Patent · US Active

Method for testing the functionality of armatures

US7954391B2 · kind B2 · utility

0Cited by

5References

8Claims

0Family size

Assignee

ABB AG · US

Inventors

Thomas Kleegrewe · Minden, DE
Andreas Stelter · Minden, DE
Martin Dahl · Flensburg, DE
Andreas Wahlmann · Meerbeck, DE
Heiko Kresse · Bad Eilsen, DE

Key dates

Filing date	Jun 24, 2008
Grant date	Jun 7, 2011
Priority date	—
Expiry date	Aug 4, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG01M99/008
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The disclosure relates to a method for testing the functionality of armatures, e.g., of safety armatures, in process control systems which are assigned a test device for implementing partial stroke testing and which are connected to a control device, which brings about actuation, in accordance with regulations, of the safety armature in an emergency. Prior to the start of the implementation of the partial stroke testing, a request signal is transmitted from the test device to the control device which is answered by the control device with an enable signal, the enable signal being issued as a function of the current process sequence at the armature.

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