Redundant industrial controller storing module and chassis level

Details Redundant industrial controller storing module and chassis level Redundant industrial controller storing module and chassis level

1997-06-18

1999-12-07

Gordon, Paul P.

Boots, shoes, and leggings

364132, 364134, 364186, 364187, 714 2, 714 6, 714 15, G05B 1500

Patent

active

059971665

ABSTRACT:
A redundant controller employs two controller chassis having replaceable functional modules interconnected electrically within the chassis. System back up modules in the chassis coordinate the switching of control from a primary to a secondary chassis according to chassis redundancy state information of the chassis stored in the backup modules and module redundancy state information stored in the modules unique to the modules.

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patent: 5768119 (1998-06-01), Havekost et al.
patent: 5777874 (1998-07-01), Flood et al.

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