The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2011
Filed:
Dec. 08, 2008
Keiichi Teranisi, Numazu, JP;
Naoaki Ikeno, Kusatsu, JP;
Toshiyuki Nakamura, Ritto, JP;
Takehiko Hioka, Ritto, JP;
Yasuki Yoda, Ritto, JP;
Isao Yamashita, Yokohama, JP;
Keiichi Teranisi, Numazu, JP;
Naoaki Ikeno, Kusatsu, JP;
Toshiyuki Nakamura, Ritto, JP;
Takehiko Hioka, Ritto, JP;
Yasuki Yoda, Ritto, JP;
Isao Yamashita, Yokohama, JP;
Omron Corporation, Kyoto, JP;
Abstract
A safety master configured to communicate with a plurality of safety slaves over a safety field network or with a plurality of safety local I/O units connected by a safety back plane bus of the safety master, wherein each of the plurality of safety slaves and safety local I/O units allow connection to safety I/O devices in a plurality of cell equipment, and wherein the safety master receives a status signal indicating a 'safe state' or an 'unsafe state' related to cell equipment from each of the corresponding plurality of safety slaves or safety local I/O units, and controls operation/stop of cell equipment by executing an interlock operation program with the received status signal as an input to output an operation instruction signal.