2008
Grant date	Nov 18, 2014
Priority date	—
Expiry date	Feb 28, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG05B2219/24159
WIPO fieldControl
WIPO sectorInstruments

Abstract

In a method for the access control to an automation unit (01), access rights predetermined by the access control are dependant on the operating state of the automation unit (01), wherein at least during an emergency, expanded access rights in relation to normal operation are granted independently of the access rights during normal operation.

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