Method for electing an active master device from two redundant master devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9170569
APP PUB NO 20130211552A1
SERIAL NO

13768483

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method includes electing an item of active master equipment from two redundant primary and secondary master items of equipment (10, 20), the primary and secondary master items of equipment (10, 20) being directly connected to a fieldbus (1) and linked together by a terminal cable (30) and each having an active operating mode and a standby mode. Each of the primary and secondary master items of equipment (10, 20) also has one and the same state machine (12, 22) for designating one of the primary and secondary master items of equipment (10, 20) as the active master item of equipment, and the terminal cable (30) used for establishing a directional relation of the primary master item of equipment (10, 20) to the secondary master item of equipment (10, 20).

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Patent Owner(s)

  • SCHNEIDER ELECTRIC INDUSTRIES SAS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adragna, Jean Jacques Nice, FR 1 12
Gomez, Gerard Le Broc, FR 6 20

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