Distributed processing in a cluster of industrial controls linke

Details Distributed processing in a cluster of industrial controls linke Distributed processing in a cluster of industrial controls linke

1987-04-22

1989-12-19

Lall, Parshotam S.

Boots, shoes, and leggings

3642293, 3642411, 3649621, 364964, 364927, G06F 1314, G06F 1300

Patent

active

048887269

ABSTRACT:
A cluster of control processors are interconnected by a local area network and exchange data to carry out their control functions. Each controller executes a control program containing both conventional instructions and T-instructions which call for an operation on data maintained by another controller in the cluster. All data required to execute T-instructions is stored in a virtual I/O image table and each controller is responsible for keeping its section of this table up-to-date by periodically broadcasting its data on the local area network.

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