Synchronizing controllers linked by a communications network

Details Synchronizing controllers linked by a communications network Synchronizing controllers linked by a communications network

2006-12-12

2006-12-12

Patel, Ramesh (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Specific application of control based on elapsed time

C700S003000, C700S014000, C700S020000, C700S248000, C702S079000, C702S089000, C702S176000, C713S375000, C713S400000, C375S140000, C375S145000, C375S149000, C318S705000

Reexamination Certificate

active

07149606

ABSTRACT:
A control system includes controllers that are coupled mutually by a communications network, on which information, transmitted from a master controller to a slave controller, is used to make timing corrections on the slave controller in order to synchronize event timers on the slave controller with that of the master controller. Timing accuracy for the occurrence of the event commanded by each controller is synchronized in narrow range of time, preferably within a few milliseconds depending on the specific application and system.

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patent: 2004/0249571 (2004-12-01), Blesener et al.

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