Patent · US Active

Devices, systems, and methods regarding a PLC system fault

US7752511B2 · kind B2 · utility

58Cited by

11References

19Claims

0Family size

Assignee

Siemens Industry, Inc. · US

Inventors

Temple L. Fulton · Elizabethton, US
Lothar Trapp · Feucht, DE
Heiner Fuchs · Erlangen, DE

Key dates

Filing date	Aug 8, 2007
Grant date	Jul 6, 2010
Priority date	—
Expiry date	Jul 5, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG05B2219/14038
WIPO fieldControl
WIPO sectorInstruments

Abstract

A method for providing a signal indicative of a set single bit flag, which is set for a scan cycle responsive to a detection of a fault in an Input/Output (I/O) device of a programmable logic controller (PLC) system or an I/O interface of the PLC system. Numerous other aspects are provided.

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