(19)

(11)

EP 2 030 112 A2

(12)

(88) Date of publication A3: 14.02.2008 (43) Date of publication: 04.03.2009 Bulletin 2009/10 (21) Application number: 07795841.1 (22) Date of filing: 06.06.2007

(51) International Patent Classification (IPC):  G06F 9/46(2006.01) (86) International application number: PCT/US2007/013401 (87) International publication number: WO 2007/146054 (21.12.2007 Gazette 2007/51)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 06.06.2006 US 811284 P (71) Applicant: Siemens Energy & Automation, Inc. Alpharetta, GA 30005-4437 (US)	(72) Inventors: DEININGER, Thomas A. Ambler, Pennsylvania 19002 (US) HORN, Michael S. Bath, Pennsylvania 18014 (US) MAUTZ, John J. Clifton Heights, Pennsylvania 19018 (US) HOGAN, Michael Schwenksville, Pennsylvania 19473 (US) (74) Representative: Clarke, Alison Clare  Haseltine Lake Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)