{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8504176","patent":{"patent_number":"US-8504176","title":"CPU unit of PLC, system program for PLC, and recording medium storing system program for PLC","assignee":null,"inventors":[],"filing_date":"2012-02-17T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["G05B"],"num_claims":12,"abstract":"A system includes a first execution control instruction to start execution of a first control program every first execution cycle of the same period as a control cycle period and a second execution control instruction to start execution of a second control program every second execution cycle whose period is an integral multiple of at least twice the control cycle period. The second execution control instruction includes an instruction to start, in a control cycle in which a second execution cycle starts, execution of the second control program after the end of execution of the first control program, and if the second control program is not completed before the end of the control cycle, to start execution of an unexecuted part of the second control program after the end of execution of the first control program in the next control cycle."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"CPU unit of PLC, system program for PLC, and recording medium storing system program for PLC","description":"A system includes a first execution control instruction to start execution of a first control program every first execution cycle of the same period as a control cycle period and a second execution co","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8504176","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8504176","citation_suggestion":"Patentable. \"CPU unit of PLC, system program for PLC, and recording medium storing system program for PLC\" (US-8504176). https://patentable.app/patents/US-8504176","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8504176","json":"https://patentable.app/api/llm-context/US-8504176","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:36:25.113Z"}