The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2023
Filed:
May. 22, 2020
Hitachi, Ltd., Tokyo, JP;
Shoji Yunoki, Santa Clara, CA (US);
Hitachi, Ltd., Tokyo, JP;
Abstract
Example implementations described herein involve systems and methods for managing a plurality of programmable logic controllers (PLC), which can involve, for a detection of an update to one or more of a software or a firmware installed on a PLC of the plurality of PLCs being available, determining an impact level of the update to the one or more of the software or the firmware installed on the PLC of the plurality of PLCs; selecting a non-operational time slot for the PLC of the plurality of PLCs based on the impact level, wherein higher impact levels are indicative of requiring a longer non-operational time slot; and scheduling the update to the one or more of the software or the firmware installed on the PLC of the plurality of PLCs during the non-operational time slot.