SYSTEM AND METHOD OF MULTI-CORE BASED SOFTWARE EXECUTION FOR PROGRAMMABLE LOGIC CONTROLLERS
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United States of America Patent
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Mar 31, 2016
app pub date -
Sep 29, 2014
filing date -
Sep 29, 2014
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Abstract
Real-time programmable logic controller software is executed on a multicore processor system. An organizational block executer is executed on a first core, and system service functions associated with the programmable logic controller software are executed on the second core. The organizational block executer includes I/O scanning and logic solving in a single-threaded execution. Core-switch operations may be cyclically performed to move execution of the organizational block executer from the first core to the second core and back to the first core.
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