EXPANDABLE FIELD CONTROLLER IN A DISTRIBUTED CONTROL SYSTEM - Patent 0862755

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EP 0 862 755 A1

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(43)	Date of publication:
	09.09.1998 Bulletin 1998/37

(21)	Application number: 96940547.0

(22)	Date of filing: 20.11.1996

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International Patent Classification (IPC):

G05B 19/ 042^{( . )}
H01R 9/ 26^{( . )}

G05B 19/ 418^{( . )}

(86)	International application number:
	PCT/US1996/018593

(87)	International publication number:
	WO 1997/019396 (29.05.1997 Gazette 1997/23)

(84)	Designated Contracting States:
	DE FR GB NL

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Priority:

20.11.1995 US 19950560167
04.10.1996 US 19960725741

(71)	Applicants:
	THE FOXBORO COMPANY Foxboro, MA 02035 (US) Piper, Charles Foxboro, MA 02032 (US)

(72)	Inventors:
	LAKE, Harold Sharon, MA 02067 (US) PRENTICE, David, P. Attleboro, MA 02703 (US) GREENUP, John, E. Milton, MA 02186 (US) KOROWITZ, Simon Sharon, MA 02067 (US) PIPER, Charles Foxboro, MA 02032 (US)

(74)	Representative: Tomlinson, Kerry John
	Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)

(54)	EXPANDABLE FIELD CONTROLLER IN A DISTRIBUTED CONTROL SYSTEM